升级bootstrap-fileinput到最新版本5.5.4

ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-fileinput/fileinput.css

@@ -1,5 +1,5 @@
 /*!
- * bootstrap-fileinput v5.5.2
+ * bootstrap-fileinput v5.5.4
  * http://plugins.krajee.com/file-input
  *
  * Krajee default styling for bootstrap-fileinput.

ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-fileinput/fileinput.js

@@ -1,6683 +1,7646 @@
 /*!
- * bootstrap-fileinput v5.5.2
+ * bootstrap-fileinput v5.5.4
  * http://plugins.krajee.com/file-input
  *
  * Author: Kartik Visweswaran
- * Copyright: 2014 - 2022, Kartik Visweswaran, Krajee.com
+ * Copyright: 2014 - 2024, Kartik Visweswaran, Krajee.com
  *
  * Licensed under the BSD-3-Clause
  * https://github.com/kartik-v/bootstrap-fileinput/blob/master/LICENSE.md
  */
 (function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        define(['jquery'], factory);
-    } else if (typeof module === 'object' && typeof module.exports === 'object') {
-        factory(require('jquery'));
-    } else {
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    $.fn.fileinputLocales = {};
-    $.fn.fileinputThemes = {};
+  "use strict";
+  if (typeof define === "function" && define.amd) {
+    define(["jquery"], factory);
+  } else if (typeof module === "object" && typeof module.exports === "object") {
+    factory(require("jquery"));
+  } else {
+    factory(window.jQuery);
+  }
+})(function ($) {
+  "use strict";
 
-    if (!$.fn.fileinputBsVersion) {
-        $.fn.fileinputBsVersion = (window.bootstrap && window.bootstrap.Alert && window.bootstrap.Alert.VERSION) ||
-            (window.Alert && window.Alert.VERSION) || '3.x.x';
-    }
+  $.fn.fileinputLocales = {};
+  $.fn.fileinputThemes = {};
 
-    String.prototype.setTokens = function (replacePairs) {
-        var str = this.toString(), key, re;
-        for (key in replacePairs) {
-            if (replacePairs.hasOwnProperty(key)) {
-                re = new RegExp('\{' + key + '\}', 'g');
-                str = str.replace(re, replacePairs[key]);
-            }
-        }
-        return str;
-    };
+  if (!$.fn.fileinputBsVersion) {
+    $.fn.fileinputBsVersion =
+      (window.bootstrap && window.bootstrap.Alert && window.bootstrap.Alert.VERSION) ||
+      (window.Alert && window.Alert.VERSION) ||
+      "3.x.x";
+  }
 
-    if (!Array.prototype.flatMap) { // polyfill flatMap
-        Array.prototype.flatMap = function (lambda) {
-            return [].concat(this.map(lambda));
-        };
+  String.prototype.setTokens = function (replacePairs) {
+    var str = this.toString(),
+      key,
+      re;
+    for (key in replacePairs) {
+      if (replacePairs.hasOwnProperty(key)) {
+        re = new RegExp("{" + key + "}", "g");
+        str = str.replace(re, replacePairs[key]);
+      }
     }
+    return str;
+  };
 
-    var $h, FileInput;
-
-    // fileinput helper object for all global variables and internal helper methods
-    $h = {
-        FRAMES: '.kv-preview-thumb',
-        SORT_CSS: 'file-sortable',
-        INIT_FLAG: 'init-',
-        SCRIPT_SRC: document && document.currentScript && document.currentScript.src || null,
-        OBJECT_PARAMS: '<param name="controller" value="true" />\n' +
-            '<param name="allowFullScreen" value="true" />\n' +
-            '<param name="allowScriptAccess" value="always" />\n' +
-            '<param name="autoPlay" value="false" />\n' +
-            '<param name="autoStart" value="false" />\n' +
-            '<param name="quality" value="high" />\n',
-        DEFAULT_PREVIEW: '<div class="file-preview-other">\n' +
-            '<span class="{previewFileIconClass}">{previewFileIcon}</span>\n' +
-            '</div>',
-        MODAL_ID: 'kvFileinputModal',
-        MODAL_EVENTS: ['show', 'shown', 'hide', 'hidden', 'loaded'],
-        logMessages: {
-            ajaxError: '{status}: {error}. Error Details: {text}.',
-            badDroppedFiles: 'Error scanning dropped files!',
-            badExifParser: 'Error loading the piexif.js library. {details}',
-            badInputType: 'The input "type" must be set to "file" for initializing the "bootstrap-fileinput" plugin.',
-            exifWarning: 'To avoid this warning, either set "autoOrientImage" to "false" OR ensure you have loaded ' +
-                'the "piexif.js" library correctly on your page before the "fileinput.js" script.',
-            invalidChunkSize: 'Invalid upload chunk size: "{chunkSize}". Resumable uploads are disabled.',
-            invalidThumb: 'Invalid thumb frame with id: "{id}".',
-            noResumableSupport: 'The browser does not support resumable or chunk uploads.',
-            noUploadUrl: 'The "uploadUrl" is not set. Ajax uploads and resumable uploads have been disabled.',
-            retryStatus: 'Retrying upload for chunk # {chunk} for {filename}... retry # {retry}.',
-            chunkQueueError: 'Could not push task to ajax pool for chunk index # {index}.',
-            resumableMaxRetriesReached: 'Maximum resumable ajax retries ({n}) reached.',
-            resumableRetryError: 'Could not retry the resumable request (try # {n})... aborting.',
-            resumableAborting: 'Aborting / cancelling the resumable request.',
-            resumableRequestError: 'Error processing resumable request. {msg}'
-
-        },
-        objUrl: window.URL || window.webkitURL,
-        getZoomPlaceholder: function () { // used to prevent 404 errors in URL parsing
-            var src = $h.SCRIPT_SRC, srcPath, zoomVar = '?kvTemp__2873389129__=';
-            if (!src) {
-                return zoomVar;
-            }
-            srcPath = src.substring(0, src.lastIndexOf("/"));
-            return srcPath.substring(0, srcPath.lastIndexOf("/") + 1) + 'img/loading.gif' + zoomVar;
-        },
-        isBs: function (ver) {
-            var chk = $.trim(($.fn.fileinputBsVersion || '') + '');
-            ver = parseInt(ver, 10);
-            if (!chk) {
-                return ver === 4;
-            }
-            return ver === parseInt(chk.charAt(0), 10);
+  if (!Array.prototype.flatMap) {
+    // polyfill flatMap
+    Array.prototype.flatMap = function (lambda) {
+      return [].concat(this.map(lambda));
+    };
+  }
 
-        },
-        defaultButtonCss: function (fill) {
-            return 'btn-default btn-' + (fill ? '' : 'outline-') + 'secondary';
-        },
-        now: function () {
-            return new Date().getTime();
-        },
-        round: function (num) {
-            num = parseFloat(num);
-            return isNaN(num) ? 0 : Math.floor(Math.round(num));
-        },
-        getArray: function (obj) {
-            var i, arr = [], len = obj && obj.length || 0;
-            for (i = 0; i < len; i++) {
-                arr.push(obj[i]);
-            }
-            return arr;
-        },
-        getFileRelativePath: function (file) {
-            /** @namespace file.relativePath */
-            /** @namespace file.webkitRelativePath */
-            return String(file.newPath || file.relativePath || file.webkitRelativePath || $h.getFileName(file) || null);
+  var $h, FileInput;
 
-        },
-        getFileId: function (file, generateFileId) {
-            var relativePath = $h.getFileRelativePath(file);
-            if (typeof generateFileId === 'function') {
-                return generateFileId(file);
-            }
-            if (!file) {
-                return null;
-            }
-            if (!relativePath) {
-                return null;
-            }
-            return (file.size + '_' + encodeURIComponent(relativePath).replace(/%/g, '_'));
-        },
-        getFrameSelector: function (id, selector) {
-            selector = selector || '';
-            return '[id="' + id + '"]' + selector;
-        },
-        getZoomSelector: function (id, selector) {
-            return $h.getFrameSelector('zoom-' + id, selector);
-        },
-        getFrameElement: function ($element, id, selector) {
-            return $element.find($h.getFrameSelector(id, selector));
-        },
-        getZoomElement: function ($element, id, selector) {
-            return $element.find($h.getZoomSelector(id, selector));
-        },
-        getElapsed: function (seconds) {
-            var delta = seconds, out = '', result = {}, structure = {
-                year: 31536000,
-                month: 2592000,
-                week: 604800, // uncomment row to ignore
-                day: 86400,   // feel free to add your own row
-                hour: 3600,
-                minute: 60,
-                second: 1
-            };
-            $h.getObjectKeys(structure).forEach(function (key) {
-                result[key] = Math.floor(delta / structure[key]);
-                delta -= result[key] * structure[key];
-            });
-            $.each(result, function (key, value) {
-                if (value > 0) {
-                    out += (out ? ' ' : '') + value + key.substring(0, 1);
-                }
+  // fileinput helper object for all global variables and internal helper methods
+  $h = {
+    FRAMES: ".kv-preview-thumb",
+    SORT_CSS: "file-sortable",
+    INIT_FLAG: "init-",
+    SCRIPT_SRC: (document && document.currentScript && document.currentScript.src) || null,
+    OBJECT_PARAMS:
+      '<param name="controller" value="true" />\n' +
+      '<param name="allowFullScreen" value="true" />\n' +
+      '<param name="allowScriptAccess" value="always" />\n' +
+      '<param name="autoPlay" value="false" />\n' +
+      '<param name="autoStart" value="false" />\n' +
+      '<param name="quality" value="high" />\n',
+    DEFAULT_PREVIEW:
+      '<div class="file-preview-other">\n' +
+      '<span class="{previewFileIconClass}">{previewFileIcon}</span>\n' +
+      "</div>",
+    MODAL_ID: "kvFileinputModal",
+    MODAL_EVENTS: ["show", "shown", "hide", "hidden", "loaded"],
+    logMessages: {
+      ajaxError: "{status}: {error}. Error Details: {text}.",
+      badDroppedFiles: "Error scanning dropped files!",
+      badExifParser: "Error loading the piexif.js library. {details}",
+      badInputType: 'The input "type" must be set to "file" for initializing the "bootstrap-fileinput" plugin.',
+      exifWarning:
+        'To avoid this warning, either set "autoOrientImage" to "false" OR ensure you have loaded ' +
+        'the "piexif.js" library correctly on your page before the "fileinput.js" script.',
+      invalidChunkSize: 'Invalid upload chunk size: "{chunkSize}". Resumable uploads are disabled.',
+      invalidThumb: 'Invalid thumb frame with id: "{id}".',
+      noResumableSupport: "The browser does not support resumable or chunk uploads.",
+      noUploadUrl: 'The "uploadUrl" is not set. Ajax uploads and resumable uploads have been disabled.',
+      retryStatus: "Retrying upload for chunk # {chunk} for {filename}... retry # {retry}.",
+      chunkQueueError: "Could not push task to ajax pool for chunk index # {index}.",
+      resumableMaxRetriesReached: "Maximum resumable ajax retries ({n}) reached.",
+      resumableRetryError: "Could not retry the resumable request (try # {n})... aborting.",
+      resumableAborting: "Aborting / cancelling the resumable request.",
+      resumableRequestError: "Error processing resumable request. {msg}",
+    },
+    objUrl: window.URL || window.webkitURL,
+    getZoomPlaceholder: function () {
+      // used to prevent 404 errors in URL parsing
+      var src = $h.SCRIPT_SRC,
+        srcPath,
+        zoomVar = "?kvTemp__2873389129__=";
+      if (!src) {
+        return zoomVar;
+      }
+      srcPath = src.substring(0, src.lastIndexOf("/"));
+      return srcPath.substring(0, srcPath.lastIndexOf("/") + 1) + "img/loading.gif" + zoomVar;
+    },
+    defaultButtonCss: function (fill) {
+      return "btn-default btn-" + (fill ? "" : "outline-") + "secondary";
+    },
+    isBs: function (ver) {
+      var chk = $h.trim(($.fn.fileinputBsVersion || "") + "");
+      ver = parseInt(ver, 10);
+      if (!chk) {
+        return ver === 4;
+      }
+      return ver === parseInt(chk.charAt(0), 10);
+    },
+    isNumeric: function (n) {
+      if (n === undefined) {
+        return false;
+      }
+      return !isNaN(parseFloat(n)) && isFinite(n);
+    },
+    trim: function (val) {
+      if (val === undefined) {
+        return "";
+      }
+      return val.toString().trim();
+    },
+    now: function () {
+      return new Date().getTime();
+    },
+    round: function (num) {
+      num = parseFloat(num);
+      return isNaN(num) ? 0 : Math.floor(Math.round(num));
+    },
+    getArray: function (obj) {
+      var i,
+        arr = [],
+        len = (obj && obj.length) || 0;
+      for (i = 0; i < len; i++) {
+        arr.push(obj[i]);
+      }
+      return arr;
+    },
+    getFileRelativePath: function (file) {
+      /** @namespace file.relativePath */
+      /** @namespace file.webkitRelativePath */
+      return String(file.newPath || file.relativePath || file.webkitRelativePath || $h.getFileName(file) || null);
+    },
+    getFileId: function (file, generateFileId) {
+      var relativePath = $h.getFileRelativePath(file);
+      if (typeof generateFileId === "function") {
+        return generateFileId(file);
+      }
+      if (!file) {
+        return null;
+      }
+      if (!relativePath) {
+        return null;
+      }
+      return file.size + "_" + encodeURIComponent(relativePath).replace(/%/g, "_");
+    },
+    getFrameSelector: function (id, selector) {
+      selector = selector || "";
+      return '[id="' + id + '"]' + selector;
+    },
+    getZoomSelector: function (id, selector) {
+      return $h.getFrameSelector("zoom-" + id, selector);
+    },
+    getFrameElement: function ($element, id, selector) {
+      return $element.find($h.getFrameSelector(id, selector));
+    },
+    getZoomElement: function ($element, id, selector) {
+      return $element.find($h.getZoomSelector(id, selector));
+    },
+    getElapsed: function (seconds) {
+      var delta = seconds,
+        out = "",
+        result = {},
+        structure = {
+          year: 31536000,
+          month: 2592000,
+          week: 604800, // uncomment row to ignore
+          day: 86400, // feel free to add your own row
+          hour: 3600,
+          minute: 60,
+          second: 1,
+        };
+      $h.getObjectKeys(structure).forEach(function (key) {
+        result[key] = Math.floor(delta / structure[key]);
+        delta -= result[key] * structure[key];
+      });
+      $.each(result, function (key, value) {
+        if (value > 0) {
+          out += (out ? " " : "") + value + key.substring(0, 1);
+        }
+      });
+      return out;
+    },
+    debounce: function (func, delay) {
+      var inDebounce;
+      return function () {
+        var args = arguments,
+          context = this;
+        clearTimeout(inDebounce);
+        inDebounce = setTimeout(function () {
+          func.apply(context, args);
+        }, delay);
+      };
+    },
+    stopEvent: function (e) {
+      e.stopPropagation();
+      e.preventDefault();
+    },
+    getFileName: function (file) {
+      /** @namespace file.fileName */
+      return file ? file.fileName || file.name || "" : ""; // some confusion in different versions of Firefox
+    },
+    createObjectURL: function (data) {
+      if ($h.objUrl && $h.objUrl.createObjectURL && data) {
+        return $h.objUrl.createObjectURL(data);
+      }
+      return "";
+    },
+    revokeObjectURL: function (data) {
+      if ($h.objUrl && $h.objUrl.revokeObjectURL && data) {
+        $h.objUrl.revokeObjectURL(data);
+      }
+    },
+    compare: function (input, str, exact) {
+      return input !== undefined && (exact ? input === str : input.match(str));
+    },
+    isIE: function (ver) {
+      var div, status;
+      // check for IE versions < 11
+      if (navigator.appName !== "Microsoft Internet Explorer") {
+        return false;
+      }
+      if (ver === 10) {
+        return new RegExp("msie\\s" + ver, "i").test(navigator.userAgent);
+      }
+      div = document.createElement("div");
+      div.innerHTML = "<!--[if IE " + ver + "]> <i></i> <![endif]-->";
+      status = div.getElementsByTagName("i").length;
+      document.body.appendChild(div);
+      div.parentNode.removeChild(div);
+      return status;
+    },
+    canOrientImage: function ($el) {
+      var $img = $(document.createElement("img")).css({ width: "1px", height: "1px" }).insertAfter($el),
+        flag = $img.css("image-orientation");
+      $img.remove();
+      return !!flag;
+    },
+    canAssignFilesToInput: function () {
+      var input = document.createElement("input");
+      try {
+        input.type = "file";
+        input.files = null;
+        return true;
+      } catch (err) {
+        return false;
+      }
+    },
+    getDragDropFolders: function (items) {
+      var i,
+        item,
+        len = items ? items.length : 0,
+        folders = 0;
+      if (len > 0 && items[0].webkitGetAsEntry()) {
+        for (i = 0; i < len; i++) {
+          item = items[i].webkitGetAsEntry();
+          if (item && item.isDirectory) {
+            folders++;
+          }
+        }
+      }
+      return folders;
+    },
+    initModal: function ($modal) {
+      var $body = $("body");
+      if ($body.length) {
+        $modal.appendTo($body);
+      }
+    },
+    isFunction: function (v) {
+      return typeof v === "function";
+    },
+    isEmpty: function (value, trim) {
+      if (value === undefined || value === null || value === "") {
+        return true;
+      }
+      if ($h.isString(value) && trim) {
+        return $h.trim(value) === "";
+      }
+      if ($h.isArray(value)) {
+        return value.length === 0;
+      }
+      if ($.isPlainObject(value) && $.isEmptyObject(value)) {
+        return true;
+      }
+      return false;
+    },
+    isArray: function (a) {
+      return Array.isArray(a) || Object.prototype.toString.call(a) === "[object Array]";
+    },
+    isString: function (a) {
+      return Object.prototype.toString.call(a) === "[object String]";
+    },
+    ifSet: function (needle, haystack, def) {
+      def = def || "";
+      return haystack && typeof haystack === "object" && needle in haystack ? haystack[needle] : def;
+    },
+    cleanArray: function (arr) {
+      if (!(arr instanceof Array)) {
+        arr = [];
+      }
+      return arr.filter(function (e) {
+        return e !== undefined && e !== null;
+      });
+    },
+    spliceArray: function (arr, index, reverseOrder) {
+      var i,
+        j = 0,
+        out = [],
+        newArr;
+      if (!(arr instanceof Array)) {
+        return [];
+      }
+      newArr = $.extend(true, [], arr);
+      if (reverseOrder) {
+        newArr.reverse();
+      }
+      for (i = 0; i < newArr.length; i++) {
+        if (i !== index) {
+          out[j] = newArr[i];
+          j++;
+        }
+      }
+      if (reverseOrder) {
+        out.reverse();
+      }
+      return out;
+    },
+    getNum: function (num, def) {
+      def = def || 0;
+      if (typeof num === "number") {
+        return num;
+      }
+      if (typeof num === "string") {
+        num = parseFloat(num);
+      }
+      return isNaN(num) ? def : num;
+    },
+    hasFileAPISupport: function () {
+      return !!(window.File && window.FileReader);
+    },
+    hasDragDropSupport: function () {
+      var div = document.createElement("div");
+      /** @namespace div.draggable */
+      /** @namespace div.ondragstart */
+      /** @namespace div.ondrop */
+      return (
+        !$h.isIE(9) && (div.draggable !== undefined || (div.ondragstart !== undefined && div.ondrop !== undefined))
+      );
+    },
+    hasFileUploadSupport: function () {
+      return $h.hasFileAPISupport() && window.FormData;
+    },
+    hasBlobSupport: function () {
+      try {
+        return !!window.Blob && Boolean(new Blob());
+      } catch (e) {
+        return false;
+      }
+    },
+    hasArrayBufferViewSupport: function () {
+      try {
+        return new Blob([new Uint8Array(100)]).size === 100;
+      } catch (e) {
+        return false;
+      }
+    },
+    hasResumableUploadSupport: function () {
+      /** @namespace Blob.prototype.webkitSlice */
+      /** @namespace Blob.prototype.mozSlice */
+      return (
+        $h.hasFileUploadSupport() &&
+        $h.hasBlobSupport() &&
+        $h.hasArrayBufferViewSupport() &&
+        (!!Blob.prototype.webkitSlice || !!Blob.prototype.mozSlice || !!Blob.prototype.slice || false)
+      );
+    },
+    dataURI2Blob: function (dataURI) {
+      var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder,
+        canBlob = $h.hasBlobSupport(),
+        byteStr,
+        arrayBuffer,
+        intArray,
+        i,
+        mimeStr,
+        bb,
+        canProceed = (canBlob || BlobBuilder) && window.atob && window.ArrayBuffer && window.Uint8Array;
+      if (!canProceed) {
+        return null;
+      }
+      if (dataURI.split(",")[0].indexOf("base64") >= 0) {
+        byteStr = atob(dataURI.split(",")[1]);
+      } else {
+        byteStr = decodeURIComponent(dataURI.split(",")[1]);
+      }
+      arrayBuffer = new ArrayBuffer(byteStr.length);
+      intArray = new Uint8Array(arrayBuffer);
+      for (i = 0; i < byteStr.length; i += 1) {
+        intArray[i] = byteStr.charCodeAt(i);
+      }
+      mimeStr = dataURI.split(",")[0].split(":")[1].split(";")[0];
+      if (canBlob) {
+        return new Blob([$h.hasArrayBufferViewSupport() ? intArray : arrayBuffer], { type: mimeStr });
+      }
+      bb = new BlobBuilder();
+      bb.append(arrayBuffer);
+      return bb.getBlob(mimeStr);
+    },
+    arrayBuffer2String: function (buffer) {
+      if (window.TextDecoder) {
+        return new TextDecoder("utf-8").decode(buffer);
+      }
+      var array = Array.prototype.slice.apply(new Uint8Array(buffer)),
+        out = "",
+        i = 0,
+        len,
+        c,
+        char2,
+        char3;
+      len = array.length;
+      while (i < len) {
+        c = array[i++];
+        switch (
+          c >> 4 // jshint ignore:line
+        ) {
+          case 0:
+          case 1:
+          case 2:
+          case 3:
+          case 4:
+          case 5:
+          case 6:
+          case 7:
+            // 0xxxxxxx
+            out += String.fromCharCode(c);
+            break;
+          case 12:
+          case 13:
+            // 110x xxxx   10xx xxxx
+            char2 = array[i++];
+            out += String.fromCharCode(((c & 0x1f) << 6) | (char2 & 0x3f)); // jshint ignore:line
+            break;
+          case 14:
+            // 1110 xxxx  10xx xxxx  10xx xxxx
+            char2 = array[i++];
+            char3 = array[i++];
+            out += String.fromCharCode(
+              ((c & 0x0f) << 12) | // jshint ignore:line
+                ((char2 & 0x3f) << 6) | // jshint ignore:line
+                ((char3 & 0x3f) << 0)
+            ); // jshint ignore:line
+            break;
+        }
+      }
+      return out;
+    },
+    isSvg: function (str) {
+      if ($h.isEmpty(str)) {
+        return false;
+      }
+      str = $h.trim(str).replace(/\n/g, " ");
+      if (str.length === 0) {
+        return false;
+      }
+      return str.match(/^\s*<\?xml/i) && (str.match(/<!DOCTYPE svg/i) || str.match(/<svg/i));
+    },
+    getMimeType: function (sign, contents, type) {
+      var signature = sign || "";
+      switch (signature) {
+        case "ffd8ffe0":
+        case "ffd8ffe1":
+        case "ffd8ffe2":
+          return "image/jpeg";
+        case "89504e47":
+          return "image/png";
+        case "47494638":
+          return "image/gif";
+        case "49492a00":
+          return "image/tiff";
+        case "52494646":
+          return "image/webp";
+        case "41433130":
+          return "image/vnd.dwg";
+        case "66747970":
+          return "video/3gp";
+        case "4f676753":
+          return "video/ogg";
+        case "1a45dfa3":
+          return "video/mkv";
+        case "000001ba":
+        case "000001b3":
+          return "video/mpeg";
+        case "3026b275":
+          return "video/wmv";
+        case "25504446":
+          return "application/pdf";
+        case "25215053":
+          return "application/ps";
+        case "504b0304":
+        case "504b0506":
+        case "504b0508":
+          return "application/zip";
+        case "377abcaf":
+          return "application/7z";
+        case "75737461":
+          return "application/tar";
+        case "7801730d":
+          return "application/dmg";
+        default:
+          switch (signature.substring(0, 6)) {
+            case "435753":
+              return "application/x-shockwave-flash";
+            case "494433":
+              return "audio/mp3";
+            case "425a68":
+              return "application/bzip";
+            default:
+              switch (signature.substring(0, 4)) {
+                case "424d":
+                  return "image/bmp";
+                case "fffb":
+                  return "audio/mp3";
+                case "4d5a":
+                  return "application/exe";
+                case "1f9d":
+                case "1fa0":
+                  return "application/zip";
+                case "1f8b":
+                  return "application/gzip";
+                default:
+                  return contents && !contents.match(/[^\u0000-\u007f]/) ? "application/text-plain" : type;
+              }
+          }
+      }
+    },
+    addCss: function ($el, css) {
+      $el.removeClass(css).addClass(css);
+    },
+    getElement: function (options, param, value) {
+      return $h.isEmpty(options) || $h.isEmpty(options[param]) ? value : $(options[param]);
+    },
+    createDiv: function () {
+      return $(document.createElement("div"));
+    },
+    createElement: function (str, tag) {
+      tag = tag || "div";
+      return $($.parseHTML("<" + tag + ">" + str + "</" + tag + ">"));
+    },
+    uniqId: function () {
+      return (new Date().getTime() + Math.floor(Math.random() * Math.pow(10, 15))).toString(36);
+    },
+    cspBuffer: {
+      CSP_ATTRIB: "data-csp-01928735", // a randomly named temporary attribute to store the CSP elem id
+      domElementsStyles: {},
+      stash: function (htmlString) {
+        var self = this,
+          outerDom = $.parseHTML("<div>" + htmlString + "</div>"),
+          $el = $(outerDom);
+        $el.find("[style]").each(function (key, elem) {
+          var $elem = $(elem),
+            styleDeclaration = $elem[0].style,
+            id = $h.uniqId(),
+            styles = {};
+          if (styleDeclaration && styleDeclaration.length) {
+            $(styleDeclaration).each(function () {
+              styles[this] = styleDeclaration[this];
             });
-            return out;
-        },
-        debounce: function (func, delay) {
-            var inDebounce;
-            return function () {
-                var args = arguments, context = this;
-                clearTimeout(inDebounce);
-                inDebounce = setTimeout(function () {
-                    func.apply(context, args);
-                }, delay);
-            };
-        },
-        stopEvent: function (e) {
-            e.stopPropagation();
-            e.preventDefault();
-        },
-        getFileName: function (file) {
-            /** @namespace file.fileName */
-            return file ? (file.fileName || file.name || '') : ''; // some confusion in different versions of Firefox
-        },
-        createObjectURL: function (data) {
-            if ($h.objUrl && $h.objUrl.createObjectURL && data) {
-                return $h.objUrl.createObjectURL(data);
-            }
-            return '';
-        },
-        revokeObjectURL: function (data) {
-            if ($h.objUrl && $h.objUrl.revokeObjectURL && data) {
-                $h.objUrl.revokeObjectURL(data);
-            }
-        },
-        compare: function (input, str, exact) {
-            return input !== undefined && (exact ? input === str : input.match(str));
-        },
-        isIE: function (ver) {
-            var div, status;
-            // check for IE versions < 11
-            if (navigator.appName !== 'Microsoft Internet Explorer') {
-                return false;
-            }
-            if (ver === 10) {
-                return new RegExp('msie\\s' + ver, 'i').test(navigator.userAgent);
-            }
-            div = document.createElement('div');
-            div.innerHTML = '<!--[if IE ' + ver + ']> <i></i> <![endif]-->';
-            status = div.getElementsByTagName('i').length;
-            document.body.appendChild(div);
-            div.parentNode.removeChild(div);
-            return status;
-        },
-        canOrientImage: function ($el) {
-            var $img = $(document.createElement('img')).css({width: '1px', height: '1px'}).insertAfter($el),
-                flag = $img.css('image-orientation');
-            $img.remove();
-            return !!flag;
-        },
-        canAssignFilesToInput: function () {
-            var input = document.createElement('input');
-            try {
-                input.type = 'file';
-                input.files = null;
-                return true;
-            } catch (err) {
-                return false;
-            }
-        },
-        getDragDropFolders: function (items) {
-            var i, item, len = items ? items.length : 0, folders = 0;
-            if (len > 0 && items[0].webkitGetAsEntry()) {
-                for (i = 0; i < len; i++) {
-                    item = items[i].webkitGetAsEntry();
-                    if (item && item.isDirectory) {
-                        folders++;
-                    }
-                }
-            }
-            return folders;
-        },
-        initModal: function ($modal) {
-            var $body = $('body');
-            if ($body.length) {
-                $modal.appendTo($body);
-            }
-        },
-        isFunction: function (v) {
-            return typeof v === 'function';
-        },
-        isEmpty: function (value, trim) {
-            if (value === undefined || value === null || value === '') {
-                return true;
-            }
-            if ($h.isString(value) && trim) {
-                return $.trim(value) === '';
-            }
-            if ($h.isArray(value)) {
-                return value.length === 0;
-            }
-            if ($.isPlainObject(value) && $.isEmptyObject(value)) {
-                return true;
-            }
-            return false;
-        },
-        isArray: function (a) {
-            return Array.isArray(a) || Object.prototype.toString.call(a) === '[object Array]';
-        },
-        isString: function (a) {
-            return Object.prototype.toString.call(a) === '[object String]';
-        },
-        ifSet: function (needle, haystack, def) {
-            def = def || '';
-            return (haystack && typeof haystack === 'object' && needle in haystack) ? haystack[needle] : def;
-        },
-        cleanArray: function (arr) {
-            if (!(arr instanceof Array)) {
-                arr = [];
-            }
-            return arr.filter(function (e) {
-                return (e !== undefined && e !== null);
+            self.domElementsStyles[id] = styles;
+            $elem.removeAttr("style").attr(self.CSP_ATTRIB, id);
+          }
+        });
+        $el.filter("*").removeAttr("style"); // make sure all style attr are removed
+        var values = Object.values
+          ? Object.values(outerDom)
+          : Object.keys(outerDom).map(function (itm) {
+              return outerDom[itm];
             });
-        },
-        spliceArray: function (arr, index, reverseOrder) {
-            var i, j = 0, out = [], newArr;
-            if (!(arr instanceof Array)) {
-                return [];
-            }
-            newArr = $.extend(true, [], arr);
-            if (reverseOrder) {
-                newArr.reverse();
-            }
-            for (i = 0; i < newArr.length; i++) {
-                if (i !== index) {
-                    out[j] = newArr[i];
-                    j++;
-                }
-            }
-            if (reverseOrder) {
-                out.reverse();
-            }
-            return out;
-        },
-        getNum: function (num, def) {
-            def = def || 0;
-            if (typeof num === 'number') {
-                return num;
-            }
-            if (typeof num === 'string') {
-                num = parseFloat(num);
-            }
-            return isNaN(num) ? def : num;
-        },
-        hasFileAPISupport: function () {
-            return !!(window.File && window.FileReader);
-        },
-        hasDragDropSupport: function () {
-            var div = document.createElement('div');
-            /** @namespace div.draggable */
-            /** @namespace div.ondragstart */
-            /** @namespace div.ondrop */
-            return !$h.isIE(9) &&
-                (div.draggable !== undefined || (div.ondragstart !== undefined && div.ondrop !== undefined));
-        },
-        hasFileUploadSupport: function () {
-            return $h.hasFileAPISupport() && window.FormData;
-        },
-        hasBlobSupport: function () {
-            try {
-                return !!window.Blob && Boolean(new Blob());
-            } catch (e) {
-                return false;
-            }
-        },
-        hasArrayBufferViewSupport: function () {
-            try {
-                return new Blob([new Uint8Array(100)]).size === 100;
-            } catch (e) {
-                return false;
-            }
-        },
-        hasResumableUploadSupport: function () {
-            /** @namespace Blob.prototype.webkitSlice */
-            /** @namespace Blob.prototype.mozSlice */
-            return $h.hasFileUploadSupport() && $h.hasBlobSupport() && $h.hasArrayBufferViewSupport() &&
-                (!!Blob.prototype.webkitSlice || !!Blob.prototype.mozSlice || !!Blob.prototype.slice || false);
-        },
-        dataURI2Blob: function (dataURI) {
-            var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder ||
-                    window.MSBlobBuilder, canBlob = $h.hasBlobSupport(), byteStr, arrayBuffer, intArray, i, mimeStr, bb,
-                canProceed = (canBlob || BlobBuilder) && window.atob && window.ArrayBuffer && window.Uint8Array;
-            if (!canProceed) {
-                return null;
-            }
-            if (dataURI.split(',')[0].indexOf('base64') >= 0) {
-                byteStr = atob(dataURI.split(',')[1]);
+        return values
+          .flatMap(function (elem) {
+            return elem.innerHTML;
+          })
+          .join("");
+      },
+      apply: function (domElement) {
+        var self = this,
+          $el = $(domElement);
+        $el.find("[" + self.CSP_ATTRIB + "]").each(function (key, elem) {
+          var $elem = $(elem),
+            id = $elem.attr(self.CSP_ATTRIB),
+            styles = self.domElementsStyles[id];
+          if (styles) {
+            $elem.css(styles);
+          }
+          $elem.removeAttr(self.CSP_ATTRIB);
+        });
+        self.domElementsStyles = {};
+      },
+    },
+    setHtml: function ($elem, htmlString) {
+      var buf = $h.cspBuffer;
+      $elem.html(buf.stash(htmlString));
+      buf.apply($elem);
+      return $elem;
+    },
+    htmlEncode: function (str, undefVal) {
+      if (str === undefined) {
+        return undefVal || null;
+      }
+      return str
+        .replace(/&/g, "&amp;")
+        .replace(/</g, "&lt;")
+        .replace(/>/g, "&gt;")
+        .replace(/"/g, "&quot;")
+        .replace(/'/g, "&apos;");
+    },
+    replaceTags: function (str, tags) {
+      var out = str;
+      if (!tags) {
+        return out;
+      }
+      $.each(tags, function (key, value) {
+        if (typeof value === "function") {
+          value = value();
+        }
+        out = out.split(key).join(value);
+      });
+      return out;
+    },
+    cleanMemory: function ($thumb) {
+      var data = $thumb.is("img") ? $thumb.attr("src") : $thumb.find("source").attr("src");
+      $h.revokeObjectURL(data);
+    },
+    findFileName: function (filePath) {
+      var sepIndex = filePath.lastIndexOf("/");
+      if (sepIndex === -1) {
+        sepIndex = filePath.lastIndexOf("\\");
+      }
+      return filePath.split(filePath.substring(sepIndex, sepIndex + 1)).pop();
+    },
+    checkFullScreen: function () {
+      return (
+        document.fullscreenElement ||
+        document.mozFullScreenElement ||
+        document.webkitFullscreenElement ||
+        document.msFullscreenElement
+      );
+    },
+    toggleFullScreen: function (maximize) {
+      var doc = document,
+        de = doc.documentElement,
+        isFullScreen = $h.checkFullScreen();
+      if (de && maximize && !isFullScreen) {
+        if (de.requestFullscreen) {
+          de.requestFullscreen();
+        } else {
+          if (de.msRequestFullscreen) {
+            de.msRequestFullscreen();
+          } else {
+            if (de.mozRequestFullScreen) {
+              de.mozRequestFullScreen();
             } else {
-                byteStr = decodeURIComponent(dataURI.split(',')[1]);
-            }
-            arrayBuffer = new ArrayBuffer(byteStr.length);
-            intArray = new Uint8Array(arrayBuffer);
-            for (i = 0; i < byteStr.length; i += 1) {
-                intArray[i] = byteStr.charCodeAt(i);
-            }
-            mimeStr = dataURI.split(',')[0].split(':')[1].split(';')[0];
-            if (canBlob) {
-                return new Blob([$h.hasArrayBufferViewSupport() ? intArray : arrayBuffer], {type: mimeStr});
-            }
-            bb = new BlobBuilder();
-            bb.append(arrayBuffer);
-            return bb.getBlob(mimeStr);
-        },
-        arrayBuffer2String: function (buffer) {
-            if (window.TextDecoder) {
-                return new TextDecoder('utf-8').decode(buffer);
-            }
-            var array = Array.prototype.slice.apply(new Uint8Array(buffer)), out = '', i = 0, len, c, char2, char3;
-            len = array.length;
-            while (i < len) {
-                c = array[i++];
-                switch (c >> 4) { // jshint ignore:line
-                    case 0:
-                    case 1:
-                    case 2:
-                    case 3:
-                    case 4:
-                    case 5:
-                    case 6:
-                    case 7:
-                        // 0xxxxxxx
-                        out += String.fromCharCode(c);
-                        break;
-                    case 12:
-                    case 13:
-                        // 110x xxxx   10xx xxxx
-                        char2 = array[i++];
-                        out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F)); // jshint ignore:line
-                        break;
-                    case 14:
-                        // 1110 xxxx  10xx xxxx  10xx xxxx
-                        char2 = array[i++];
-                        char3 = array[i++];
-                        out += String.fromCharCode(((c & 0x0F) << 12) | // jshint ignore:line
-                            ((char2 & 0x3F) << 6) |  // jshint ignore:line
-                            ((char3 & 0x3F) << 0)); // jshint ignore:line
-                        break;
-                }
+              if (de.webkitRequestFullscreen) {
+                de.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
+              }
             }
-            return out;
-        },
-        isHtml: function (str) {
-            var a = document.createElement('div');
-            a.innerHTML = str;
-            for (var c = a.childNodes, i = c.length; i--;) {
-                if (c[i].nodeType === 1) {
-                    return true;
+          }
+        }
+      } else {
+        if (isFullScreen) {
+          if (doc.exitFullscreen) {
+            doc.exitFullscreen();
+          } else {
+            if (doc.msExitFullscreen) {
+              doc.msExitFullscreen();
+            } else {
+              if (doc.mozCancelFullScreen) {
+                doc.mozCancelFullScreen();
+              } else {
+                if (doc.webkitExitFullscreen) {
+                  doc.webkitExitFullscreen();
                 }
+              }
             }
-            return false;
-        },
-        isPdf: function (str) {
-            if ($h.isEmpty(str)) {
-                return false;
-            }
-            str = str.toString().trim().replace(/\n/g, ' ');
-            if (str.length === 0) {
-                return false;
-            }
-        },
-        isSvg: function (str) {
-            if ($h.isEmpty(str)) {
-                return false;
-            }
-            str = str.toString().trim().replace(/\n/g, ' ');
-            if (str.length === 0) {
-                return false;
-            }
-            return str.match(/^\s*<\?xml/i) && (str.match(/<!DOCTYPE svg/i) || str.match(/<svg/i));
-        },
-        getMimeType: function (sign, contents, type) {
-            var signature = sign || "";
-            switch (signature) {
-                case 'ffd8ffe0':
-                case 'ffd8ffe1':
-                case 'ffd8ffe2':
-                    return 'image/jpeg';
-                case '89504e47':
-                    return 'image/png';
-                case '47494638':
-                    return 'image/gif';
-                case '49492a00':
-                    return 'image/tiff';
-                case '52494646':
-                    return 'image/webp';
-                case '41433130':
-                    return 'image/vnd.dwg';
-                case '66747970':
-                    return 'video/3gp';
-                case '4f676753':
-                    return 'video/ogg';
-                case '1a45dfa3':
-                    return 'video/mkv';
-                case '000001ba':
-                case '000001b3':
-                    return 'video/mpeg';
-                case '3026b275':
-                    return 'video/wmv';
-                case '25504446':
-                    return 'application/pdf';
-                case '25215053':
-                    return 'application/ps';
-                case '504b0304':
-                case '504b0506':
-                case '504b0508':
-                    return 'application/zip';
-                case '377abcaf':
-                    return 'application/7z';
-                case '75737461':
-                    return 'application/tar';
-                case '7801730d':
-                    return 'application/dmg';
-                default:
-                    switch (signature.substring(0, 6)) {
-                        case '435753':
-                            return 'application/x-shockwave-flash';
-                        case '494433':
-                            return 'audio/mp3';
-                        case '425a68':
-                            return 'application/bzip';
-                        default:
-                            switch (signature.substring(0, 4)) {
-                                case '424d':
-                                    return 'image/bmp';
-                                case 'fffb':
-                                    return 'audio/mp3';
-                                case '4d5a':
-                                    return 'application/exe';
-                                case '1f9d':
-                                case '1fa0':
-                                    return 'application/zip';
-                                case '1f8b':
-                                    return 'application/gzip';
-                                default:
-                                    return contents && !contents.match(
-                                        /[^\u0000-\u007f]/) ? 'application/text-plain' : type;
-                            }
-                    }
-            }
-        },
-        addCss: function ($el, css) {
-            $el.removeClass(css).addClass(css);
-        },
-        getElement: function (options, param, value) {
-            return ($h.isEmpty(options) || $h.isEmpty(options[param])) ? value : $(options[param]);
-        },
-        createElement: function (str, tag) {
-            tag = tag || 'div';
-            return $($.parseHTML('<' + tag + '>' + str + '</' + tag + '>'));
-        },
-        uniqId: function () {
-            return (new Date().getTime() + Math.floor(Math.random() * Math.pow(10, 15))).toString(36);
-        },
-        cspBuffer: {
-            CSP_ATTRIB: 'data-csp-01928735', // a randomly named temporary attribute to store the CSP elem id
-            domElementsStyles: {},
-            stash: function (htmlString) {
-                var self = this, outerDom = $.parseHTML('<div>' + htmlString + '</div>'), $el = $(outerDom);
-                $el.find('[style]').each(function (key, elem) {
-                    var $elem = $(elem), styleDeclaration = $elem[0].style, id = $h.uniqId(), styles = {};
-                    if (styleDeclaration && styleDeclaration.length) {
-                        $(styleDeclaration).each(function () {
-                            styles[this] = styleDeclaration[this];
-                        });
-                        self.domElementsStyles[id] = styles;
-                        $elem.removeAttr('style').attr(self.CSP_ATTRIB, id);
-                    }
-                });
-                $el.filter('*').removeAttr('style');                   // make sure all style attr are removed
-                var values = Object.values ? Object.values(outerDom) : Object.keys(outerDom).map(function (itm) {
-                    return outerDom[itm];
+          }
+        }
+      }
+    },
+    moveArray: function (arr, oldIndex, newIndex, reverseOrder) {
+      var newArr = $.extend(true, [], arr);
+      if (reverseOrder) {
+        newArr.reverse();
+      }
+      if (newIndex >= newArr.length) {
+        var k = newIndex - newArr.length;
+        while (k-- + 1) {
+          newArr.push(undefined);
+        }
+      }
+      newArr.splice(newIndex, 0, newArr.splice(oldIndex, 1)[0]);
+      if (reverseOrder) {
+        newArr.reverse();
+      }
+      return newArr;
+    },
+    closeButton: function (css) {
+      css = ($h.isBs(5) ? "btn-close" : "close") + (css ? " " + css : "");
+      return (
+        '<button type="button" class="' +
+        css +
+        '" aria-label="Close">\n' +
+        ($h.isBs(5) ? "" : '  <span aria-hidden="true">&times;</span>\n') +
+        "</button>"
+      );
+    },
+    getRotation: function (value) {
+      switch (value) {
+        case 2:
+          return "rotateY(180deg)";
+        case 3:
+          return "rotate(180deg)";
+        case 4:
+          return "rotate(180deg) rotateY(180deg)";
+        case 5:
+          return "rotate(270deg) rotateY(180deg)";
+        case 6:
+          return "rotate(90deg)";
+        case 7:
+          return "rotate(90deg) rotateY(180deg)";
+        case 8:
+          return "rotate(270deg)";
+        default:
+          return "";
+      }
+    },
+    setTransform: function (el, val) {
+      if (!el) {
+        return;
+      }
+      el.style.transform = val;
+      el.style.webkitTransform = val;
+      el.style["-moz-transform"] = val;
+      el.style["-ms-transform"] = val;
+      el.style["-o-transform"] = val;
+    },
+    getObjectKeys: function (obj) {
+      var keys = [];
+      if (obj) {
+        $.each(obj, function (key) {
+          keys.push(key);
+        });
+      }
+      return keys;
+    },
+    getObjectSize: function (obj) {
+      return $h.getObjectKeys(obj).length;
+    },
+    /**
+     * Small dependency injection for the task manager
+     * https://gist.github.com/fearphage/4341799
+     */
+    whenAll: function (array) {
+      var s = [].slice,
+        resolveValues = arguments.length === 1 && $h.isArray(array) ? array : s.call(arguments),
+        deferred = $.Deferred(),
+        i,
+        failed = 0,
+        value,
+        length = resolveValues.length,
+        remaining = length,
+        rejectContexts,
+        rejectValues,
+        resolveContexts,
+        updateFunc;
+      rejectContexts = rejectValues = resolveContexts = Array(length);
+      updateFunc = function (index, contexts, values) {
+        return function () {
+          if (values !== resolveValues) {
+            failed++;
+          }
+          deferred.notifyWith((contexts[index] = this), (values[index] = s.call(arguments)));
+          if (!--remaining) {
+            deferred[(!failed ? "resolve" : "reject") + "With"](contexts, values);
+          }
+        };
+      };
+      for (i = 0; i < length; i++) {
+        if ((value = resolveValues[i]) && $h.isFunction(value.promise)) {
+          value
+            .promise()
+            .done(updateFunc(i, resolveContexts, resolveValues))
+            .fail(updateFunc(i, rejectContexts, rejectValues));
+        } else {
+          deferred.notifyWith(this, value);
+          --remaining;
+        }
+      }
+      if (!remaining) {
+        deferred.resolveWith(resolveContexts, resolveValues);
+      }
+      return deferred.promise();
+    },
+  };
+  FileInput = function (element, options) {
+    var self = this;
+    self.$element = $(element);
+    self.$parent = self.$element.parent();
+    if (!self._validate()) {
+      return;
+    }
+    self.isPreviewable = $h.hasFileAPISupport();
+    self.isIE9 = $h.isIE(9);
+    self.isIE10 = $h.isIE(10);
+    if (self.isPreviewable || self.isIE9) {
+      self._init(options);
+      self._listen();
+    }
+    self.$element.removeClass("file-loading");
+  };
+
+  FileInput.prototype = {
+    constructor: FileInput,
+    _cleanup: function () {
+      var self = this;
+      self.reader = null;
+      self.clearFileStack();
+      self.fileBatchCompleted = true;
+      self.isError = false;
+      self.isDuplicateError = false;
+      self.isPersistentError = false;
+      self.cancelling = false;
+      self.paused = false;
+      self.lastProgress = 0;
+      self._initAjax();
+    },
+    _isAborted: function () {
+      var self = this;
+      return self.cancelling || self.paused;
+    },
+    _initAjax: function () {
+      var self = this,
+        tm = (self.taskManager = {
+          pool: {},
+          addPool: function (id) {
+            return (tm.pool[id] = new tm.TasksPool(id));
+          },
+          getPool: function (id) {
+            return tm.pool[id];
+          },
+          addTask: function (id, logic) {
+            // add standalone task directly from task manager
+            return new tm.Task(id, logic);
+          },
+          TasksPool: function (id) {
+            var tp = this;
+            tp.id = id;
+            tp.cancelled = false;
+            tp.cancelledDeferrer = $.Deferred();
+            tp.tasks = {};
+            tp.addTask = function (id, logic) {
+              return (tp.tasks[id] = new tm.Task(id, logic));
+            };
+            tp.size = function () {
+              return $h.getObjectSize(tp.tasks);
+            };
+            tp.run = function (maxThreads) {
+              var i = 0,
+                failed = false,
+                task,
+                tasksList = $h.getObjectKeys(tp.tasks).map(function (key) {
+                  return tp.tasks[key];
+                }),
+                tasksDone = [],
+                deferred = $.Deferred(),
+                enqueue,
+                callback;
+
+              if (tp.cancelled) {
+                tp.cancelledDeferrer.resolve();
+                return deferred.reject();
+              }
+              // if run all at once
+              if (!maxThreads) {
+                var tasksDeferredList = $h.getObjectKeys(tp.tasks).map(function (key) {
+                  return tp.tasks[key].deferred;
                 });
-                return values.flatMap(function (elem) {
-                    return elem.innerHTML;
-                }).join('');
-            },
-            apply: function (domElement) {
-                var self = this, $el = $(domElement);
-                $el.find('[' + self.CSP_ATTRIB + ']').each(function (key, elem) {
-                    var $elem = $(elem), id = $elem.attr(self.CSP_ATTRIB), styles = self.domElementsStyles[id];
-                    if (styles) {
-                        $elem.css(styles);
+                // when all are done
+                $h.whenAll(tasksDeferredList)
+                  .done(function () {
+                    var argv = $h.getArray(arguments);
+                    if (!tp.cancelled) {
+                      deferred.resolve.apply(null, argv);
+                      tp.cancelledDeferrer.reject();
+                    } else {
+                      deferred.reject.apply(null, argv);
+                      tp.cancelledDeferrer.resolve();
+                    }
+                  })
+                  .fail(function () {
+                    var argv = $h.getArray(arguments);
+                    deferred.reject.apply(null, argv);
+                    if (!tp.cancelled) {
+                      tp.cancelledDeferrer.reject();
+                    } else {
+                      tp.cancelledDeferrer.resolve();
                     }
-                    $elem.removeAttr(self.CSP_ATTRIB);
+                  });
+                // run all tasks
+                $.each(tp.tasks, function (id) {
+                  task = tp.tasks[id];
+                  task.run();
                 });
-                self.domElementsStyles = {};
+                return deferred;
+              }
+              enqueue = function (task) {
+                $.when(task.deferred)
+                  .fail(function () {
+                    failed = true;
+                    callback.apply(null, arguments);
+                  })
+                  .always(callback);
+              };
+              callback = function () {
+                var argv = $h.getArray(arguments);
+                // notify a task just ended
+                deferred.notify(argv);
+                tasksDone.push(argv);
+                if (tp.cancelled) {
+                  deferred.reject.apply(null, tasksDone);
+                  tp.cancelledDeferrer.resolve();
+                  return;
+                }
+                if (tasksDone.length === tp.size()) {
+                  if (failed) {
+                    deferred.reject.apply(null, tasksDone);
+                  } else {
+                    deferred.resolve.apply(null, tasksDone);
+                  }
+                }
+                // if there are any tasks remaining
+                if (tasksList.length) {
+                  task = tasksList.shift();
+                  enqueue(task);
+                  task.run();
+                }
+              };
+              // run the first "maxThreads" tasks
+              while (tasksList.length && i++ < maxThreads) {
+                task = tasksList.shift();
+                enqueue(task);
+                task.run();
+              }
+              return deferred;
+            };
+            tp.cancel = function () {
+              tp.cancelled = true;
+              return tp.cancelledDeferrer;
+            };
+          },
+          Task: function (id, logic) {
+            var tk = this;
+            tk.id = id;
+            tk.deferred = $.Deferred();
+            tk.logic = logic;
+            tk.context = null;
+            tk.run = function () {
+              var argv = $h.getArray(arguments);
+              argv.unshift(tk.deferred); // add deferrer as first argument
+              logic.apply(tk.context, argv); // run task
+              return tk.deferred; // return deferrer
+            };
+            tk.runWithContext = function (context) {
+              tk.context = context;
+              return tk.run();
+            };
+          },
+        });
+      self.ajaxQueue = [];
+      self.ajaxRequests = [];
+      self.ajaxPool = null;
+      self.ajaxAborted = false;
+    },
+    _init: function (options, refreshMode) {
+      var self = this,
+        f,
+        $el = self.$element,
+        $cont,
+        t,
+        tmp;
+      self.options = options;
+      self.zoomPlaceholder = $h.getZoomPlaceholder();
+      self.canOrientImage = $h.canOrientImage($el);
+      $.each(options, function (key, value) {
+        switch (key) {
+          case "minFileCount":
+          case "maxFileCount":
+          case "maxTotalFileCount":
+          case "minFileSize":
+          case "maxFileSize":
+          case "maxMultipleFileSize":
+          case "maxFilePreviewSize":
+          case "resizeQuality":
+          case "resizeIfSizeMoreThan":
+          case "progressUploadThreshold":
+          case "initialPreviewCount":
+          case "zoomModalHeight":
+          case "minImageHeight":
+          case "maxImageHeight":
+          case "minImageWidth":
+          case "maxImageWidth":
+          case "bytesToKB":
+            self[key] = $h.getNum(value);
+            break;
+          default:
+            self[key] = value;
+            break;
+        }
+      });
+      if (!self.bytesToKB || self.bytesToKB <= 0) {
+        self.bytesToKB = 1024;
+      }
+      if (self.errorCloseButton === undefined) {
+        self.errorCloseButton = $h.closeButton("kv-error-close" + ($h.isBs(5) ? "  float-end" : ""));
+      }
+      if (self.maxTotalFileCount > 0 && self.maxTotalFileCount < self.maxFileCount) {
+        self.maxTotalFileCount = self.maxFileCount;
+      }
+      if (self.rtl) {
+        // swap buttons for rtl
+        tmp = self.previewZoomButtonIcons.prev;
+        self.previewZoomButtonIcons.prev = self.previewZoomButtonIcons.next;
+        self.previewZoomButtonIcons.next = tmp;
+      }
+      // validate chunk threads to not exceed maxAjaxThreads
+      if (!isNaN(self.maxAjaxThreads) && self.maxAjaxThreads < self.resumableUploadOptions.maxThreads) {
+        self.resumableUploadOptions.maxThreads = self.maxAjaxThreads;
+      }
+      self._initFileManager();
+      if (typeof self.autoOrientImage === "function") {
+        self.autoOrientImage = self.autoOrientImage();
+      }
+      if (typeof self.autoOrientImageInitial === "function") {
+        self.autoOrientImageInitial = self.autoOrientImageInitial();
+      }
+      if (!refreshMode) {
+        self._cleanup();
+      }
+      self.duplicateErrors = [];
+      self.$form = $el.closest("form");
+      self._initTemplateDefaults();
+      self.uploadFileAttr = !$h.isEmpty($el.attr("name")) ? $el.attr("name") : "file_data";
+      t = self._getLayoutTemplate("progress");
+      self.progressTemplate = t.replace("{class}", self.progressClass);
+      self.progressInfoTemplate = t.replace("{class}", self.progressInfoClass);
+      self.progressPauseTemplate = t.replace("{class}", self.progressPauseClass);
+      self.progressCompleteTemplate = t.replace("{class}", self.progressCompleteClass);
+      self.progressErrorTemplate = t.replace("{class}", self.progressErrorClass);
+      self.isDisabled = $el.attr("disabled") || $el.attr("readonly");
+      if (self.isDisabled) {
+        $el.attr("disabled", true);
+      }
+      self.isClickable =
+        self.browseOnZoneClick && self.showPreview && (self.dropZoneEnabled || !$h.isEmpty(self.defaultPreviewContent));
+      self.isAjaxUpload = $h.hasFileUploadSupport() && !$h.isEmpty(self.uploadUrl);
+      self.dropZoneEnabled = $h.hasDragDropSupport() && self.dropZoneEnabled;
+      if (!self.isAjaxUpload) {
+        self.dropZoneEnabled = self.dropZoneEnabled && $h.canAssignFilesToInput();
+      }
+      self.slug = typeof options.slugCallback === "function" ? options.slugCallback : self._slugDefault;
+      self.mainTemplate = self.showCaption ? self._getLayoutTemplate("main1") : self._getLayoutTemplate("main2");
+      self.captionTemplate = self._getLayoutTemplate("caption");
+      self.previewGenericTemplate = self._getPreviewTemplate("generic");
+      if (!self.imageCanvas && self.resizeImage && (self.maxImageWidth || self.maxImageHeight)) {
+        self.imageCanvas = document.createElement("canvas");
+        self.imageCanvasContext = self.imageCanvas.getContext("2d");
+      }
+      if ($h.isEmpty($el.attr("id"))) {
+        $el.attr("id", $h.uniqId());
+      }
+      self.namespace = ".fileinput_" + $el.attr("id").replace(/-/g, "_");
+      if (self.$container === undefined) {
+        self.$container = self._createContainer();
+      } else {
+        self._refreshContainer();
+      }
+      $cont = self.$container;
+      self.$dropZone = $cont.find(".file-drop-zone");
+      self.$progress = $cont.find(".kv-upload-progress");
+      self.$btnUpload = $cont.find(".fileinput-upload");
+      self.$captionContainer = $h.getElement(options, "elCaptionContainer", $cont.find(".file-caption"));
+      self.$caption = $h.getElement(options, "elCaptionText", $cont.find(".file-caption-name"));
+      if (!$h.isEmpty(self.msgPlaceholder)) {
+        f = $el.attr("multiple") ? self.filePlural : self.fileSingle;
+        self.$caption.attr("placeholder", self.msgPlaceholder.replace("{files}", f));
+      }
+      self.$captionIcon = self.$captionContainer.find(".file-caption-icon");
+      self.$previewContainer = $h.getElement(options, "elPreviewContainer", $cont.find(".file-preview"));
+      self.$preview = $h.getElement(options, "elPreviewImage", $cont.find(".file-preview-thumbnails"));
+      self.$previewStatus = $h.getElement(options, "elPreviewStatus", $cont.find(".file-preview-status"));
+      self.$errorContainer = $h.getElement(
+        options,
+        "elErrorContainer",
+        self.$previewContainer.find(".kv-fileinput-error")
+      );
+      self._validateDisabled();
+      if (!$h.isEmpty(self.msgErrorClass)) {
+        $h.addCss(self.$errorContainer, self.msgErrorClass);
+      }
+      if (!refreshMode) {
+        self._resetErrors();
+        self.$errorContainer.hide();
+        self.previewInitId = "thumb-" + $el.attr("id");
+        self._initPreviewCache();
+        self._initPreview(true);
+        self._initPreviewActions();
+        if (self.$parent.hasClass("file-loading")) {
+          self.$container.insertBefore(self.$parent);
+          self.$parent.remove();
+        }
+      } else {
+        if (!self._errorsExist()) {
+          self.$errorContainer.hide();
+        }
+      }
+      self._setFileDropZoneTitle();
+      if ($el.attr("disabled")) {
+        self.disable();
+      }
+      self._initZoom();
+      if (self.hideThumbnailContent) {
+        $h.addCss(self.$preview, "hide-content");
+      }
+    },
+    _initFileManager: function () {
+      var self = this;
+      self.uploadStartTime = $h.now();
+      self.fileManager = {
+        stack: {},
+        filesProcessed: [],
+        errors: [],
+        loadedImages: {},
+        totalImages: 0,
+        totalFiles: null,
+        totalSize: null,
+        uploadedSize: 0,
+        stats: {},
+        bpsLog: [],
+        bps: 0,
+        initStats: function (id) {
+          var data = { started: $h.now() };
+          if (id) {
+            self.fileManager.stats[id] = data;
+          } else {
+            self.fileManager.stats = data;
+          }
+        },
+        getUploadStats: function (id, loaded, total) {
+          var fm = self.fileManager,
+            started = id ? (fm.stats[id] && fm.stats[id].started) || $h.now() : self.uploadStartTime,
+            elapsed = ($h.now() - started) / 1000,
+            bps = Math.ceil(elapsed ? loaded / elapsed : 0),
+            pendingBytes = total - loaded,
+            out,
+            delay = fm.bpsLog.length ? self.bitrateUpdateDelay : 0;
+          setTimeout(function () {
+            var i,
+              j = 0,
+              n = 0,
+              len,
+              beg;
+            fm.bpsLog.push(bps);
+            fm.bpsLog.sort(function (a, b) {
+              return a - b;
+            });
+            len = fm.bpsLog.length;
+            beg = len > 10 ? len - 10 : Math.ceil(len / 2);
+            for (i = len; i > beg; i--) {
+              n = parseFloat(fm.bpsLog[i]);
+              j++;
+            }
+            fm.bps = (j > 0 ? n / j : 0) * 64;
+          }, delay);
+          out = {
+            fileId: id,
+            started: started,
+            elapsed: elapsed,
+            loaded: loaded,
+            total: total,
+            bps: fm.bps,
+            bitrate: self._getSize(fm.bps, false, self.bitRateUnits),
+            pendingBytes: pendingBytes,
+          };
+          if (id) {
+            fm.stats[id] = out;
+          } else {
+            fm.stats = out;
+          }
+          return out;
+        },
+        exists: function (id) {
+          return $.inArray(id, self.fileManager.getIdList()) !== -1;
+        },
+        count: function () {
+          return self.fileManager.getIdList().length;
+        },
+        total: function () {
+          var fm = self.fileManager;
+          if (!fm.totalFiles) {
+            fm.totalFiles = fm.count();
+          }
+          return fm.totalFiles;
+        },
+        getTotalSize: function () {
+          var fm = self.fileManager;
+          if (fm.totalSize) {
+            return fm.totalSize;
+          }
+          fm.totalSize = 0;
+          $.each(self.getFileStack(), function (id, f) {
+            var size = parseFloat(f.size);
+            fm.totalSize += isNaN(size) ? 0 : size;
+          });
+          return fm.totalSize;
+        },
+        add: function (file, id) {
+          if (!id) {
+            id = self.fileManager.getId(file);
+          }
+          if (!id) {
+            return;
+          }
+          self.fileManager.stack[id] = {
+            file: file,
+            name: $h.getFileName(file),
+            relativePath: $h.getFileRelativePath(file),
+            size: file.size,
+            nameFmt: self._getFileName(file, ""),
+            sizeFmt: self._getSize(file.size),
+          };
+        },
+        remove: function ($thumb) {
+          var id = self._getThumbFileId($thumb);
+          self.fileManager.removeFile(id);
+        },
+        removeFile: function (id) {
+          var fm = self.fileManager;
+          if (!id) {
+            return;
+          }
+          delete fm.stack[id];
+          delete fm.loadedImages[id];
+        },
+        move: function (idFrom, idTo) {
+          var result = {},
+            stack = self.fileManager.stack;
+          if ((!idFrom && !idTo) || idFrom === idTo) {
+            return;
+          }
+          $.each(stack, function (k, v) {
+            if (k !== idFrom) {
+              result[k] = v;
             }
-        },
-        setHtml: function ($elem, htmlString) {
-            var buf = $h.cspBuffer;
-            $elem.html(buf.stash(htmlString));
-            buf.apply($elem);
-            return $elem;
-        },
-        htmlEncode: function (str, undefVal) {
-            if (str === undefined) {
-                return undefVal || null;
+            if (k === idTo) {
+              result[idFrom] = stack[idFrom];
             }
-            return str.replace(/&/g, '&amp;')
-                .replace(/</g, '&lt;')
-                .replace(/>/g, '&gt;')
-                .replace(/"/g, '&quot;')
-                .replace(/'/g, '&apos;');
+          });
+          self.fileManager.stack = result;
         },
-        replaceTags: function (str, tags) {
-            var out = str;
-            if (!tags) {
-                return out;
+        list: function () {
+          var files = [];
+          $.each(self.getFileStack(), function (k, v) {
+            if (v && v.file) {
+              files.push(v.file);
             }
-            $.each(tags, function (key, value) {
-                if (typeof value === 'function') {
-                    value = value();
-                }
-                out = out.split(key).join(value);
-            });
-            return out;
+          });
+          return files;
         },
-        cleanMemory: function ($thumb) {
-            var data = $thumb.is('img') ? $thumb.attr('src') : $thumb.find('source').attr('src');
-            $h.revokeObjectURL(data);
+        isPending: function (id) {
+          return $.inArray(id, self.fileManager.filesProcessed) === -1 && self.fileManager.exists(id);
         },
-        findFileName: function (filePath) {
-            var sepIndex = filePath.lastIndexOf('/');
-            if (sepIndex === -1) {
-                sepIndex = filePath.lastIndexOf('\\');
+        isProcessed: function () {
+          var filesProcessed = true,
+            fm = self.fileManager;
+          $.each(self.getFileStack(), function (id) {
+            if (fm.isPending(id)) {
+              filesProcessed = false;
             }
-            return filePath.split(filePath.substring(sepIndex, sepIndex + 1)).pop();
-        },
-        checkFullScreen: function () {
-            return document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement ||
-                document.msFullscreenElement;
+          });
+          return filesProcessed;
         },
-        toggleFullScreen: function (maximize) {
-            var doc = document, de = doc.documentElement, isFullScreen = $h.checkFullScreen();
-            if (de && maximize && !isFullScreen) {
-                if (de.requestFullscreen) {
-                    de.requestFullscreen();
-                } else {
-                    if (de.msRequestFullscreen) {
-                        de.msRequestFullscreen();
-                    } else {
-                        if (de.mozRequestFullScreen) {
-                            de.mozRequestFullScreen();
-                        } else {
-                            if (de.webkitRequestFullscreen) {
-                                de.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
-                            }
-                        }
-                    }
-                }
-            } else {
-                if (isFullScreen) {
-                    if (doc.exitFullscreen) {
-                        doc.exitFullscreen();
-                    } else {
-                        if (doc.msExitFullscreen) {
-                            doc.msExitFullscreen();
-                        } else {
-                            if (doc.mozCancelFullScreen) {
-                                doc.mozCancelFullScreen();
-                            } else {
-                                if (doc.webkitExitFullscreen) {
-                                    doc.webkitExitFullscreen();
-                                }
-                            }
-                        }
-                    }
-                }
-            }
+        clear: function () {
+          var fm = self.fileManager;
+          self.isDuplicateError = false;
+          self.isPersistentError = false;
+          fm.totalFiles = null;
+          fm.totalSize = null;
+          fm.uploadedSize = 0;
+          fm.stack = {};
+          fm.errors = [];
+          fm.filesProcessed = [];
+          fm.stats = {};
+          fm.bpsLog = [];
+          fm.bps = 0;
+          fm.clearImages();
+        },
+        clearImages: function () {
+          self.fileManager.loadedImages = {};
+          self.fileManager.totalImages = 0;
+        },
+        addImage: function (id, config) {
+          self.fileManager.loadedImages[id] = config;
+        },
+        removeImage: function (id) {
+          delete self.fileManager.loadedImages[id];
+        },
+        getImageIdList: function () {
+          return $h.getObjectKeys(self.fileManager.loadedImages);
+        },
+        getImageCount: function () {
+          return self.fileManager.getImageIdList().length;
+        },
+        getId: function (file) {
+          return self._getFileId(file);
+        },
+        getIndex: function (id) {
+          return self.fileManager.getIdList().indexOf(id);
+        },
+        getThumb: function (id) {
+          var $thumb = null;
+          self._getThumbs().each(function () {
+            var $t = $(this);
+            if (self._getThumbFileId($t) === id) {
+              $thumb = $t;
+            }
+          });
+          return $thumb;
+        },
+        getThumbIndex: function ($thumb) {
+          var id = self._getThumbFileId($thumb);
+          return self.fileManager.getIndex(id);
+        },
+        getIdList: function () {
+          return $h.getObjectKeys(self.fileManager.stack);
+        },
+        getFile: function (id) {
+          return self.fileManager.stack[id] || null;
+        },
+        getFileName: function (id, fmt) {
+          var file = self.fileManager.getFile(id);
+          if (!file) {
+            return "";
+          }
+          return fmt ? file.nameFmt || "" : file.name || "";
+        },
+        getFirstFile: function () {
+          var ids = self.fileManager.getIdList(),
+            id = ids && ids.length ? ids[0] : null;
+          return self.fileManager.getFile(id);
+        },
+        setFile: function (id, file) {
+          if (self.fileManager.getFile(id)) {
+            self.fileManager.stack[id].file = file;
+          } else {
+            self.fileManager.add(file, id);
+          }
+        },
+        setProcessed: function (id) {
+          self.fileManager.filesProcessed.push(id);
+        },
+        getProgress: function () {
+          var total = self.fileManager.total(),
+            filesProcessed = self.fileManager.filesProcessed.length;
+          if (!total) {
+            return 0;
+          }
+          return Math.ceil((filesProcessed / total) * 100);
+        },
+        setProgress: function (id, pct) {
+          var f = self.fileManager.getFile(id);
+          if (!isNaN(pct) && f) {
+            f.progress = pct;
+          }
+        },
+      };
+    },
+    _setUploadData: function (fd, config) {
+      var self = this;
+      $.each(config, function (key, value) {
+        var param = self.uploadParamNames[key] || key;
+        if ($h.isArray(value)) {
+          fd.append(param, value[0], value[1]);
+        } else {
+          fd.append(param, value);
+        }
+      });
+    },
+    _initResumableUpload: function () {
+      var self = this,
+        opts = self.resumableUploadOptions,
+        logs = $h.logMessages,
+        rm,
+        fm = self.fileManager;
+      if (!self.enableResumableUpload) {
+        return;
+      }
+      if (opts.fallback !== false && typeof opts.fallback !== "function") {
+        opts.fallback = function (s) {
+          s._log(logs.noResumableSupport);
+          s.enableResumableUpload = false;
+        };
+      }
+      if (!$h.hasResumableUploadSupport() && opts.fallback !== false) {
+        opts.fallback(self);
+        return;
+      }
+      if (!self.uploadUrl && self.enableResumableUpload) {
+        self._log(logs.noUploadUrl);
+        self.enableResumableUpload = false;
+        return;
+      }
+      opts.chunkSize = parseFloat(opts.chunkSize);
+      if (opts.chunkSize <= 0 || isNaN(opts.chunkSize)) {
+        self._log(logs.invalidChunkSize, { chunkSize: opts.chunkSize });
+        self.enableResumableUpload = false;
+        return;
+      }
+      rm = self.resumableManager = {
+        init: function (id, f, index) {
+          rm.logs = [];
+          rm.stack = [];
+          rm.error = "";
+          rm.id = id;
+          rm.file = f.file;
+          rm.fileName = f.name;
+          rm.fileIndex = index;
+          rm.completed = false;
+          rm.lastProgress = 0;
+          if (self.showPreview) {
+            rm.$thumb = fm.getThumb(id) || null;
+            rm.$progress = rm.$btnDelete = null;
+            if (rm.$thumb && rm.$thumb.length) {
+              rm.$progress = rm.$thumb.find(".file-thumb-progress");
+              rm.$btnDelete = rm.$thumb.find(".kv-file-remove");
+            }
+          }
+          rm.chunkSize = opts.chunkSize * self.bytesToKB;
+          rm.chunkCount = rm.getTotalChunks();
+        },
+        setAjaxError: function (jqXHR, textStatus, errorThrown, isTest) {
+          if (jqXHR.responseJSON && jqXHR.responseJSON.error) {
+            errorThrown = jqXHR.responseJSON.error.toString();
+          }
+          if (!isTest) {
+            rm.error = errorThrown;
+          }
+          if (opts.showErrorLog) {
+            self._log(logs.ajaxError, {
+              status: jqXHR.status,
+              error: errorThrown,
+              text: jqXHR.responseText || "",
+            });
+          }
         },
-        moveArray: function (arr, oldIndex, newIndex, reverseOrder) {
-            var newArr = $.extend(true, [], arr);
-            if (reverseOrder) {
-                newArr.reverse();
-            }
-            if (newIndex >= newArr.length) {
-                var k = newIndex - newArr.length;
-                while ((k--) + 1) {
-                    newArr.push(undefined);
+        reset: function () {
+          rm.stack = [];
+          rm.chunksProcessed = {};
+        },
+        setProcessed: function (status) {
+          var id = rm.id,
+            msg,
+            $thumb = rm.$thumb,
+            $prog = rm.$progress,
+            hasThumb = $thumb && $thumb.length,
+            params = { id: hasThumb ? $thumb.attr("id") : "", index: fm.getIndex(id), fileId: id },
+            tokens,
+            skipErrorsAndProceed = self.resumableUploadOptions.skipErrorsAndProceed;
+          rm.completed = true;
+          rm.lastProgress = 0;
+          if (hasThumb) {
+            $thumb.removeClass("file-uploading");
+          }
+          if (status === "success") {
+            fm.uploadedSize += rm.file.size;
+            if (self.showPreview) {
+              self._setProgress(101, $prog);
+              self._setThumbStatus($thumb, "Success");
+              self._initUploadSuccess(rm.chunksProcessed[id].data, $thumb);
+            }
+            fm.removeFile(id);
+            delete rm.chunksProcessed[id];
+            self._raise("fileuploaded", [params.id, params.index, params.fileId]);
+            if (fm.isProcessed()) {
+              self._setProgress(101);
+            }
+          } else {
+            if (status !== "cancel") {
+              if (self.showPreview) {
+                self._setThumbStatus($thumb, "Error");
+                self._setPreviewError($thumb, true);
+                self._setProgress(101, $prog, self.msgProgressError);
+                self._setProgress(101, self.$progress, self.msgProgressError);
+                self.cancelling = !skipErrorsAndProceed;
+              }
+              if (!self.$errorContainer.find('li[data-file-id="' + params.fileId + '"]').length) {
+                tokens = { file: rm.fileName, max: opts.maxRetries, error: rm.error };
+                msg = self.msgResumableUploadRetriesExceeded.setTokens(tokens);
+                $.extend(params, tokens);
+                self._showFileError(msg, params, "filemaxretries");
+                if (skipErrorsAndProceed) {
+                  fm.removeFile(id);
+                  delete rm.chunksProcessed[id];
+                  if (fm.isProcessed()) {
+                    self._setProgress(101);
+                  }
                 }
+              }
             }
-            newArr.splice(newIndex, 0, newArr.splice(oldIndex, 1)[0]);
-            if (reverseOrder) {
-                newArr.reverse();
-            }
-            return newArr;
-        },
-        closeButton: function (css) {
-            css = ($h.isBs(5) ? 'btn-close' : 'close') + (css ? ' ' + css : '');
-            return '<button type="button" class="' + css + '" aria-label="Close">\n' +
-                ($h.isBs(5) ? '' : '  <span aria-hidden="true">&times;</span>\n') +
-                '</button>';
-        },
-        getRotation: function (value) {
-            switch (value) {
-                case 2:
-                    return 'rotateY(180deg)';
-                case 3:
-                    return 'rotate(180deg)';
-                case 4:
-                    return 'rotate(180deg) rotateY(180deg)';
-                case 5:
-                    return 'rotate(270deg) rotateY(180deg)';
-                case 6:
-                    return 'rotate(90deg)';
-                case 7:
-                    return 'rotate(90deg) rotateY(180deg)';
-                case 8:
-                    return 'rotate(270deg)';
-                default:
-                    return '';
-            }
-        },
-        setTransform: function (el, val) {
-            if (!el) {
-                return;
-            }
-            el.style.transform = val;
-            el.style.webkitTransform = val;
-            el.style['-moz-transform'] = val;
-            el.style['-ms-transform'] = val;
-            el.style['-o-transform'] = val;
+          }
+          if (fm.isProcessed()) {
+            rm.reset();
+          }
         },
-        getObjectKeys: function (obj) {
-            var keys = [];
-            if (obj) {
-                $.each(obj, function (key) {
-                    keys.push(key);
-                });
-            }
-            return keys;
+        check: function () {
+          var status = true;
+          $.each(rm.logs, function (index, value) {
+            if (!value) {
+              status = false;
+              return false;
+            }
+          });
+        },
+        processedResumables: function () {
+          var logs = rm.logs,
+            i,
+            count = 0;
+          if (!logs || !logs.length) {
+            return 0;
+          }
+          for (i = 0; i < logs.length; i++) {
+            if (logs[i] === true) {
+              count++;
+            }
+          }
+          return count;
+        },
+        getUploadedSize: function () {
+          var size = rm.processedResumables() * rm.chunkSize;
+          return size > rm.file.size ? rm.file.size : size;
+        },
+        getTotalChunks: function () {
+          var chunkSize = parseFloat(rm.chunkSize);
+          if (!isNaN(chunkSize) && chunkSize > 0) {
+            return Math.ceil(rm.file.size / chunkSize);
+          }
+          return 0;
+        },
+        getProgress: function () {
+          var chunksProcessed = rm.processedResumables(),
+            total = rm.chunkCount;
+          if (total === 0) {
+            return 0;
+          }
+          return Math.ceil((chunksProcessed / total) * 100);
+        },
+        checkAborted: function (intervalId) {
+          if (self._isAborted()) {
+            clearInterval(intervalId);
+            self.unlock();
+          }
         },
-        getObjectSize: function (obj) {
-            return $h.getObjectKeys(obj).length;
+        upload: function () {
+          var ids = fm.getIdList(),
+            flag = "new",
+            intervalId;
+          intervalId = setInterval(function () {
+            var id;
+            rm.checkAborted(intervalId);
+            if (flag === "new") {
+              self.lock();
+              flag = "processing";
+              id = ids.shift();
+              fm.initStats(id);
+              if (fm.stack[id]) {
+                rm.init(id, fm.stack[id], fm.getIndex(id));
+                rm.processUpload();
+              }
+            }
+            if (!fm.isPending(id) && rm.completed) {
+              flag = "new";
+            }
+            if (fm.isProcessed()) {
+              var $initThumbs = self.$preview.find(".file-preview-initial");
+              if ($initThumbs.length) {
+                $h.addCss($initThumbs, $h.SORT_CSS);
+                self._initSortable();
+              }
+              clearInterval(intervalId);
+              self._clearFileInput();
+              self.unlock();
+              setTimeout(function () {
+                var data = self.previewCache.data;
+                if (data) {
+                  self.initialPreview = data.content;
+                  self.initialPreviewConfig = data.config;
+                  self.initialPreviewThumbTags = data.tags;
+                }
+                self._raise("filebatchuploadcomplete", [
+                  self.initialPreview,
+                  self.initialPreviewConfig,
+                  self.initialPreviewThumbTags,
+                  self._getExtraData(),
+                ]);
+              }, self.processDelay);
+            }
+          }, self.processDelay);
+        },
+        uploadResumable: function () {
+          var i,
+            pool,
+            tm = self.taskManager,
+            total = rm.chunkCount;
+          pool = tm.addPool(rm.id);
+          for (i = 0; i < total; i++) {
+            rm.logs[i] = !!(rm.chunksProcessed[rm.id] && rm.chunksProcessed[rm.id][i]);
+            if (!rm.logs[i]) {
+              rm.pushAjax(i, 0);
+            }
+          }
+          pool
+            .run(opts.maxThreads)
+            .done(function () {
+              rm.setProcessed("success");
+            })
+            .fail(function () {
+              rm.setProcessed(pool.cancelled ? "cancel" : "error");
+            });
         },
-        /**
-         * Small dependency injection for the task manager
-         * https://gist.github.com/fearphage/4341799
-         */
-        whenAll: function (array) {
-            var s = [].slice, resolveValues = arguments.length === 1 && $h.isArray(array) ? array : s.call(arguments),
-                deferred = $.Deferred(), i, failed = 0, value, length = resolveValues.length,
-                remaining = length, rejectContexts, rejectValues, resolveContexts, updateFunc;
-            rejectContexts = rejectValues = resolveContexts = Array(length);
-            updateFunc = function (index, contexts, values) {
-                return function () {
-                    if (values !== resolveValues) {
-                        failed++;
-                    }
-                    deferred.notifyWith(contexts[index] = this, values[index] = s.call(arguments));
-                    if (!(--remaining)) {
-                        deferred[(!failed ? 'resolve' : 'reject') + 'With'](contexts, values);
-                    }
-                };
+        processUpload: function () {
+          var fd,
+            f,
+            id = rm.id,
+            fnBefore,
+            fnSuccess,
+            fnError,
+            fnComplete,
+            outData;
+          if (!opts.testUrl) {
+            rm.uploadResumable();
+            return;
+          }
+          fd = new FormData();
+          f = fm.stack[id];
+          self._setUploadData(fd, {
+            fileId: id,
+            fileName: f.fileName,
+            fileSize: f.size,
+            fileRelativePath: f.relativePath,
+            chunkSize: rm.chunkSize,
+            chunkCount: rm.chunkCount,
+          });
+          fnBefore = function (jqXHR) {
+            outData = self._getOutData(fd, jqXHR);
+            self._raise("filetestbeforesend", [id, fm, rm, outData]);
+          };
+          fnSuccess = function (data, textStatus, jqXHR) {
+            outData = self._getOutData(fd, jqXHR, data);
+            var pNames = self.uploadParamNames,
+              chunksUploaded = pNames.chunksUploaded || "chunksUploaded",
+              params = [id, fm, rm, outData];
+            if (!data[chunksUploaded] || !$h.isArray(data[chunksUploaded])) {
+              self._raise("filetesterror", params);
+            } else {
+              if (!rm.chunksProcessed[id]) {
+                rm.chunksProcessed[id] = {};
+              }
+              $.each(data[chunksUploaded], function (key, index) {
+                rm.logs[index] = true;
+                rm.chunksProcessed[id][index] = true;
+              });
+              rm.chunksProcessed[id].data = data;
+              self._raise("filetestsuccess", params);
+            }
+            rm.uploadResumable();
+          };
+          fnError = function (jqXHR, textStatus, errorThrown) {
+            outData = self._getOutData(fd, jqXHR);
+            self._raise("filetestajaxerror", [id, fm, rm, outData]);
+            rm.setAjaxError(jqXHR, textStatus, errorThrown, true);
+            rm.uploadResumable();
+          };
+          fnComplete = function () {
+            self._raise("filetestcomplete", [id, fm, rm, self._getOutData(fd)]);
+          };
+          self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, fd, id, rm.fileIndex, opts.testUrl);
+        },
+        pushAjax: function (index, retry) {
+          var tm = self.taskManager,
+            pool = tm.getPool(rm.id);
+          pool.addTask(pool.size() + 1, function (deferrer) {
+            // use fifo chunk stack
+            var arr = rm.stack.shift(),
+              index;
+            index = arr[0];
+            if (!rm.chunksProcessed[rm.id] || !rm.chunksProcessed[rm.id][index]) {
+              rm.sendAjax(index, arr[1], deferrer);
+            } else {
+              self._log(logs.chunkQueueError, { index: index });
+            }
+          });
+          rm.stack.push([index, retry]);
+        },
+        sendAjax: function (index, retry, deferrer) {
+          var f,
+            chunkSize = rm.chunkSize,
+            id = rm.id,
+            file = rm.file,
+            $thumb = rm.$thumb,
+            msgs = $h.logMessages,
+            $btnDelete = rm.$btnDelete,
+            logError = function (msg, tokens) {
+              if (tokens) {
+                msg = msg.setTokens(tokens);
+              }
+              msg = msgs.resumableRequestError.setTokens({ msg: msg });
+              self._log(msg);
+              deferrer.reject(msg);
             };
-            for (i = 0; i < length; i++) {
-                if ((value = resolveValues[i]) && $.isFunction(value.promise)) {
-                    value.promise()
-                        .done(updateFunc(i, resolveContexts, resolveValues))
-                        .fail(updateFunc(i, rejectContexts, rejectValues));
-                } else {
-                    deferred.notifyWith(this, value);
-                    --remaining;
-                }
-            }
-            if (!remaining) {
-                deferred.resolveWith(resolveContexts, resolveValues);
-            }
-            return deferred.promise();
-        }
-    };
-    FileInput = function (element, options) {
-        var self = this;
-        self.$element = $(element);
-        self.$parent = self.$element.parent();
-        if (!self._validate()) {
+          if (rm.chunksProcessed[id] && rm.chunksProcessed[id][index]) {
             return;
+          }
+          if (retry > opts.maxRetries) {
+            logError(msgs.resumableMaxRetriesReached, { n: opts.maxRetries });
+            rm.setProcessed("error");
+            return;
+          }
+          var fd,
+            outData,
+            fnBefore,
+            fnSuccess,
+            fnError,
+            fnComplete,
+            slice = file.slice ? "slice" : file.mozSlice ? "mozSlice" : file.webkitSlice ? "webkitSlice" : "slice",
+            blob = file[slice](chunkSize * index, chunkSize * (index + 1));
+          fd = new FormData();
+          f = fm.stack[id];
+          self._setUploadData(fd, {
+            chunkCount: rm.chunkCount,
+            chunkIndex: index,
+            chunkSize: chunkSize,
+            chunkSizeStart: chunkSize * index,
+            fileBlob: [blob, rm.fileName],
+            fileId: id,
+            fileName: rm.fileName,
+            fileRelativePath: f.relativePath,
+            fileSize: file.size,
+            retryCount: retry,
+          });
+          if (rm.$progress && rm.$progress.length) {
+            rm.$progress.show();
+          }
+          fnBefore = function (jqXHR) {
+            outData = self._getOutData(fd, jqXHR);
+            if (self.showPreview) {
+              if (!$thumb.hasClass("file-preview-success")) {
+                self._setThumbStatus($thumb, "Loading");
+                $h.addCss($thumb, "file-uploading");
+              }
+              $btnDelete.attr("disabled", true);
+            }
+            self._raise("filechunkbeforesend", [id, index, retry, fm, rm, outData]);
+          };
+          fnSuccess = function (data, textStatus, jqXHR) {
+            if (self._isAborted()) {
+              logError(msgs.resumableAborting);
+              return;
+            }
+            outData = self._getOutData(fd, jqXHR, data);
+            var paramNames = self.uploadParamNames,
+              chunkIndex = paramNames.chunkIndex || "chunkIndex",
+              params = [id, index, retry, fm, rm, outData];
+            if (data.error) {
+              if (opts.showErrorLog) {
+                self._log(logs.retryStatus, {
+                  retry: retry + 1,
+                  filename: rm.fileName,
+                  chunk: index,
+                });
+              }
+              self._raise("filechunkerror", params);
+              rm.pushAjax(index, retry + 1);
+              rm.error = data.error;
+              logError(data.error);
+            } else {
+              rm.logs[data[chunkIndex]] = true;
+              if (!rm.chunksProcessed[id]) {
+                rm.chunksProcessed[id] = {};
+              }
+              rm.chunksProcessed[id][data[chunkIndex]] = true;
+              rm.chunksProcessed[id].data = data;
+              deferrer.resolve.call(null, data);
+              self._raise("filechunksuccess", params);
+              rm.check();
+            }
+          };
+          fnError = function (jqXHR, textStatus, errorThrown) {
+            if (self._isAborted()) {
+              logError(msgs.resumableAborting);
+              return;
+            }
+            outData = self._getOutData(fd, jqXHR);
+            rm.setAjaxError(jqXHR, textStatus, errorThrown);
+            self._raise("filechunkajaxerror", [id, index, retry, fm, rm, outData]);
+            rm.pushAjax(index, retry + 1); // push another task
+            logError(msgs.resumableRetryError, { n: retry - 1 }); // resolve the current task
+          };
+          fnComplete = function () {
+            if (!self._isAborted()) {
+              self._raise("filechunkcomplete", [id, index, retry, fm, rm, self._getOutData(fd)]);
+            }
+          };
+          self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, fd, id, rm.fileIndex);
+        },
+      };
+      rm.reset();
+    },
+    _initTemplateDefaults: function () {
+      var self = this,
+        tMain1,
+        tMain2,
+        tPreview,
+        tFileIcon,
+        tClose,
+        tCaption,
+        tBtnDefault,
+        tBtnLink,
+        tBtnBrowse,
+        tModalMain,
+        tModal,
+        tProgress,
+        tSize,
+        tFooter,
+        tActions,
+        tActionDelete,
+        tActionUpload,
+        tActionDownload,
+        tActionZoom,
+        tActionDrag,
+        tIndicator,
+        tTagBef,
+        tTagBef1,
+        tTagBef2,
+        tTagAft,
+        tGeneric,
+        tHtml,
+        tImage,
+        tText,
+        tOffice,
+        tGdocs,
+        tVideo,
+        tAudio,
+        tFlash,
+        tObject,
+        tPdf,
+        tOther,
+        tStyle,
+        tZoomCache,
+        vDefaultDim,
+        tActionRotate,
+        tStats,
+        tModalLabel,
+        tDescClose,
+        renderObject = function (type, mime) {
+          return (
+            '<object class="kv-preview-data file-preview-' +
+            type +
+            '" title="{caption}" ' +
+            'data="{data}" type="' +
+            mime +
+            '"' +
+            tStyle +
+            ">\n" +
+            $h.DEFAULT_PREVIEW +
+            "\n</object>\n"
+          );
+        },
+        defBtnCss1 = "btn btn-sm btn-kv " + $h.defaultButtonCss();
+      tMain1 =
+        "{preview}\n" +
+        '<div class="kv-upload-progress kv-hidden"></div><div class="clearfix"></div>\n' +
+        '<div class="file-caption {class}">\n' +
+        '  <div class="input-group {inputGroupClass}">\n' +
+        '      {caption}\n<span class="file-caption-icon"></span>\n' +
+        ($h.isBs(5) ? "" : '<div class="input-group-btn input-group-append">\n') +
+        "      {remove}\n" +
+        "      {cancel}\n" +
+        "      {pause}\n" +
+        "      {upload}\n" +
+        "      {browse}\n" +
+        ($h.isBs(5) ? "" : "    </div>\n") +
+        "  </div>";
+      ("</div>");
+      tMain2 =
+        '{preview}\n<div class="kv-upload-progress kv-hidden"></div>\n<div class="clearfix"></div>\n' +
+        '<span class="{class}">{remove}\n{cancel}\n{upload}\n{browse}\n</span>';
+      tPreview =
+        '<div class="file-preview {class}">\n' +
+        "  {close}" +
+        '  <div class="{dropClass} clearfix">\n' +
+        '    <div class="file-preview-thumbnails clearfix">\n' +
+        "    </div>\n" +
+        '    <div class="file-preview-status text-center text-success"></div>\n' +
+        '    <div class="kv-fileinput-error"></div>\n' +
+        "  </div>\n" +
+        "</div>";
+      tClose = $h.closeButton("fileinput-remove");
+      tFileIcon = '<i class="glyphicon glyphicon-file"></i>';
+      // noinspection HtmlUnknownAttribute
+      tCaption = '<input readonly class="file-caption-name form-control {class}">\n';
+      //noinspection HtmlUnknownAttribute
+      tBtnDefault =
+        '<button type="{type}" title="{title}" class="{css}" ' + "{status} {tabIndexConfig}>{icon} {label}</button>";
+      //noinspection HtmlUnknownTarget,HtmlUnknownAttribute
+      tBtnLink = '<a href="{href}" title="{title}" class="{css}" {status} {tabIndexConfig}>{icon} {label}</a>';
+      //noinspection HtmlUnknownAttribute
+      tBtnBrowse = '<div class="{css}" {status} {tabIndexConfig}>{icon} {label}</div>';
+      tModalLabel = $h.MODAL_ID + "Label";
+      tModalMain =
+        '<div id="' +
+        $h.MODAL_ID +
+        '" class="file-zoom-dialog modal fade" ' +
+        'aria-labelledby="' +
+        tModalLabel +
+        '" {tabIndexConfig}></div>';
+      tModal =
+        '<div class="modal-dialog modal-lg{rtl}" role="document">\n' +
+        '  <div class="modal-content">\n' +
+        '    <div class="modal-header kv-zoom-header">\n' +
+        '      <h6 class="modal-title kv-zoom-title" id="' +
+        tModalLabel +
+        '"><span class="kv-zoom-caption"></span> <span class="kv-zoom-size"></span></h6>\n' +
+        '      <div class="kv-zoom-actions">{toggleheader}{fullscreen}{borderless}{close}</div>\n' +
+        "    </div>\n" +
+        '    <div class="floating-buttons"></div>\n' +
+        '    <div class="kv-zoom-body file-zoom-content {zoomFrameClass}"></div>\n' +
+        "{prev} {next}\n" +
+        '    <div class="kv-zoom-description"></div>\n' +
+        "  </div>\n" +
+        "</div>\n";
+      tDescClose = '<button type="button" class="kv-desc-hide" aria-label="Close">{closeIcon}</button>';
+      tProgress =
+        '<div class="progress">\n' +
+        '    <div class="{class}" role="progressbar"' +
+        ' aria-valuenow="{percent}" aria-valuemin="0" aria-valuemax="100" style="width:{percent}%;">\n' +
+        "        {status}\n" +
+        "     </div>\n" +
+        "</div>{stats}";
+      tStats =
+        '<div class="text-primary file-upload-stats">' +
+        '<span class="pending-time">{pendingTime}</span> ' +
+        '<span class="upload-speed">{uploadSpeed}</span>' +
+        "</div>";
+      tSize = " <samp>({sizeText})</samp>";
+      tFooter =
+        '<div class="file-thumbnail-footer">\n' +
+        '    <div class="file-footer-caption" title="{caption}">\n' +
+        '        <div class="file-caption-info">{caption}</div>\n' +
+        '        <div class="file-size-info">{size}</div>\n' +
+        "    </div>\n" +
+        "    {progress}\n{indicator}\n{actions}\n" +
+        "</div>";
+      tActions =
+        '<div class="file-actions">\n' +
+        '    <div class="file-footer-buttons">\n' +
+        "        {rotate} {download} {upload} {delete} {zoom} {other}" +
+        "    </div>\n" +
+        "</div>\n" +
+        "{drag}\n" +
+        '<div class="clearfix"></div>';
+      //noinspection HtmlUnknownAttribute
+      tActionDelete =
+        '<button type="button" class="kv-file-remove {removeClass}" ' +
+        'title="{removeTitle}" {dataUrl}{dataKey}>{removeIcon}</button>\n';
+      tActionUpload =
+        '<button type="button" class="kv-file-upload {uploadClass}" title="{uploadTitle}">' + "{uploadIcon}</button>";
+      tActionRotate =
+        '<button type="button" class="kv-file-rotate {rotateClass}" title="{rotateTitle}">' + "{rotateIcon}</button>";
+      tActionDownload =
+        '<a class="kv-file-download {downloadClass}" title="{downloadTitle}" ' +
+        'href="{downloadUrl}" download="{caption}" target="_blank">{downloadIcon}</a>';
+      tActionZoom =
+        '<button type="button" class="kv-file-zoom {zoomClass}" ' + 'title="{zoomTitle}">{zoomIcon}</button>';
+      tActionDrag = '<span class="file-drag-handle {dragClass}" title="{dragTitle}">{dragIcon}</span>';
+      tIndicator = '<div class="file-upload-indicator" title="{indicatorTitle}">{indicator}</div>';
+      tTagBef =
+        '<div class="file-preview-frame {frameClass}" id="{previewId}" data-fileindex="{fileindex}"' +
+        ' data-fileid="{fileid}" data-filename="{filename}" data-template="{template}" data-zoom="{zoomData}"';
+      tTagBef1 = tTagBef + '><div class="kv-file-content">\n';
+      tTagBef2 = tTagBef + ' title="{caption}"><div class="kv-file-content">\n';
+      tTagAft = "</div>{footer}\n{zoomCache}</div>\n";
+      tGeneric = "{content}\n";
+      tStyle = " {style}";
+      tHtml = renderObject("html", "text/html");
+      tText = renderObject("text", "text/plain;charset=UTF-8");
+      tPdf = renderObject("pdf", "application/pdf");
+      tImage =
+        '<img src="{data}" class="file-preview-image kv-preview-data" title="{title}" alt="{alt}"' + tStyle + ">\n";
+      tOffice =
+        '<iframe class="kv-preview-data file-preview-office" ' +
+        'src="https://view.officeapps.live.com/op/embed.aspx?src={data}"' +
+        tStyle +
+        "></iframe>";
+      tGdocs =
+        '<iframe class="kv-preview-data file-preview-gdocs" ' +
+        'src="https://docs.google.com/gview?url={data}&embedded=true"' +
+        tStyle +
+        "></iframe>";
+      tVideo =
+        '<video class="kv-preview-data file-preview-video" controls' +
+        tStyle +
+        ">\n" +
+        '<source src="{data}" type="{type}">\n' +
+        $h.DEFAULT_PREVIEW +
+        "\n</video>\n";
+      tAudio =
+        '<!--suppress ALL --><audio class="kv-preview-data file-preview-audio" controls' +
+        tStyle +
+        '>\n<source src="{data}" ' +
+        'type="{type}">\n' +
+        $h.DEFAULT_PREVIEW +
+        "\n</audio>\n";
+      tFlash =
+        '<embed class="kv-preview-data file-preview-flash" src="{data}" type="application/x-shockwave-flash"' +
+        tStyle +
+        ">\n";
+      tObject =
+        '<object class="kv-preview-data file-preview-object file-object {typeCss}" ' +
+        'data="{data}" type="{type}"' +
+        tStyle +
+        ">\n" +
+        '<param name="movie" value="{caption}" />\n' +
+        $h.OBJECT_PARAMS +
+        " " +
+        $h.DEFAULT_PREVIEW +
+        "\n</object>\n";
+      tOther =
+        '<div class="kv-preview-data file-preview-other-frame"' + tStyle + ">\n" + $h.DEFAULT_PREVIEW + "\n</div>\n";
+      tZoomCache = '<div class="kv-zoom-cache">{zoomContent}</div>';
+      vDefaultDim = { width: "100%", height: "100%", "min-height": "480px" };
+      if (self._isPdfRendered()) {
+        tPdf = self.pdfRendererTemplate.replace("{renderer}", self._encodeURI(self.pdfRendererUrl));
+      }
+      self.defaults = {
+        layoutTemplates: {
+          main1: tMain1,
+          main2: tMain2,
+          preview: tPreview,
+          close: tClose,
+          fileIcon: tFileIcon,
+          caption: tCaption,
+          modalMain: tModalMain,
+          modal: tModal,
+          descriptionClose: tDescClose,
+          progress: tProgress,
+          stats: tStats,
+          size: tSize,
+          footer: tFooter,
+          indicator: tIndicator,
+          actions: tActions,
+          actionDelete: tActionDelete,
+          actionRotate: tActionRotate,
+          actionUpload: tActionUpload,
+          actionDownload: tActionDownload,
+          actionZoom: tActionZoom,
+          actionDrag: tActionDrag,
+          btnDefault: tBtnDefault,
+          btnLink: tBtnLink,
+          btnBrowse: tBtnBrowse,
+          zoomCache: tZoomCache,
+        },
+        previewMarkupTags: {
+          tagBefore1: tTagBef1,
+          tagBefore2: tTagBef2,
+          tagAfter: tTagAft,
+        },
+        previewContentTemplates: {
+          generic: tGeneric,
+          html: tHtml,
+          image: tImage,
+          text: tText,
+          office: tOffice,
+          gdocs: tGdocs,
+          video: tVideo,
+          audio: tAudio,
+          flash: tFlash,
+          object: tObject,
+          pdf: tPdf,
+          other: tOther,
+        },
+        allowedPreviewTypes: ["image", "html", "text", "video", "audio", "flash", "pdf", "object"],
+        previewTemplates: {},
+        previewSettings: {
+          image: { width: "auto", height: "auto", "max-width": "100%", "max-height": "100%" },
+          html: { width: "213px", height: "160px" },
+          text: { width: "213px", height: "160px" },
+          office: { width: "213px", height: "160px" },
+          gdocs: { width: "213px", height: "160px" },
+          video: { width: "213px", height: "160px" },
+          audio: { width: "100%", height: "30px" },
+          flash: { width: "213px", height: "160px" },
+          object: { width: "213px", height: "160px" },
+          pdf: { width: "100%", height: "160px", position: "relative" },
+          other: { width: "213px", height: "160px" },
+        },
+        previewSettingsSmall: {
+          image: { width: "auto", height: "auto", "max-width": "100%", "max-height": "100%" },
+          html: { width: "100%", height: "160px" },
+          text: { width: "100%", height: "160px" },
+          office: { width: "100%", height: "160px" },
+          gdocs: { width: "100%", height: "160px" },
+          video: { width: "100%", height: "auto" },
+          audio: { width: "100%", height: "30px" },
+          flash: { width: "100%", height: "auto" },
+          object: { width: "100%", height: "auto" },
+          pdf: { width: "100%", height: "160px" },
+          other: { width: "100%", height: "160px" },
+        },
+        previewZoomSettings: {
+          image: { width: "auto", height: "auto", "max-width": "100%", "max-height": "100%" },
+          html: vDefaultDim,
+          text: vDefaultDim,
+          office: { width: "100%", height: "100%", "max-width": "100%", "min-height": "480px" },
+          gdocs: { width: "100%", height: "100%", "max-width": "100%", "min-height": "480px" },
+          video: { width: "auto", height: "100%", "max-width": "100%" },
+          audio: { width: "100%", height: "30px" },
+          flash: { width: "auto", height: "480px" },
+          object: { width: "auto", height: "100%", "max-width": "100%", "min-height": "480px" },
+          pdf: vDefaultDim,
+          other: { width: "auto", height: "100%", "min-height": "480px" },
+        },
+        mimeTypeAliases: {
+          "video/quicktime": "video/mp4",
+        },
+        fileTypeSettings: {
+          image: function (vType, vName) {
+            return (
+              ($h.compare(vType, "image.*") && !$h.compare(vType, /(tiff?|wmf)$/i)) ||
+              $h.compare(vName, /\.(gif|png|jpe?g)$/i)
+            );
+          },
+          html: function (vType, vName) {
+            return $h.compare(vType, "text/html") || $h.compare(vName, /\.(htm|html)$/i);
+          },
+          office: function (vType, vName) {
+            return (
+              $h.compare(vType, /(word|excel|powerpoint|office)$/i) ||
+              $h.compare(vName, /\.(docx?|xlsx?|pptx?|pps|potx?)$/i)
+            );
+          },
+          gdocs: function (vType, vName) {
+            return (
+              $h.compare(vType, /(word|excel|powerpoint|office|iwork-pages|tiff?)$/i) ||
+              $h.compare(vName, /\.(docx?|xlsx?|pptx?|pps|potx?|rtf|ods|odt|pages|ai|dxf|ttf|tiff?|wmf|e?ps)$/i)
+            );
+          },
+          text: function (vType, vName) {
+            return (
+              $h.compare(vType, "text.*") ||
+              $h.compare(vName, /\.(xml|javascript)$/i) ||
+              $h.compare(vName, /\.(txt|md|nfo|ini|json|php|js|css)$/i)
+            );
+          },
+          video: function (vType, vName) {
+            return (
+              $h.compare(vType, "video.*") &&
+              ($h.compare(vType, /(ogg|mp4|mp?g|mov|webm|3gp)$/i) ||
+                $h.compare(vName, /\.(og?|mp4|webm|mp?g|mov|3gp)$/i))
+            );
+          },
+          audio: function (vType, vName) {
+            return (
+              $h.compare(vType, "audio.*") &&
+              ($h.compare(vName, /(ogg|mp3|mp?g|wav)$/i) || $h.compare(vName, /\.(og?|mp3|mp?g|wav)$/i))
+            );
+          },
+          flash: function (vType, vName) {
+            return $h.compare(vType, "application/x-shockwave-flash", true) || $h.compare(vName, /\.(swf)$/i);
+          },
+          pdf: function (vType, vName) {
+            return $h.compare(vType, "application/pdf", true) || $h.compare(vName, /\.(pdf)$/i);
+          },
+          object: function () {
+            return true;
+          },
+          other: function () {
+            return true;
+          },
+        },
+        fileActionSettings: {
+          showRemove: true,
+          showUpload: true,
+          showDownload: true,
+          showZoom: true,
+          showDrag: true,
+          showRotate: false,
+          removeIcon: '<i class="glyphicon glyphicon-trash"></i>',
+          removeClass: defBtnCss1,
+          removeErrorClass: "btn btn-sm btn-kv btn-danger",
+          removeTitle: "Remove file",
+          uploadIcon: '<i class="glyphicon glyphicon-upload"></i>',
+          uploadClass: defBtnCss1,
+          uploadTitle: "Upload file",
+          uploadRetryIcon: '<i class="glyphicon glyphicon-repeat"></i>',
+          uploadRetryTitle: "Retry upload",
+          downloadIcon: '<i class="glyphicon glyphicon-download"></i>',
+          downloadClass: defBtnCss1,
+          downloadTitle: "Download file",
+          rotateIcon: '<i class="glyphicon glyphicon-repeat"></i>',
+          rotateClass: defBtnCss1,
+          rotateTitle: "Rotate 90 deg. clockwise",
+          zoomIcon: '<i class="glyphicon glyphicon-zoom-in"></i>',
+          zoomClass: defBtnCss1,
+          zoomTitle: "View Details",
+          dragIcon: '<i class="glyphicon glyphicon-move"></i>',
+          dragClass: "text-primary",
+          dragTitle: "Move / Rearrange",
+          dragSettings: {},
+          indicatorNew: '<i class="glyphicon glyphicon-plus-sign text-warning"></i>',
+          indicatorSuccess: '<i class="glyphicon glyphicon-ok-sign text-success"></i>',
+          indicatorError: '<i class="glyphicon glyphicon-exclamation-sign text-danger"></i>',
+          indicatorLoading: '<i class="glyphicon glyphicon-hourglass text-muted"></i>',
+          indicatorPaused: '<i class="glyphicon glyphicon-pause text-primary"></i>',
+          indicatorNewTitle: "Not uploaded yet",
+          indicatorSuccessTitle: "Uploaded",
+          indicatorErrorTitle: "Upload Error",
+          indicatorLoadingTitle: "Uploading &hellip;",
+          indicatorPausedTitle: "Upload Paused",
+        },
+      };
+      $.each(self.defaults, function (key, setting) {
+        if (key === "allowedPreviewTypes") {
+          if (self.allowedPreviewTypes === undefined) {
+            self.allowedPreviewTypes = setting;
+          }
+          return;
         }
-        self.isPreviewable = $h.hasFileAPISupport();
-        self.isIE9 = $h.isIE(9);
-        self.isIE10 = $h.isIE(10);
-        if (self.isPreviewable || self.isIE9) {
-            self._init(options);
-            self._listen();
+        self[key] = $.extend(true, {}, setting, self[key]);
+      });
+      self._initPreviewTemplates();
+    },
+    _initPreviewTemplates: function () {
+      var self = this,
+        tags = self.previewMarkupTags,
+        tagBef,
+        tagAft = tags.tagAfter;
+      $.each(self.previewContentTemplates, function (key, value) {
+        if ($h.isEmpty(self.previewTemplates[key])) {
+          tagBef = tags.tagBefore2;
+          if (key === "generic" || key === "image") {
+            tagBef = tags.tagBefore1;
+          }
+          if (self._isPdfRendered() && key === "pdf") {
+            tagBef = tagBef.replace("kv-file-content", "kv-file-content kv-pdf-rendered");
+          }
+          self.previewTemplates[key] = tagBef + value + tagAft;
         }
-        self.$element.removeClass('file-loading');
-    };
-
-    FileInput.prototype = {
-        constructor: FileInput,
-        _cleanup: function () {
-            var self = this;
-            self.reader = null;
-            self.clearFileStack();
-            self.fileBatchCompleted = true;
-            self.isError = false;
-            self.isDuplicateError = false;
-            self.isPersistentError = false;
-            self.cancelling = false;
-            self.paused = false;
-            self.lastProgress = 0;
-            self._initAjax();
-        },
-        _isAborted: function () {
-            var self = this;
-            return self.cancelling || self.paused;
-        },
-        _initAjax: function () {
-            var self = this, tm = self.taskManager = {
-                pool: {},
-                addPool: function (id) {
-                    return (tm.pool[id] = new tm.TasksPool(id));
-                },
-                getPool: function (id) {
-                    return tm.pool[id];
-                },
-                addTask: function (id, logic) { // add standalone task directly from task manager
-                    return new tm.Task(id, logic);
-                },
-                TasksPool: function (id) {
-                    var tp = this;
-                    tp.id = id;
-                    tp.cancelled = false;
-                    tp.cancelledDeferrer = $.Deferred();
-                    tp.tasks = {};
-                    tp.addTask = function (id, logic) {
-                        return (tp.tasks[id] = new tm.Task(id, logic));
-                    };
-                    tp.size = function () {
-                        return $h.getObjectSize(tp.tasks);
-                    };
-                    tp.run = function (maxThreads) {
-                        var i = 0, failed = false, task, tasksList = $h.getObjectKeys(tp.tasks).map(function (key) {
-                            return tp.tasks[key];
-                        }), tasksDone = [], deferred = $.Deferred(), enqueue, callback;
-
-                        if (tp.cancelled) {
-                            tp.cancelledDeferrer.resolve();
-                            return deferred.reject();
-                        }
-                        // if run all at once
-                        if (!maxThreads) {
-                            var tasksDeferredList = $h.getObjectKeys(tp.tasks).map(function (key) {
-                                return tp.tasks[key].deferred;
-                            });
-                            // when all are done
-                            $h.whenAll(tasksDeferredList).done(function () {
-                                var argv = $h.getArray(arguments);
-                                if (!tp.cancelled) {
-                                    deferred.resolve.apply(null, argv);
-                                    tp.cancelledDeferrer.reject();
-                                } else {
-                                    deferred.reject.apply(null, argv);
-                                    tp.cancelledDeferrer.resolve();
-                                }
-                            }).fail(function () {
-                                var argv = $h.getArray(arguments);
-                                deferred.reject.apply(null, argv);
-                                if (!tp.cancelled) {
-                                    tp.cancelledDeferrer.reject();
-                                } else {
-                                    tp.cancelledDeferrer.resolve();
-                                }
-                            });
-                            // run all tasks
-                            $.each(tp.tasks, function (id) {
-                                task = tp.tasks[id];
-                                task.run();
-                            });
-                            return deferred;
-                        }
-                        enqueue = function (task) {
-                            $.when(task.deferred)
-                                .fail(function () {
-                                    failed = true;
-                                    callback.apply(null, arguments);
-                                })
-                                .always(callback);
-                        };
-                        callback = function () {
-                            var argv = $h.getArray(arguments);
-                            // notify a task just ended
-                            deferred.notify(argv);
-                            tasksDone.push(argv);
-                            if (tp.cancelled) {
-                                deferred.reject.apply(null, tasksDone);
-                                tp.cancelledDeferrer.resolve();
-                                return;
-                            }
-                            if (tasksDone.length === tp.size()) {
-                                if (failed) {
-                                    deferred.reject.apply(null, tasksDone);
-                                } else {
-                                    deferred.resolve.apply(null, tasksDone);
-                                }
-                            }
-                            // if there are any tasks remaining
-                            if (tasksList.length) {
-                                task = tasksList.shift();
-                                enqueue(task);
-                                task.run();
-                            }
-                        };
-                        // run the first "maxThreads" tasks
-                        while (tasksList.length && i++ < maxThreads) {
-                            task = tasksList.shift();
-                            enqueue(task);
-                            task.run();
-                        }
-                        return deferred;
-                    };
-                    tp.cancel = function () {
-                        tp.cancelled = true;
-                        return tp.cancelledDeferrer;
-                    };
-                },
-                Task: function (id, logic) {
-                    var tk = this;
-                    tk.id = id;
-                    tk.deferred = $.Deferred();
-                    tk.logic = logic;
-                    tk.context = null;
-                    tk.run = function () {
-                        var argv = $h.getArray(arguments);
-                        argv.unshift(tk.deferred);     // add deferrer as first argument
-                        logic.apply(tk.context, argv); // run task
-                        return tk.deferred;            // return deferrer
-                    };
-                    tk.runWithContext = function (context) {
-                        tk.context = context;
-                        return tk.run();
-                    };
-                }
+      });
+    },
+    _initPreviewCache: function () {
+      var self = this;
+      self.previewCache = {
+        data: {},
+        init: function () {
+          var content = self.initialPreview;
+          if (content.length > 0 && !$h.isArray(content)) {
+            content = content.split(self.initialPreviewDelimiter);
+          }
+          self.previewCache.data = {
+            content: content,
+            config: self.initialPreviewConfig,
+            tags: self.initialPreviewThumbTags,
+          };
+        },
+        count: function (skipNull) {
+          if (!self.previewCache.data || !self.previewCache.data.content) {
+            return 0;
+          }
+          if (skipNull) {
+            var chk = self.previewCache.data.content.filter(function (n) {
+              return n !== null;
+            });
+            return chk.length;
+          }
+          return self.previewCache.data.content.length;
+        },
+        get: function (i, isDisabled) {
+          var ind = $h.INIT_FLAG + i,
+            data = self.previewCache.data,
+            config = data.config[i],
+            content = data.content[i],
+            out,
+            $tmp,
+            cat,
+            ftr,
+            fname,
+            ftype,
+            frameClass,
+            asData = $h.ifSet("previewAsData", config, self.initialPreviewAsData),
+            a = config ? { title: config.title || null, alt: config.alt || null } : { title: null, alt: null },
+            parseTemplate = function (cat, dat, fname, ftype, ftr, ind, fclass, t) {
+              var fc = " file-preview-initial " + $h.SORT_CSS + (fclass ? " " + fclass : ""),
+                id = self.previewInitId + "-" + ind,
+                fileId = (config && config.fileId) || id;
+              /** @namespace config.zoomData */
+              return self._generatePreviewTemplate(
+                cat,
+                dat,
+                fname,
+                ftype,
+                id,
+                fileId,
+                false,
+                null,
+                null,
+                fc,
+                ftr,
+                ind,
+                t,
+                a,
+                (config && config.zoomData) || dat
+              );
             };
-            self.ajaxQueue = [];
-            self.ajaxRequests = [];
-            self.ajaxPool = null;
-            self.ajaxAborted = false;
-        },
-        _init: function (options, refreshMode) {
-            var self = this, f, $el = self.$element, $cont, t, tmp;
-            self.options = options;
-            self.zoomPlaceholder = $h.getZoomPlaceholder();
-            self.canOrientImage = $h.canOrientImage($el);
-            $.each(options, function (key, value) {
-                switch (key) {
-                    case 'minFileCount':
-                    case 'maxFileCount':
-                    case 'maxTotalFileCount':
-                    case 'minFileSize':
-                    case 'maxFileSize':
-                    case 'maxFilePreviewSize':
-                    case 'resizeQuality':
-                    case 'resizeIfSizeMoreThan':
-                    case 'progressUploadThreshold':
-                    case 'initialPreviewCount':
-                    case 'zoomModalHeight':
-                    case 'minImageHeight':
-                    case 'maxImageHeight':
-                    case 'minImageWidth':
-                    case 'maxImageWidth':
-                    case 'bytesToKB':
-                        self[key] = $h.getNum(value);
-                        break;
-                    default:
-                        self[key] = value;
-                        break;
-                }
+          if (!content || !content.length) {
+            return "";
+          }
+          isDisabled = isDisabled === undefined ? true : isDisabled;
+          cat = $h.ifSet("type", config, self.initialPreviewFileType || "generic");
+          fname = $h.ifSet("filename", config, $h.ifSet("caption", config));
+          ftype = $h.ifSet("filetype", config, cat);
+          ftr = self.previewCache.footer(i, isDisabled, (config && config.size) || null);
+          frameClass = $h.ifSet("frameClass", config);
+          if (asData) {
+            out = parseTemplate(cat, content, fname, ftype, ftr, ind, frameClass);
+          } else {
+            out = parseTemplate("generic", content, fname, ftype, ftr, ind, frameClass, cat).setTokens({
+              content: data.content[i],
             });
-            if (!self.bytesToKB || self.bytesToKB <= 0) {
-                self.bytesToKB = 1024;
-            }
-            if (self.errorCloseButton === undefined) {
-                self.errorCloseButton = $h.closeButton('kv-error-close' + ($h.isBs(5) ? '  float-end' : ''));
-            }
-            if (self.maxTotalFileCount > 0 && self.maxTotalFileCount < self.maxFileCount) {
-                self.maxTotalFileCount = self.maxFileCount;
-            }
-            if (self.rtl) { // swap buttons for rtl
-                tmp = self.previewZoomButtonIcons.prev;
-                self.previewZoomButtonIcons.prev = self.previewZoomButtonIcons.next;
-                self.previewZoomButtonIcons.next = tmp;
-            }
-            // validate chunk threads to not exceed maxAjaxThreads
-            if (!isNaN(self.maxAjaxThreads) && self.maxAjaxThreads < self.resumableUploadOptions.maxThreads) {
-                self.resumableUploadOptions.maxThreads = self.maxAjaxThreads;
-            }
-            self._initFileManager();
-            if (typeof self.autoOrientImage === 'function') {
-                self.autoOrientImage = self.autoOrientImage();
-            }
-            if (typeof self.autoOrientImageInitial === 'function') {
-                self.autoOrientImageInitial = self.autoOrientImageInitial();
-            }
-            if (!refreshMode) {
-                self._cleanup();
-            }
-            self.duplicateErrors = [];
-            self.$form = $el.closest('form');
-            self._initTemplateDefaults();
-            self.uploadFileAttr = !$h.isEmpty($el.attr('name')) ? $el.attr('name') : 'file_data';
-            t = self._getLayoutTemplate('progress');
-            self.progressTemplate = t.replace('{class}', self.progressClass);
-            self.progressInfoTemplate = t.replace('{class}', self.progressInfoClass);
-            self.progressPauseTemplate = t.replace('{class}', self.progressPauseClass);
-            self.progressCompleteTemplate = t.replace('{class}', self.progressCompleteClass);
-            self.progressErrorTemplate = t.replace('{class}', self.progressErrorClass);
-            self.isDisabled = $el.attr('disabled') || $el.attr('readonly');
-            if (self.isDisabled) {
-                $el.attr('disabled', true);
-            }
-            self.isClickable = self.browseOnZoneClick && self.showPreview &&
-                (self.dropZoneEnabled || !$h.isEmpty(self.defaultPreviewContent));
-            self.isAjaxUpload = $h.hasFileUploadSupport() && !$h.isEmpty(self.uploadUrl);
-            self.dropZoneEnabled = $h.hasDragDropSupport() && self.dropZoneEnabled;
-            if (!self.isAjaxUpload) {
-                self.dropZoneEnabled = self.dropZoneEnabled && $h.canAssignFilesToInput();
-            }
-            self.slug = typeof options.slugCallback === 'function' ? options.slugCallback : self._slugDefault;
-            self.mainTemplate = self.showCaption ? self._getLayoutTemplate('main1') : self._getLayoutTemplate('main2');
-            self.captionTemplate = self._getLayoutTemplate('caption');
-            self.previewGenericTemplate = self._getPreviewTemplate('generic');
-            if (!self.imageCanvas && self.resizeImage && (self.maxImageWidth || self.maxImageHeight)) {
-                self.imageCanvas = document.createElement('canvas');
-                self.imageCanvasContext = self.imageCanvas.getContext('2d');
-            }
-            if ($h.isEmpty($el.attr('id'))) {
-                $el.attr('id', $h.uniqId());
-            }
-            self.namespace = '.fileinput_' + $el.attr('id').replace(/-/g, '_');
-            if (self.$container === undefined) {
-                self.$container = self._createContainer();
-            } else {
-                self._refreshContainer();
-            }
-            $cont = self.$container;
-            self.$dropZone = $cont.find('.file-drop-zone');
-            self.$progress = $cont.find('.kv-upload-progress');
-            self.$btnUpload = $cont.find('.fileinput-upload');
-            self.$captionContainer = $h.getElement(options, 'elCaptionContainer', $cont.find('.file-caption'));
-            self.$caption = $h.getElement(options, 'elCaptionText', $cont.find('.file-caption-name'));
-            if (!$h.isEmpty(self.msgPlaceholder)) {
-                f = $el.attr('multiple') ? self.filePlural : self.fileSingle;
-                self.$caption.attr('placeholder', self.msgPlaceholder.replace('{files}', f));
-            }
-            self.$captionIcon = self.$captionContainer.find('.file-caption-icon');
-            self.$previewContainer = $h.getElement(options, 'elPreviewContainer', $cont.find('.file-preview'));
-            self.$preview = $h.getElement(options, 'elPreviewImage', $cont.find('.file-preview-thumbnails'));
-            self.$previewStatus = $h.getElement(options, 'elPreviewStatus', $cont.find('.file-preview-status'));
-            self.$errorContainer = $h.getElement(options, 'elErrorContainer',
-                self.$previewContainer.find('.kv-fileinput-error'));
-            self._validateDisabled();
-            if (!$h.isEmpty(self.msgErrorClass)) {
-                $h.addCss(self.$errorContainer, self.msgErrorClass);
-            }
-            if (!refreshMode) {
-                self._resetErrors();
-                self.$errorContainer.hide();
-                self.previewInitId = 'thumb-' + $el.attr('id');
-                self._initPreviewCache();
-                self._initPreview(true);
-                self._initPreviewActions();
-                if (self.$parent.hasClass('file-loading')) {
-                    self.$container.insertBefore(self.$parent);
-                    self.$parent.remove();
-                }
+          }
+          if (data.tags.length && data.tags[i]) {
+            out = $h.replaceTags(out, data.tags[i]);
+          }
+          /** @namespace config.frameAttr */
+          if (!$h.isEmpty(config) && !$h.isEmpty(config.frameAttr)) {
+            $tmp = $h.createDiv();
+            $h.setHtml($tmp, out);
+            $tmp.find(".file-preview-initial").attr(config.frameAttr);
+            out = $tmp.html();
+            $tmp.remove();
+          }
+          return out;
+        },
+        clean: function (data) {
+          data.content = $h.cleanArray(data.content);
+          data.config = $h.cleanArray(data.config);
+          data.tags = $h.cleanArray(data.tags);
+          self.previewCache.data = data;
+        },
+        add: function (content, config, tags, append) {
+          var data = self.previewCache.data,
+            index;
+          if (!content || !content.length) {
+            return 0;
+          }
+          index = content.length - 1;
+          if (!$h.isArray(content)) {
+            content = content.split(self.initialPreviewDelimiter);
+          }
+          if (append && data.content) {
+            index = data.content.push(content[0]) - 1;
+            data.config[index] = config;
+            data.tags[index] = tags;
+          } else {
+            data.content = content;
+            data.config = config;
+            data.tags = tags;
+          }
+          self.previewCache.clean(data);
+          return index;
+        },
+        set: function (content, config, tags, append) {
+          var data = self.previewCache.data,
+            i,
+            chk;
+          if (!content || !content.length) {
+            return;
+          }
+          if (!$h.isArray(content)) {
+            content = content.split(self.initialPreviewDelimiter);
+          }
+          chk = content.filter(function (n) {
+            return n !== null;
+          });
+          if (!chk.length) {
+            return;
+          }
+          if (data.content === undefined) {
+            data.content = [];
+          }
+          if (data.config === undefined) {
+            data.config = [];
+          }
+          if (data.tags === undefined) {
+            data.tags = [];
+          }
+          if (append) {
+            for (i = 0; i < content.length; i++) {
+              if (content[i]) {
+                data.content.push(content[i]);
+              }
+            }
+            for (i = 0; i < config.length; i++) {
+              if (config[i]) {
+                data.config.push(config[i]);
+              }
+            }
+            for (i = 0; i < tags.length; i++) {
+              if (tags[i]) {
+                data.tags.push(tags[i]);
+              }
+            }
+          } else {
+            data.content = content;
+            data.config = config;
+            data.tags = tags;
+          }
+          self.previewCache.clean(data);
+        },
+        unset: function (index) {
+          var chk = self.previewCache.count(),
+            rev = self.reversePreviewOrder;
+          if (!chk) {
+            return;
+          }
+          if (chk === 1) {
+            self.previewCache.data.content = [];
+            self.previewCache.data.config = [];
+            self.previewCache.data.tags = [];
+            self.initialPreview = [];
+            self.initialPreviewConfig = [];
+            self.initialPreviewThumbTags = [];
+            return;
+          }
+          self.previewCache.data.content = $h.spliceArray(self.previewCache.data.content, index, rev);
+          self.previewCache.data.config = $h.spliceArray(self.previewCache.data.config, index, rev);
+          self.previewCache.data.tags = $h.spliceArray(self.previewCache.data.tags, index, rev);
+          var data = $.extend(true, {}, self.previewCache.data);
+          self.previewCache.clean(data);
+        },
+        out: function () {
+          var html = "",
+            caption,
+            len = self.previewCache.count(),
+            i,
+            content;
+          if (len === 0) {
+            return { content: "", caption: "" };
+          }
+          for (i = 0; i < len; i++) {
+            content = self.previewCache.get(i);
+            html = self.reversePreviewOrder ? content + html : html + content;
+          }
+          caption = self._getMsgSelected(len);
+          return { content: html, caption: caption };
+        },
+        footer: function (i, isDisabled, size) {
+          var data = self.previewCache.data || {};
+          if ($h.isEmpty(data.content)) {
+            return "";
+          }
+          if ($h.isEmpty(data.config) || $h.isEmpty(data.config[i])) {
+            data.config[i] = {};
+          }
+          isDisabled = isDisabled === undefined ? true : isDisabled;
+          var config = data.config[i],
+            caption = $h.ifSet("caption", config),
+            a,
+            width = $h.ifSet("width", config, "auto"),
+            url = $h.ifSet("url", config, false),
+            key = $h.ifSet("key", config, null),
+            fileId = $h.ifSet("fileId", config, null),
+            fs = self.fileActionSettings,
+            initPreviewShowDel = self.initialPreviewShowDelete || false,
+            downloadInitialUrl = !self.initialPreviewDownloadUrl
+              ? ""
+              : self.initialPreviewDownloadUrl + "?key=" + key + (fileId ? "&fileId=" + fileId : ""),
+            dUrl = config.downloadUrl || downloadInitialUrl,
+            dFil = config.filename || config.caption || "",
+            initPreviewShowDwl = !!dUrl,
+            sDel = $h.ifSet("showRemove", config, initPreviewShowDel),
+            sRot = $h.ifSet("showRotate", config, $h.ifSet("showRotate", fs, true)),
+            sDwl = $h.ifSet("showDownload", config, $h.ifSet("showDownload", fs, initPreviewShowDwl)),
+            sZm = $h.ifSet("showZoom", config, $h.ifSet("showZoom", fs, true)),
+            sDrg = $h.ifSet("showDrag", config, $h.ifSet("showDrag", fs, true)),
+            dis = url === false && isDisabled;
+          sDwl = sDwl && config.downloadUrl !== false && !!dUrl;
+          a = self._renderFileActions(config, false, sDwl, sDel, sRot, sZm, sDrg, dis, url, key, true, dUrl, dFil);
+          return self._getLayoutTemplate("footer").setTokens({
+            progress: self._renderThumbProgress(),
+            actions: a,
+            caption: caption,
+            size: self._getSize(size),
+            width: width,
+            indicator: "",
+          });
+        },
+      };
+      self.previewCache.init();
+    },
+    _isPdfRendered: function () {
+      var self = this,
+        useLib = self.usePdfRenderer,
+        flag = typeof useLib === "function" ? useLib() : !!useLib;
+      return flag && self.pdfRendererUrl;
+    },
+    _handler: function ($el, event, callback) {
+      var self = this,
+        ns = self.namespace,
+        ev = event.split(" ").join(ns + " ") + ns;
+      if (!$el || !$el.length) {
+        return;
+      }
+      $el.off(ev).on(ev, callback);
+    },
+    _encodeURI: function (vUrl) {
+      var self = this;
+      return self.encodeUrl ? encodeURI(vUrl) : vUrl;
+    },
+    _log: function (msg, tokens) {
+      var self = this,
+        id = self.$element.attr("id");
+      if (!self.showConsoleLogs) {
+        return;
+      }
+      if (id) {
+        msg = '"' + id + '": ' + msg;
+      }
+      msg = "bootstrap-fileinput: " + msg;
+      if (typeof tokens === "object") {
+        msg = msg.setTokens(tokens);
+      }
+      if (window.console && typeof window.console.log !== "undefined") {
+        window.console.log(msg);
+      } else {
+        window.alert(msg);
+      }
+    },
+    _validate: function () {
+      var self = this,
+        status = self.$element.attr("type") === "file";
+      if (!status) {
+        self._log($h.logMessages.badInputType);
+      }
+      return status;
+    },
+    _errorsExist: function () {
+      var self = this,
+        $err,
+        $errList = self.$errorContainer.find("li");
+      if ($errList.length) {
+        return true;
+      }
+      $err = $h.createDiv();
+      $h.setHtml($err, self.$errorContainer.html());
+      $err.find(".kv-error-close").remove();
+      $err.find("ul").remove();
+      return !!$h.trim($err.text()).length;
+    },
+    _errorHandler: function (evt, caption) {
+      var self = this,
+        err = evt.target.error,
+        showError = function (msg) {
+          self._showError(msg.replace("{name}", caption));
+        };
+      /** @namespace err.NOT_FOUND_ERR */
+      /** @namespace err.SECURITY_ERR */
+      /** @namespace err.NOT_READABLE_ERR */
+      if (err.code === err.NOT_FOUND_ERR) {
+        showError(self.msgFileNotFound);
+      } else {
+        if (err.code === err.SECURITY_ERR) {
+          showError(self.msgFileSecured);
+        } else {
+          if (err.code === err.NOT_READABLE_ERR) {
+            showError(self.msgFileNotReadable);
+          } else {
+            if (err.code === err.ABORT_ERR) {
+              showError(self.msgFilePreviewAborted);
             } else {
-                if (!self._errorsExist()) {
-                    self.$errorContainer.hide();
-                }
-            }
-            self._setFileDropZoneTitle();
-            if ($el.attr('disabled')) {
-                self.disable();
-            }
-            self._initZoom();
-            if (self.hideThumbnailContent) {
-                $h.addCss(self.$preview, 'hide-content');
+              showError(self.msgFilePreviewError);
             }
-        },
-        _initFileManager: function () {
-            var self = this;
-            self.uploadStartTime = $h.now();
-            self.fileManager = {
-                stack: {},
-                filesProcessed: [],
-                errors: [],
-                loadedImages: {},
-                totalImages: 0,
-                totalFiles: null,
-                totalSize: null,
-                uploadedSize: 0,
-                stats: {},
-                bpsLog: [],
-                bps: 0,
-                initStats: function (id) {
-                    var data = {started: $h.now()};
-                    if (id) {
-                        self.fileManager.stats[id] = data;
-                    } else {
-                        self.fileManager.stats = data;
-                    }
-                },
-                getUploadStats: function (id, loaded, total) {
-                    var fm = self.fileManager,
-                        started = id ? fm.stats[id] && fm.stats[id].started || $h.now() : self.uploadStartTime,
-                        elapsed = ($h.now() - started) / 1000, bps = Math.ceil(elapsed ? loaded / elapsed : 0),
-                        pendingBytes = total - loaded, out, delay = fm.bpsLog.length ? self.bitrateUpdateDelay : 0;
-                    setTimeout(function () {
-                        var i, j = 0, n = 0, len, beg;
-                        fm.bpsLog.push(bps);
-                        fm.bpsLog.sort(function (a, b) {
-                            return a - b;
-                        });
-                        len = fm.bpsLog.length;
-                        beg = len > 10 ? len - 10 : Math.ceil(len / 2);
-                        for (i = len; i > beg; i--) {
-                            n = parseFloat(fm.bpsLog[i]);
-                            j++;
-                        }
-                        fm.bps = (j > 0 ? n / j : 0) * 64;
-                    }, delay);
-                    out = {
-                        fileId: id,
-                        started: started,
-                        elapsed: elapsed,
-                        loaded: loaded,
-                        total: total,
-                        bps: fm.bps,
-                        bitrate: self._getSize(fm.bps, false, self.bitRateUnits),
-                        pendingBytes: pendingBytes
-                    };
-                    if (id) {
-                        fm.stats[id] = out;
-                    } else {
-                        fm.stats = out;
-                    }
-                    return out;
-                },
-                exists: function (id) {
-                    return $.inArray(id, self.fileManager.getIdList()) !== -1;
-                },
-                count: function () {
-                    return self.fileManager.getIdList().length;
-                },
-                total: function () {
-                    var fm = self.fileManager;
-                    if (!fm.totalFiles) {
-                        fm.totalFiles = fm.count();
-                    }
-                    return fm.totalFiles;
-                },
-                getTotalSize: function () {
-                    var fm = self.fileManager;
-                    if (fm.totalSize) {
-                        return fm.totalSize;
-                    }
-                    fm.totalSize = 0;
-                    $.each(self.getFileStack(), function (id, f) {
-                        var size = parseFloat(f.size);
-                        fm.totalSize += isNaN(size) ? 0 : size;
-                    });
-                    return fm.totalSize;
-                },
-                add: function (file, id) {
-                    if (!id) {
-                        id = self.fileManager.getId(file);
-                    }
-                    if (!id) {
-                        return;
-                    }
-                    self.fileManager.stack[id] = {
-                        file: file,
-                        name: $h.getFileName(file),
-                        relativePath: $h.getFileRelativePath(file),
-                        size: file.size,
-                        nameFmt: self._getFileName(file, ''),
-                        sizeFmt: self._getSize(file.size)
-                    };
-                },
-                remove: function ($thumb) {
-                    var id = self._getThumbFileId($thumb);
-                    self.fileManager.removeFile(id);
-                },
-                removeFile: function (id) {
-                    var fm = self.fileManager;
-                    if (!id) {
-                        return;
-                    }
-                    delete fm.stack[id];
-                    delete fm.loadedImages[id];
-                },
-                move: function (idFrom, idTo) {
-                    var result = {}, stack = self.fileManager.stack;
-                    if (!idFrom && !idTo || idFrom === idTo) {
-                        return;
-                    }
-                    $.each(stack, function (k, v) {
-                        if (k !== idFrom) {
-                            result[k] = v;
-                        }
-                        if (k === idTo) {
-                            result[idFrom] = stack[idFrom];
-                        }
-                    });
-                    self.fileManager.stack = result;
-                },
-                list: function () {
-                    var files = [];
-                    $.each(self.getFileStack(), function (k, v) {
-                        if (v && v.file) {
-                            files.push(v.file);
-                        }
-                    });
-                    return files;
-                },
-                isPending: function (id) {
-                    return $.inArray(id, self.fileManager.filesProcessed) === -1 && self.fileManager.exists(id);
-                },
-                isProcessed: function () {
-                    var filesProcessed = true, fm = self.fileManager;
-                    $.each(self.getFileStack(), function (id) {
-                        if (fm.isPending(id)) {
-                            filesProcessed = false;
-                        }
-                    });
-                    return filesProcessed;
-                },
-                clear: function () {
-                    var fm = self.fileManager;
-                    self.isDuplicateError = false;
-                    self.isPersistentError = false;
-                    fm.totalFiles = null;
-                    fm.totalSize = null;
-                    fm.uploadedSize = 0;
-                    fm.stack = {};
-                    fm.errors = [];
-                    fm.filesProcessed = [];
-                    fm.stats = {};
-                    fm.bpsLog = [];
-                    fm.bps = 0;
-                    fm.clearImages();
-                },
-                clearImages: function () {
-                    self.fileManager.loadedImages = {};
-                    self.fileManager.totalImages = 0;
-                },
-                addImage: function (id, config) {
-                    self.fileManager.loadedImages[id] = config;
-                },
-                removeImage: function (id) {
-                    delete self.fileManager.loadedImages[id];
-                },
-                getImageIdList: function () {
-                    return $h.getObjectKeys(self.fileManager.loadedImages);
-                },
-                getImageCount: function () {
-                    return self.fileManager.getImageIdList().length;
-                },
-                getId: function (file) {
-                    return self._getFileId(file);
-                },
-                getIndex: function (id) {
-                    return self.fileManager.getIdList().indexOf(id);
-                },
-                getThumb: function (id) {
-                    var $thumb = null;
-                    self._getThumbs().each(function () {
-                        var $t = $(this);
-                        if (self._getThumbFileId($t) === id) {
-                            $thumb = $t;
-                        }
-                    });
-                    return $thumb;
-                },
-                getThumbIndex: function ($thumb) {
-                    var id = self._getThumbFileId($thumb);
-                    return self.fileManager.getIndex(id);
-                },
-                getIdList: function () {
-                    return $h.getObjectKeys(self.fileManager.stack);
-                },
-                getFile: function (id) {
-                    return self.fileManager.stack[id] || null;
-                },
-                getFileName: function (id, fmt) {
-                    var file = self.fileManager.getFile(id);
-                    if (!file) {
-                        return '';
-                    }
-                    return fmt ? (file.nameFmt || '') : file.name || '';
-                },
-                getFirstFile: function () {
-                    var ids = self.fileManager.getIdList(), id = ids && ids.length ? ids[0] : null;
-                    return self.fileManager.getFile(id);
-                },
-                setFile: function (id, file) {
-                    if (self.fileManager.getFile(id)) {
-                        self.fileManager.stack[id].file = file;
-                    } else {
-                        self.fileManager.add(file, id);
-                    }
-                },
-                setProcessed: function (id) {
-                    self.fileManager.filesProcessed.push(id);
-                },
-                getProgress: function () {
-                    var total = self.fileManager.total(), filesProcessed = self.fileManager.filesProcessed.length;
-                    if (!total) {
-                        return 0;
-                    }
-                    return Math.ceil(filesProcessed / total * 100);
-
-                },
-                setProgress: function (id, pct) {
-                    var f = self.fileManager.getFile(id);
-                    if (!isNaN(pct) && f) {
-                        f.progress = pct;
-                    }
-                }
-            };
-        },
-        _setUploadData: function (fd, config) {
-            var self = this;
-            $.each(config, function (key, value) {
-                var param = self.uploadParamNames[key] || key;
-                if ($h.isArray(value)) {
-                    fd.append(param, value[0], value[1]);
-                } else {
-                    fd.append(param, value);
-                }
-            });
-        },
-        _initResumableUpload: function () {
-            var self = this, opts = self.resumableUploadOptions, logs = $h.logMessages, rm, fm = self.fileManager;
-            if (!self.enableResumableUpload) {
-                return;
-            }
-            if (opts.fallback !== false && typeof opts.fallback !== 'function') {
-                opts.fallback = function (s) {
-                    s._log(logs.noResumableSupport);
-                    s.enableResumableUpload = false;
-                };
-            }
-            if (!$h.hasResumableUploadSupport() && opts.fallback !== false) {
-                opts.fallback(self);
-                return;
-            }
-            if (!self.uploadUrl && self.enableResumableUpload) {
-                self._log(logs.noUploadUrl);
-                self.enableResumableUpload = false;
-                return;
-
-            }
-            opts.chunkSize = parseFloat(opts.chunkSize);
-            if (opts.chunkSize <= 0 || isNaN(opts.chunkSize)) {
-                self._log(logs.invalidChunkSize, {chunkSize: opts.chunkSize});
-                self.enableResumableUpload = false;
-                return;
-            }
-            rm = self.resumableManager = {
-                init: function (id, f, index) {
-                    rm.logs = [];
-                    rm.stack = [];
-                    rm.error = '';
-                    rm.id = id;
-                    rm.file = f.file;
-                    rm.fileName = f.name;
-                    rm.fileIndex = index;
-                    rm.completed = false;
-                    rm.lastProgress = 0;
-                    if (self.showPreview) {
-                        rm.$thumb = fm.getThumb(id) || null;
-                        rm.$progress = rm.$btnDelete = null;
-                        if (rm.$thumb && rm.$thumb.length) {
-                            rm.$progress = rm.$thumb.find('.file-thumb-progress');
-                            rm.$btnDelete = rm.$thumb.find('.kv-file-remove');
-                        }
-                    }
-                    rm.chunkSize = opts.chunkSize * self.bytesToKB;
-                    rm.chunkCount = rm.getTotalChunks();
-                },
-                setAjaxError: function (jqXHR, textStatus, errorThrown, isTest) {
-                    if (jqXHR.responseJSON && jqXHR.responseJSON.error) {
-                        errorThrown = jqXHR.responseJSON.error.toString();
-                    }
-                    if (!isTest) {
-                        rm.error = errorThrown;
-                    }
-                    if (opts.showErrorLog) {
-                        self._log(logs.ajaxError, {
-                            status: jqXHR.status,
-                            error: errorThrown,
-                            text: jqXHR.responseText || ''
-                        });
-                    }
-                },
-                reset: function () {
-                    rm.stack = [];
-                    rm.chunksProcessed = {};
-                },
-                setProcessed: function (status) {
-                    var id = rm.id, msg, $thumb = rm.$thumb, $prog = rm.$progress, hasThumb = $thumb && $thumb.length,
-                        params = {id: hasThumb ? $thumb.attr('id') : '', index: fm.getIndex(id), fileId: id}, tokens,
-                        skipErrorsAndProceed = self.resumableUploadOptions.skipErrorsAndProceed;
-                    rm.completed = true;
-                    rm.lastProgress = 0;
-                    if (hasThumb) {
-                        $thumb.removeClass('file-uploading');
-                    }
-                    if (status === 'success') {
-                        fm.uploadedSize += rm.file.size;
-                        if (self.showPreview) {
-                            self._setProgress(101, $prog);
-                            self._setThumbStatus($thumb, 'Success');
-                            self._initUploadSuccess(rm.chunksProcessed[id].data, $thumb);
-                        }
-                        fm.removeFile(id);
-                        delete rm.chunksProcessed[id];
-                        self._raise('fileuploaded', [params.id, params.index, params.fileId]);
-                        if (fm.isProcessed()) {
-                            self._setProgress(101);
-                        }
-                    } else {
-                        if (status !== 'cancel') {
-                            if (self.showPreview) {
-                                self._setThumbStatus($thumb, 'Error');
-                                self._setPreviewError($thumb, true);
-                                self._setProgress(101, $prog, self.msgProgressError);
-                                self._setProgress(101, self.$progress, self.msgProgressError);
-                                self.cancelling = !skipErrorsAndProceed;
-                            }
-                            if (!self.$errorContainer.find('li[data-file-id="' + params.fileId + '"]').length) {
-                                tokens = {file: rm.fileName, max: opts.maxRetries, error: rm.error};
-                                msg = self.msgResumableUploadRetriesExceeded.setTokens(tokens);
-                                $.extend(params, tokens);
-                                self._showFileError(msg, params, 'filemaxretries');
-                                if (skipErrorsAndProceed) {
-                                    fm.removeFile(id);
-                                    delete rm.chunksProcessed[id];
-                                    if (fm.isProcessed()) {
-                                        self._setProgress(101);
-                                    }
-                                }
-                            }
-                        }
-                    }
-                    if (fm.isProcessed()) {
-                        rm.reset();
-                    }
-                },
-                check: function () {
-                    var status = true;
-                    $.each(rm.logs, function (index, value) {
-                        if (!value) {
-                            status = false;
-                            return false;
-                        }
-                    });
-                },
-                processedResumables: function () {
-                    var logs = rm.logs, i, count = 0;
-                    if (!logs || !logs.length) {
-                        return 0;
-                    }
-                    for (i = 0; i < logs.length; i++) {
-                        if (logs[i] === true) {
-                            count++;
-                        }
-                    }
-                    return count;
-                },
-                getUploadedSize: function () {
-                    var size = rm.processedResumables() * rm.chunkSize;
-                    return size > rm.file.size ? rm.file.size : size;
-                },
-                getTotalChunks: function () {
-                    var chunkSize = parseFloat(rm.chunkSize);
-                    if (!isNaN(chunkSize) && chunkSize > 0) {
-                        return Math.ceil(rm.file.size / chunkSize);
-                    }
-                    return 0;
-                },
-                getProgress: function () {
-                    var chunksProcessed = rm.processedResumables(), total = rm.chunkCount;
-                    if (total === 0) {
-                        return 0;
-                    }
-                    return Math.ceil(chunksProcessed / total * 100);
-                },
-                checkAborted: function (intervalId) {
-                    if (self._isAborted()) {
-                        clearInterval(intervalId);
-                        self.unlock();
-                    }
-                },
-                upload: function () {
-                    var ids = fm.getIdList(), flag = 'new', intervalId;
-                    intervalId = setInterval(function () {
-                        var id;
-                        rm.checkAborted(intervalId);
-                        if (flag === 'new') {
-                            self.lock();
-                            flag = 'processing';
-                            id = ids.shift();
-                            fm.initStats(id);
-                            if (fm.stack[id]) {
-                                rm.init(id, fm.stack[id], fm.getIndex(id));
-                                rm.processUpload();
-                            }
-                        }
-                        if (!fm.isPending(id) && rm.completed) {
-                            flag = 'new';
-                        }
-                        if (fm.isProcessed()) {
-                            var $initThumbs = self.$preview.find('.file-preview-initial');
-                            if ($initThumbs.length) {
-                                $h.addCss($initThumbs, $h.SORT_CSS);
-                                self._initSortable();
-                            }
-                            clearInterval(intervalId);
-                            self._clearFileInput();
-                            self.unlock();
-                            setTimeout(function () {
-                                var data = self.previewCache.data;
-                                if (data) {
-                                    self.initialPreview = data.content;
-                                    self.initialPreviewConfig = data.config;
-                                    self.initialPreviewThumbTags = data.tags;
-                                }
-                                self._raise('filebatchuploadcomplete', [
-                                    self.initialPreview,
-                                    self.initialPreviewConfig,
-                                    self.initialPreviewThumbTags,
-                                    self._getExtraData()
-                                ]);
-                            }, self.processDelay);
-                        }
-                    }, self.processDelay);
-                },
-                uploadResumable: function () {
-                    var i, pool, tm = self.taskManager, total = rm.chunkCount;
-                    pool = tm.addPool(rm.id);
-                    for (i = 0; i < total; i++) {
-                        rm.logs[i] = !!(rm.chunksProcessed[rm.id] && rm.chunksProcessed[rm.id][i]);
-                        if (!rm.logs[i]) {
-                            rm.pushAjax(i, 0);
-                        }
-                    }
-                    pool.run(opts.maxThreads)
-                        .done(function () {
-                            rm.setProcessed('success');
-                        })
-                        .fail(function () {
-                            rm.setProcessed(pool.cancelled ? 'cancel' : 'error');
-                        });
-                },
-                processUpload: function () {
-                    var fd, f, id = rm.id, fnBefore, fnSuccess, fnError, fnComplete, outData;
-                    if (!opts.testUrl) {
-                        rm.uploadResumable();
-                        return;
-                    }
-                    fd = new FormData();
-                    f = fm.stack[id];
-                    self._setUploadData(fd, {
-                        fileId: id,
-                        fileName: f.fileName,
-                        fileSize: f.size,
-                        fileRelativePath: f.relativePath,
-                        chunkSize: rm.chunkSize,
-                        chunkCount: rm.chunkCount
-                    });
-                    fnBefore = function (jqXHR) {
-                        outData = self._getOutData(fd, jqXHR);
-                        self._raise('filetestbeforesend', [id, fm, rm, outData]);
-                    };
-                    fnSuccess = function (data, textStatus, jqXHR) {
-                        outData = self._getOutData(fd, jqXHR, data);
-                        var pNames = self.uploadParamNames, chunksUploaded = pNames.chunksUploaded || 'chunksUploaded',
-                            params = [id, fm, rm, outData];
-                        if (!data[chunksUploaded] || !$h.isArray(data[chunksUploaded])) {
-                            self._raise('filetesterror', params);
-                        } else {
-                            if (!rm.chunksProcessed[id]) {
-                                rm.chunksProcessed[id] = {};
-                            }
-                            $.each(data[chunksUploaded], function (key, index) {
-                                rm.logs[index] = true;
-                                rm.chunksProcessed[id][index] = true;
-                            });
-                            rm.chunksProcessed[id].data = data;
-                            self._raise('filetestsuccess', params);
-                        }
-                        rm.uploadResumable();
-                    };
-                    fnError = function (jqXHR, textStatus, errorThrown) {
-                        outData = self._getOutData(fd, jqXHR);
-                        self._raise('filetestajaxerror', [id, fm, rm, outData]);
-                        rm.setAjaxError(jqXHR, textStatus, errorThrown, true);
-                        rm.uploadResumable();
-                    };
-                    fnComplete = function () {
-                        self._raise('filetestcomplete', [id, fm, rm, self._getOutData(fd)]);
-                    };
-                    self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, fd, id, rm.fileIndex, opts.testUrl);
-                },
-                pushAjax: function (index, retry) {
-                    var tm = self.taskManager, pool = tm.getPool(rm.id);
-                    pool.addTask(pool.size() + 1, function (deferrer) {
-                        // use fifo chunk stack
-                        var arr = rm.stack.shift(), index;
-                        index = arr[0];
-                        if (!rm.chunksProcessed[rm.id] || !rm.chunksProcessed[rm.id][index]) {
-                            rm.sendAjax(index, arr[1], deferrer);
-                        } else {
-                            self._log(logs.chunkQueueError, {index: index});
-                        }
-                    });
-                    rm.stack.push([index, retry]);
-                },
-                sendAjax: function (index, retry, deferrer) {
-                    var f, chunkSize = rm.chunkSize, id = rm.id, file = rm.file, $thumb = rm.$thumb,
-                        msgs = $h.logMessages, $btnDelete = rm.$btnDelete, logError = function (msg, tokens) {
-                            if (tokens) {
-                                msg = msg.setTokens(tokens);
-                            }
-                            msg = msgs.resumableRequestError.setTokens({msg: msg});
-                            self._log(msg);
-                            deferrer.reject(msg);
-                        };
-                    if (rm.chunksProcessed[id] && rm.chunksProcessed[id][index]) {
-                        return;
-                    }
-                    if (retry > opts.maxRetries) {
-                        logError(msgs.resumableMaxRetriesReached, {n: opts.maxRetries});
-                        rm.setProcessed('error');
-                        return;
-                    }
-                    var fd, outData, fnBefore, fnSuccess, fnError, fnComplete, slice = file.slice ? 'slice' :
-                            (file.mozSlice ? 'mozSlice' : (file.webkitSlice ? 'webkitSlice' : 'slice')),
-                        blob = file[slice](chunkSize * index, chunkSize * (index + 1));
-                    fd = new FormData();
-                    f = fm.stack[id];
-                    self._setUploadData(fd, {
-                        chunkCount: rm.chunkCount,
-                        chunkIndex: index,
-                        chunkSize: chunkSize,
-                        chunkSizeStart: chunkSize * index,
-                        fileBlob: [blob, rm.fileName],
-                        fileId: id,
-                        fileName: rm.fileName,
-                        fileRelativePath: f.relativePath,
-                        fileSize: file.size,
-                        retryCount: retry
-                    });
-                    if (rm.$progress && rm.$progress.length) {
-                        rm.$progress.show();
-                    }
-                    fnBefore = function (jqXHR) {
-                        outData = self._getOutData(fd, jqXHR);
-                        if (self.showPreview) {
-                            if (!$thumb.hasClass('file-preview-success')) {
-                                self._setThumbStatus($thumb, 'Loading');
-                                $h.addCss($thumb, 'file-uploading');
-                            }
-                            $btnDelete.attr('disabled', true);
-                        }
-                        self._raise('filechunkbeforesend', [id, index, retry, fm, rm, outData]);
-                    };
-                    fnSuccess = function (data, textStatus, jqXHR) {
-                        if (self._isAborted()) {
-                            logError(msgs.resumableAborting);
-                            return;
-                        }
-                        outData = self._getOutData(fd, jqXHR, data);
-                        var paramNames = self.uploadParamNames, chunkIndex = paramNames.chunkIndex || 'chunkIndex',
-                            params = [id, index, retry, fm, rm, outData];
-                        if (data.error) {
-                            if (opts.showErrorLog) {
-                                self._log(logs.retryStatus, {
-                                    retry: retry + 1,
-                                    filename: rm.fileName,
-                                    chunk: index
-                                });
-                            }
-                            self._raise('filechunkerror', params);
-                            rm.pushAjax(index, retry + 1);
-                            rm.error = data.error;
-                            logError(data.error);
-                        } else {
-                            rm.logs[data[chunkIndex]] = true;
-                            if (!rm.chunksProcessed[id]) {
-                                rm.chunksProcessed[id] = {};
-                            }
-                            rm.chunksProcessed[id][data[chunkIndex]] = true;
-                            rm.chunksProcessed[id].data = data;
-                            deferrer.resolve.call(null, data);
-                            self._raise('filechunksuccess', params);
-                            rm.check();
-                        }
-                    };
-                    fnError = function (jqXHR, textStatus, errorThrown) {
-                        if (self._isAborted()) {
-                            logError(msgs.resumableAborting);
-                            return;
-                        }
-                        outData = self._getOutData(fd, jqXHR);
-                        rm.setAjaxError(jqXHR, textStatus, errorThrown);
-                        self._raise('filechunkajaxerror', [id, index, retry, fm, rm, outData]);
-                        rm.pushAjax(index, retry + 1);                        // push another task
-                        logError(msgs.resumableRetryError, {n: retry - 1}); // resolve the current task
-                    };
-                    fnComplete = function () {
-                        if (!self._isAborted()) {
-                            self._raise('filechunkcomplete', [id, index, retry, fm, rm, self._getOutData(fd)]);
-                        }
-                    };
-                    self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, fd, id, rm.fileIndex);
-                }
-            };
-            rm.reset();
-        },
-        _initTemplateDefaults: function () {
-            var self = this, tMain1, tMain2, tPreview, tFileIcon, tClose, tCaption, tBtnDefault, tBtnLink, tBtnBrowse,
-                tModalMain, tModal, tProgress, tSize, tFooter, tActions, tActionDelete, tActionUpload, tActionDownload,
-                tActionZoom, tActionDrag, tIndicator, tTagBef, tTagBef1, tTagBef2, tTagAft, tGeneric, tHtml, tImage,
-                tText, tOffice, tGdocs, tVideo, tAudio, tFlash, tObject, tPdf, tOther, tStyle, tZoomCache, vDefaultDim,
-                tActionRotate, tStats, tModalLabel, tDescClose, renderObject = function (type, mime) {
-                    return '<object class="kv-preview-data file-preview-' + type + '" title="{caption}" ' +
-                        'data="{data}" type="' + mime + '"' + tStyle + '>\n' + $h.DEFAULT_PREVIEW + '\n</object>\n';
-                }, defBtnCss1 = 'btn btn-sm btn-kv ' + $h.defaultButtonCss();
-            tMain1 = '{preview}\n' +
-                '<div class="kv-upload-progress kv-hidden"></div><div class="clearfix"></div>\n' +
-                '<div class="file-caption {class}">\n' +
-                '  <div class="input-group {inputGroupClass}">\n' +
-                '      {caption}\n<span class="file-caption-icon"></span>\n' +
-                ($h.isBs(5) ? '' : '<div class="input-group-btn input-group-append">\n') +
-                '      {remove}\n' +
-                '      {cancel}\n' +
-                '      {pause}\n' +
-                '      {upload}\n' +
-                '      {browse}\n' +
-                ($h.isBs(5) ? '' : '    </div>\n') +
-                '  </div>';
-            '</div>';
-            tMain2 = '{preview}\n<div class="kv-upload-progress kv-hidden"></div>\n<div class="clearfix"></div>\n' +
-                '<span class="{class}">{remove}\n{cancel}\n{upload}\n{browse}\n</span>';
-            tPreview = '<div class="file-preview {class}">\n' +
-                '  {close}' +
-                '  <div class="{dropClass} clearfix">\n' +
-                '    <div class="file-preview-thumbnails clearfix">\n' +
-                '    </div>\n' +
-                '    <div class="file-preview-status text-center text-success"></div>\n' +
-                '    <div class="kv-fileinput-error"></div>\n' +
-                '  </div>\n' +
-                '</div>';
-            tClose = $h.closeButton('fileinput-remove');
-            tFileIcon = '<i class="glyphicon glyphicon-file"></i>';
-            // noinspection HtmlUnknownAttribute
-            tCaption = '<input readonly class="file-caption-name form-control {class}">\n';
-            //noinspection HtmlUnknownAttribute
-            tBtnDefault = '<button type="{type}" title="{title}" class="{css}" ' +
-                '{status} {tabIndexConfig}>{icon} {label}</button>';
-            //noinspection HtmlUnknownTarget,HtmlUnknownAttribute
-            tBtnLink = '<a href="{href}" title="{title}" class="{css}" {status} {tabIndexConfig}>{icon} {label}</a>';
-            //noinspection HtmlUnknownAttribute
-            tBtnBrowse = '<div class="{css}" {status} {tabIndexConfig}>{icon} {label}</div>';
-            tModalLabel = $h.MODAL_ID + 'Label';
-            tModalMain = '<div id="' + $h.MODAL_ID + '" class="file-zoom-dialog modal fade" ' +
-                'aria-labelledby="' + tModalLabel + '" {tabIndexConfig}></div>';
-            tModal = '<div class="modal-dialog modal-lg{rtl}" role="document">\n' +
-                '  <div class="modal-content">\n' +
-                '    <div class="modal-header kv-zoom-header">\n' +
-                '      <h6 class="modal-title kv-zoom-title" id="' + tModalLabel + '"><span class="kv-zoom-caption"></span> <span class="kv-zoom-size"></span></h6>\n' +
-                '      <div class="kv-zoom-actions">{toggleheader}{fullscreen}{borderless}{close}</div>\n' +
-                '    </div>\n' +
-                '    <div class="floating-buttons"></div>\n' +
-                '    <div class="kv-zoom-body file-zoom-content {zoomFrameClass}"></div>\n' + '{prev} {next}\n' +
-                '    <div class="kv-zoom-description"></div>\n' +
-                '  </div>\n' +
-                '</div>\n';
-            tDescClose = '<button type="button" class="kv-desc-hide" aria-label="Close">{closeIcon}</button>';
-            tProgress = '<div class="progress">\n' +
-                '    <div class="{class}" role="progressbar"' +
-                ' aria-valuenow="{percent}" aria-valuemin="0" aria-valuemax="100" style="width:{percent}%;">\n' +
-                '        {status}\n' +
-                '     </div>\n' +
-                '</div>{stats}';
-            tStats = '<div class="text-primary file-upload-stats">' +
-                '<span class="pending-time">{pendingTime}</span> ' +
-                '<span class="upload-speed">{uploadSpeed}</span>' +
-                '</div>';
-            tSize = ' <samp>({sizeText})</samp>';
-            tFooter = '<div class="file-thumbnail-footer">\n' +
-                '    <div class="file-footer-caption" title="{caption}">\n' +
-                '        <div class="file-caption-info">{caption}</div>\n' +
-                '        <div class="file-size-info">{size}</div>\n' +
-                '    </div>\n' +
-                '    {progress}\n{indicator}\n{actions}\n' +
-                '</div>';
-            tActions = '<div class="file-actions">\n' +
-                '    <div class="file-footer-buttons">\n' +
-                '        {rotate} {download} {upload} {delete} {zoom} {other}' +
-                '    </div>\n' +
-                '</div>\n' +
-                '{drag}\n' +
-                '<div class="clearfix"></div>';
-            //noinspection HtmlUnknownAttribute
-            tActionDelete = '<button type="button" class="kv-file-remove {removeClass}" ' +
-                'title="{removeTitle}" {dataUrl}{dataKey}>{removeIcon}</button>\n';
-            tActionUpload = '<button type="button" class="kv-file-upload {uploadClass}" title="{uploadTitle}">' +
-                '{uploadIcon}</button>';
-            tActionRotate = '<button type="button" class="kv-file-rotate {rotateClass}" title="{rotateTitle}">' +
-                '{rotateIcon}</button>';
-            tActionDownload = '<a class="kv-file-download {downloadClass}" title="{downloadTitle}" ' +
-                'href="{downloadUrl}" download="{caption}" target="_blank">{downloadIcon}</a>';
-            tActionZoom = '<button type="button" class="kv-file-zoom {zoomClass}" ' +
-                'title="{zoomTitle}">{zoomIcon}</button>';
-            tActionDrag = '<span class="file-drag-handle {dragClass}" title="{dragTitle}">{dragIcon}</span>';
-            tIndicator = '<div class="file-upload-indicator" title="{indicatorTitle}">{indicator}</div>';
-            tTagBef = '<div class="file-preview-frame {frameClass}" id="{previewId}" data-fileindex="{fileindex}"' +
-                ' data-fileid="{fileid}" data-filename="{filename}" data-template="{template}" data-zoom="{zoomData}"';
-            tTagBef1 = tTagBef + '><div class="kv-file-content">\n';
-            tTagBef2 = tTagBef + ' title="{caption}"><div class="kv-file-content">\n';
-            tTagAft = '</div>{footer}\n{zoomCache}</div>\n';
-            tGeneric = '{content}\n';
-            tStyle = ' {style}';
-            tHtml = renderObject('html', 'text/html');
-            tText = renderObject('text', 'text/plain;charset=UTF-8');
-            tPdf = renderObject('pdf', 'application/pdf');
-            tImage = '<img src="{data}" class="file-preview-image kv-preview-data" title="{title}" alt="{alt}"' +
-                tStyle + '>\n';
-            tOffice = '<iframe class="kv-preview-data file-preview-office" ' +
-                'src="https://view.officeapps.live.com/op/embed.aspx?src={data}"' + tStyle + '></iframe>';
-            tGdocs = '<iframe class="kv-preview-data file-preview-gdocs" ' +
-                'src="https://docs.google.com/gview?url={data}&embedded=true"' + tStyle + '></iframe>';
-            tVideo = '<video class="kv-preview-data file-preview-video" controls' + tStyle + '>\n' +
-                '<source src="{data}" type="{type}">\n' + $h.DEFAULT_PREVIEW + '\n</video>\n';
-            tAudio = '<!--suppress ALL --><audio class="kv-preview-data file-preview-audio" controls' + tStyle + '>\n<source src="{data}" ' +
-                'type="{type}">\n' + $h.DEFAULT_PREVIEW + '\n</audio>\n';
-            tFlash = '<embed class="kv-preview-data file-preview-flash" src="{data}" type="application/x-shockwave-flash"' + tStyle + '>\n';
-            tObject = '<object class="kv-preview-data file-preview-object file-object {typeCss}" ' +
-                'data="{data}" type="{type}"' + tStyle + '>\n' + '<param name="movie" value="{caption}" />\n' +
-                $h.OBJECT_PARAMS + ' ' + $h.DEFAULT_PREVIEW + '\n</object>\n';
-            tOther = '<div class="kv-preview-data file-preview-other-frame"' + tStyle + '>\n' + $h.DEFAULT_PREVIEW + '\n</div>\n';
-            tZoomCache = '<div class="kv-zoom-cache">{zoomContent}</div>';
-            vDefaultDim = {width: '100%', height: '100%', 'min-height': '480px'};
-            if (self._isPdfRendered()) {
-                tPdf = self.pdfRendererTemplate.replace('{renderer}', self._encodeURI(self.pdfRendererUrl));
-            }
-            self.defaults = {
-                layoutTemplates: {
-                    main1: tMain1,
-                    main2: tMain2,
-                    preview: tPreview,
-                    close: tClose,
-                    fileIcon: tFileIcon,
-                    caption: tCaption,
-                    modalMain: tModalMain,
-                    modal: tModal,
-                    descriptionClose: tDescClose,
-                    progress: tProgress,
-                    stats: tStats,
-                    size: tSize,
-                    footer: tFooter,
-                    indicator: tIndicator,
-                    actions: tActions,
-                    actionDelete: tActionDelete,
-                    actionRotate: tActionRotate,
-                    actionUpload: tActionUpload,
-                    actionDownload: tActionDownload,
-                    actionZoom: tActionZoom,
-                    actionDrag: tActionDrag,
-                    btnDefault: tBtnDefault,
-                    btnLink: tBtnLink,
-                    btnBrowse: tBtnBrowse,
-                    zoomCache: tZoomCache
-                },
-                previewMarkupTags: {
-                    tagBefore1: tTagBef1,
-                    tagBefore2: tTagBef2,
-                    tagAfter: tTagAft
-                },
-                previewContentTemplates: {
-                    generic: tGeneric,
-                    html: tHtml,
-                    image: tImage,
-                    text: tText,
-                    office: tOffice,
-                    gdocs: tGdocs,
-                    video: tVideo,
-                    audio: tAudio,
-                    flash: tFlash,
-                    object: tObject,
-                    pdf: tPdf,
-                    other: tOther
-                },
-                allowedPreviewTypes: ['image', 'html', 'text', 'video', 'audio', 'flash', 'pdf', 'object'],
-                previewTemplates: {},
-                previewSettings: {
-                    image: {width: 'auto', height: 'auto', 'max-width': '100%', 'max-height': '100%'},
-                    html: {width: '213px', height: '160px'},
-                    text: {width: '213px', height: '160px'},
-                    office: {width: '213px', height: '160px'},
-                    gdocs: {width: '213px', height: '160px'},
-                    video: {width: '213px', height: '160px'},
-                    audio: {width: '100%', height: '30px'},
-                    flash: {width: '213px', height: '160px'},
-                    object: {width: '213px', height: '160px'},
-                    pdf: {width: '100%', height: '160px', 'position': 'relative'},
-                    other: {width: '213px', height: '160px'}
-                },
-                previewSettingsSmall: {
-                    image: {width: 'auto', height: 'auto', 'max-width': '100%', 'max-height': '100%'},
-                    html: {width: '100%', height: '160px'},
-                    text: {width: '100%', height: '160px'},
-                    office: {width: '100%', height: '160px'},
-                    gdocs: {width: '100%', height: '160px'},
-                    video: {width: '100%', height: 'auto'},
-                    audio: {width: '100%', height: '30px'},
-                    flash: {width: '100%', height: 'auto'},
-                    object: {width: '100%', height: 'auto'},
-                    pdf: {width: '100%', height: '160px'},
-                    other: {width: '100%', height: '160px'}
-                },
-                previewZoomSettings: {
-                    image: {width: 'auto', height: 'auto', 'max-width': '100%', 'max-height': '100%'},
-                    html: vDefaultDim,
-                    text: vDefaultDim,
-                    office: {width: '100%', height: '100%', 'max-width': '100%', 'min-height': '480px'},
-                    gdocs: {width: '100%', height: '100%', 'max-width': '100%', 'min-height': '480px'},
-                    video: {width: 'auto', height: '100%', 'max-width': '100%'},
-                    audio: {width: '100%', height: '30px'},
-                    flash: {width: 'auto', height: '480px'},
-                    object: {width: 'auto', height: '100%', 'max-width': '100%', 'min-height': '480px'},
-                    pdf: vDefaultDim,
-                    other: {width: 'auto', height: '100%', 'min-height': '480px'}
-                },
-                mimeTypeAliases: {
-                    'video/quicktime': 'video/mp4'
-                },
-                fileTypeSettings: {
-                    image: function (vType, vName) {
-                        return ($h.compare(vType, 'image.*') && !$h.compare(vType, /(tiff?|wmf)$/i) ||
-                            $h.compare(vName, /\.(gif|png|jpe?g)$/i));
-                    },
-                    html: function (vType, vName) {
-                        return $h.compare(vType, 'text/html') || $h.compare(vName, /\.(htm|html)$/i);
-                    },
-                    office: function (vType, vName) {
-                        return $h.compare(vType, /(word|excel|powerpoint|office)$/i) ||
-                            $h.compare(vName, /\.(docx?|xlsx?|pptx?|pps|potx?)$/i);
-                    },
-                    gdocs: function (vType, vName) {
-                        return $h.compare(vType, /(word|excel|powerpoint|office|iwork-pages|tiff?)$/i) ||
-                            $h.compare(vName,
-                                /\.(docx?|xlsx?|pptx?|pps|potx?|rtf|ods|odt|pages|ai|dxf|ttf|tiff?|wmf|e?ps)$/i);
-                    },
-                    text: function (vType, vName) {
-                        return $h.compare(vType, 'text.*') || $h.compare(vName, /\.(xml|javascript)$/i) ||
-                            $h.compare(vName, /\.(txt|md|nfo|ini|json|php|js|css)$/i);
-                    },
-                    video: function (vType, vName) {
-                        return $h.compare(vType, 'video.*') && ($h.compare(vType, /(ogg|mp4|mp?g|mov|webm|3gp)$/i) ||
-                            $h.compare(vName, /\.(og?|mp4|webm|mp?g|mov|3gp)$/i));
-                    },
-                    audio: function (vType, vName) {
-                        return $h.compare(vType, 'audio.*') && ($h.compare(vName, /(ogg|mp3|mp?g|wav)$/i) ||
-                            $h.compare(vName, /\.(og?|mp3|mp?g|wav)$/i));
-                    },
-                    flash: function (vType, vName) {
-                        return $h.compare(vType, 'application/x-shockwave-flash', true) || $h.compare(vName,
-                            /\.(swf)$/i);
-                    },
-                    pdf: function (vType, vName) {
-                        return $h.compare(vType, 'application/pdf', true) || $h.compare(vName, /\.(pdf)$/i);
-                    },
-                    object: function () {
-                        return true;
-                    },
-                    other: function () {
-                        return true;
-                    }
-                },
-                fileActionSettings: {
-                    showRemove: true,
-                    showUpload: true,
-                    showDownload: true,
-                    showZoom: true,
-                    showDrag: true,
-                    showRotate: false,
-                    removeIcon: '<i class="glyphicon glyphicon-trash"></i>',
-                    removeClass: defBtnCss1,
-                    removeErrorClass: 'btn btn-sm btn-kv btn-danger',
-                    removeTitle: 'Remove file',
-                    uploadIcon: '<i class="glyphicon glyphicon-upload"></i>',
-                    uploadClass: defBtnCss1,
-                    uploadTitle: 'Upload file',
-                    uploadRetryIcon: '<i class="glyphicon glyphicon-repeat"></i>',
-                    uploadRetryTitle: 'Retry upload',
-                    downloadIcon: '<i class="glyphicon glyphicon-download"></i>',
-                    downloadClass: defBtnCss1,
-                    downloadTitle: 'Download file',
-                    rotateIcon: '<i class="glyphicon glyphicon-repeat"></i>',
-                    rotateClass: defBtnCss1,
-                    rotateTitle: 'Rotate 90 deg. clockwise',
-                    zoomIcon: '<i class="glyphicon glyphicon-zoom-in"></i>',
-                    zoomClass: defBtnCss1,
-                    zoomTitle: 'View Details',
-                    dragIcon: '<i class="glyphicon glyphicon-move"></i>',
-                    dragClass: 'text-primary',
-                    dragTitle: 'Move / Rearrange',
-                    dragSettings: {},
-                    indicatorNew: '<i class="glyphicon glyphicon-plus-sign text-warning"></i>',
-                    indicatorSuccess: '<i class="glyphicon glyphicon-ok-sign text-success"></i>',
-                    indicatorError: '<i class="glyphicon glyphicon-exclamation-sign text-danger"></i>',
-                    indicatorLoading: '<i class="glyphicon glyphicon-hourglass text-muted"></i>',
-                    indicatorPaused: '<i class="glyphicon glyphicon-pause text-primary"></i>',
-                    indicatorNewTitle: 'Not uploaded yet',
-                    indicatorSuccessTitle: 'Uploaded',
-                    indicatorErrorTitle: 'Upload Error',
-                    indicatorLoadingTitle: 'Uploading &hellip;',
-                    indicatorPausedTitle: 'Upload Paused'
-                }
-            };
-            $.each(self.defaults, function (key, setting) {
-                if (key === 'allowedPreviewTypes') {
-                    if (self.allowedPreviewTypes === undefined) {
-                        self.allowedPreviewTypes = setting;
-                    }
-                    return;
-                }
-                self[key] = $.extend(true, {}, setting, self[key]);
-            });
-            self._initPreviewTemplates();
-        },
-        _initPreviewTemplates: function () {
-            var self = this, tags = self.previewMarkupTags, tagBef, tagAft = tags.tagAfter;
-            $.each(self.previewContentTemplates, function (key, value) {
-                if ($h.isEmpty(self.previewTemplates[key])) {
-                    tagBef = tags.tagBefore2;
-                    if (key === 'generic' || key === 'image') {
-                        tagBef = tags.tagBefore1;
-                    }
-                    if (self._isPdfRendered() && key === 'pdf') {
-                        tagBef = tagBef.replace('kv-file-content', 'kv-file-content kv-pdf-rendered');
-                    }
-                    self.previewTemplates[key] = tagBef + value + tagAft;
-                }
-            });
-        },
-        _initPreviewCache: function () {
-            var self = this;
-            self.previewCache = {
-                data: {},
-                init: function () {
-                    var content = self.initialPreview;
-                    if (content.length > 0 && !$h.isArray(content)) {
-                        content = content.split(self.initialPreviewDelimiter);
-                    }
-                    self.previewCache.data = {
-                        content: content,
-                        config: self.initialPreviewConfig,
-                        tags: self.initialPreviewThumbTags
-                    };
-                },
-                count: function (skipNull) {
-                    if (!self.previewCache.data || !self.previewCache.data.content) {
-                        return 0;
-                    }
-                    if (skipNull) {
-                        var chk = self.previewCache.data.content.filter(function (n) {
-                            return n !== null;
-                        });
-                        return chk.length;
-                    }
-                    return self.previewCache.data.content.length;
-                },
-                get: function (i, isDisabled) {
-                    var ind = $h.INIT_FLAG + i, data = self.previewCache.data, config = data.config[i],
-                        content = data.content[i], out, $tmp, cat, ftr,
-                        fname, ftype, frameClass, asData = $h.ifSet('previewAsData', config, self.initialPreviewAsData),
-                        a = config ? {title: config.title || null, alt: config.alt || null} : {title: null, alt: null},
-                        parseTemplate = function (cat, dat, fname, ftype, ftr, ind, fclass, t) {
-                            var fc = ' file-preview-initial ' + $h.SORT_CSS + (fclass ? ' ' + fclass : ''),
-                                id = self.previewInitId + '-' + ind,
-                                fileId = config && config.fileId || id;
-                            /** @namespace config.zoomData */
-                            return self._generatePreviewTemplate(cat, dat, fname, ftype, id, fileId, false, null, null, fc,
-                                ftr, ind, t, a, config && config.zoomData || dat);
-                        };
-                    if (!content || !content.length) {
-                        return '';
-                    }
-                    isDisabled = isDisabled === undefined ? true : isDisabled;
-                    cat = $h.ifSet('type', config, self.initialPreviewFileType || 'generic');
-                    fname = $h.ifSet('filename', config, $h.ifSet('caption', config));
-                    ftype = $h.ifSet('filetype', config, cat);
-                    ftr = self.previewCache.footer(i, isDisabled, (config && config.size || null));
-                    frameClass = $h.ifSet('frameClass', config);
-                    if (asData) {
-                        out = parseTemplate(cat, content, fname, ftype, ftr, ind, frameClass);
-                    } else {
-                        out = parseTemplate('generic', content, fname, ftype, ftr, ind, frameClass, cat)
-                            .setTokens({'content': data.content[i]});
-                    }
-                    if (data.tags.length && data.tags[i]) {
-                        out = $h.replaceTags(out, data.tags[i]);
-                    }
-                    /** @namespace config.frameAttr */
-                    if (!$h.isEmpty(config) && !$h.isEmpty(config.frameAttr)) {
-                        $tmp = $h.createElement(out);
-                        $tmp.find('.file-preview-initial').attr(config.frameAttr);
-                        out = $tmp.html();
-                        $tmp.remove();
-                    }
-                    return out;
-                },
-                clean: function (data) {
-                    data.content = $h.cleanArray(data.content);
-                    data.config = $h.cleanArray(data.config);
-                    data.tags = $h.cleanArray(data.tags);
-                    self.previewCache.data = data;
-                },
-                add: function (content, config, tags, append) {
-                    var data = self.previewCache.data, index;
-                    if (!content || !content.length) {
-                        return 0;
-                    }
-                    index = content.length - 1;
-                    if (!$h.isArray(content)) {
-                        content = content.split(self.initialPreviewDelimiter);
-                    }
-                    if (append && data.content) {
-                        index = data.content.push(content[0]) - 1;
-                        data.config[index] = config;
-                        data.tags[index] = tags;
-                    } else {
-                        data.content = content;
-                        data.config = config;
-                        data.tags = tags;
-                    }
-                    self.previewCache.clean(data);
-                    return index;
-                },
-                set: function (content, config, tags, append) {
-                    var data = self.previewCache.data, i, chk;
-                    if (!content || !content.length) {
-                        return;
-                    }
-                    if (!$h.isArray(content)) {
-                        content = content.split(self.initialPreviewDelimiter);
-                    }
-                    chk = content.filter(function (n) {
-                        return n !== null;
-                    });
-                    if (!chk.length) {
-                        return;
-                    }
-                    if (data.content === undefined) {
-                        data.content = [];
-                    }
-                    if (data.config === undefined) {
-                        data.config = [];
-                    }
-                    if (data.tags === undefined) {
-                        data.tags = [];
-                    }
-                    if (append) {
-                        for (i = 0; i < content.length; i++) {
-                            if (content[i]) {
-                                data.content.push(content[i]);
-                            }
-                        }
-                        for (i = 0; i < config.length; i++) {
-                            if (config[i]) {
-                                data.config.push(config[i]);
-                            }
-                        }
-                        for (i = 0; i < tags.length; i++) {
-                            if (tags[i]) {
-                                data.tags.push(tags[i]);
-                            }
-                        }
-                    } else {
-                        data.content = content;
-                        data.config = config;
-                        data.tags = tags;
-                    }
-                    self.previewCache.clean(data);
-                },
-                unset: function (index) {
-                    var chk = self.previewCache.count(), rev = self.reversePreviewOrder;
-                    if (!chk) {
-                        return;
-                    }
-                    if (chk === 1) {
-                        self.previewCache.data.content = [];
-                        self.previewCache.data.config = [];
-                        self.previewCache.data.tags = [];
-                        self.initialPreview = [];
-                        self.initialPreviewConfig = [];
-                        self.initialPreviewThumbTags = [];
-                        return;
-                    }
-                    self.previewCache.data.content = $h.spliceArray(self.previewCache.data.content, index, rev);
-                    self.previewCache.data.config = $h.spliceArray(self.previewCache.data.config, index, rev);
-                    self.previewCache.data.tags = $h.spliceArray(self.previewCache.data.tags, index, rev);
-                    var data = $.extend(true, {}, self.previewCache.data);
-                    self.previewCache.clean(data);
-                },
-                out: function () {
-                    var html = '', caption, len = self.previewCache.count(), i, content;
-                    if (len === 0) {
-                        return {content: '', caption: ''};
-                    }
-                    for (i = 0; i < len; i++) {
-                        content = self.previewCache.get(i);
-                        html = self.reversePreviewOrder ? (content + html) : (html + content);
-                    }
-                    caption = self._getMsgSelected(len);
-                    return {content: html, caption: caption};
-                },
-                footer: function (i, isDisabled, size) {
-                    var data = self.previewCache.data || {};
-                    if ($h.isEmpty(data.content)) {
-                        return '';
-                    }
-                    if ($h.isEmpty(data.config) || $h.isEmpty(data.config[i])) {
-                        data.config[i] = {};
-                    }
-                    isDisabled = isDisabled === undefined ? true : isDisabled;
-                    var config = data.config[i], caption = $h.ifSet('caption', config), a,
-                        width = $h.ifSet('width', config, 'auto'), url = $h.ifSet('url', config, false),
-                        key = $h.ifSet('key', config, null), fileId = $h.ifSet('fileId', config, null),
-                        fs = self.fileActionSettings, initPreviewShowDel = self.initialPreviewShowDelete || false,
-                        downloadInitialUrl = !self.initialPreviewDownloadUrl ? '' :
-                            self.initialPreviewDownloadUrl + '?key=' + key + (fileId ? '&fileId=' + fileId : ''),
-                        dUrl = config.downloadUrl || downloadInitialUrl,
-                        dFil = config.filename || config.caption || '',
-                        initPreviewShowDwl = !!(dUrl),
-                        sDel = $h.ifSet('showRemove', config, initPreviewShowDel),
-                        sRot = $h.ifSet('showRotate', config, $h.ifSet('showRotate', fs, true)),
-                        sDwl = $h.ifSet('showDownload', config, $h.ifSet('showDownload', fs, initPreviewShowDwl)),
-                        sZm = $h.ifSet('showZoom', config, $h.ifSet('showZoom', fs, true)),
-                        sDrg = $h.ifSet('showDrag', config, $h.ifSet('showDrag', fs, true)),
-                        dis = (url === false) && isDisabled;
-                    sDwl = sDwl && config.downloadUrl !== false && !!dUrl;
-                    a = self._renderFileActions(config, false, sDwl, sDel, sRot, sZm, sDrg, dis, url, key, true, dUrl, dFil);
-                    return self._getLayoutTemplate('footer').setTokens({
-                        'progress': self._renderThumbProgress(),
-                        'actions': a,
-                        'caption': caption,
-                        'size': self._getSize(size),
-                        'width': width,
-                        'indicator': ''
-                    });
-                }
-            };
-            self.previewCache.init();
-        },
-        _isPdfRendered: function () {
-            var self = this, useLib = self.usePdfRenderer,
-                flag = typeof useLib === 'function' ? useLib() : !!useLib;
-            return flag && self.pdfRendererUrl;
-        },
-        _handler: function ($el, event, callback) {
-            var self = this, ns = self.namespace, ev = event.split(' ').join(ns + ' ') + ns;
-            if (!$el || !$el.length) {
-                return;
-            }
-            $el.off(ev).on(ev, callback);
-        },
-        _encodeURI: function (vUrl) {
-            var self = this;
-            return self.encodeUrl ? encodeURI(vUrl) : vUrl;
-        },
-        _log: function (msg, tokens) {
-            var self = this, id = self.$element.attr('id');
-            if (!self.showConsoleLogs) {
-                return;
-            }
-            if (id) {
-                msg = '"' + id + '": ' + msg;
-            }
-            msg = 'bootstrap-fileinput: ' + msg;
-            if (typeof tokens === 'object') {
-                msg = msg.setTokens(tokens);
-            }
-            if (window.console && typeof window.console.log !== 'undefined') {
-                window.console.log(msg);
-            } else {
-                window.alert(msg);
-            }
-        },
-        _validate: function () {
-            var self = this, status = self.$element.attr('type') === 'file';
-            if (!status) {
-                self._log($h.logMessages.badInputType);
-            }
-            return status;
-        },
-        _errorsExist: function () {
-            var self = this, $err, $errList = self.$errorContainer.find('li');
-            if ($errList.length) {
-                return true;
-            }
-            $err = $h.createElement(self.$errorContainer.html());
-            $err.find('.kv-error-close').remove();
-            $err.find('ul').remove();
-            return !!$.trim($err.text()).length;
-        },
-        _errorHandler: function (evt, caption) {
-            var self = this, err = evt.target.error, showError = function (msg) {
-                self._showError(msg.replace('{name}', caption));
-            };
-            /** @namespace err.NOT_FOUND_ERR */
-            /** @namespace err.SECURITY_ERR */
-            /** @namespace err.NOT_READABLE_ERR */
-            if (err.code === err.NOT_FOUND_ERR) {
-                showError(self.msgFileNotFound);
-            } else {
-                if (err.code === err.SECURITY_ERR) {
-                    showError(self.msgFileSecured);
-                } else {
-                    if (err.code === err.NOT_READABLE_ERR) {
-                        showError(self.msgFileNotReadable);
-                    } else {
-                        if (err.code === err.ABORT_ERR) {
-                            showError(self.msgFilePreviewAborted);
-                        } else {
-                            showError(self.msgFilePreviewError);
-                        }
-                    }
-                }
-            }
-        },
-        _addError: function (msg) {
-            var self = this, $error = self.$errorContainer;
-            if (msg && $error.length) {
-                $h.setHtml($error, self.errorCloseButton + msg);
-                self._handler($error.find('.kv-error-close'), 'click', function () {
-                    setTimeout(function () {
-                        if (self.showPreview && !self.getFrames().length) {
-                            self.clear();
-                        }
-                        $error.fadeOut('slow');
-                    }, self.processDelay);
-                });
-            }
-        },
-        _setValidationError: function (css) {
-            var self = this;
-            css = (css ? css + ' ' : '') + 'has-error';
-            self.$container.removeClass(css).addClass('has-error');
-            $h.addCss(self.$caption, 'is-invalid');
-        },
-        _resetErrors: function (fade) {
-            var self = this, $error = self.$errorContainer, history = self.resumableUploadOptions.retainErrorHistory;
-            if (self.isPersistentError || (self.enableResumableUpload && history && !self.clearInput)) {
-                return;
-            }
-            self.clearInput = false;
-            self.isError = false;
-            self.$container.removeClass('has-error');
-            self.$caption.removeClass('is-invalid is-valid file-processing');
-            $error.html('');
-            if (fade) {
-                $error.fadeOut('slow');
-            } else {
-                $error.hide();
-            }
-        },
-        _showFolderError: function (folders) {
-            var self = this, $error = self.$errorContainer, msg;
-            if (!folders) {
-                return;
-            }
-            if (!self.isAjaxUpload) {
-                self._clearFileInput();
-            }
-            msg = self.msgFoldersNotAllowed.replace('{n}', folders);
-            self._addError(msg);
-            self._setValidationError();
-            $error.fadeIn(self.fadeDelay);
-            self._raise('filefoldererror', [folders, msg]);
-        },
-        showUserError: function (msg, params, retainErrorHistory) {
-            var self = this, fileName;
-            if (!self.uploadInitiated) {
-                return;
-            }
-            if (!params || !params.fileId) {
-                if (!retainErrorHistory) {
-                    self.$errorContainer.html('');
-                }
-            } else {
-                if (!retainErrorHistory) {
-                    self.$errorContainer.find('[data-file-id="' + params.fileId + '"]').remove();
-                }
-                fileName = self.fileManager.getFileName(params.fileId);
-                if (fileName) {
-                    msg = '<b>' + fileName + ':</b> ' + msg;
-                }
-            }
-            self._showFileError(msg, params, 'fileusererror');
-        },
-        _showFileError: function (msg, params, event) {
-            var self = this, $error = self.$errorContainer, ev = event || 'fileuploaderror',
-                fId = params && params.fileId || '', e = params && params.id ?
-                    '<li data-thumb-id="' + params.id + '" data-file-id="' + fId + '">' + msg + '</li>' :
-                    '<li>' + msg + '</li>';
-
-            if ($error.find('ul').length === 0) {
-                self._addError('<ul>' + e + '</ul>');
-            } else {
-                $error.find('ul').append(e);
-            }
-            $error.fadeIn(self.fadeDelay);
-            self._raise(ev, [params, msg]);
-            self._setValidationError('file-input-new');
-            return true;
-        },
-        _showError: function (msg, params, event) {
-            var self = this, $error = self.$errorContainer, ev = event || 'fileerror';
-            params = params || {};
-            params.reader = self.reader;
-            self._addError(msg);
-            $error.fadeIn(self.fadeDelay);
-            self._raise(ev, [params, msg]);
-            if (!self.isAjaxUpload) {
-                self._clearFileInput();
-            }
-            self._setValidationError('file-input-new');
-            self.$btnUpload.attr('disabled', true);
-            return true;
-        },
-        _noFilesError: function (params) {
-            var self = this, label = self.minFileCount > 1 ? self.filePlural : self.fileSingle,
-                msg = self.msgFilesTooLess.replace('{n}', self.minFileCount).replace('{files}', label),
-                $error = self.$errorContainer;
-            msg = '<li>' + msg + '</li>';
-            if ($error.find('ul').length === 0) {
-                self._addError('<ul>' + msg + '</ul>');
-            } else {
-                $error.find('ul').append(msg);
-            }
-            self.isError = true;
-            self._updateFileDetails(0);
-            $error.fadeIn(self.fadeDelay);
-            self._raise('fileerror', [params, msg]);
-            self._clearFileInput();
-            self._setValidationError();
-        },
-        _parseError: function (operation, jqXHR, errorThrown, fileName) {
-            /** @namespace jqXHR.responseJSON */
-            var self = this, errMsg = $.trim(errorThrown + ''), textPre, errText, text;
-            errText = jqXHR.responseJSON && jqXHR.responseJSON.error ? jqXHR.responseJSON.error.toString() : '';
-            text = errText ? errText : jqXHR.responseText;
-            if (self.cancelling && self.msgUploadAborted) {
-                errMsg = self.msgUploadAborted;
-            }
-            if (self.showAjaxErrorDetails && text) {
-                if (errText) {
-                    errMsg = $.trim(errText + '');
-                } else {
-                    text = $.trim(text.replace(/\n\s*\n/g, '\n'));
-                    textPre = text.length ? '<pre>' + text + '</pre>' : '';
-                    errMsg += errMsg ? textPre : text;
-                }
-            }
-            if (!errMsg) {
-                errMsg = self.msgAjaxError.replace('{operation}', operation);
-            }
-            self.cancelling = false;
-            return fileName ? '<b>' + fileName + ': </b>' + errMsg : errMsg;
-        },
-        _parseFileType: function (type, name) {
-            var self = this, isValid, vType, cat, i, types = self.allowedPreviewTypes || [];
-            if (type === 'application/text-plain') {
-                return 'text';
-            }
-            for (i = 0; i < types.length; i++) {
-                cat = types[i];
-                isValid = self.fileTypeSettings[cat];
-                vType = isValid(type, name) ? cat : '';
-                if (!$h.isEmpty(vType)) {
-                    return vType;
-                }
-            }
-            return 'other';
-        },
-        _getPreviewIcon: function (fname) {
-            var self = this, ext, out = null;
-            if (fname && fname.indexOf('.') > -1) {
-                ext = fname.split('.').pop();
-                if (self.previewFileIconSettings) {
-                    out = self.previewFileIconSettings[ext] || self.previewFileIconSettings[ext.toLowerCase()] || null;
-                }
-                if (self.previewFileExtSettings) {
-                    $.each(self.previewFileExtSettings, function (key, func) {
-                        if (self.previewFileIconSettings[key] && func(ext)) {
-                            out = self.previewFileIconSettings[key];
-                            //noinspection UnnecessaryReturnStatementJS
-                            return;
-                        }
-                    });
-                }
-            }
-            return out || self.previewFileIcon;
-        },
-        _parseFilePreviewIcon: function (content, fname) {
-            var self = this, icn = self._getPreviewIcon(fname), out = content;
-            if (out.indexOf('{previewFileIcon}') > -1) {
-                out = out.setTokens({'previewFileIconClass': self.previewFileIconClass, 'previewFileIcon': icn});
-            }
-            return out;
-        },
-        _raise: function (event, params) {
-            var self = this, e = $.Event(event);
-            if (params !== undefined) {
-                self.$element.trigger(e, params);
-            } else {
-                self.$element.trigger(e);
-            }
-            var out = e.result, isAborted = out === false;
-            if (e.isDefaultPrevented() || isAborted) {
-                return false;
-            }
-            if (e.type === 'filebatchpreupload' && (out || isAborted)) {
-                self.ajaxAborted = out;
-                return false;
-            }
-            switch (event) {
-                // ignore these events
-                case 'filebatchuploadcomplete':
-                case 'filebatchuploadsuccess':
-                case 'fileuploaded':
-                case 'fileclear':
-                case 'filecleared':
-                case 'filereset':
-                case 'fileerror':
-                case 'filefoldererror':
-                case 'filecustomerror':
-                case 'filesuccessremove':
-                    break;
-                // receive data response via `filecustomerror` event`
-                default:
-                    if (!self.ajaxAborted) {
-                        self.ajaxAborted = out;
-                    }
-                    break;
-            }
-            return true;
-        },
-        _listenFullScreen: function (isFullScreen) {
-            var self = this, $modal = self.$modal, $btnFull, $btnBord;
-            if (!$modal || !$modal.length) {
-                return;
-            }
-            $btnFull = $modal && $modal.find('.btn-kv-fullscreen');
-            $btnBord = $modal && $modal.find('.btn-kv-borderless');
-            if (!$btnFull.length || !$btnBord.length) {
-                return;
-            }
-            $btnFull.removeClass('active').attr('aria-pressed', 'false');
-            $btnBord.removeClass('active').attr('aria-pressed', 'false');
-            if (isFullScreen) {
-                $btnFull.addClass('active').attr('aria-pressed', 'true');
-            } else {
-                $btnBord.addClass('active').attr('aria-pressed', 'true');
-            }
-            if ($modal.hasClass('file-zoom-fullscreen')) {
-                self._maximizeZoomDialog();
-            } else {
-                if (isFullScreen) {
-                    self._maximizeZoomDialog();
-                } else {
-                    $btnBord.removeClass('active').attr('aria-pressed', 'false');
-                }
-            }
-        },
-        _listen: function () {
-            var self = this, $el = self.$element, $form = self.$form, $cont = self.$container, fullScreenEv;
-            self._handler($el, 'click', function (e) {
-                self._initFileSelected();
-                if ($el.hasClass('file-no-browse')) {
-                    if ($el.data('zoneClicked')) {
-                        $el.data('zoneClicked', false);
-                    } else {
-                        e.preventDefault();
-                    }
-                }
-            });
-            self._handler($el, 'change', $.proxy(self._change, self));
-            self._handler(self.$caption, 'paste', $.proxy(self.paste, self));
-            if (self.showBrowse) {
-                self._handler(self.$btnFile, 'click', $.proxy(self._browse, self));
-                self._handler(self.$btnFile, 'keypress', function (e) {
-                    var keycode = e.keyCode || e.which;
-                    if (keycode === 13) {
-                        $el.trigger('click');
-                        self._browse(e);
-                    }
-                });
-            }
-            self._handler($cont.find('.fileinput-remove:not([disabled])'), 'click', $.proxy(self.clear, self));
-            self._handler($cont.find('.fileinput-cancel'), 'click', $.proxy(self.cancel, self));
-            self._handler($cont.find('.fileinput-pause'), 'click', $.proxy(self.pause, self));
-            self._initDragDrop();
-            self._handler($form, 'reset', $.proxy(self.clear, self));
-            if (!self.isAjaxUpload) {
-                self._handler($form, 'submit', $.proxy(self._submitForm, self));
-            }
-            self._handler(self.$container.find('.fileinput-upload'), 'click', $.proxy(self._uploadClick, self));
-            self._handler($(window), 'resize', function () {
-                self._listenFullScreen(screen.width === window.innerWidth && screen.height === window.innerHeight);
-            });
-            fullScreenEv = 'webkitfullscreenchange mozfullscreenchange fullscreenchange MSFullscreenChange';
-            self._handler($(document), fullScreenEv, function () {
-                self._listenFullScreen($h.checkFullScreen());
-            });
-            self.$caption.on('focus', function () {
-                self.$captionContainer.focus();
-            });
-            self._autoFitContent();
-            self._initClickable();
-            self._refreshPreview();
-        },
-        _autoFitContent: function () {
-            var width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,
-                self = this, config = width < 400 ? (self.previewSettingsSmall || self.defaults.previewSettingsSmall) :
-                    (self.previewSettings || self.defaults.previewSettings), sel;
-            $.each(config, function (cat, settings) {
-                sel = '.file-preview-frame .file-preview-' + cat;
-                self.$preview.find(sel + '.kv-preview-data,' + sel + ' .kv-preview-data').css(settings);
-            });
-        },
-        _scanDroppedItems: function (item, files, path) {
-            path = path || '';
-            var self = this, i, dirReader, readDir, errorHandler = function (e) {
-                self._log($h.logMessages.badDroppedFiles);
-                self._log(e);
-            };
-            if (item.isFile) {
-                item.file(function (file) {
-                    if (path) {
-                        file.newPath = path + file.name;
-                    }
-                    files.push(file);
-                }, errorHandler);
-            } else {
-                if (item.isDirectory) {
-                    dirReader = item.createReader();
-                    readDir = function () {
-                        dirReader.readEntries(function (entries) {
-                            if (entries && entries.length > 0) {
-                                for (i = 0; i < entries.length; i++) {
-                                    self._scanDroppedItems(entries[i], files, path + item.name + '/');
-                                }
-                                // recursively call readDir() again, since browser can only handle first 100 entries.
-                                readDir();
-                            }
-                            return null;
-                        }, errorHandler);
-                    };
-                    readDir();
-                }
-            }
-
-        },
-        _initDragDrop: function () {
-            var self = this, $zone = self.$dropZone;
-            if (self.dropZoneEnabled && self.showPreview) {
-                self._handler($zone, 'dragenter dragover', $.proxy(self._zoneDragEnter, self));
-                self._handler($zone, 'dragleave', $.proxy(self._zoneDragLeave, self));
-                self._handler($zone, 'drop', $.proxy(self._zoneDrop, self));
-                self._handler($(document), 'dragenter dragover drop', self._zoneDragDropInit);
-            }
-        },
-        _zoneDragDropInit: function (e) {
-            e.stopPropagation();
-            e.preventDefault();
-        },
-        _zoneDragEnter: function (e) {
-            var self = this, dt = e.originalEvent.dataTransfer, hasFiles = $.inArray('Files', dt.types) > -1;
-            self._zoneDragDropInit(e);
-            if (self.isDisabled || !hasFiles) {
-                dt.effectAllowed = 'none';
-                dt.dropEffect = 'none';
-                return;
-            }
-            dt.dropEffect = 'copy';
-            if (self._raise('fileDragEnter', {'sourceEvent': e, 'files': dt.types.Files})) {
-                $h.addCss(self.$dropZone, 'file-highlighted');
-            }
-        },
-        _zoneDragLeave: function (e) {
-            var self = this;
-            self._zoneDragDropInit(e);
-            if (self.isDisabled) {
-                return;
-            }
-            if (self._raise('fileDragLeave', {'sourceEvent': e})) {
-                self.$dropZone.removeClass('file-highlighted');
-            }
-
-        },
-        _dropFiles: function (e, files) {
-            var self = this, $el = self.$element;
-            if (!self.isAjaxUpload) {
-                self.changeTriggered = true;
-                $el.get(0).files = files;
-                setTimeout(function () {
-                    self.changeTriggered = false;
-                    $el.trigger('change' + self.namespace);
-                }, self.processDelay);
-            } else {
-                self._change(e, files);
-            }
-            self.$dropZone.removeClass('file-highlighted');
-        },
-        _zoneDrop: function (e) {
-            /** @namespace e.originalEvent.dataTransfer */
-            var self = this, i, $el = self.$element, dt = e.originalEvent.dataTransfer,
-                files = dt.files, items = dt.items, folders = $h.getDragDropFolders(items);
-            e.preventDefault();
-            if (self.isDisabled || $h.isEmpty(files)) {
-                return;
-            }
-            if (!self._raise('fileDragDrop', {'sourceEvent': e, 'files': files})) {
-                return;
-            }
-            if (folders > 0) {
-                if (!self.isAjaxUpload) {
-                    self._showFolderError(folders);
-                    return;
-                }
-                files = [];
-                for (i = 0; i < items.length; i++) {
-                    var item = items[i].webkitGetAsEntry();
-                    if (item) {
-                        self._scanDroppedItems(item, files);
-                    }
-                }
-                setTimeout(function () {
-                    self._dropFiles(e, files);
-                }, 500);
-            } else {
-                self._dropFiles(e, files);
-            }
-        },
-        _uploadClick: function (e) {
-            var self = this, $btn = self.$container.find('.fileinput-upload'), $form,
-                isEnabled = !$btn.hasClass('disabled') && $h.isEmpty($btn.attr('disabled'));
-            if (e && e.isDefaultPrevented()) {
-                return;
-            }
-            if (!self.isAjaxUpload) {
-                if (isEnabled && $btn.attr('type') !== 'submit') {
-                    e.preventDefault();
-                    $form = $btn.closest('form');
-                    // downgrade to normal form submit if possible
-                    if ($form.length) {
-                        $form.trigger('submit');
-                    }
-                }
-                return;
-            }
-            e.preventDefault();
-            if (isEnabled) {
-                self.upload();
-            }
-        },
-        _submitForm: function () {
-            var self = this;
-            return self._isFileSelectionValid() && !self._abort({});
-        },
-        _clearPreview: function () {
-            var self = this,
-                $thumbs = self.showUploadedThumbs ? self.getFrames(':not(.file-preview-success)') : self.getFrames();
-            $thumbs.each(function () {
-                var $thumb = $(this);
-                $thumb.remove();
-            });
-            if (!self.getFrames().length || !self.showPreview) {
-                self._resetUpload();
-            }
-            self._validateDefaultPreview();
-        },
-        _initSortable: function () {
-            var self = this, $el = self.$preview, settings, selector = '.' + $h.SORT_CSS, $cont, $body = $('body'),
-                $html = $('html'), rev = self.reversePreviewOrder, Sortable = window.Sortable, beginGrab, endGrab;
-            if (!Sortable || $el.find(selector).length === 0) {
-                return;
-            }
-            $cont = $body.length ? $body : ($html.length ? $html : self.$container);
-            beginGrab = function () {
-                $cont.addClass('file-grabbing');
-            };
-            endGrab = function () {
-                $cont.removeClass('file-grabbing');
-            };
-            settings = {
-                handle: '.drag-handle-init',
-                dataIdAttr: 'data-fileid',
-                animation: 600,
-                draggable: selector,
-                scroll: false,
-                forceFallback: true,
-                onChoose: beginGrab,
-                onStart: beginGrab,
-                onUnchoose: endGrab,
-                onEnd: endGrab,
-                onSort: function (e) {
-                    var oldIndex = e.oldIndex, newIndex = e.newIndex, i = 0, len = self.initialPreviewConfig.length,
-                        exceedsLast = len > 0 && newIndex >= len, $item = $(e.item), $first;
-                    if (exceedsLast) {
-                        newIndex = len - 1;
-                    }
-                    self.initialPreview = $h.moveArray(self.initialPreview, oldIndex, newIndex, rev);
-                    self.initialPreviewConfig = $h.moveArray(self.initialPreviewConfig, oldIndex, newIndex, rev);
-                    self.previewCache.init();
-                    self.getFrames('.file-preview-initial').each(function () {
-                        $(this).attr('data-fileindex', $h.INIT_FLAG + i);
-                        i++;
-                    });
-                    if (exceedsLast) {
-                        $first = self.getFrames(':not(.file-preview-initial):first');
-                        if ($first.length) {
-                            $item.slideUp(function () {
-                                $item.insertBefore($first).slideDown();
-                            });
-                        }
-                    }
-                    self._raise('filesorted', {
-                        previewId: $item.attr('id'),
-                        'oldIndex': oldIndex,
-                        'newIndex': newIndex,
-                        stack: self.initialPreviewConfig
-                    });
-                },
-            };
-            $.extend(true, settings, self.fileActionSettings.dragSettings);
-            if (self.sortable) {
-                self.sortable.destroy();
-            }
-            self.sortable = Sortable.create($el[0], settings);
-        },
-        _setPreviewContent: function (content) {
-            var self = this;
-            $h.setHtml(self.$preview, content);
-            self._autoFitContent();
-        },
-        _initPreviewImageOrientations: function () {
-            var self = this, i = 0, canOrientImage = self.canOrientImage;
-            if (!self.autoOrientImageInitial && !canOrientImage) {
-                return;
-            }
-            self.getFrames('.file-preview-initial').each(function () {
-                var $thumb = $(this), $img, $zoomImg, id, config = self.initialPreviewConfig[i];
-                /** @namespace config.exif */
-                if (config && config.exif && config.exif.Orientation) {
-                    id = $thumb.attr('id');
-                    $img = $thumb.find('>.kv-file-content img');
-                    $zoomImg = self._getZoom(id, ' >.kv-file-content img');
-                    if (canOrientImage) {
-                        $img.css('image-orientation', (self.autoOrientImageInitial ? 'from-image' : 'none'));
-                    } else {
-                        self.setImageOrientation($img, $zoomImg, config.exif.Orientation, $thumb);
-                    }
-                }
-                i++;
-            });
-        },
-        _initPreview: function (isInit) {
-            var self = this, cap = self.initialCaption || '', out;
-            if (!self.previewCache.count(true)) {
-                self._clearPreview();
-                if (isInit) {
-                    self._setCaption(cap);
-                } else {
-                    self._initCaption();
-                }
-                return;
-            }
-            out = self.previewCache.out();
-            cap = isInit && self.initialCaption ? self.initialCaption : out.caption;
-            self._setPreviewContent(out.content);
-            self._setInitThumbAttr();
-            self._setCaption(cap);
-            self._initSortable();
-            if (!$h.isEmpty(out.content)) {
-                self.$container.removeClass('file-input-new');
-            }
-            self._initPreviewImageOrientations();
-        },
-        _getZoomButton: function (type) {
-            var self = this, label = self.previewZoomButtonIcons[type], css = self.previewZoomButtonClasses[type],
-                title = ' title="' + (self.previewZoomButtonTitles[type] || '') + '" ', tag = $h.isBs(5) ? 'bs-' : '',
-                params = title + (type === 'close' ? ' data-' + tag + 'dismiss="modal" aria-hidden="true"' : '');
-            if (type === 'fullscreen' || type === 'borderless' || type === 'toggleheader') {
-                params += ' data-toggle="button" aria-pressed="false" autocomplete="off"';
-            }
-            return '<button type="button" class="' + css + ' btn-kv-' + type + '"' + params + '>' + label + '</button>';
-        },
-        _getModalContent: function () {
-            var self = this;
-            return self._getLayoutTemplate('modal').setTokens({
-                'rtl': self.rtl ? ' kv-rtl' : '',
-                'zoomFrameClass': self.frameClass,
-                'prev': self._getZoomButton('prev'),
-                'next': self._getZoomButton('next'),
-                'rotate': self._getZoomButton('rotate'),
-                'toggleheader': self._getZoomButton('toggleheader'),
-                'fullscreen': self._getZoomButton('fullscreen'),
-                'borderless': self._getZoomButton('borderless'),
-                'close': self._getZoomButton('close')
-            });
-        },
-        _listenModalEvent: function (event) {
-            var self = this, $modal = self.$modal, getParams = function (e) {
-                return {
-                    sourceEvent: e,
-                    previewId: $modal.data('previewId'),
-                    modal: $modal
-                };
-            };
-            $modal.on(event + '.bs.modal', function (e) {
-                if (e.namespace !== 'bs.modal') {
-                    return;
-                }
-                var $btnFull = $modal.find('.btn-fullscreen'), $btnBord = $modal.find('.btn-borderless');
-                if ($modal.data('fileinputPluginId') === self.$element.attr('id')) {
-                    self._raise('filezoom' + event, getParams(e));
-                }
-                if (event === 'shown') {
-                    self._handleRotation($modal, $modal.find('.file-zoom-detail'), $modal.data('angle'));
-                    $btnBord.removeClass('active').attr('aria-pressed', 'false');
-                    $btnFull.removeClass('active').attr('aria-pressed', 'false');
-                    if ($modal.hasClass('file-zoom-fullscreen')) {
-                        self._maximizeZoomDialog();
-                        if ($h.checkFullScreen()) {
-                            $btnFull.addClass('active').attr('aria-pressed', 'true');
-                        } else {
-                            $btnBord.addClass('active').attr('aria-pressed', 'true');
-                        }
-                    }
-                }
-            });
-        },
-        _initZoom: function () {
-            var self = this, $dialog, modalMain = self._getLayoutTemplate('modalMain'), modalId = '#' + $h.MODAL_ID;
-            modalMain = self._setTabIndex('modal', modalMain);
-            if (!self.showPreview) {
-                return;
-            }
-            self.$modal = $(modalId);
-            if (!self.$modal || !self.$modal.length) {
-                $dialog = $h.createElement($h.cspBuffer.stash(modalMain)).insertAfter(self.$container);
-                self.$modal = $(modalId).insertBefore($dialog);
-                $h.cspBuffer.apply(self.$modal);
-                $dialog.remove();
-            }
-            $h.initModal(self.$modal);
-            self.$modal.html($h.cspBuffer.stash(self._getModalContent()));
-            $h.cspBuffer.apply(self.$modal);
-            $.each($h.MODAL_EVENTS, function (key, event) {
-                self._listenModalEvent(event);
-            });
-        },
-        _initZoomButtons: function () {
-            var self = this, $modal = self.$modal, previewId = $modal.data('previewId') || '', $first, $last,
-                thumbs = self.getFrames().toArray(), len = thumbs.length, $prev = $modal.find('.btn-kv-prev'),
-                $next = $modal.find('.btn-kv-next'), $rotate = $modal.find('.btn-kv-rotate');
-            if (thumbs.length < 2) {
-                $prev.hide();
-                $next.hide();
-                return;
-            } else {
-                $prev.show();
-                $next.show();
-            }
-            if (!len) {
-                return;
-            }
-            $first = $(thumbs[0]);
-            $last = $(thumbs[len - 1]);
-            $prev.removeAttr('disabled');
-            $next.removeAttr('disabled');
-            if (self.reversePreviewOrder) {
-                [$prev, $next] = [$next, $prev]; // swap
-            }
-            if ($first.length && $first.attr('id') === previewId) {
-                $prev.attr('disabled', true);
-            }
-            if ($last.length && $last.attr('id') === previewId) {
-                $next.attr('disabled', true);
-            }
-        },
-        _maximizeZoomDialog: function () {
-            var self = this, $modal = self.$modal, $head = $modal.find('.modal-header:visible'),
-                $foot = $modal.find('.modal-footer:visible'), $body = $modal.find('.kv-zoom-body'),
-                h = $(window).height(), diff = 0;
-            $modal.addClass('file-zoom-fullscreen');
-            if ($head && $head.length) {
-                h -= $head.outerHeight(true);
-            }
-            if ($foot && $foot.length) {
-                h -= $foot.outerHeight(true);
-            }
-            if ($body && $body.length) {
-                diff = $body.outerHeight(true) - $body.height();
-                h -= diff;
-            }
-            $modal.find('.kv-zoom-body').height(h);
-        },
-        _resizeZoomDialog: function (fullScreen) {
-            var self = this, $modal = self.$modal, $btnFull = $modal.find('.btn-kv-fullscreen'),
-                $btnBord = $modal.find('.btn-kv-borderless');
-            if ($modal.hasClass('file-zoom-fullscreen')) {
-                $h.toggleFullScreen(false);
-                if (!fullScreen) {
-                    if (!$btnFull.hasClass('active')) {
-                        $modal.removeClass('file-zoom-fullscreen');
-                        self.$modal.find('.kv-zoom-body').css('height', self.zoomModalHeight);
-                    } else {
-                        $btnFull.removeClass('active').attr('aria-pressed', 'false');
-                    }
-                } else {
-                    if (!$btnFull.hasClass('active')) {
-                        $modal.removeClass('file-zoom-fullscreen');
-                        self._resizeZoomDialog(true);
-                        if ($btnBord.hasClass('active')) {
-                            $btnBord.removeClass('active').attr('aria-pressed', 'false');
-                        }
-                    }
-                }
-            } else {
-                if (!fullScreen) {
-                    self._maximizeZoomDialog();
-                    return;
-                }
-                $h.toggleFullScreen(true);
-            }
-            $modal.focus();
-        },
-        _setZoomContent: function ($frame, navigate) {
-            var self = this, $content, tmplt, body, title, $body, $dataEl, config, previewId = $frame.attr('id'),
-                $zoomPreview = self._getZoom(previewId), $modal = self.$modal, $tmp, desc, $desc,
-                $btnFull = $modal.find('.btn-kv-fullscreen'), $btnBord = $modal.find('.btn-kv-borderless'), cap, size,
-                $btnTogh = $modal.find('.btn-kv-toggleheader'), dir = navigate === 'prev' ? 'Left' : 'Right',
-                slideIn = 'slideIn' + dir, slideOut = 'slideOut' + dir, parsed, zoomData = $frame.data('zoom');
-            if (zoomData) {
-                zoomData = decodeURIComponent(zoomData);
-                parsed = $zoomPreview.html().replace(self.zoomPlaceholder, '').setTokens({zoomData: zoomData});
-                $zoomPreview.html(parsed);
-                $frame.data('zoom', '');
-                $zoomPreview.attr('data-zoom', zoomData);
-            }
-            tmplt = $zoomPreview.attr('data-template') || 'generic';
-            $content = $zoomPreview.find('.kv-file-content');
-            body = $content.length ? $content.html() : '';
-            cap = $frame.data('caption') || self.msgZoomModalHeading;
-            size = $frame.data('size') || '';
-            desc = $frame.data('description') || '';
-            $modal.find('.kv-zoom-caption').attr('title', cap).html(cap);
-            $modal.find('.kv-zoom-size').html(size);
-            $desc = $modal.find('.kv-zoom-description').hide();
-            if (desc) {
-                if (self.showDescriptionClose) {
-                    desc = self._getLayoutTemplate('descriptionClose').setTokens({
-                        closeIcon: self.previewZoomButtonIcons.close
-                    }) + '</button>' + desc;
-                }
-                $desc.show().html(desc);
-                if (self.showDescriptionClose) {
-                    self._handler($modal.find('.kv-desc-hide'), 'click', function () {
-                        $(this).parent().fadeOut('fast', function () {
-                            $modal.focus();
-                        });
-                    });
-                }
-            }
-            $body = $modal.find('.kv-zoom-body');
-            $modal.removeClass('kv-single-content');
-            if (navigate) {
-                $tmp = $body.addClass('file-thumb-loading').clone().insertAfter($body);
-                $h.setHtml($body, body).hide();
-                $tmp.fadeOut('fast', function () {
-                    $body.fadeIn('fast', function () {
-                        $body.removeClass('file-thumb-loading');
-                    });
-                    $tmp.remove();
-                });
-            } else {
-                $h.setHtml($body, body);
-            }
-            config = self.previewZoomSettings[tmplt];
-            if (config) {
-                $dataEl = $body.find('.kv-preview-data');
-                $h.addCss($dataEl, 'file-zoom-detail');
-                $.each(config, function (key, value) {
-                    $dataEl.css(key, value);
-                    if (($dataEl.attr('width') && key === 'width') || ($dataEl.attr('height') && key === 'height')) {
-                        $dataEl.removeAttr(key);
-                    }
-                });
-            }
-            $modal.data('previewId', previewId);
-            self._handler($modal.find('.btn-kv-prev'), 'click', function () {
-                self._zoomSlideShow('prev', previewId);
-            });
-            self._handler($modal.find('.btn-kv-next'), 'click', function () {
-                self._zoomSlideShow('next', previewId);
-            });
-            self._handler($btnFull, 'click', function () {
-                self._resizeZoomDialog(true);
-            });
-            self._handler($btnBord, 'click', function () {
-                self._resizeZoomDialog(false);
-            });
-            self._handler($btnTogh, 'click', function () {
-                var $header = $modal.find('.modal-header'), $floatBar = $modal.find('.floating-buttons'),
-                    ht, $actions = $header.find('.kv-zoom-actions'), resize = function (height) {
-                        var $body = self.$modal.find('.kv-zoom-body'), h = self.zoomModalHeight;
-                        if ($modal.hasClass('file-zoom-fullscreen')) {
-                            h = $body.outerHeight(true);
-                            if (!height) {
-                                h = h - $header.outerHeight(true);
-                            }
-                        }
-                        $body.css('height', height ? h + height : h);
-                    };
-                if ($header.is(':visible')) {
-                    ht = $header.outerHeight(true);
-                    $header.slideUp('slow', function () {
-                        $actions.find('.btn').appendTo($floatBar);
-                        resize(ht);
-                    });
-                } else {
-                    $floatBar.find('.btn').appendTo($actions);
-                    $header.slideDown('slow', function () {
-                        resize();
-                    });
-                }
-                $modal.focus();
-            });
-            self._handler($modal, 'keydown', function (e) {
-                var key = e.which || e.keyCode, delay = self.processDelay + 1, $prev = $(this).find('.btn-kv-prev'),
-                    $next = $(this).find('.btn-kv-next'), vId = $(this).data('previewId'), vPrevKey, vNextKey;
-                [vPrevKey, vNextKey] = self.rtl ? [39, 37] : [37, 39];
-                $.each({prev: [$prev, vPrevKey], next: [$next, vNextKey]}, function (direction, config) {
-                    var $btn = config[0], vKey = config[1];
-                    if (key === vKey && $btn.length) {
-                        $modal.focus();
-                        if (!$btn.attr('disabled')) {
-                            $btn.blur();
-                            setTimeout(function () {
-                                $btn.focus();
-                                self._zoomSlideShow(direction, vId);
-                                setTimeout(function () {
-                                    if ($btn.attr('disabled')) {
-                                        $modal.focus();
-                                    }
-                                }, delay);
-                            }, delay);
-                        }
-                    }
-                });
-            });
-        },
-        _showModal: function ($frame) {
-            var self = this, $modal = self.$modal, $content, css, angle;
-            if (!$frame || !$frame.length) {
-                return;
-            }
-            $h.initModal($modal);
-            $h.setHtml($modal, self._getModalContent());
-            self._setZoomContent($frame);
-            $modal.removeClass('rotatable');
-            $modal.data({backdrop: false, fileinputPluginId: self.$element.attr('id')});
-            $modal.find('.kv-zoom-body').css('height', self.zoomModalHeight);
-            $content = $frame.find('.kv-file-content > :first-child');
-            if ($content.length) {
-                css = $content.css('transform');
-                if (css) {
-                    $modal.find('.file-zoom-detail').css('transform', css);
-                }
-            }
-            if ($frame.hasClass('rotatable')) {
-                $modal.addClass('rotatable');
-            }
-            if ($frame.data('angle')) {
-                $modal.data('angle', $frame.data('angle'));
-            }
-            angle = ($frame.data('angle') || 0);
-            $modal.modal('show');
-            self._initZoomButtons();
-            self._initRotateZoom($frame, $content);
-        },
-        _zoomPreview: function ($btn) {
-            var self = this, $frame;
-            if (!$btn.length) {
-                throw 'Cannot zoom to detailed preview!';
-            }
-            $frame = $btn.closest($h.FRAMES);
-            self._showModal($frame);
-        },
-        _zoomSlideShow: function (dir, previewId) {
-            var self = this, $modal = self.$modal, $btn = $modal.find('.kv-zoom-actions .btn-kv-' + dir), $targFrame, i,
-                $thumb, thumbsData = self.getFrames().toArray(), thumbs = [], len = thumbsData.length, out, angle,
-                $content;
-            if (self.reversePreviewOrder) {
-                dir = dir === 'prev' ? 'next' : 'prev';
-            }
-            if ($btn.attr('disabled')) {
-                return;
-            }
-            for (i = 0; i < len; i++) {
-                $thumb = $(thumbsData[i]);
-                if ($thumb && $thumb.length && $thumb.find('.kv-file-zoom:visible').length) {
-                    thumbs.push(thumbsData[i]);
-                }
-            }
-            len = thumbs.length;
-            for (i = 0; i < len; i++) {
-                if ($(thumbs[i]).attr('id') === previewId) {
-                    out = dir === 'prev' ? i - 1 : i + 1;
-                    break;
-                }
-            }
-            if (out < 0 || out >= len || !thumbs[out]) {
-                return;
-            }
-            $targFrame = $(thumbs[out]);
-            if ($targFrame.length) {
-                self._setZoomContent($targFrame, dir);
-            }
-            self._initZoomButtons();
-            if ($targFrame.length && $targFrame.hasClass('rotatable')) {
-                angle = $targFrame.data('angle') || 0;
-                $modal.addClass('rotatable').data('angle', angle);
-                $content = $targFrame.find('.kv-file-content > :first-child');
-                self._initRotateZoom($targFrame, $content);
-            } else {
-                $modal.removeClass('rotatable').removeData('angle');
-            }
-            self._raise('filezoom' + dir, {'previewId': previewId, modal: self.$modal});
-        },
-        _initZoomButton: function () {
-            var self = this;
-            self.$preview.find('.kv-file-zoom').each(function () {
-                var $el = $(this);
-                self._handler($el, 'click', function () {
-                    self._zoomPreview($el);
-                });
-            });
-        },
-        _inputFileCount: function () {
-            return this.$element[0].files.length;
-        },
-        _refreshPreview: function () {
-            var self = this, files;
-            if ((!self._inputFileCount() && !self.isAjaxUpload) || !self.showPreview || !self.isPreviewable) {
-                return;
-            }
-            if (self.isAjaxUpload) {
-                if (self.fileManager.count() > 0) {
-                    files = $.extend(true, [], self.getFileList());
-                    self.fileManager.clear();
-                    self._clearFileInput();
-                } else {
-                    files = self.$element[0].files;
-                }
-            } else {
-                files = self.$element[0].files;
-            }
-            if (files && files.length) {
-                self.readFiles(files);
-            }
-        },
-        _clearObjects: function ($el) {
-            $el.find('video audio').each(function () {
-                this.pause();
-                $(this).remove();
-            });
-            $el.find('img object div').each(function () {
-                $(this).remove();
-            });
-        },
-        _clearFileInput: function () {
-            var self = this, $el = self.$element, $srcFrm, $tmpFrm, $tmpEl;
-            if (!self._inputFileCount()) {
-                return;
-            }
-            $srcFrm = $el.closest('form');
-            $tmpFrm = $(document.createElement('form'));
-            $tmpEl = $(document.createElement('div'));
-            $el.before($tmpEl);
-            if ($srcFrm.length) {
-                $srcFrm.after($tmpFrm);
-            } else {
-                $tmpEl.after($tmpFrm);
-            }
-            $tmpFrm.append($el).trigger('reset');
-            $tmpEl.before($el).remove();
-            $tmpFrm.remove();
-        },
-        _resetUpload: function () {
-            var self = this;
-            self.uploadInitiated = false;
-            self.uploadStartTime = $h.now();
-            self.uploadCache = [];
-            self.$btnUpload.removeAttr('disabled');
-            self._setProgress(0);
-            self._hideProgress();
-            self._resetErrors(false);
-            self._initAjax();
-            self.fileManager.clearImages();
-            self._resetCanvas();
-            if (self.overwriteInitial) {
-                self.initialPreview = [];
-                self.initialPreviewConfig = [];
-                self.initialPreviewThumbTags = [];
-                self.previewCache.data = {
-                    content: [],
-                    config: [],
-                    tags: []
-                };
-            }
-        },
-        _resetCanvas: function () {
-            var self = this;
-            if (self.imageCanvas && self.imageCanvasContext) {
-                self.imageCanvasContext.clearRect(0, 0, self.imageCanvas.width, self.imageCanvas.height);
-            }
-        },
-        _hasInitialPreview: function () {
-            var self = this;
-            return !self.overwriteInitial && self.previewCache.count(true);
-        },
-        _resetPreview: function () {
-            var self = this, out, cap, $div, hasSuc = self.showUploadedThumbs, hasErr = !self.removeFromPreviewOnError,
-                includeProcessed = (hasSuc || hasErr) && self.isDuplicateError;
-            if (self.previewCache.count(true)) {
-                out = self.previewCache.out();
-                if (includeProcessed) {
-                    $div = $h.createElement('').insertAfter(self.$container);
-                    self.getFrames().each(function () {
-                        var $thumb = $(this);
-                        if ((hasSuc && $thumb.hasClass('file-preview-success')) ||
-                            (hasErr && $thumb.hasClass('file-preview-error'))) {
-                            $div.append($thumb);
-                        }
-                    });
-                }
-                self._setPreviewContent(out.content);
-                self._setInitThumbAttr();
-                cap = self.initialCaption ? self.initialCaption : out.caption;
-                self._setCaption(cap);
-                if (includeProcessed) {
-                    $div.contents().appendTo(self.$preview);
-                    $div.remove();
-                }
-            } else {
-                self._clearPreview();
-                self._initCaption();
-            }
-            if (self.showPreview) {
-                self._initZoom();
-                self._initSortable();
-            }
-            self.isDuplicateError = false;
-        },
-        _clearDefaultPreview: function () {
-            var self = this;
-            self.$preview.find('.file-default-preview').remove();
-        },
-        _validateDefaultPreview: function () {
-            var self = this;
-            if (!self.showPreview || $h.isEmpty(self.defaultPreviewContent)) {
-                return;
-            }
-            self._setPreviewContent('<div class="file-default-preview">' + self.defaultPreviewContent + '</div>');
-            self.$container.removeClass('file-input-new');
-            self._initClickable();
-        },
-        _resetPreviewThumbs: function (isAjax) {
-            var self = this, out;
-            if (isAjax) {
-                self._clearPreview();
-                self.clearFileStack();
-                return;
-            }
-            if (self._hasInitialPreview()) {
-                out = self.previewCache.out();
-                self._setPreviewContent(out.content);
-                self._setInitThumbAttr();
-                self._setCaption(out.caption);
-                self._initPreviewActions();
-            } else {
-                self._clearPreview();
-            }
-        },
-        _getLayoutTemplate: function (t) {
-            var self = this, template = self.layoutTemplates[t];
-            if ($h.isEmpty(self.customLayoutTags)) {
-                return template;
-            }
-            return $h.replaceTags(template, self.customLayoutTags);
-        },
-        _getPreviewTemplate: function (t) {
-            var self = this, templates = self.previewTemplates, template = templates[t] || templates.other;
-            if ($h.isEmpty(self.customPreviewTags)) {
-                return template;
-            }
-            return $h.replaceTags(template, self.customPreviewTags);
-        },
-        _getOutData: function (formdata, jqXHR, responseData, filesData) {
-            var self = this;
-            jqXHR = jqXHR || {};
-            responseData = responseData || {};
-            filesData = filesData || self.fileManager.list();
-            return {
-                formdata: formdata,
-                files: filesData,
-                filenames: self.filenames,
-                filescount: self.getFilesCount(),
-                extra: self._getExtraData(),
-                response: responseData,
-                reader: self.reader,
-                jqXHR: jqXHR
-            };
-        },
-        _getMsgSelected: function (n, processing) {
-            var self = this, strFiles = n === 1 ? self.fileSingle : self.filePlural;
-            return n > 0 ? self.msgSelected.replace('{n}', n).replace('{files}', strFiles) :
-                (processing ? self.msgProcessing : self.msgNoFilesSelected);
-        },
-        _getFrame: function (id, skipWarning) {
-            var self = this, $frame = $h.getFrameElement(self.$preview, id);
-            if (self.showPreview && !skipWarning && !$frame.length) {
-                self._log($h.logMessages.invalidThumb, {id: id});
-            }
-            return $frame;
-        },
-        _getZoom: function (id, selector) {
-            var self = this, $frame = $h.getZoomElement(self.$preview, id, selector);
-            if (self.showPreview && !$frame.length) {
-                self._log($h.logMessages.invalidThumb, {id: id});
-            }
-            return $frame;
-        },
-        _getThumbs: function (css) {
-            css = css || '';
-            return this.getFrames(':not(.file-preview-initial)' + css);
-        },
-        _getThumbId: function (fileId) {
-            var self = this;
-            return self.previewInitId + '-' + fileId;
-        },
-        _getExtraData: function (fileId, index) {
-            var self = this, data = self.uploadExtraData;
-            if (typeof self.uploadExtraData === 'function') {
-                data = self.uploadExtraData(fileId, index);
-            }
-            return data;
-        },
-        _initXhr: function (xhrobj, fileId) {
-            var self = this, fm = self.fileManager, func = function (event) {
-                var pct = 0, total = event.total, loaded = event.loaded || event.position,
-                    stats = fm.getUploadStats(fileId, loaded, total);
-                /** @namespace event.lengthComputable */
-                if (event.lengthComputable && !self.enableResumableUpload) {
-                    pct = $h.round(loaded / total * 100);
-                }
-                if (fileId) {
-                    self._setFileUploadStats(fileId, pct, stats);
-                } else {
-                    self._setProgress(pct, null, null, self._getStats(stats));
-                }
-                self._raise('fileajaxprogress', [stats]);
-            };
-            if (xhrobj.upload) {
-                if (self.progressDelay) {
-                    func = $h.debounce(func, self.progressDelay);
-                }
-                xhrobj.upload.addEventListener('progress', func, false);
-            }
-            return xhrobj;
-        },
-        _initAjaxSettings: function () {
-            var self = this;
-            self._ajaxSettings = $.extend(true, {}, self.ajaxSettings);
-            self._ajaxDeleteSettings = $.extend(true, {}, self.ajaxDeleteSettings);
-        },
-        _mergeAjaxCallback: function (funcName, srcFunc, type) {
-            var self = this, settings = self._ajaxSettings, flag = self.mergeAjaxCallbacks, targFunc;
-            if (type === 'delete') {
-                settings = self._ajaxDeleteSettings;
-                flag = self.mergeAjaxDeleteCallbacks;
-            }
-            targFunc = settings[funcName];
-            if (flag && typeof targFunc === 'function') {
-                if (flag === 'before') {
-                    settings[funcName] = function () {
-                        targFunc.apply(this, arguments);
-                        srcFunc.apply(this, arguments);
-                    };
-                } else {
-                    settings[funcName] = function () {
-                        srcFunc.apply(this, arguments);
-                        targFunc.apply(this, arguments);
-                    };
-                }
-            } else {
-                settings[funcName] = srcFunc;
-            }
-        },
-        _ajaxSubmit: function (fnBefore, fnSuccess, fnComplete, fnError, formdata, fileId, index, vUrl) {
-            var self = this, settings, defaults, data, tm = self.taskManager;
-            if (!self._raise('filepreajax', [formdata, fileId, index])) {
-                return;
-            }
-            formdata.append('initialPreview', JSON.stringify(self.initialPreview));
-            formdata.append('initialPreviewConfig', JSON.stringify(self.initialPreviewConfig));
-            formdata.append('initialPreviewThumbTags', JSON.stringify(self.initialPreviewThumbTags));
-            self._initAjaxSettings();
-            self._mergeAjaxCallback('beforeSend', fnBefore);
-            self._mergeAjaxCallback('success', fnSuccess);
-            self._mergeAjaxCallback('complete', fnComplete);
-            self._mergeAjaxCallback('error', fnError);
-            vUrl = vUrl || self.uploadUrlThumb || self.uploadUrl;
-            if (typeof vUrl === 'function') {
-                vUrl = vUrl();
-            }
-            data = self._getExtraData(fileId, index) || {};
-            if (typeof data === 'object') {
-                $.each(data, function (key, value) {
-                    formdata.append(key, value);
-                });
-            }
-            defaults = {
-                xhr: function () {
-                    var xhrobj = $.ajaxSettings.xhr();
-                    return self._initXhr(xhrobj, fileId);
-                },
-                url: self._encodeURI(vUrl),
-                type: 'POST',
-                dataType: 'json',
-                data: formdata,
-                cache: false,
-                processData: false,
-                contentType: false
-            };
-            settings = $.extend(true, {}, defaults, self._ajaxSettings);
-            self.ajaxQueue.push(settings);
-            tm.addTask(fileId + '-' + index, function () {
-                var self = this.self, config, xhr;
-                config = self.ajaxQueue.shift();
-                xhr = $.ajax(config);
-                self.ajaxRequests.push(xhr);
-            }).runWithContext({self: self});
-        },
-        _mergeArray: function (prop, content) {
-            var self = this, arr1 = $h.cleanArray(self[prop]), arr2 = $h.cleanArray(content);
-            self[prop] = arr1.concat(arr2);
-        },
-        _initUploadSuccess: function (out, $thumb, allFiles) {
-            var self = this, append, data, index, $div, content, config, tags, id, i;
-            if (!self.showPreview || typeof out !== 'object' || $.isEmptyObject(out)) {
-                self._resetCaption();
-                return;
-            }
-            if (out.initialPreview !== undefined && out.initialPreview.length > 0) {
-                self.hasInitData = true;
-                content = out.initialPreview || [];
-                config = out.initialPreviewConfig || [];
-                tags = out.initialPreviewThumbTags || [];
-                append = out.append === undefined || out.append;
-                if (content.length > 0 && !$h.isArray(content)) {
-                    content = content.split(self.initialPreviewDelimiter);
-                }
-                if (content.length) {
-                    self._mergeArray('initialPreview', content);
-                    self._mergeArray('initialPreviewConfig', config);
-                    self._mergeArray('initialPreviewThumbTags', tags);
-                }
-                if ($thumb !== undefined) {
-                    if (!allFiles) {
-                        index = self.previewCache.add(content[0], config[0], tags[0], append);
-                        data = self.previewCache.get(index, false);
-                        $div = $h.createElement(data).hide().appendTo($thumb);
-                        $thumb.fadeOut('slow', function () {
-                            var $newThumb = $div.find('> .file-preview-frame');
-                            if ($newThumb && $newThumb.length) {
-                                $newThumb.insertBefore($thumb).fadeIn('slow').css('display:inline-block');
-                            }
-                            self._initPreviewActions();
-                            self._clearFileInput();
-                            $thumb.remove();
-                            $div.remove();
-                            self._initSortable();
-                        });
-                    } else {
-                        id = $thumb.attr('id');
-                        i = self._getUploadCacheIndex(id);
-                        if (i !== null) {
-                            self.uploadCache[i] = {
-                                id: id,
-                                content: content[0],
-                                config: config[0] || [],
-                                tags: tags[0] || [],
-                                append: append
-                            };
-                        }
-                    }
-                } else {
-                    self.previewCache.set(content, config, tags, append);
-                    self._initPreview();
-                    self._initPreviewActions();
-                }
-            }
-            self._resetCaption();
-        },
-        _getUploadCacheIndex: function (id) {
-            var self = this, i, len = self.uploadCache.length, config;
-            for (i = 0; i < len; i++) {
-                config = self.uploadCache[i];
-                if (config.id === id) {
-                    return i;
-                }
-            }
-            return null;
-        },
-        _initSuccessThumbs: function () {
-            var self = this;
-            if (!self.showPreview) {
-                return;
-            }
-            setTimeout(function () {
-                self._getThumbs($h.FRAMES + '.file-preview-success').each(function () {
-                    var $thumb = $(this), $remove = $thumb.find('.kv-file-remove');
-                    $remove.removeAttr('disabled');
-                    self._handler($remove, 'click', function () {
-                        var id = $thumb.attr('id'),
-                            out = self._raise('filesuccessremove', [id, $thumb.attr('data-fileindex')]);
-                        $h.cleanMemory($thumb);
-                        if (out === false) {
-                            return;
-                        }
-                        self.$caption.attr('title', '');
-                        $thumb.fadeOut('slow', function () {
-                            var fm = self.fileManager;
-                            $thumb.remove();
-                            if (!self.getFrames().length) {
-                                self.reset();
-                            }
-                        });
-                    });
-                });
-            }, self.processDelay);
-        },
-        _updateInitialPreview: function () {
-            var self = this, u = self.uploadCache;
-            if (self.showPreview) {
-                $.each(u, function (key, setting) {
-                    self.previewCache.add(setting.content, setting.config, setting.tags, setting.append);
-                });
-                if (self.hasInitData) {
-                    self._initPreview();
-                    self._initPreviewActions();
-                }
-            }
-        },
-        _getThumbFileId: function ($thumb) {
-            var self = this;
-            if (self.showPreview && $thumb !== undefined) {
-                return $thumb.attr('data-fileid');
-            }
-            return null;
-        },
-        _getThumbFile: function ($thumb) {
-            var self = this, id = self._getThumbFileId($thumb);
-            return id ? self.fileManager.getFile(id) : null;
-        },
-        _uploadSingle: function (i, id, isBatch, deferrer) {
-            var self = this, fm = self.fileManager, count = fm.count(), formdata = new FormData(), outData,
-                previewId = self._getThumbId(id), $thumb, chkComplete, $btnUpload, $btnDelete,
-                hasPostData = count > 0 || !$.isEmptyObject(self.uploadExtraData), uploadFailed, $prog, fnBefore,
-                errMsg, fnSuccess, fnComplete, fnError, updateUploadLog, op = self.ajaxOperations.uploadThumb,
-                fileObj = fm.getFile(id), params = {id: previewId, index: i, fileId: id},
-                fileName = self.fileManager.getFileName(id, true), resolve = function () {
-                    if (deferrer && deferrer.resolve) {
-                        deferrer.resolve();
-                    }
-                }, reject = function () {
-                    if (deferrer && deferrer.reject) {
-                        deferrer.reject();
-                    }
-                };
-            if (self.enableResumableUpload) { // not enabled for resumable uploads
-                return;
-            }
-            self.uploadInitiated = true;
-            if (self.showPreview) {
-                $thumb = fm.getThumb(id);
-                $prog = $thumb.find('.file-thumb-progress');
-                $btnUpload = $thumb.find('.kv-file-upload');
-                $btnDelete = $thumb.find('.kv-file-remove');
-                $prog.show();
-            }
-            if (count === 0 || !hasPostData || (self.showPreview && $btnUpload && $btnUpload.hasClass('disabled')) ||
-                self._abort(params)) {
-                return;
-            }
-            updateUploadLog = function () {
-                if (!uploadFailed) {
-                    fm.removeFile(id);
-                } else {
-                    fm.errors.push(id);
-                }
-                fm.setProcessed(id);
-                if (fm.isProcessed()) {
-                    self.fileBatchCompleted = true;
-                    chkComplete();
-                }
-            };
-            chkComplete = function () {
-                var $initThumbs;
-                if (!self.fileBatchCompleted) {
-                    return;
-                }
-                setTimeout(function () {
-                    var triggerReset = fm.count() === 0, errCount = fm.errors.length;
-                    self._updateInitialPreview();
-                    self.unlock(triggerReset);
-                    if (triggerReset) {
-                        self._clearFileInput();
-                    }
-                    $initThumbs = self.$preview.find('.file-preview-initial');
-                    if (self.uploadAsync && $initThumbs.length) {
-                        $h.addCss($initThumbs, $h.SORT_CSS);
-                        self._initSortable();
-                    }
-                    self._raise('filebatchuploadcomplete', [fm.stack, self._getExtraData()]);
-                    if (!self.retryErrorUploads || errCount === 0) {
-                        fm.clear();
-                    }
-                    self._setProgress(101);
-                    self.ajaxAborted = false;
-                    self.uploadInitiated = false;
-                }, self.processDelay);
-            };
-            fnBefore = function (jqXHR) {
-                outData = self._getOutData(formdata, jqXHR);
-                fm.initStats(id);
-                self.fileBatchCompleted = false;
-                if (!isBatch) {
-                    self.ajaxAborted = false;
-                }
-                if (self.showPreview) {
-                    if (!$thumb.hasClass('file-preview-success')) {
-                        self._setThumbStatus($thumb, 'Loading');
-                        $h.addCss($thumb, 'file-uploading');
-                    }
-                    $btnUpload.attr('disabled', true);
-                    $btnDelete.attr('disabled', true);
-                }
-                if (!isBatch) {
-                    self.lock();
-                }
-                if (fm.errors.indexOf(id) !== -1) {
-                    delete fm.errors[id];
-                }
-                self._raise('filepreupload', [outData, previewId, i, self._getThumbFileId($thumb)]);
-                $.extend(true, params, outData);
-                if (self._abort(params)) {
-                    jqXHR.abort();
-
-                    if (!isBatch) {
-                        self._setThumbStatus($thumb, 'New');
-                        $thumb.removeClass('file-uploading');
-                        $btnUpload.removeAttr('disabled');
-                        $btnDelete.removeAttr('disabled');
-                    }
-                    self._setProgressCancelled();
-                }
-            };
-            fnSuccess = function (data, textStatus, jqXHR) {
-                var pid = self.showPreview && $thumb.attr('id') ? $thumb.attr('id') : previewId;
-                outData = self._getOutData(formdata, jqXHR, data);
-                $.extend(true, params, outData);
-                setTimeout(function () {
-                    if ($h.isEmpty(data) || $h.isEmpty(data.error)) {
-                        if (self.showPreview) {
-                            self._setThumbStatus($thumb, 'Success');
-                            $btnUpload.hide();
-                            self._initUploadSuccess(data, $thumb, isBatch);
-                            self._setProgress(101, $prog);
-                        }
-                        self._raise('fileuploaded', [outData, pid, i, self._getThumbFileId($thumb)]);
-                        if (!isBatch) {
-                            self.fileManager.remove($thumb);
-                        } else {
-                            updateUploadLog();
-                            resolve();
-                        }
-                    } else {
-                        uploadFailed = true;
-                        errMsg = self._parseError(op, jqXHR, self.msgUploadError, self.fileManager.getFileName(id));
-                        self._showFileError(errMsg, params);
-                        self._setPreviewError($thumb, true);
-                        if (!self.retryErrorUploads) {
-                            $btnUpload.hide();
-                        }
-                        if (isBatch) {
-                            updateUploadLog();
-                            resolve();
-                        }
-                        self._setProgress(101, self._getFrame(pid).find('.file-thumb-progress'),
-                            self.msgUploadError);
-                    }
-                }, self.processDelay);
-            };
-            fnComplete = function () {
-                if (self.showPreview) {
-                    $btnUpload.removeAttr('disabled');
-                    $btnDelete.removeAttr('disabled');
-                    $thumb.removeClass('file-uploading');
-                }
-                if (!isBatch) {
-                    self.unlock(false);
-                    self._clearFileInput();
-                } else {
-                    chkComplete();
-                }
-                self._initSuccessThumbs();
-            };
-            fnError = function (jqXHR, textStatus, errorThrown) {
-                errMsg = self._parseError(op, jqXHR, errorThrown, self.fileManager.getFileName(id));
-                uploadFailed = true;
-                setTimeout(function () {
-                    var $prog;
-                    if (isBatch) {
-                        updateUploadLog();
-                        reject();
-                    }
-                    self.fileManager.setProgress(id, 100);
-                    self._setPreviewError($thumb, true);
-                    if (!self.retryErrorUploads) {
-                        $btnUpload.hide();
-                    }
-                    $.extend(true, params, self._getOutData(formdata, jqXHR));
-                    self._setProgress(101, self.$progress, self.msgAjaxProgressError.replace('{operation}', op));
-                    $prog = self.showPreview && $thumb ? $thumb.find('.file-thumb-progress') : '';
-                    self._setProgress(101, $prog, self.msgUploadError);
-                    self._showFileError(errMsg, params);
-                }, self.processDelay);
-            };
-            self._setFileData(formdata, fileObj.file, fileName, id);
-            self._setUploadData(formdata, {fileId: id});
-            self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, formdata, id, i);
-        },
-        _setFileData: function (formdata, file, fileName, fileId) {
-            var self = this, preProcess = self.preProcessUpload;
-            if (preProcess && typeof preProcess === 'function') {
-                formdata.append(self.uploadFileAttr, preProcess(fileId, file));
-            } else {
-                formdata.append(self.uploadFileAttr, file, fileName);
-            }
-        },
-        _checkBatchPreupload: function (outData, jqXHR) {
-            var self = this, out = self._raise('filebatchpreupload', [outData]);
-            if (out) {
-                return true;
-            }
-            self._abort(outData);
-            if (jqXHR) {
-                jqXHR.abort();
-            }
-            self._getThumbs().each(function () {
-                var $thumb = $(this), $btnUpload = $thumb.find('.kv-file-upload'),
-                    $btnDelete = $thumb.find('.kv-file-remove');
-                if ($thumb.hasClass('file-preview-loading')) {
-                    self._setThumbStatus($thumb, 'New');
-                    $thumb.removeClass('file-uploading');
-                }
-                $btnUpload.removeAttr('disabled');
-                $btnDelete.removeAttr('disabled');
-            });
-            self._setProgressCancelled();
-            return false;
-        },
-        _uploadBatch: function () {
-            var self = this, fm = self.fileManager, total = fm.total(), params = {}, fnBefore, fnSuccess, fnError,
-                fnComplete, hasPostData = total > 0 || !$.isEmptyObject(self.uploadExtraData), errMsg,
-                setAllUploaded, formdata = new FormData(), op = self.ajaxOperations.uploadBatch;
-            if (total === 0 || !hasPostData || self._abort(params)) {
-                return;
-            }
-            setAllUploaded = function () {
-                self.fileManager.clear();
-                self._clearFileInput();
-            };
-            fnBefore = function (jqXHR) {
-                self.lock();
-                fm.initStats();
-                var outData = self._getOutData(formdata, jqXHR);
-                self.ajaxAborted = false;
-                if (self.showPreview) {
-                    self._getThumbs().each(function () {
-                        var $thumb = $(this), $btnUpload = $thumb.find('.kv-file-upload'),
-                            $btnDelete = $thumb.find('.kv-file-remove');
-                        if (!$thumb.hasClass('file-preview-success')) {
-                            self._setThumbStatus($thumb, 'Loading');
-                            $h.addCss($thumb, 'file-uploading');
-                        }
-                        $btnUpload.attr('disabled', true);
-                        $btnDelete.attr('disabled', true);
-                    });
-                }
-                self._checkBatchPreupload(outData, jqXHR);
-            };
-            fnSuccess = function (data, textStatus, jqXHR) {
-                /** @namespace data.errorkeys */
-                var outData = self._getOutData(formdata, jqXHR, data), key = 0,
-                    $thumbs = self._getThumbs(':not(.file-preview-success)'),
-                    keys = $h.isEmpty(data) || $h.isEmpty(data.errorkeys) ? [] : data.errorkeys;
-
-                if ($h.isEmpty(data) || $h.isEmpty(data.error)) {
-                    self._raise('filebatchuploadsuccess', [outData]);
-                    setAllUploaded();
-                    if (self.showPreview) {
-                        $thumbs.each(function () {
-                            var $thumb = $(this);
-                            self._setThumbStatus($thumb, 'Success');
-                            $thumb.removeClass('file-uploading');
-                            $thumb.find('.kv-file-upload').hide().removeAttr('disabled');
-                        });
-                        self._initUploadSuccess(data);
-                    } else {
-                        self.reset();
-                    }
-                    self._setProgress(101);
-                } else {
-                    if (self.showPreview) {
-                        $thumbs.each(function () {
-                            var $thumb = $(this);
-                            $thumb.removeClass('file-uploading');
-                            $thumb.find('.kv-file-upload').removeAttr('disabled');
-                            $thumb.find('.kv-file-remove').removeAttr('disabled');
-                            if (keys.length === 0 || $.inArray(key, keys) !== -1) {
-                                self._setPreviewError($thumb, true);
-                                if (!self.retryErrorUploads) {
-                                    $thumb.find('.kv-file-upload').hide();
-                                    self.fileManager.remove($thumb);
-                                }
-                            } else {
-                                $thumb.find('.kv-file-upload').hide();
-                                self._setThumbStatus($thumb, 'Success');
-                                self.fileManager.remove($thumb);
-                            }
-                            if (!$thumb.hasClass('file-preview-error') || self.retryErrorUploads) {
-                                key++;
-                            }
-                        });
-                        self._initUploadSuccess(data);
-                    }
-                    errMsg = self._parseError(op, jqXHR, self.msgUploadError);
-                    self._showFileError(errMsg, outData, 'filebatchuploaderror');
-                    self._setProgress(101, self.$progress, self.msgUploadError);
-                }
-            };
-            fnComplete = function () {
-                self.unlock();
-                self._initSuccessThumbs();
-                self._clearFileInput();
-                self._raise('filebatchuploadcomplete', [self.fileManager.stack, self._getExtraData()]);
-            };
-            fnError = function (jqXHR, textStatus, errorThrown) {
-                var outData = self._getOutData(formdata, jqXHR);
-                errMsg = self._parseError(op, jqXHR, errorThrown);
-                self._showFileError(errMsg, outData, 'filebatchuploaderror');
-                self.uploadFileCount = total - 1;
-                if (!self.showPreview) {
-                    return;
-                }
-                self._getThumbs().each(function () {
-                    var $thumb = $(this);
-                    $thumb.removeClass('file-uploading');
-                    if (self._getThumbFile($thumb)) {
-                        self._setPreviewError($thumb);
-                    }
-                });
-                self._getThumbs().removeClass('file-uploading');
-                self._getThumbs(' .kv-file-upload').removeAttr('disabled');
-                self._getThumbs(' .kv-file-delete').removeAttr('disabled');
-                self._setProgress(101, self.$progress, self.msgAjaxProgressError.replace('{operation}', op));
-            };
-            var ctr = 0;
-            $.each(self.fileManager.stack, function (key, data) {
-                if (!$h.isEmpty(data.file)) {
-                    self._setFileData(formdata, data.file, (data.nameFmt || ('untitled_' + ctr)), key);
-                }
-                ctr++;
-            });
-            self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, formdata);
-        },
-        _uploadExtraOnly: function () {
-            var self = this, params = {}, fnBefore, fnSuccess, fnComplete, fnError, formdata = new FormData(), errMsg,
-                op = self.ajaxOperations.uploadExtra;
-            fnBefore = function (jqXHR) {
-                self.lock();
-                var outData = self._getOutData(formdata, jqXHR);
-                self._setProgress(50);
-                params.data = outData;
-                params.xhr = jqXHR;
-                self._checkBatchPreupload(outData, jqXHR);
-            };
-            fnSuccess = function (data, textStatus, jqXHR) {
-                var outData = self._getOutData(formdata, jqXHR, data);
-                if ($h.isEmpty(data) || $h.isEmpty(data.error)) {
-                    self._raise('filebatchuploadsuccess', [outData]);
-                    self._clearFileInput();
-                    self._initUploadSuccess(data);
-                    self._setProgress(101);
-                } else {
-                    errMsg = self._parseError(op, jqXHR, self.msgUploadError);
-                    self._showFileError(errMsg, outData, 'filebatchuploaderror');
-                }
-            };
-            fnComplete = function () {
-                self.unlock();
-                self._clearFileInput();
-                self._raise('filebatchuploadcomplete', [self.fileManager.stack, self._getExtraData()]);
-            };
-            fnError = function (jqXHR, textStatus, errorThrown) {
-                var outData = self._getOutData(formdata, jqXHR);
-                errMsg = self._parseError(op, jqXHR, errorThrown);
-                params.data = outData;
-                self._showFileError(errMsg, outData, 'filebatchuploaderror');
-                self._setProgress(101, self.$progress, self.msgAjaxProgressError.replace('{operation}', op));
-            };
-            self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, formdata);
-        },
-        _deleteFileIndex: function ($frame) {
-            var self = this, ind = $frame.attr('data-fileindex'), rev = self.reversePreviewOrder;
-            if (ind.substring(0, 5) === $h.INIT_FLAG) {
-                ind = parseInt(ind.replace($h.INIT_FLAG, ''));
-                self.initialPreview = $h.spliceArray(self.initialPreview, ind, rev);
-                self.initialPreviewConfig = $h.spliceArray(self.initialPreviewConfig, ind, rev);
-                self.initialPreviewThumbTags = $h.spliceArray(self.initialPreviewThumbTags, ind, rev);
-                self.getFrames().each(function () {
-                    var $nFrame = $(this), nInd = $nFrame.attr('data-fileindex');
-                    if (nInd.substring(0, 5) === $h.INIT_FLAG) {
-                        nInd = parseInt(nInd.replace($h.INIT_FLAG, ''));
-                        if (nInd > ind) {
-                            nInd--;
-                            $nFrame.attr('data-fileindex', $h.INIT_FLAG + nInd);
-                        }
-                    }
-                });
-            }
-        },
-        _resetCaption: function () {
-            var self = this;
-            setTimeout(function () {
-                var cap = '', n, chk = self.previewCache.count(true), len = self.fileManager.count(), file,
-                    incomplete = ':not(.file-preview-success):not(.file-preview-error)', cfg,
-                    hasThumb = self.showPreview && self.getFrames(incomplete).length;
-                if (len === 0 && chk === 0 && !hasThumb) {
-                    self.reset();
-                } else {
-                    n = chk + len;
-                    if (n > 1) {
-                        cap = self._getMsgSelected(n);
-                    } else {
-                        if (len === 0) {
-                            cfg = self.initialPreviewConfig[0];
-                            cap = '';
-                            if (cfg) {
-                                cap = cfg.caption || cfg.filename || '';
-                            }
-                            if (!cap) {
-                                cap = self._getMsgSelected(n);
-                            }
-                        } else {
-                            file = self.fileManager.getFirstFile();
-                            cap = file ? file.nameFmt : '_';
-                        }
-                    }
-                    self._setCaption(cap);
-                }
-            }, self.processDelay);
-        },
-        _handleRotation: function ($el, $content, angle) {
-            var self = this, css, newCss, addCss = '', scale = 1, elContent = $content[0], quadrant, transform, h, w,
-                wNew, $parent = $content.parent(), hParent, wParent, $body = $('body'), bodyExists = !!$body.length;
-            if (bodyExists) {
-                $body.addClass('kv-overflow-hidden');
-            }
-            if (!$content.length || $el.hasClass('hide-rotate')) {
-                if (bodyExists) {
-                    $body.removeClass('kv-overflow-hidden');
-                }
-                return;
-            }
-            transform = $content.css('transform');
-            if (transform) {
-                $content.css('transform', 'none');
-            }
-            if (transform) {
-                $content.css('transform', transform);
-            }
-            angle = angle || 0;
-            quadrant = angle % 360;
-            css = 'rotate(' + angle + 'deg)';
-            newCss = 'rotate(' + quadrant + 'deg)';
-            addCss = '';
-            if (quadrant === 90 || quadrant === 270) {
-                w = elContent.naturalWidth || $content.outerWidth() || 0;
-                h = elContent.naturalHeight || $content.outerHeight() || 0;
-                scale = w > h && w != 0 ? (h / w).toFixed(2) : 1;
-                if ($parent.length) {
-                    hParent = $parent.height();
-                    wParent = $parent.width();
-                    wNew = Math.min(w, wParent);
-                    if (hParent > scale * wNew) {
-                        scale = wNew > hParent && wNew != 0 ? (hParent / wNew).toFixed(2) : 1;
-                    }
-                }
-                if (scale !== 1) {
-                    addCss = ' scale(' + scale + ')';
-                }
-            }
-            $content.addClass('rotate-animate').css('transform', css + addCss);
-            setTimeout(function () {
-                $content.removeClass('rotate-animate').css('transform', newCss + addCss);
-                if (bodyExists) {
-                    $body.removeClass('kv-overflow-hidden');
-                }
-                $el.data('angle', quadrant);
-            }, self.fadeDelay);
-        },
-        _initRotateButton: function () {
-            var self = this;
-            self.getFrames('.rotatable .kv-file-rotate').each(function () {
-                var $el = $(this), $frame = $el.closest($h.FRAMES),
-                    $content = $frame.find('.kv-file-content > :first-child');
-                self._handler($el, 'click', function () {
-                    var angle = ($frame.data('angle') || 0) + 90;
-                    self._handleRotation($frame, $content, angle);
-                });
-            });
-        },
-        _initRotateZoom: function ($frame, $content) {
-            var self = this, $modal = self.$modal, $rotate = $modal.find('.btn-kv-rotate'),
-                angle = $frame.data('angle');
-            $modal.data('angle', angle);
-            if ($rotate.length) {
-                $rotate.off('click');
-                if ($modal.hasClass('rotatable')) {
-                    $rotate.on('click', function () {
-                        angle = ($modal.data('angle') || 0) + 90;
-                        $modal.data('angle', angle);
-                        self._handleRotation($modal, $modal.find('.file-zoom-detail'), angle);
-                        self._handleRotation($frame, $content, angle);
-                        if ($frame.hasClass('hide-rotate')) {
-                            $frame.data('angle', angle);
-                        }
-                    });
-                }
-            }
-        },
-        _initFileActions: function () {
-            var self = this;
-            if (!self.showPreview) {
-                return;
-            }
-            self._initZoomButton();
-            self._initRotateButton();
-            self.getFrames(' .kv-file-remove').each(function () {
-                var $el = $(this), $frame = $el.closest($h.FRAMES), hasError, id = $frame.attr('id'),
-                    ind = $frame.attr('data-fileindex'), status, fm = self.fileManager;
-                self._handler($el, 'click', function () {
-                    status = self._raise('filepreremove', [id, ind]);
-                    if (status === false || !self._validateMinCount()) {
-                        return false;
-                    }
-                    hasError = $frame.hasClass('file-preview-error');
-                    $h.cleanMemory($frame);
-                    $frame.fadeOut('slow', function () {
-                        self.fileManager.remove($frame);
-                        self._clearObjects($frame);
-                        $frame.remove();
-                        if (id && hasError) {
-                            self.$errorContainer.find('li[data-thumb-id="' + id + '"]').fadeOut('fast', function () {
-                                $(this).remove();
-                                if (!self._errorsExist()) {
-                                    self._resetErrors();
-                                }
-                            });
-                        }
-                        self._clearFileInput();
-                        self._resetCaption();
-                        self._raise('fileremoved', [id, ind]);
-                    });
-                });
-            });
-            self.getFrames(' .kv-file-upload').each(function () {
-                var $el = $(this);
-                self._handler($el, 'click', function () {
-                    var $frame = $el.closest($h.FRAMES), fileId = self._getThumbFileId($frame);
-                    self._hideProgress();
-                    if ($frame.hasClass('file-preview-error') && !self.retryErrorUploads) {
-                        return;
-                    }
-                    self._uploadSingle(self.fileManager.getIndex(fileId), fileId, false);
-                });
-            });
-        },
-        _initPreviewActions: function () {
-            var self = this, $preview = self.$preview, deleteExtraData = self.deleteExtraData || {},
-                btnRemove = $h.FRAMES + ' .kv-file-remove', settings = self.fileActionSettings,
-                origClass = settings.removeClass, errClass = settings.removeErrorClass,
-                resetProgress = function () {
-                    var hasFiles = self.isAjaxUpload ? self.previewCache.count(true) : self._inputFileCount();
-                    if (!self.getFrames().length && !hasFiles) {
-                        self._setCaption('');
-                        self.reset();
-                        self.initialCaption = '';
-                    } else {
-                        self._resetCaption();
-                    }
-                };
-            self._initZoomButton();
-            self._initRotateButton();
-            $preview.find(btnRemove).each(function () {
-                var $el = $(this), vUrl = $el.data('url') || self.deleteUrl, vKey = $el.data('key'), errMsg, fnBefore,
-                    fnSuccess, fnError, op = self.ajaxOperations.deleteThumb;
-                if ($h.isEmpty(vUrl) || vKey === undefined) {
-                    return;
-                }
-                if (typeof vUrl === 'function') {
-                    vUrl = vUrl();
-                }
-                var $frame = $el.closest($h.FRAMES), cache = self.previewCache.data, settings, params, config,
-                    fileName, extraData, index = $frame.attr('data-fileindex');
-                index = parseInt(index.replace($h.INIT_FLAG, ''));
-                config = $h.isEmpty(cache.config) && $h.isEmpty(cache.config[index]) ? null : cache.config[index];
-                extraData = $h.isEmpty(config) || $h.isEmpty(config.extra) ? deleteExtraData : config.extra;
-                fileName = config && (config.filename || config.caption) || '';
-                if (typeof extraData === 'function') {
-                    extraData = extraData();
-                }
-                params = {id: $el.attr('id'), key: vKey, extra: extraData};
-                fnBefore = function (jqXHR) {
-                    self.ajaxAborted = false;
-                    self._raise('filepredelete', [vKey, jqXHR, extraData]);
-                    if (self._abort()) {
-                        jqXHR.abort();
-                    } else {
-                        $el.removeClass(errClass);
-                        $h.addCss($frame, 'file-uploading');
-                        $h.addCss($el, 'disabled ' + origClass);
-                    }
-                };
-                fnSuccess = function (data, textStatus, jqXHR) {
-                    var n, cap;
-                    if (!$h.isEmpty(data) && !$h.isEmpty(data.error)) {
-                        params.jqXHR = jqXHR;
-                        params.response = data;
-                        errMsg = self._parseError(op, jqXHR, self.msgDeleteError, fileName);
-                        self._showFileError(errMsg, params, 'filedeleteerror');
-                        $frame.removeClass('file-uploading');
-                        $el.removeClass('disabled ' + origClass).addClass(errClass);
-                        resetProgress();
-                        return;
-                    }
-                    $frame.removeClass('file-uploading').addClass('file-deleted');
-                    $frame.fadeOut('slow', function () {
-                        index = parseInt(($frame.attr('data-fileindex')).replace($h.INIT_FLAG, ''));
-                        self.previewCache.unset(index);
-                        self._deleteFileIndex($frame);
-                        n = self.previewCache.count(true);
-                        cap = n > 0 ? self._getMsgSelected(n) : '';
-                        self._setCaption(cap);
-                        self._raise('filedeleted', [vKey, jqXHR, extraData]);
-                        self._clearObjects($frame);
-                        $frame.remove();
-                        resetProgress();
-                    });
-                };
-                fnError = function (jqXHR, textStatus, errorThrown) {
-                    var errMsg = self._parseError(op, jqXHR, errorThrown, fileName);
-                    params.jqXHR = jqXHR;
-                    params.response = {};
-                    self._showFileError(errMsg, params, 'filedeleteerror');
-                    $frame.removeClass('file-uploading');
-                    $el.removeClass('disabled ' + origClass).addClass(errClass);
-                    resetProgress();
-                };
-                self._initAjaxSettings();
-                self._mergeAjaxCallback('beforeSend', fnBefore, 'delete');
-                self._mergeAjaxCallback('success', fnSuccess, 'delete');
-                self._mergeAjaxCallback('error', fnError, 'delete');
-                settings = $.extend(true, {}, {
-                    url: self._encodeURI(vUrl),
-                    type: 'POST',
-                    dataType: 'json',
-                    data: $.extend(true, {}, {key: vKey}, extraData)
-                }, self._ajaxDeleteSettings);
-                self._handler($el, 'click', function () {
-                    if (!self._validateMinCount()) {
-                        return false;
-                    }
-                    self.ajaxAborted = false;
-                    self._raise('filebeforedelete', [vKey, extraData]);
-                    if (self.ajaxAborted instanceof Promise) {
-                        self.ajaxAborted.then(function (result) {
-                            if (!result) {
-                                $.ajax(settings);
-                            }
-                        });
-                    } else {
-                        if (!self.ajaxAborted) {
-                            $.ajax(settings);
-                        }
-                    }
-                });
-            });
-        },
-        _hideFileIcon: function () {
-            var self = this;
-            if (self.overwriteInitial) {
-                self.$captionContainer.removeClass('icon-visible');
-            }
-        },
-        _showFileIcon: function () {
-            var self = this;
-            $h.addCss(self.$captionContainer, 'icon-visible');
-        },
-        _getSize: function (bytes, skipTemplate, sizeUnits) {
-            var self = this, size = parseFloat(bytes), i = 0, factor = self.bytesToKB, func = self.fileSizeGetter, out,
-                sizeHuman = size, newSize;
-            if (!$.isNumeric(bytes) || !$.isNumeric(size)) {
-                return '';
-            }
-            if (typeof func === 'function') {
-                out = func(size);
-            } else {
-                if (!sizeUnits) {
-                    sizeUnits = self.sizeUnits;
-                }
-                if (size > 0) {
-                    while (sizeHuman >= factor) {
-                        sizeHuman /= factor;
-                        ++i;
-                    }
-                    if (!sizeUnits[i]) {
-                        sizeHuman = size;
-                        i = 0;
-                    }
-                }
-                newSize = sizeHuman.toFixed(2);
-                if (newSize == sizeHuman) {
-                    newSize = sizeHuman;
-                }
-                out = newSize + ' ' + sizeUnits[i];
-            }
-            return skipTemplate ? out : self._getLayoutTemplate('size').replace('{sizeText}', out);
-        },
-        _getFileType: function (ftype) {
-            var self = this;
-            return self.mimeTypeAliases[ftype] || ftype;
-        },
-        _generatePreviewTemplate: function (
-            cat,
-            data,
-            fname,
-            ftype,
-            previewId,
-            fileId,
-            isError,
-            size,
-            fnameUpdated,
-            frameClass,
-            foot,
-            ind,
-            templ,
-            attrs,
-            zoomData
-        ) {
-            var self = this, caption = self.slug(fname), prevContent, zoomContent = '', styleAttribs = '',
-                filename = fnameUpdated || fname, isIconic, ext = filename.split('.').pop().toLowerCase(),
-                screenW = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,
-                config, title = caption, alt = caption, typeCss = 'type-default', getContent, addFrameCss,
-                footer = foot || self._renderFileFooter(cat, caption, size, 'auto', isError), isRotatable,
-                alwaysPreview = $.inArray(ext, self.alwaysPreviewFileExtensions) !== -1,
-                forcePrevIcon = self.preferIconicPreview && !alwaysPreview,
-                forceZoomIcon = self.preferIconicZoomPreview && !alwaysPreview, newCat = forcePrevIcon ? 'other' : cat;
-            config = screenW < 400 ? (self.previewSettingsSmall[newCat] || self.defaults.previewSettingsSmall[newCat]) :
-                (self.previewSettings[newCat] || self.defaults.previewSettings[newCat]);
-            if (config) {
-                $.each(config, function (key, val) {
-                    styleAttribs += key + ':' + val + ';';
-                });
-            }
-            getContent = function (vCat, vData, zoom, frameCss, vZoomData) {
-                var id = zoom ? 'zoom-' + previewId : previewId, tmplt = self._getPreviewTemplate(vCat),
-                    css = (frameClass || '') + ' ' + frameCss, tokens;
-                if (self.frameClass) {
-                    css = self.frameClass + ' ' + css;
-                }
-                if (zoom) {
-                    css = css.replace(' ' + $h.SORT_CSS, '');
-                }
-                tmplt = self._parseFilePreviewIcon(tmplt, fname);
-                if (cat === 'object' && !ftype) {
-                    $.each(self.defaults.fileTypeSettings, function (key, func) {
-                        if (key === 'object' || key === 'other') {
-                            return;
-                        }
-                        if (func(fname, ftype)) {
-                            typeCss = 'type-' + key;
-                        }
-                    });
-                }
-                if (!$h.isEmpty(attrs)) {
-                    if (attrs.title !== undefined && attrs.title !== null) {
-                        title = attrs.title;
-                    }
-                    if (attrs.alt !== undefined && attrs.alt !== null) {
-                        alt = title = attrs.alt;
-                    }
-                }
-                tokens = {
-                    'previewId': id,
-                    'caption': caption,
-                    'title': title,
-                    'alt': alt,
-                    'frameClass': css,
-                    'type': self._getFileType(ftype),
-                    'fileindex': ind,
-                    'fileid': fileId || '',
-                    'filename': filename,
-                    'typeCss': typeCss,
-                    'footer': footer,
-                    'data': vData,
-//                  'data': zoom && vZoomData ? self.zoomPlaceholder + '{zoomData}' : vData,
-                    'template': templ || cat,
-                    'style': styleAttribs ? 'style="' + styleAttribs + '"' : '',
-                    'zoomData': vZoomData ? encodeURIComponent(vZoomData) : ''
-                };
-                if (zoom) {
-                    tokens.zoomCache = '';
-                    tokens.zoomData = '{zoomData}';
-                }
-                return tmplt.setTokens(tokens);
-            };
-            ind = ind || previewId.slice(previewId.lastIndexOf('-') + 1);
-            isRotatable = self.fileActionSettings.showRotate && $.inArray(ext, self.rotatableFileExtensions) !== -1;
-            if (self.fileActionSettings.showZoom) {
-                addFrameCss = 'kv-zoom-thumb';
-                if (isRotatable) {
-                    addFrameCss += ' rotatable' + (forceZoomIcon ? ' hide-rotate' : '');
-                }
-                zoomContent = getContent((forceZoomIcon ? 'other' : cat), data, true, addFrameCss, zoomData);
-            }
-            zoomContent = '\n' + self._getLayoutTemplate('zoomCache').replace('{zoomContent}', zoomContent);
-            if (typeof self.sanitizeZoomCache === 'function') {
-                zoomContent = self.sanitizeZoomCache(zoomContent);
-            }
-            addFrameCss = 'kv-preview-thumb';
-            if (isRotatable) {
-                isIconic = forcePrevIcon || self.hideThumbnailContent || !!self.previewFileIconSettings[ext];
-                addFrameCss += ' rotatable' + (isIconic ? ' hide-rotate' : '');
-            }
-            prevContent = getContent((forcePrevIcon ? 'other' : cat), data, false, addFrameCss, zoomData);
-            return prevContent.setTokens({zoomCache: zoomContent});
-        },
-        _addToPreview: function ($preview, content) {
-            var self = this, $el;
-            content = $h.cspBuffer.stash(content);
-            $el = self.reversePreviewOrder ? $preview.prepend(content) : $preview.append(content);
-            $h.cspBuffer.apply($preview);
-            return $el;
-        },
-        _previewDefault: function (file, isDisabled) {
-            var self = this, $preview = self.$preview;
-            if (!self.showPreview) {
-                return;
-            }
-            var fname = $h.getFileName(file), ftype = file ? file.type : '', content, size = file.size || 0,
-                caption = self._getFileName(file, ''), isError = isDisabled === true && !self.isAjaxUpload,
-                data = $h.createObjectURL(file), fileId = self.fileManager.getId(file),
-                previewId = self._getThumbId(fileId);
-            self._clearDefaultPreview();
-            content = self._generatePreviewTemplate('other', data, fname, ftype, previewId, fileId, isError, size);
-            self._addToPreview($preview, content);
-            self._setThumbAttr(previewId, caption, size);
-            if (isDisabled === true && self.isAjaxUpload) {
-                self._setThumbStatus(self._getFrame(previewId), 'Error');
-            }
-        },
-        _previewFile: function (i, file, theFile, data, fileInfo) {
-            if (!this.showPreview) {
-                return;
-            }
-            var self = this, fname = $h.getFileName(file), ftype = fileInfo.type, content,
-                caption = fileInfo.name, cat = self._parseFileType(ftype, fname), $preview = self.$preview,
-                fsize = file.size || 0, iData = cat === 'image' ? theFile.target.result : data, fm = self.fileManager,
-                fileId = fm.getId(file), previewId = self._getThumbId(fileId);
-            /** @namespace window.DOMPurify */
-            content = self._generatePreviewTemplate(cat, iData, fname, ftype, previewId, fileId, false, fsize, fileInfo.filename);
-            self._clearDefaultPreview();
-            self._addToPreview($preview, content);
-            var $thumb = self._getFrame(previewId);
-            self._validateImageOrientation($thumb.find('img'), file, previewId, fileId, caption, ftype, fsize, iData);
-            self._setThumbAttr(previewId, caption, fsize);
-            self._initSortable();
-        },
-        _setThumbAttr: function (id, caption, size, description) {
-            var self = this, $frame = self._getFrame(id);
-            if ($frame.length) {
-                size = size && size > 0 ? self._getSize(size) : '';
-                $frame.data({'caption': caption, 'size': size, 'description': description || ''});
-            }
-        },
-        _setInitThumbAttr: function () {
-            var self = this, data = self.previewCache.data, len = self.previewCache.count(true), config,
-                caption, size, description, previewId;
-            if (len === 0) {
-                return;
-            }
-            for (var i = 0; i < len; i++) {
-                config = data.config[i];
-                previewId = self.previewInitId + '-' + $h.INIT_FLAG + i;
-                caption = $h.ifSet('caption', config, $h.ifSet('filename', config));
-                size = $h.ifSet('size', config);
-                description = $h.ifSet('description', config);
-                self._setThumbAttr(previewId, caption, size, description);
-            }
-        },
-        _slugDefault: function (text) {
-            // noinspection RegExpRedundantEscape
-            return $h.isEmpty(text, true) ? '' : String(text).replace(/[\[\]\/\{}:;#%=\(\)\*\+\?\\\^\$\|<>&"']/g, '_');
-        },
-        _updateFileDetails: function (numFiles) {
-            var self = this, $el = self.$element, label, n, log, nFiles, file,
-                name = ($h.isIE(9) && $h.findFileName($el.val())) || ($el[0].files[0] && $el[0].files[0].name);
-            if (!name && self.fileManager.count() > 0) {
-                file = self.fileManager.getFirstFile();
-                label = file.nameFmt;
-            } else {
-                label = name ? self.slug(name) : '_';
-            }
-            n = self.isAjaxUpload ? self.fileManager.count() : numFiles;
-            nFiles = self.previewCache.count(true) + n;
-            log = n === 1 ? label : self._getMsgSelected(nFiles, !self.isAjaxUpload && !self.isError);
-            if (self.isError) {
-                self.$previewContainer.removeClass('file-thumb-loading');
-                self._initCapStatus();
-                self.$previewStatus.html('');
-                self.$captionContainer.removeClass('icon-visible');
-            } else {
-                self._showFileIcon();
-            }
-            self._setCaption(log, self.isError);
-            self.$container.removeClass('file-input-new file-input-ajax-new');
-            self._raise('fileselect', [numFiles, label]);
-            if (self.previewCache.count(true)) {
-                self._initPreviewActions();
-            }
-        },
-        _setThumbStatus: function ($thumb, status) {
-            var self = this;
-            if (!self.showPreview) {
-                return;
-            }
-            var icon = 'indicator' + status, msg = icon + 'Title',
-                css = 'file-preview-' + status.toLowerCase(),
-                $indicator = $thumb.find('.file-upload-indicator'),
-                config = self.fileActionSettings;
-            $thumb.removeClass('file-preview-success file-preview-error file-preview-paused file-preview-loading');
-            if (status === 'Success') {
-                $thumb.find('.file-drag-handle').remove();
-            }
-            $h.setHtml($indicator, config[icon]);
-            $indicator.attr('title', config[msg]);
-            $thumb.addClass(css);
-            if (status === 'Error' && !self.retryErrorUploads) {
-                $thumb.find('.kv-file-upload').attr('disabled', true);
-            }
-        },
-        _setProgressCancelled: function () {
-            var self = this;
-            self._setProgress(101, self.$progress, self.msgCancelled);
-        },
-        _setProgress: function (p, $el, error, stats) {
-            var self = this;
-            $el = $el || self.$progress;
-            if (!$el.length) {
-                return;
-            }
-            var pct = Math.min(p, 100), out, pctLimit = self.progressUploadThreshold,
-                t = p <= 100 ? self.progressTemplate : self.progressCompleteTemplate,
-                template = pct < 100 ? self.progressTemplate :
-                    (error ? (self.paused ? self.progressPauseTemplate : self.progressErrorTemplate) : t);
-            if (p >= 100) {
-                stats = '';
-            }
-            if (!$h.isEmpty(template)) {
-                if (pctLimit && pct > pctLimit && p <= 100) {
-                    out = template.setTokens({'percent': pctLimit, 'status': self.msgUploadThreshold});
-                } else {
-                    out = template.setTokens({'percent': pct, 'status': (p > 100 ? self.msgUploadEnd : pct + '%')});
-                }
-                stats = stats || '';
-                out = out.setTokens({stats: stats});
-                $h.setHtml($el, out);
-                if (error) {
-                    $h.setHtml($el.find('[role="progressbar"]'), error);
-                }
-            }
-        },
-        _hasFiles: function () {
-            var el = this.$element[0];
-            return !!(el && el.files && el.files.length);
-        },
-        _setFileDropZoneTitle: function () {
-            var self = this, $zone = self.$container.find('.file-drop-zone'), title = self.dropZoneTitle, strFiles;
-            if (self.isClickable) {
-                strFiles = $h.isEmpty(self.$element.attr('multiple')) ? self.fileSingle : self.filePlural;
-                title += self.dropZoneClickTitle.replace('{files}', strFiles);
-            }
-            $zone.find('.' + self.dropZoneTitleClass).remove();
-            if (!self.showPreview || $zone.length === 0 || self.fileManager.count() > 0 || !self.dropZoneEnabled ||
-                self.previewCache.count() > 0 || (!self.isAjaxUpload && self._hasFiles())) {
-                return;
-            }
-            if ($zone.find($h.FRAMES).length === 0 && $h.isEmpty(self.defaultPreviewContent)) {
-                $zone.prepend('<div class="' + self.dropZoneTitleClass + '">' + title + '</div>');
-            }
-            self.$container.removeClass('file-input-new');
-            $h.addCss(self.$container, 'file-input-ajax-new');
-        },
-        _getStats: function (stats) {
-            var self = this, pendingTime, t;
-            if (!self.showUploadStats || !stats || !stats.bitrate) {
-                return '';
-            }
-            t = self._getLayoutTemplate('stats');
-            pendingTime = (!stats.elapsed || !stats.bps) ? self.msgCalculatingTime :
-                self.msgPendingTime.setTokens({time: $h.getElapsed(Math.ceil(stats.pendingBytes / stats.bps))});
-
-            return t.setTokens({
-                uploadSpeed: stats.bitrate,
-                pendingTime: pendingTime
-            });
-        },
-        _setResumableProgress: function (pct, stats, $thumb) {
-            var self = this, rm = self.resumableManager, obj = $thumb ? rm : self,
-                $prog = $thumb ? $thumb.find('.file-thumb-progress') : null;
-            if (obj.lastProgress === 0) {
-                obj.lastProgress = pct;
-            }
-            if (pct < obj.lastProgress) {
-                pct = obj.lastProgress;
-            }
-            self._setProgress(pct, $prog, null, self._getStats(stats));
-            obj.lastProgress = pct;
-        },
-        _toggleResumableProgress: function (template, message) {
-            var self = this, $progress = self.$progress;
-            if ($progress && $progress.length) {
-                $h.setHtml($progress, template.setTokens({
-                    percent: 101,
-                    status: message,
-                    stats: ''
-                }));
-            }
-        },
-        _setFileUploadStats: function (id, pct, stats) {
-            var self = this, $prog = self.$progress;
-            if (!self.showPreview && (!$prog || !$prog.length)) {
-                return;
-            }
-            var fm = self.fileManager, rm = self.resumableManager, $thumb = fm.getThumb(id), pctTot,
-                totUpSize = 0, totSize = fm.getTotalSize(), totStats = $.extend(true, {}, stats);
-            if (self.enableResumableUpload) {
-                var loaded = stats.loaded, currUplSize = rm.getUploadedSize(), currTotSize = rm.file.size, totLoaded;
-                loaded += currUplSize;
-                totLoaded = fm.uploadedSize + loaded;
-                pct = $h.round(100 * loaded / currTotSize);
-                stats.pendingBytes = currTotSize - currUplSize;
-                self._setResumableProgress(pct, stats, $thumb);
-                pctTot = Math.floor(100 * totLoaded / totSize);
-                totStats.pendingBytes = totSize - totLoaded;
-                self._setResumableProgress(pctTot, totStats);
-            } else {
-                fm.setProgress(id, pct);
-                $prog = $thumb && $thumb.length ? $thumb.find('.file-thumb-progress') : null;
-                self._setProgress(pct, $prog, null, self._getStats(stats));
-                $.each(fm.stats, function (id, cfg) {
-                    totUpSize += cfg.loaded;
-                });
-                totStats.pendingBytes = totSize - totUpSize;
-                pctTot = $h.round(totUpSize / totSize * 100);
-                self._setProgress(pctTot, null, null, self._getStats(totStats));
-            }
-        },
-        _validateMinCount: function () {
-            var self = this, len = self.isAjaxUpload ? self.fileManager.count() : self._inputFileCount();
-            if (self.validateInitialCount && self.minFileCount > 0 && self._getFileCount(len - 1) < self.minFileCount) {
-                self._noFilesError({});
-                return false;
-            }
-            return true;
-        },
-        _getFileCount: function (fileCount, includeInitial) {
-            var self = this, addCount = 0;
-            if (includeInitial === undefined) {
-                includeInitial = self.validateInitialCount && !self.overwriteInitial;
-            }
-            if (includeInitial) {
-                addCount = self.previewCache.count(true);
-                fileCount += addCount;
-            }
-            return fileCount;
-        },
-        _getFileId: function (file) {
-            return $h.getFileId(file, this.generateFileId);
-        },
-        _getFileName: function (file, defaultValue) {
-            var self = this, fileName = $h.getFileName(file);
-            return fileName ? self.slug(fileName) : defaultValue;
-        },
-        _getFileNames: function (skipNull) {
-            var self = this;
-            return self.filenames.filter(function (n) {
-                return (skipNull ? n !== undefined : n !== undefined && n !== null);
-            });
-        },
-        _setPreviewError: function ($thumb, keepFile) {
-            var self = this, removeFrame = self.removeFromPreviewOnError && !self.retryErrorUploads;
-            if (!keepFile || removeFrame) {
-                self.fileManager.remove($thumb);
-            }
-            if (!self.showPreview) {
-                return;
-            }
-            if (removeFrame) {
-                $thumb.remove();
-                return;
-            } else {
-                self._setThumbStatus($thumb, 'Error');
-            }
-            self._refreshUploadButton($thumb);
-        },
-        _refreshUploadButton: function ($thumb) {
-            var self = this, $btn = $thumb.find('.kv-file-upload'), cfg = self.fileActionSettings,
-                icon = cfg.uploadIcon, title = cfg.uploadTitle;
-            if (!$btn.length) {
-                return;
-            }
-            if (self.retryErrorUploads) {
-                icon = cfg.uploadRetryIcon;
-                title = cfg.uploadRetryTitle;
-            }
-            $btn.attr('title', title);
-            $h.setHtml($btn, icon);
-        },
-        _isValidSize: function (size, type, $image, $thumb, filename, params) {
-            var self = this, msg, dim, $img, tag = size === 'Small' ? 'min' : 'max', limit = self[tag + 'Image' + type];
-            if ($h.isEmpty(limit) || !$image.length) {
-                return true;
-            }
-            $img = $image[0];
-            dim = (type === 'Width') ? $img.naturalWidth || $img.width : $img.naturalHeight || $img.height;
-            if (size === 'Small' ? dim >= limit : dim <= limit) {
-                return true;
-            }
-            msg = self['msgImage' + type + size] || 'Image "{name}" has a size validation error (limit "{size}").';
-            self._showFileError(msg.setTokens({'name': filename, 'size': limit, 'dimension': dim}), params);
-            self._setPreviewError($thumb);
-            self.fileManager.remove($thumb);
-            self._clearFileInput();
-            return false;
-        },
-        _getExifObj: function (data) {
-            var self = this, exifObj, error = $h.logMessages.exifWarning;
-            if (data.slice(0, 23) !== 'data:image/jpeg;base64,' && data.slice(0, 22) !== 'data:image/jpg;base64,') {
-                exifObj = null;
-                return;
-            }
-            try {
-                exifObj = window.piexif ? window.piexif.load(data) : null;
-            } catch (err) {
-                exifObj = null;
-                error = err && err.message || '';
-            }
-            if (!exifObj && self.showExifErrorLog) {
-                self._log($h.logMessages.badExifParser, {details: error});
-            }
-            return exifObj;
-        },
-        setImageOrientation: function ($img, $zoomImg, value, $thumb) {
-            var self = this, invalidImg = !$img || !$img.length, invalidZoomImg = !$zoomImg || !$zoomImg.length, $mark,
-                isHidden = false, $div, zoomOnly = invalidImg && $thumb && $thumb.attr('data-template') === 'image', ev;
-            if (invalidImg && invalidZoomImg) {
-                return;
-            }
-            ev = 'load.fileinputimageorient';
-            if (zoomOnly) {
-                $img = $zoomImg;
-                $zoomImg = null;
-                $img.css(self.previewSettings.image);
-                $div = $(document.createElement('div')).appendTo($thumb.find('.kv-file-content'));
-                $mark = $(document.createElement('span')).insertBefore($img);
-                $img.css('visibility', 'hidden').removeClass('file-zoom-detail').appendTo($div);
-            } else {
-                isHidden = !$img.is(':visible');
-            }
-            $img.off(ev).on(ev, function () {
-                if (isHidden) {
-                    self.$preview.removeClass('hide-content');
-                    $thumb.find('.kv-file-content').css('visibility', 'hidden');
-                }
-                var img = $img[0], zoomImg = $zoomImg && $zoomImg.length ? $zoomImg[0] : null,
-                    h = img.offsetHeight, w = img.offsetWidth, r = $h.getRotation(value);
-                if (isHidden) {
-                    $thumb.find('.kv-file-content').css('visibility', 'visible');
-                    self.$preview.addClass('hide-content');
-                }
-                $img.data('orientation', value);
-                if (zoomImg) {
-                    $zoomImg.data('orientation', value);
-                }
-                if (value < 5) {
-                    $h.setTransform(img, r);
-                    $h.setTransform(zoomImg, r);
-                    return;
-                }
-                var offsetAngle = Math.atan(w / h), origFactor = Math.sqrt(Math.pow(h, 2) + Math.pow(w, 2)),
-                    scale = !origFactor ? 1 : (h / Math.cos(Math.PI / 2 + offsetAngle)) / origFactor,
-                    s = ' scale(' + Math.abs(scale) + ')';
-                $h.setTransform(img, r + s);
-                $h.setTransform(zoomImg, r + s);
-                if (zoomOnly) {
-                    $img.css('visibility', 'visible').insertAfter($mark).addClass('file-zoom-detail');
-                    $mark.remove();
-                    $div.remove();
-                }
-            });
-        },
-        _validateImageOrientation: function ($img, file, previewId, fileId, caption, ftype, fsize, iData) {
-            var self = this, exifObj = null, value, autoOrientImage = self.autoOrientImage, selector;
-            exifObj = self._getExifObj(iData);
-            if (self.canOrientImage) {
-                $img.css('image-orientation', (autoOrientImage ? 'from-image' : 'none'));
-                self._validateImage(previewId, fileId, caption, ftype, fsize, iData, exifObj);
-                return;
-            }
-            selector = $h.getZoomSelector(previewId, ' img');
-            value = exifObj ? exifObj['0th'][piexif.ImageIFD.Orientation] : null; // jshint ignore:line
-            if (!value) {
-                self._validateImage(previewId, fileId, caption, ftype, fsize, iData, exifObj);
-                return;
-            }
-            self.setImageOrientation($img, $(selector), value, self._getFrame(previewId));
-            self._raise('fileimageoriented', {'$img': $img, 'file': file});
-            self._validateImage(previewId, fileId, caption, ftype, fsize, iData, exifObj);
-        },
-        _validateImage: function (previewId, fileId, fname, ftype, fsize, iData, exifObj) {
-            var self = this, $preview = self.$preview, params, w1, w2, $thumb = self._getFrame(previewId),
-                i = $thumb.attr('data-fileindex'), $img = $thumb.find('img');
-            fname = fname || 'Untitled';
-            $img.one('load', function () {
-                if ($img.data('validated')) {
-                    return;
-                }
-                $img.data('validated', true);
-                w1 = $thumb.width();
-                w2 = $preview.width();
-                if (w1 > w2) {
-                    $img.css('width', '100%');
-                }
-                params = {ind: i, id: previewId, fileId: fileId};
-                setTimeout(function () {
-                    var isValidWidth, isValidHeight;
-                    isValidWidth = self._isValidSize('Small', 'Width', $img, $thumb, fname, params);
-                    isValidHeight = self._isValidSize('Small', 'Height', $img, $thumb, fname, params);
-                    if (!self.resizeImage) {
-                        isValidWidth = isValidWidth && self._isValidSize('Large', 'Width', $img, $thumb, fname, params);
-                        isValidHeight = isValidHeight && self._isValidSize('Large', 'Height', $img, $thumb, fname, params);
-                    }
-                    self._raise('fileimageloaded', [previewId]);
-                    $thumb.data('exif', exifObj);
-                    if (isValidWidth && isValidHeight) {
-                        self.fileManager.addImage(fileId, {
-                            ind: i,
-                            img: $img,
-                            thumb: $thumb,
-                            pid: previewId,
-                            typ: ftype,
-                            siz: fsize,
-                            validated: false,
-                            imgData: iData,
-                            exifObj: exifObj
-                        });
-                        self._validateAllImages();
-                    }
-                }, self.processDelay);
-            }).one('error', function () {
-                self._raise('fileimageloaderror', [previewId]);
-            });
-        },
-        _validateAllImages: function () {
-            var self = this, counter = {val: 0}, numImgs = self.fileManager.getImageCount(), fsize,
-                minSize = self.resizeIfSizeMoreThan;
-            if (numImgs !== self.fileManager.totalImages) {
-                return;
-            }
-            self._raise('fileimagesloaded');
-            if (!self.resizeImage) {
-                return;
-            }
-            $.each(self.fileManager.loadedImages, function (id, config) {
-                if (!config.validated) {
-                    fsize = config.siz;
-                    if (fsize && fsize > minSize * self.bytesToKB) {
-                        self._getResizedImage(id, config, counter, numImgs);
-                    }
-                    config.validated = true;
-                }
-            });
-        },
-        _getResizedImage: function (id, config, counter, numImgs) {
-            var self = this, img = $(config.img)[0], width = img.naturalWidth, height = img.naturalHeight, blob,
-                ratio = 1, maxWidth = self.maxImageWidth || width, maxHeight = self.maxImageHeight || height,
-                isValidImage = !!(width && height), chkWidth, chkHeight, canvas = self.imageCanvas, dataURI,
-                context = self.imageCanvasContext, type = config.typ, pid = config.pid, ind = config.ind,
-                $thumb = config.thumb, throwError, msg, exifObj = config.exifObj, exifStr, file, params, evParams;
-            throwError = function (msg, params, ev) {
-                if (self.isAjaxUpload) {
-                    self._showFileError(msg, params, ev);
-                } else {
-                    self._showError(msg, params, ev);
-                }
-                self._setPreviewError($thumb);
-            };
-            file = self.fileManager.getFile(id);
-            params = {id: pid, 'index': ind, fileId: id};
-            evParams = [id, pid, ind];
-            if (!file || !isValidImage || (width <= maxWidth && height <= maxHeight)) {
-                if (isValidImage && file) {
-                    self._raise('fileimageresized', evParams);
-                }
-                counter.val++;
-                if (counter.val === numImgs) {
-                    self._raise('fileimagesresized');
-                }
-                if (!isValidImage) {
-                    throwError(self.msgImageResizeError, params, 'fileimageresizeerror');
-                    return;
-                }
-            }
-            type = type || self.resizeDefaultImageType;
-            chkWidth = width > maxWidth;
-            chkHeight = height > maxHeight;
-            if (self.resizePreference === 'width') {
-                ratio = chkWidth ? maxWidth / width : (chkHeight ? maxHeight / height : 1);
-            } else {
-                ratio = chkHeight ? maxHeight / height : (chkWidth ? maxWidth / width : 1);
-            }
-            self._resetCanvas();
-            width *= ratio;
-            height *= ratio;
-            canvas.width = width;
-            canvas.height = height;
-            try {
-                context.drawImage(img, 0, 0, width, height);
-                dataURI = canvas.toDataURL(type, self.resizeQuality);
-                if (exifObj) {
-                    exifStr = window.piexif.dump(exifObj);
-                    dataURI = window.piexif.insert(exifStr, dataURI);
-                }
-                blob = $h.dataURI2Blob(dataURI);
-                self.fileManager.setFile(id, blob);
-                self._raise('fileimageresized', evParams);
-                counter.val++;
-                if (counter.val === numImgs) {
-                    self._raise('fileimagesresized', [undefined, undefined]);
-                }
-                if (!(blob instanceof Blob)) {
-                    throwError(self.msgImageResizeError, params, 'fileimageresizeerror');
-                }
-            } catch (err) {
-                counter.val++;
-                if (counter.val === numImgs) {
-                    self._raise('fileimagesresized', [undefined, undefined]);
-                }
-                msg = self.msgImageResizeException.replace('{errors}', err.message);
-                throwError(msg, params, 'fileimageresizeexception');
-            }
-        },
-        _showProgress: function () {
-            var self = this;
-            if (self.$progress && self.$progress.length) {
-                self.$progress.show();
-            }
-        },
-        _hideProgress: function () {
-            var self = this;
-            if (self.$progress && self.$progress.length) {
-                self.$progress.hide();
-            }
-        },
-        _initBrowse: function ($container) {
-            var self = this, $el = self.$element;
-            if (self.showBrowse) {
-                self.$btnFile = $container.find('.btn-file').append($el);
-            } else {
-                $el.appendTo($container).attr('tabindex', -1);
-                $h.addCss($el, 'file-no-browse');
-            }
-        },
-        _initClickable: function () {
-            var self = this, $zone, $tmpZone;
-            if (!self.isClickable) {
-                return;
-            }
-            $zone = self.$dropZone;
-            if (!self.isAjaxUpload) {
-                $tmpZone = self.$preview.find('.file-default-preview');
-                if ($tmpZone.length) {
-                    $zone = $tmpZone;
-                }
-            }
-
-            $h.addCss($zone, 'clickable');
-            $zone.attr('tabindex', -1);
-            self._handler($zone, 'click', function (e) {
-                var $tar = $(e.target);
-                if (!self.$errorContainer.is(':visible') && (!$tar.parents(
-                    '.file-preview-thumbnails').length || $tar.parents(
-                    '.file-default-preview').length)) {
-                    self.$element.data('zoneClicked', true).trigger('click');
-                    $zone.blur();
-                }
-            });
-        },
-        _initCaption: function () {
-            var self = this, cap = self.initialCaption || '';
-            if (self.overwriteInitial || $h.isEmpty(cap)) {
-                self.$caption.val('');
-                return false;
-            }
-            self._setCaption(cap);
-            return true;
-        },
-        _setCaption: function (content, isError) {
-            var self = this, title, out, icon, n, cap, file;
-            if (!self.$caption.length) {
-                return;
-            }
-            self.$captionContainer.removeClass('icon-visible');
-            if (isError) {
-                title = $('<div>' + self.msgValidationError + '</div>').text();
-                n = self.fileManager.count();
-                if (n) {
-                    file = self.fileManager.getFirstFile();
-                    cap = n === 1 && file ? file.nameFmt : self._getMsgSelected(n);
-                } else {
-                    cap = self._getMsgSelected(self.msgNo);
-                }
-                out = $h.isEmpty(content) ? cap : content;
-                icon = '<span class="' + self.msgValidationErrorClass + '">' + self.msgValidationErrorIcon + '</span>';
-            } else {
-                if ($h.isEmpty(content)) {
-                    self.$caption.attr('title', '');
-                    return;
-                }
-                title = $('<div>' + content + '</div>').text();
-                out = title;
-                icon = self._getLayoutTemplate('fileIcon');
-            }
-            self.$captionContainer.addClass('icon-visible');
-            self.$caption.attr('title', title).val(out);
-            $h.setHtml(self.$captionIcon, icon);
-        },
-        _createContainer: function () {
-            var self = this, attribs = {'class': 'file-input file-input-new' + (self.rtl ? ' kv-rtl' : '')},
-                $container = $h.createElement($h.cspBuffer.stash(self._renderMain()));
-            $h.cspBuffer.apply($container);
-            $container.insertBefore(self.$element).attr(attribs);
-            self._initBrowse($container);
-            if (self.theme) {
-                $container.addClass('theme-' + self.theme);
-            }
-            return $container;
-        },
-        _refreshContainer: function () {
-            var self = this, $container = self.$container, $el = self.$element;
-            $el.insertAfter($container);
-            $h.setHtml($container, self._renderMain());
-            self._initBrowse($container);
-            self._validateDisabled();
-        },
-        _validateDisabled: function () {
-            var self = this;
-            self.$caption.attr({readonly: self.isDisabled});
-        },
-        _setTabIndex: function (type, html) {
-            var self = this, index = self.tabIndexConfig[type];
-            return html.setTokens({
-                tabIndexConfig: index === undefined || index === null ? '' : 'tabindex="' + index + '"'
-            });
-        },
-        _renderMain: function () {
-            var self = this,
-                dropCss = self.dropZoneEnabled ? ' file-drop-zone' : 'file-drop-disabled',
-                close = !self.showClose ? '' : self._getLayoutTemplate('close'),
-                preview = !self.showPreview ? '' : self._getLayoutTemplate('preview')
-                    .setTokens({'class': self.previewClass, 'dropClass': dropCss}),
-                css = self.isDisabled ? self.captionClass + ' file-caption-disabled' : self.captionClass,
-                caption = self.captionTemplate.setTokens({'class': css + ' kv-fileinput-caption'});
-            caption = self._setTabIndex('caption', caption);
-            return self.mainTemplate.setTokens({
-                'class': self.mainClass + (!self.showBrowse && self.showCaption ? ' no-browse' : ''),
-                'inputGroupClass': self.inputGroupClass,
-                'preview': preview,
-                'close': close,
-                'caption': caption,
-                'upload': self._renderButton('upload'),
-                'remove': self._renderButton('remove'),
-                'cancel': self._renderButton('cancel'),
-                'pause': self._renderButton('pause'),
-                'browse': self._renderButton('browse')
-            });
-
-        },
-        _renderButton: function (type) {
-            var self = this, tmplt = self._getLayoutTemplate('btnDefault'), css = self[type + 'Class'],
-                title = self[type + 'Title'], icon = self[type + 'Icon'], label = self[type + 'Label'],
-                status = self.isDisabled ? ' disabled' : '', btnType = 'button';
-            switch (type) {
-                case 'remove':
-                    if (!self.showRemove) {
-                        return '';
-                    }
-                    break;
-                case 'cancel':
-                    if (!self.showCancel) {
-                        return '';
-                    }
-                    css += ' kv-hidden';
-                    break;
-                case 'pause':
-                    if (!self.showPause) {
-                        return '';
-                    }
-                    css += ' kv-hidden';
-                    break;
-                case 'upload':
-                    if (!self.showUpload) {
-                        return '';
-                    }
-                    if (self.isAjaxUpload && !self.isDisabled) {
-                        tmplt = self._getLayoutTemplate('btnLink').replace('{href}', self.uploadUrl);
-                    } else {
-                        btnType = 'submit';
-                    }
-                    break;
-                case 'browse':
-                    if (!self.showBrowse) {
-                        return '';
-                    }
-                    tmplt = self._getLayoutTemplate('btnBrowse');
-                    break;
-                default:
-                    return '';
-            }
-            tmplt = self._setTabIndex(type, tmplt);
-
-            css += type === 'browse' ? ' btn-file' : ' fileinput-' + type + ' fileinput-' + type + '-button';
-            if (!$h.isEmpty(label)) {
-                label = ' <span class="' + self.buttonLabelClass + '">' + label + '</span>';
-            }
-            return tmplt.setTokens({
-                'type': btnType, 'css': css, 'title': title, 'status': status, 'icon': icon, 'label': label
-            });
-        },
-        _renderThumbProgress: function () {
-            var self = this;
-            return '<div class="file-thumb-progress kv-hidden">' +
-                self.progressInfoTemplate.setTokens({percent: 101, status: self.msgUploadBegin, stats: ''}) +
-                '</div>';
-        },
-        _renderFileFooter: function (cat, caption, size, width, isError) {
-            var self = this, config = self.fileActionSettings, rem = config.showRemove, drg = config.showDrag,
-                upl = config.showUpload, rot = config.showRotate, zoom = config.showZoom, out, params,
-                template = self._getLayoutTemplate('footer'), tInd = self._getLayoutTemplate('indicator'),
-                ind = isError ? config.indicatorError : config.indicatorNew,
-                title = isError ? config.indicatorErrorTitle : config.indicatorNewTitle,
-                indicator = tInd.setTokens({'indicator': ind, 'indicatorTitle': title});
-            size = self._getSize(size);
-            params = {type: cat, caption: caption, size: size, width: width, progress: '', indicator: indicator};
-            if (self.isAjaxUpload) {
-                params.progress = self._renderThumbProgress();
-                params.actions = self._renderFileActions(params, upl, false, rem, rot, zoom, drg, false, false, false);
-            } else {
-                params.actions = self._renderFileActions(params, false, false, false, false, zoom, drg, false, false, false);
-            }
-            out = template.setTokens(params);
-            out = $h.replaceTags(out, self.previewThumbTags);
-            return out;
-        },
-        _renderFileActions: function (
-            cfg,
-            showUpl,
-            showDwn,
-            showDel,
-            showRot,
-            showZoom,
-            showDrag,
-            disabled,
-            url,
-            key,
-            isInit,
-            dUrl,
-            dFile
-        ) {
-            var self = this;
-            if (!cfg.type && isInit) {
-                cfg.type = 'image';
-            }
-            if (self.enableResumableUpload) {
-                showUpl = false;
-            } else {
-                if (typeof showUpl === 'function') {
-                    showUpl = showUpl(cfg);
-                }
-            }
-            if (typeof showDwn === 'function') {
-                showDwn = showDwn(cfg);
-            }
-            if (typeof showDel === 'function') {
-                showDel = showDel(cfg);
-            }
-            if (typeof showZoom === 'function') {
-                showZoom = showZoom(cfg);
-            }
-            if (typeof showDrag === 'function') {
-                showDrag = showDrag(cfg);
-            }
-            if (typeof showRot === 'function') {
-                showRot = showRot(cfg);
-            }
-            if (!showUpl && !showDwn && !showDel && !showRot && !showZoom && !showDrag) {
-                return '';
-            }
-            var vUrl = url === false ? '' : ' data-url="' + url + '"', btnZoom = '', btnDrag = '', btnRotate = '', css,
-                vKey = key === false ? '' : ' data-key="' + key + '"', btnDelete = '', btnUpload = '', btnDownload = '',
-                template = self._getLayoutTemplate('actions'), config = self.fileActionSettings,
-                otherButtons = self.otherActionButtons.setTokens({'dataKey': vKey, 'key': key}),
-                removeClass = disabled ? config.removeClass + ' disabled' : config.removeClass;
-            if (showDel) {
-                btnDelete = self._getLayoutTemplate('actionDelete').setTokens({
-                    'removeClass': removeClass,
-                    'removeIcon': config.removeIcon,
-                    'removeTitle': config.removeTitle,
-                    'dataUrl': vUrl,
-                    'dataKey': vKey,
-                    'key': key
-                });
-            }
-            if (showRot) {
-                btnRotate = self._getLayoutTemplate('actionRotate').setTokens({
-                    'rotateClass': config.rotateClass,
-                    'rotateIcon': config.rotateIcon,
-                    'rotateTitle': config.rotateTitle
-                });
-            }
-            if (showUpl) {
-                btnUpload = self._getLayoutTemplate('actionUpload').setTokens({
-                    'uploadClass': config.uploadClass,
-                    'uploadIcon': config.uploadIcon,
-                    'uploadTitle': config.uploadTitle
-                });
-            }
-            if (showDwn) {
-                btnDownload = self._getLayoutTemplate('actionDownload').setTokens({
-                    'downloadClass': config.downloadClass,
-                    'downloadIcon': config.downloadIcon,
-                    'downloadTitle': config.downloadTitle,
-                    'downloadUrl': dUrl || self.initialPreviewDownloadUrl
-                });
-                btnDownload = btnDownload.setTokens({'filename': dFile, 'key': key});
-            }
-            if (showZoom) {
-                btnZoom = self._getLayoutTemplate('actionZoom').setTokens({
-                    'zoomClass': config.zoomClass,
-                    'zoomIcon': config.zoomIcon,
-                    'zoomTitle': config.zoomTitle
-                });
-            }
-            if (showDrag && isInit) {
-                css = 'drag-handle-init ' + config.dragClass;
-                btnDrag = self._getLayoutTemplate('actionDrag').setTokens({
-                    'dragClass': css,
-                    'dragTitle': config.dragTitle,
-                    'dragIcon': config.dragIcon
-                });
-            }
-            return template.setTokens({
-                'delete': btnDelete,
-                'upload': btnUpload,
-                'download': btnDownload,
-                'rotate': btnRotate,
-                'zoom': btnZoom,
-                'drag': btnDrag,
-                'other': otherButtons
-            });
-        },
-        _browse: function (e) {
-            var self = this;
-            if (e && e.isDefaultPrevented() || !self._raise('filebrowse')) {
-                return;
-            }
-            if (self.isError && !self.isAjaxUpload) {
-                self.clear();
-            }
-            if (self.focusCaptionOnBrowse) {
-                self.$captionContainer.focus();
-            }
-        },
-        _change: function (e) {
-            var self = this;
-            $(document.body).off('focusin.fileinput focusout.fileinput');
-            if (self.changeTriggered) {
-                self._toggleLoading('hide');
-                return;
-            }
-            self._toggleLoading('show');
-            var $el = self.$element, isDragDrop = arguments.length > 1, isAjaxUpload = self.isAjaxUpload,
-                tfiles, files = isDragDrop ? arguments[1] : $el[0].files, ctr = self.fileManager.count(),
-                total, initCount, len, isSingleUpl = $h.isEmpty($el.attr('multiple')),
-                maxCount = !isAjaxUpload && isSingleUpl ? 1 : self.maxFileCount, maxTotCount = self.maxTotalFileCount,
-                inclAll = maxTotCount > 0 && maxTotCount > maxCount, flagSingle = (isSingleUpl && ctr > 0),
-                throwError = function (mesg, file, previewId, index) {
-                    var p1 = $.extend(true, {}, self._getOutData(null, {}, {}, files), {id: previewId, index: index}),
-                        p2 = {id: previewId, index: index, file: file, files: files};
-                    self.isPersistentError = true;
-                    self._toggleLoading('hide');
-                    return isAjaxUpload ? self._showFileError(mesg, p1) : self._showError(mesg, p2);
-                },
-                maxCountCheck = function (n, m, all) {
-                    var msg = all ? self.msgTotalFilesTooMany : self.msgFilesTooMany;
-                    msg = msg.replace('{m}', m).replace('{n}', n);
-                    self.isError = throwError(msg, null, null, null);
-                    self.$captionContainer.removeClass('icon-visible');
-                    self._setCaption('', true);
-                    self.$container.removeClass('file-input-new file-input-ajax-new');
-                };
-            self.reader = null;
-            self._resetUpload();
-            self._hideFileIcon();
-            if (self.dropZoneEnabled) {
-                self.$container.find('.file-drop-zone .' + self.dropZoneTitleClass).remove();
-            }
-            if (!isAjaxUpload) {
-                if (e.target && e.target.files === undefined) {
-                    files = e.target.value ? [{name: e.target.value.replace(/^.+\\/, '')}] : [];
-                } else {
-                    files = e.target.files || {};
-                }
-            }
-            tfiles = files;
-            if ($h.isEmpty(tfiles) || tfiles.length === 0) {
-                if (!isAjaxUpload) {
-                    self.clear();
-                }
-                self._raise('fileselectnone');
-                return;
-            }
-            self._resetErrors();
-            len = tfiles.length;
-            initCount = isAjaxUpload ? (self.fileManager.count() + len) : len;
-            total = self._getFileCount(initCount, inclAll ? false : undefined);
-            if (maxCount > 0 && total > maxCount) {
-                if (!self.autoReplace || len > maxCount) {
-                    maxCountCheck((self.autoReplace && len > maxCount ? len : total), maxCount);
-                    return;
-                }
-                if (total > maxCount) {
-                    self._resetPreviewThumbs(isAjaxUpload);
-                }
+          }
+        }
+      }
+    },
+    _addError: function (msg) {
+      var self = this,
+        $error = self.$errorContainer;
+      if (msg && $error.length) {
+        $h.setHtml($error, self.errorCloseButton + msg);
+        self._handler($error.find(".kv-error-close"), "click", function () {
+          setTimeout(function () {
+            if (self.showPreview && !self.getFrames().length) {
+              self.clear();
+            }
+            $error.fadeOut("slow");
+          }, self.processDelay);
+        });
+      }
+    },
+    _setValidationError: function (css) {
+      var self = this;
+      css = (css ? css + " " : "") + "has-error";
+      self.$container.removeClass(css).addClass("has-error");
+      $h.addCss(self.$caption, "is-invalid");
+    },
+    _resetErrors: function (fade) {
+      var self = this,
+        $error = self.$errorContainer,
+        history = self.resumableUploadOptions.retainErrorHistory;
+      if (self.isPersistentError || (self.enableResumableUpload && history && !self.clearInput)) {
+        return;
+      }
+      self.clearInput = false;
+      self.isError = false;
+      self.$container.removeClass("has-error");
+      self.$caption.removeClass("is-invalid is-valid file-processing");
+      $error.html("");
+      if (fade) {
+        $error.fadeOut("slow");
+      } else {
+        $error.hide();
+      }
+    },
+    _showFolderError: function (folders) {
+      var self = this,
+        $error = self.$errorContainer,
+        msg;
+      if (!folders) {
+        return;
+      }
+      if (!self.isAjaxUpload) {
+        self._clearFileInput();
+      }
+      msg = self.msgFoldersNotAllowed.replace("{n}", folders);
+      self._addError(msg);
+      self._setValidationError();
+      $error.fadeIn(self.fadeDelay);
+      self._raise("filefoldererror", [folders, msg]);
+    },
+    showUserError: function (msg, params, retainErrorHistory) {
+      var self = this,
+        fileName;
+      if (!self.uploadInitiated) {
+        return;
+      }
+      if (!params || !params.fileId) {
+        if (!retainErrorHistory) {
+          self.$errorContainer.html("");
+        }
+      } else {
+        if (!retainErrorHistory) {
+          self.$errorContainer.find('[data-file-id="' + params.fileId + '"]').remove();
+        }
+        fileName = self.fileManager.getFileName(params.fileId);
+        if (fileName) {
+          msg = "<b>" + fileName + ":</b> " + msg;
+        }
+      }
+      self._showFileError(msg, params, "fileusererror");
+    },
+    _showFileError: function (msg, params, event) {
+      var self = this,
+        $error = self.$errorContainer,
+        ev = event || "fileuploaderror",
+        fId = (params && params.fileId) || "",
+        e =
+          params && params.id
+            ? '<li data-thumb-id="' + params.id + '" data-file-id="' + fId + '">' + msg + "</li>"
+            : "<li>" + msg + "</li>";
 
+      if ($error.find("ul").length === 0) {
+        self._addError("<ul>" + e + "</ul>");
+      } else {
+        $error.find("ul").append($h.cspBuffer.stash(e));
+        $h.cspBuffer.apply($error);
+      }
+      $error.fadeIn(self.fadeDelay);
+      self._raise(ev, [params, msg]);
+      self._setValidationError("file-input-new");
+      return true;
+    },
+    _showError: function (msg, params, event) {
+      var self = this,
+        $error = self.$errorContainer,
+        ev = event || "fileerror";
+      params = params || {};
+      params.reader = self.reader;
+      self._addError(msg);
+      $error.fadeIn(self.fadeDelay);
+      self._raise(ev, [params, msg]);
+      if (!self.isAjaxUpload) {
+        self._clearFileInput();
+      }
+      self._setValidationError("file-input-new");
+      self.$btnUpload.attr("disabled", true);
+      return true;
+    },
+    _noFilesError: function (params) {
+      var self = this,
+        label = self.minFileCount > 1 ? self.filePlural : self.fileSingle,
+        msg = self.msgFilesTooLess.replace("{n}", self.minFileCount).replace("{files}", label),
+        $error = self.$errorContainer;
+      msg = "<li>" + msg + "</li>";
+      if ($error.find("ul").length === 0) {
+        self._addError("<ul>" + msg + "</ul>");
+      } else {
+        $error.find("ul").append(msg);
+      }
+      self.isError = true;
+      self._updateFileDetails(0);
+      $error.fadeIn(self.fadeDelay);
+      self._raise("fileerror", [params, msg]);
+      self._clearFileInput();
+      self._setValidationError();
+    },
+    _parseError: function (operation, jqXHR, errorThrown, fileName) {
+      /** @namespace jqXHR.responseJSON */
+      var self = this,
+        errMsg = $h.trim(errorThrown + ""),
+        textPre,
+        errText,
+        text;
+      errText = jqXHR.responseJSON && jqXHR.responseJSON.error ? jqXHR.responseJSON.error.toString() : "";
+      text = errText ? errText : jqXHR.responseText;
+      if (self.cancelling && self.msgUploadAborted) {
+        errMsg = self.msgUploadAborted;
+      }
+      if (self.showAjaxErrorDetails && text) {
+        if (errText) {
+          errMsg = $h.trim(errText + "");
+        } else {
+          text = $h.trim(text.replace(/\n\s*\n/g, "\n"));
+          textPre = text.length ? "<pre>" + text + "</pre>" : "";
+          errMsg += errMsg ? textPre : text;
+        }
+      }
+      if (!errMsg) {
+        errMsg = self.msgAjaxError.replace("{operation}", operation);
+      }
+      self.cancelling = false;
+      return fileName ? "<b>" + fileName + ": </b>" + errMsg : errMsg;
+    },
+    _parseFileType: function (type, name) {
+      var self = this,
+        isValid,
+        vType,
+        cat,
+        i,
+        types = self.allowedPreviewTypes || [];
+      if (type === "application/text-plain") {
+        return "text";
+      }
+      for (i = 0; i < types.length; i++) {
+        cat = types[i];
+        isValid = self.fileTypeSettings[cat];
+        vType = isValid(type, name) ? cat : "";
+        if (!$h.isEmpty(vType)) {
+          return vType;
+        }
+      }
+      return "other";
+    },
+    _getPreviewIcon: function (fname) {
+      var self = this,
+        ext,
+        out = null;
+      if (fname && fname.indexOf(".") > -1) {
+        ext = fname.split(".").pop();
+        if (self.previewFileIconSettings) {
+          out = self.previewFileIconSettings[ext] || self.previewFileIconSettings[ext.toLowerCase()] || null;
+        }
+        if (self.previewFileExtSettings) {
+          $.each(self.previewFileExtSettings, function (key, func) {
+            if (self.previewFileIconSettings[key] && func(ext)) {
+              out = self.previewFileIconSettings[key];
+              //noinspection UnnecessaryReturnStatementJS
+              return;
+            }
+          });
+        }
+      }
+      return out || self.previewFileIcon;
+    },
+    _parseFilePreviewIcon: function (content, fname) {
+      var self = this,
+        icn = self._getPreviewIcon(fname),
+        out = content;
+      if (out.indexOf("{previewFileIcon}") > -1) {
+        out = out.setTokens({ previewFileIconClass: self.previewFileIconClass, previewFileIcon: icn });
+      }
+      return out;
+    },
+    _raise: function (event, params) {
+      var self = this,
+        e = $.Event(event);
+      if (params !== undefined) {
+        self.$element.trigger(e, params);
+      } else {
+        self.$element.trigger(e);
+      }
+      var out = e.result,
+        isAborted = out === false;
+      if (e.isDefaultPrevented() || isAborted) {
+        return false;
+      }
+      if (e.type === "filebatchpreupload" && (out || isAborted)) {
+        self.ajaxAborted = out;
+        return false;
+      }
+      switch (event) {
+        // ignore these events
+        case "filebatchuploadcomplete":
+        case "filebatchuploadsuccess":
+        case "fileuploaded":
+        case "fileclear":
+        case "filecleared":
+        case "filereset":
+        case "fileerror":
+        case "filefoldererror":
+        case "filecustomerror":
+        case "filesuccessremove":
+          break;
+        // receive data response via `filecustomerror` event`
+        default:
+          if (!self.ajaxAborted) {
+            self.ajaxAborted = out;
+          }
+          break;
+      }
+      return true;
+    },
+    _listenFullScreen: function (isFullScreen) {
+      var self = this,
+        $modal = self.$modal,
+        $btnFull,
+        $btnBord;
+      if (!$modal || !$modal.length) {
+        return;
+      }
+      $btnFull = $modal && $modal.find(".btn-kv-fullscreen");
+      $btnBord = $modal && $modal.find(".btn-kv-borderless");
+      if (!$btnFull.length || !$btnBord.length) {
+        return;
+      }
+      $btnFull.removeClass("active").attr("aria-pressed", "false");
+      $btnBord.removeClass("active").attr("aria-pressed", "false");
+      if (isFullScreen) {
+        $btnFull.addClass("active").attr("aria-pressed", "true");
+      } else {
+        $btnBord.addClass("active").attr("aria-pressed", "true");
+      }
+      if ($modal.hasClass("file-zoom-fullscreen")) {
+        self._maximizeZoomDialog();
+      } else {
+        if (isFullScreen) {
+          self._maximizeZoomDialog();
+        } else {
+          $btnBord.removeClass("active").attr("aria-pressed", "false");
+        }
+      }
+    },
+    _listen: function () {
+      var self = this,
+        $el = self.$element,
+        $form = self.$form,
+        $cont = self.$container,
+        fullScreenEv;
+      self._handler($el, "click", function (e) {
+        self._initFileSelected();
+        if ($el.hasClass("file-no-browse")) {
+          if ($el.data("zoneClicked")) {
+            $el.data("zoneClicked", false);
+          } else {
+            e.preventDefault();
+          }
+        }
+      });
+      self._handler($el, "change", $.proxy(self._change, self));
+      self._handler(self.$caption, "paste", $.proxy(self.paste, self));
+      if (self.showBrowse) {
+        self._handler(self.$btnFile, "click", $.proxy(self._browse, self));
+        self._handler(self.$btnFile, "keypress", function (e) {
+          var keycode = e.keyCode || e.which;
+          if (keycode === 13) {
+            $el.trigger("click");
+            self._browse(e);
+          }
+        });
+      }
+      self._handler($cont.find(".fileinput-remove:not([disabled])"), "click", $.proxy(self.clear, self));
+      self._handler($cont.find(".fileinput-cancel"), "click", $.proxy(self.cancel, self));
+      self._handler($cont.find(".fileinput-pause"), "click", $.proxy(self.pause, self));
+      self._initDragDrop();
+      self._handler($form, "reset", $.proxy(self.clear, self));
+      if (!self.isAjaxUpload) {
+        self._handler($form, "submit", $.proxy(self._submitForm, self));
+      }
+      self._handler(self.$container.find(".fileinput-upload"), "click", $.proxy(self._uploadClick, self));
+      self._handler($(window), "resize", function () {
+        self._listenFullScreen(screen.width === window.innerWidth && screen.height === window.innerHeight);
+      });
+      fullScreenEv = "webkitfullscreenchange mozfullscreenchange fullscreenchange MSFullscreenChange";
+      self._handler($(document), fullScreenEv, function () {
+        self._listenFullScreen($h.checkFullScreen());
+      });
+      self.$caption.on("focus", function () {
+        self.$captionContainer.focus();
+      });
+      self._autoFitContent();
+      self._initClickable();
+      self._refreshPreview();
+    },
+    _autoFitContent: function () {
+      var width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,
+        self = this,
+        config =
+          width < 400
+            ? self.previewSettingsSmall || self.defaults.previewSettingsSmall
+            : self.previewSettings || self.defaults.previewSettings,
+        sel;
+      $.each(config, function (cat, settings) {
+        sel = ".file-preview-frame .file-preview-" + cat;
+        self.$preview.find(sel + ".kv-preview-data," + sel + " .kv-preview-data").css(settings);
+      });
+    },
+    _scanDroppedItems: function (item, files, path) {
+      path = path || "";
+      var self = this,
+        i,
+        dirReader,
+        readDir,
+        errorHandler = function (e) {
+          self._log($h.logMessages.badDroppedFiles);
+          self._log(e);
+        };
+      if (item.isFile) {
+        item.file(function (file) {
+          if (path) {
+            file.newPath = path + file.name;
+          }
+          files.push(file);
+        }, errorHandler);
+      } else {
+        if (item.isDirectory) {
+          dirReader = item.createReader();
+          readDir = function () {
+            dirReader.readEntries(function (entries) {
+              if (entries && entries.length > 0) {
+                for (i = 0; i < entries.length; i++) {
+                  self._scanDroppedItems(entries[i], files, path + item.name + "/");
+                }
+                // recursively call readDir() again, since browser can only handle first 100 entries.
+                readDir();
+              }
+              return null;
+            }, errorHandler);
+          };
+          readDir();
+        }
+      }
+    },
+    _initDragDrop: function () {
+      var self = this,
+        $zone = self.$dropZone;
+      if (self.dropZoneEnabled && self.showPreview) {
+        self._handler($zone, "dragenter dragover", $.proxy(self._zoneDragEnter, self));
+        self._handler($zone, "dragleave", $.proxy(self._zoneDragLeave, self));
+        self._handler($zone, "drop", $.proxy(self._zoneDrop, self));
+        self._handler($(document), "dragenter dragover drop", self._zoneDragDropInit);
+      }
+    },
+    _zoneDragDropInit: function (e) {
+      e.stopPropagation();
+      e.preventDefault();
+    },
+    _zoneDragEnter: function (e) {
+      var self = this,
+        dt = e.originalEvent.dataTransfer,
+        hasFiles = $.inArray("Files", dt.types) > -1;
+      self._zoneDragDropInit(e);
+      if (self.isDisabled || !hasFiles) {
+        dt.effectAllowed = "none";
+        dt.dropEffect = "none";
+        return;
+      }
+      dt.dropEffect = "copy";
+      if (self._raise("fileDragEnter", { sourceEvent: e, files: dt.types.Files })) {
+        $h.addCss(self.$dropZone, "file-highlighted");
+      }
+    },
+    _zoneDragLeave: function (e) {
+      var self = this;
+      self._zoneDragDropInit(e);
+      if (self.isDisabled) {
+        return;
+      }
+      if (self._raise("fileDragLeave", { sourceEvent: e })) {
+        self.$dropZone.removeClass("file-highlighted");
+      }
+    },
+    _dropFiles: function (e, files) {
+      var self = this,
+        $el = self.$element;
+      if (!self.isAjaxUpload) {
+        self.changeTriggered = true;
+        $el.get(0).files = files;
+        setTimeout(function () {
+          self.changeTriggered = false;
+          $el.trigger("change" + self.namespace);
+        }, self.processDelay);
+      } else {
+        self._change(e, files);
+      }
+      self.$dropZone.removeClass("file-highlighted");
+    },
+    _addFilesFromSystem: function (e, dt, type) {
+      var self = this,
+        files = dt.files,
+        items = dt.items,
+        folders = $h.getDragDropFolders(items);
+      e.preventDefault();
+      if (self.isDisabled || $h.isEmpty(files) || !files.length) {
+        console.log("No valid copied files found in clipboard for pasting.");
+        return;
+      }
+      if (!self._raise(type, { sourceEvent: e, files: files })) {
+        return;
+      }
+      if (folders > 0) {
+        if (!self.isAjaxUpload) {
+          self._showFolderError(folders);
+          return;
+        }
+        files = [];
+        for (i = 0; i < items.length; i++) {
+          var item = items[i].webkitGetAsEntry();
+          if (item) {
+            self._scanDroppedItems(item, files);
+          }
+        }
+        setTimeout(function () {
+          self._dropFiles(e, files);
+        }, 500);
+      } else {
+        self._dropFiles(e, files);
+      }
+    },
+    _zoneDrop: function (e) {
+      /** @namespace e.originalEvent.dataTransfer */
+      var self = this,
+        i,
+        $el = self.$element,
+        dt = e.originalEvent.dataTransfer;
+      self._addFilesFromSystem(e, dt, "fileDragDrop");
+    },
+    _uploadClick: function (e) {
+      var self = this,
+        $btn = self.$container.find(".fileinput-upload"),
+        $form,
+        isEnabled = !$btn.hasClass("disabled") && $h.isEmpty($btn.attr("disabled"));
+      if (e && e.isDefaultPrevented()) {
+        return;
+      }
+      if (!self.isAjaxUpload) {
+        if (isEnabled && $btn.attr("type") !== "submit") {
+          e.preventDefault();
+          $form = $btn.closest("form");
+          // downgrade to normal form submit if possible
+          if ($form.length) {
+            $form.trigger("submit");
+          }
+        }
+        return;
+      }
+      e.preventDefault();
+      if (isEnabled) {
+        self.upload();
+      }
+    },
+    _submitForm: function () {
+      var self = this;
+      return self._isFileSelectionValid() && !self._abort({});
+    },
+    _clearPreview: function () {
+      var self = this,
+        $thumbs = self.showUploadedThumbs ? self.getFrames(":not(.file-preview-success)") : self.getFrames();
+      $thumbs.each(function () {
+        var $thumb = $(this);
+        $thumb.remove();
+      });
+      if (!self.getFrames().length || !self.showPreview) {
+        self._resetUpload();
+      }
+      self._validateDefaultPreview();
+    },
+    _initSortable: function () {
+      var self = this,
+        $el = self.$preview,
+        settings,
+        selector = "." + $h.SORT_CSS,
+        $cont,
+        $body = $("body"),
+        $html = $("html"),
+        rev = self.reversePreviewOrder,
+        Sortable = window.Sortable,
+        beginGrab,
+        endGrab;
+      if (!Sortable || $el.find(selector).length === 0) {
+        return;
+      }
+      $cont = $body.length ? $body : $html.length ? $html : self.$container;
+      beginGrab = function () {
+        $cont.addClass("file-grabbing");
+      };
+      endGrab = function () {
+        $cont.removeClass("file-grabbing");
+      };
+      settings = {
+        handle: ".drag-handle-init",
+        dataIdAttr: "data-fileid",
+        animation: 600,
+        draggable: selector,
+        scroll: false,
+        forceFallback: true,
+        onChoose: beginGrab,
+        onStart: beginGrab,
+        onUnchoose: endGrab,
+        onEnd: endGrab,
+        onSort: function (e) {
+          var oldIndex = e.oldIndex,
+            newIndex = e.newIndex,
+            i = 0,
+            len = self.initialPreviewConfig.length,
+            exceedsLast = len > 0 && newIndex >= len,
+            $item = $(e.item),
+            $first;
+          if (exceedsLast) {
+            newIndex = len - 1;
+          }
+          self.initialPreview = $h.moveArray(self.initialPreview, oldIndex, newIndex, rev);
+          self.initialPreviewConfig = $h.moveArray(self.initialPreviewConfig, oldIndex, newIndex, rev);
+          self.previewCache.init();
+          self.getFrames(".file-preview-initial").each(function () {
+            $(this).attr("data-fileindex", $h.INIT_FLAG + i);
+            i++;
+          });
+          if (exceedsLast) {
+            $first = self.getFrames(":not(.file-preview-initial):first");
+            if ($first.length) {
+              $item.slideUp(function () {
+                $item.insertBefore($first).slideDown();
+              });
+            }
+          }
+          self._raise("filesorted", {
+            previewId: $item.attr("id"),
+            oldIndex: oldIndex,
+            newIndex: newIndex,
+            stack: self.initialPreviewConfig,
+          });
+        },
+      };
+      $.extend(true, settings, self.fileActionSettings.dragSettings);
+      if (self.sortable) {
+        self.sortable.destroy();
+      }
+      self.sortable = Sortable.create($el[0], settings);
+    },
+    _setPreviewContent: function (content) {
+      var self = this;
+      $h.setHtml(self.$preview, content);
+      self._autoFitContent();
+    },
+    _initPreviewImageOrientations: function () {
+      var self = this,
+        i = 0,
+        canOrientImage = self.canOrientImage;
+      if (!self.autoOrientImageInitial && !canOrientImage) {
+        return;
+      }
+      self.getFrames(".file-preview-initial").each(function () {
+        var $thumb = $(this),
+          $img,
+          $zoomImg,
+          id,
+          config = self.initialPreviewConfig[i];
+        /** @namespace config.exif */
+        if (config && config.exif && config.exif.Orientation) {
+          id = $thumb.attr("id");
+          $img = $thumb.find(">.kv-file-content img");
+          $zoomImg = self._getZoom(id, " >.kv-file-content img");
+          if (canOrientImage) {
+            $img.css("image-orientation", self.autoOrientImageInitial ? "from-image" : "none");
+          } else {
+            self.setImageOrientation($img, $zoomImg, config.exif.Orientation, $thumb);
+          }
+        }
+        i++;
+      });
+    },
+    _initPreview: function (isInit) {
+      var self = this,
+        cap = self.initialCaption || "",
+        out;
+      if (!self.previewCache.count(true)) {
+        self._clearPreview();
+        if (isInit) {
+          self._setCaption(cap);
+        } else {
+          self._initCaption();
+        }
+        return;
+      }
+      out = self.previewCache.out();
+      cap = isInit && self.initialCaption ? self.initialCaption : out.caption;
+      self._setPreviewContent(out.content);
+      self._setInitThumbAttr();
+      self._setCaption(cap);
+      self._initSortable();
+      if (!$h.isEmpty(out.content)) {
+        self.$container.removeClass("file-input-new");
+      }
+      self._initPreviewImageOrientations();
+    },
+    _getZoomButton: function (type) {
+      var self = this,
+        label = self.previewZoomButtonIcons[type],
+        css = self.previewZoomButtonClasses[type],
+        title = ' title="' + (self.previewZoomButtonTitles[type] || "") + '" ',
+        tag = $h.isBs(5) ? "bs-" : "",
+        params = title + (type === "close" ? " data-" + tag + 'dismiss="modal" aria-hidden="true"' : "");
+      if (type === "fullscreen" || type === "borderless" || type === "toggleheader") {
+        params += ' data-toggle="button" aria-pressed="false"';
+      }
+      return '<button type="button" class="' + css + " btn-kv-" + type + '"' + params + ">" + label + "</button>";
+    },
+    _getModalContent: function () {
+      var self = this;
+      return self._getLayoutTemplate("modal").setTokens({
+        rtl: self.rtl ? " kv-rtl" : "",
+        zoomFrameClass: self.frameClass,
+        prev: self._getZoomButton("prev"),
+        next: self._getZoomButton("next"),
+        rotate: self._getZoomButton("rotate"),
+        toggleheader: self._getZoomButton("toggleheader"),
+        fullscreen: self._getZoomButton("fullscreen"),
+        borderless: self._getZoomButton("borderless"),
+        close: self._getZoomButton("close"),
+      });
+    },
+    _listenModalEvent: function (event) {
+      var self = this,
+        $modal = self.$modal,
+        getParams = function (e) {
+          return {
+            sourceEvent: e,
+            previewId: $modal.data("previewId"),
+            modal: $modal,
+          };
+        };
+      $modal.on(event + ".bs.modal", function (e) {
+        if (e.namespace !== "bs.modal") {
+          return;
+        }
+        var $btnFull = $modal.find(".btn-fullscreen"),
+          $btnBord = $modal.find(".btn-borderless");
+        if ($modal.data("fileinputPluginId") === self.$element.attr("id")) {
+          self._raise("filezoom" + event, getParams(e));
+        }
+        if (event === "shown") {
+          self._handleRotation($modal, $modal.find(".file-zoom-detail"), $modal.data("angle"));
+          $btnBord.removeClass("active").attr("aria-pressed", "false");
+          $btnFull.removeClass("active").attr("aria-pressed", "false");
+          if ($modal.hasClass("file-zoom-fullscreen")) {
+            self._maximizeZoomDialog();
+            if ($h.checkFullScreen()) {
+              $btnFull.addClass("active").attr("aria-pressed", "true");
             } else {
-                if (inclAll) {
-                    total = self._getFileCount(initCount, true);
-                    if (maxTotCount > 0 && total > maxTotCount) {
-                        if (!self.autoReplace || len > maxCount) {
-                            maxCountCheck((self.autoReplace && len > maxTotCount ? len : total), maxTotCount, true);
-                            return;
-                        }
-                        if (total > maxCount) {
-                            self._resetPreviewThumbs(isAjaxUpload);
-                        }
-                    }
-                }
-                if (!isAjaxUpload || flagSingle) {
-                    self._resetPreviewThumbs(false);
-                    if (flagSingle) {
-                        self.clearFileStack();
-                    }
-                } else {
-                    if (isAjaxUpload && ctr === 0 && (!self.previewCache.count(true) || self.overwriteInitial)) {
-                        self._resetPreviewThumbs(true);
-                    }
-                }
+              $btnBord.addClass("active").attr("aria-pressed", "true");
             }
-            if (self.autoReplace) {
-                self._getThumbs().each(function () {
-                    var $thumb = $(this);
-                    if ($thumb.hasClass('file-preview-success') || $thumb.hasClass('file-preview-error')) {
-                        $thumb.remove();
-                    }
-                });
-            }
-            self.readFiles(tfiles);
-            self._toggleLoading('hide');
-        },
-        _abort: function (params) {
-            var self = this, data;
-            if (self.ajaxAborted && typeof self.ajaxAborted === 'object' && self.ajaxAborted.message !== undefined) {
-                data = $.extend(true, {}, self._getOutData(null), params);
-                data.abortData = self.ajaxAborted.data || {};
-                data.abortMessage = self.ajaxAborted.message;
-                self._setProgress(101, self.$progress, self.msgCancelled);
-                self._showFileError(self.ajaxAborted.message, data, 'filecustomerror');
-                self.cancel();
-                self.unlock();
-                return true;
+          }
+        }
+      });
+    },
+    _initZoom: function () {
+      var self = this,
+        $dialog,
+        modalMain = self._getLayoutTemplate("modalMain"),
+        modalId = "#" + $h.MODAL_ID;
+      modalMain = self._setTabIndex("modal", modalMain);
+      if (!self.showPreview) {
+        return;
+      }
+      self.$modal = $(modalId);
+      if (!self.$modal || !self.$modal.length) {
+        $dialog = $h.createElement($h.cspBuffer.stash(modalMain)).insertAfter(self.$container);
+        self.$modal = $(modalId).insertBefore($dialog);
+        $h.cspBuffer.apply(self.$modal);
+        $dialog.remove();
+      }
+      $h.initModal(self.$modal);
+      self.$modal.html($h.cspBuffer.stash(self._getModalContent()));
+      $h.cspBuffer.apply(self.$modal);
+      $.each($h.MODAL_EVENTS, function (key, event) {
+        self._listenModalEvent(event);
+      });
+    },
+    _initZoomButtons: function () {
+      var self = this,
+        $modal = self.$modal,
+        previewId = $modal.data("previewId") || "",
+        $first,
+        $last,
+        thumbs = self.getFrames().toArray(),
+        len = thumbs.length,
+        $prev = $modal.find(".btn-kv-prev"),
+        $next = $modal.find(".btn-kv-next"),
+        $rotate = $modal.find(".btn-kv-rotate");
+      if (thumbs.length < 2) {
+        $prev.hide();
+        $next.hide();
+        return;
+      } else {
+        $prev.show();
+        $next.show();
+      }
+      if (!len) {
+        return;
+      }
+      $first = $(thumbs[0]);
+      $last = $(thumbs[len - 1]);
+      $prev.removeAttr("disabled");
+      $next.removeAttr("disabled");
+      if (self.reversePreviewOrder) {
+        [$prev, $next] = [$next, $prev]; // swap
+      }
+      if ($first.length && $first.attr("id") === previewId) {
+        $prev.attr("disabled", true);
+      }
+      if ($last.length && $last.attr("id") === previewId) {
+        $next.attr("disabled", true);
+      }
+    },
+    _maximizeZoomDialog: function () {
+      var self = this,
+        $modal = self.$modal,
+        $head = $modal.find(".modal-header:visible"),
+        $foot = $modal.find(".modal-footer:visible"),
+        $body = $modal.find(".kv-zoom-body"),
+        h = $(window).height(),
+        diff = 0;
+      $modal.addClass("file-zoom-fullscreen");
+      if ($head && $head.length) {
+        h -= $head.outerHeight(true);
+      }
+      if ($foot && $foot.length) {
+        h -= $foot.outerHeight(true);
+      }
+      if ($body && $body.length) {
+        diff = $body.outerHeight(true) - $body.height();
+        h -= diff;
+      }
+      $modal.find(".kv-zoom-body").height(h);
+    },
+    _resizeZoomDialog: function (fullScreen) {
+      var self = this,
+        $modal = self.$modal,
+        $btnFull = $modal.find(".btn-kv-fullscreen"),
+        $btnBord = $modal.find(".btn-kv-borderless");
+      if ($modal.hasClass("file-zoom-fullscreen")) {
+        $h.toggleFullScreen(false);
+        if (!fullScreen) {
+          if (!$btnFull.hasClass("active")) {
+            $modal.removeClass("file-zoom-fullscreen");
+            self.$modal.find(".kv-zoom-body").css("height", self.zoomModalHeight);
+          } else {
+            $btnFull.removeClass("active").attr("aria-pressed", "false");
+          }
+        } else {
+          if (!$btnFull.hasClass("active")) {
+            $modal.removeClass("file-zoom-fullscreen");
+            self._resizeZoomDialog(true);
+            if ($btnBord.hasClass("active")) {
+              $btnBord.removeClass("active").attr("aria-pressed", "false");
+            }
+          }
+        }
+      } else {
+        if (!fullScreen) {
+          self._maximizeZoomDialog();
+          return;
+        }
+        $h.toggleFullScreen(true);
+      }
+      $modal.focus();
+    },
+    _setZoomContent: function ($frame, navigate) {
+      var self = this,
+        $content,
+        tmplt,
+        body,
+        $body,
+        $dataEl,
+        config,
+        previewId = $frame.attr("id"),
+        $zoomPreview = self._getZoom(previewId),
+        $modal = self.$modal,
+        $tmp,
+        desc,
+        $desc,
+        $btnFull = $modal.find(".btn-kv-fullscreen"),
+        $btnBord = $modal.find(".btn-kv-borderless"),
+        cap,
+        size,
+        $btnTogh = $modal.find(".btn-kv-toggleheader"),
+        parsed,
+        zoomData = $frame.data("zoom");
+      if (zoomData) {
+        zoomData = decodeURIComponent(zoomData);
+        parsed = $zoomPreview.html().replace(self.zoomPlaceholder, "").setTokens({ zoomData: zoomData });
+        $h.setHtml($zoomPreview, parsed);
+        $frame.data("zoom", "");
+        $zoomPreview.attr("data-zoom", zoomData);
+      }
+      tmplt = $zoomPreview.attr("data-template") || "generic";
+      $content = $zoomPreview.find(".kv-file-content");
+      body = $content.length ? $content.html() : "";
+      cap = $frame.data("caption") || self.msgZoomModalHeading;
+      size = $frame.data("size") || "";
+      desc = $frame.data("description") || "";
+      $h.setHtml($modal.find(".kv-zoom-caption").attr("title", cap), cap);
+      $h.setHtml($modal.find(".kv-zoom-size"), size);
+      $desc = $modal.find(".kv-zoom-description").hide();
+      if (desc) {
+        if (self.showDescriptionClose) {
+          desc =
+            self._getLayoutTemplate("descriptionClose").setTokens({
+              closeIcon: self.previewZoomButtonIcons.close,
+            }) +
+            "</button>" +
+            desc;
+        }
+        $h.setHtml($desc, desc).show();
+        if (self.showDescriptionClose) {
+          self._handler($modal.find(".kv-desc-hide"), "click", function () {
+            $(this)
+              .parent()
+              .fadeOut("fast", function () {
+                $modal.focus();
+              });
+          });
+        }
+      }
+      $body = $modal.find(".kv-zoom-body");
+      $modal.removeClass("kv-single-content");
+      if (navigate) {
+        $tmp = $body.addClass("file-thumb-loading").clone().insertAfter($body);
+        $h.setHtml($body, body).hide();
+        $tmp.fadeOut("fast", function () {
+          $body.fadeIn("fast", function () {
+            $body.removeClass("file-thumb-loading");
+          });
+          $tmp.remove();
+        });
+      } else {
+        $h.setHtml($body, body);
+      }
+      config = self.previewZoomSettings[tmplt];
+      if (config) {
+        $dataEl = $body.find(".kv-preview-data");
+        $h.addCss($dataEl, "file-zoom-detail");
+        $.each(config, function (key, value) {
+          $dataEl.css(key, value);
+          if (($dataEl.attr("width") && key === "width") || ($dataEl.attr("height") && key === "height")) {
+            $dataEl.removeAttr(key);
+          }
+        });
+      }
+      $modal.data("previewId", previewId);
+      self._handler($modal.find(".btn-kv-prev"), "click", function () {
+        self._zoomSlideShow("prev", previewId);
+      });
+      self._handler($modal.find(".btn-kv-next"), "click", function () {
+        self._zoomSlideShow("next", previewId);
+      });
+      self._handler($btnFull, "click", function () {
+        self._resizeZoomDialog(true);
+      });
+      self._handler($btnBord, "click", function () {
+        self._resizeZoomDialog(false);
+      });
+      self._handler($btnTogh, "click", function () {
+        var $header = $modal.find(".modal-header"),
+          $floatBar = $modal.find(".floating-buttons"),
+          ht,
+          $actions = $header.find(".kv-zoom-actions"),
+          resize = function (height) {
+            var $body = self.$modal.find(".kv-zoom-body"),
+              h = self.zoomModalHeight;
+            if ($modal.hasClass("file-zoom-fullscreen")) {
+              h = $body.outerHeight(true);
+              if (!height) {
+                h = h - $header.outerHeight(true);
+              }
+            }
+            $body.css("height", height ? h + height : h);
+          };
+        if ($header.is(":visible")) {
+          ht = $header.outerHeight(true);
+          $header.slideUp("slow", function () {
+            $actions.find(".btn").appendTo($floatBar);
+            resize(ht);
+          });
+        } else {
+          $floatBar.find(".btn").appendTo($actions);
+          $header.slideDown("slow", function () {
+            resize();
+          });
+        }
+        $modal.focus();
+      });
+      self._handler($modal, "keydown", function (e) {
+        var key = e.which || e.keyCode,
+          delay = self.processDelay + 1,
+          $prev = $(this).find(".btn-kv-prev"),
+          $next = $(this).find(".btn-kv-next"),
+          vId = $(this).data("previewId"),
+          vPrevKey,
+          vNextKey;
+        [vPrevKey, vNextKey] = self.rtl ? [39, 37] : [37, 39];
+        $.each({ prev: [$prev, vPrevKey], next: [$next, vNextKey] }, function (direction, config) {
+          var $btn = config[0],
+            vKey = config[1];
+          if (key === vKey && $btn.length) {
+            $modal.focus();
+            if (!$btn.attr("disabled")) {
+              $btn.blur();
+              setTimeout(function () {
+                $btn.focus();
+                self._zoomSlideShow(direction, vId);
+                setTimeout(function () {
+                  if ($btn.attr("disabled")) {
+                    $modal.focus();
+                  }
+                }, delay);
+              }, delay);
             }
-            return !!self.ajaxAborted;
-        },
-        _resetFileStack: function () {
-            var self = this, i = 0;
-            self._getThumbs().each(function () {
-                var $thumb = $(this), ind = $thumb.attr('data-fileindex'), pid = $thumb.attr('id');
-                if (ind === '-1' || ind === -1) {
-                    return;
-                }
-                if (!self._getThumbFile($thumb)) {
-                    $thumb.attr({'data-fileindex': i});
-                    i++;
-                } else {
-                    $thumb.attr({'data-fileindex': '-1'});
-                }
-                self._getZoom(pid).attr({
-                    'data-fileindex': $thumb.attr('data-fileindex')
-                });
+          }
+        });
+      });
+    },
+    _showModal: function ($frame) {
+      var self = this,
+        $modal = self.$modal,
+        $content,
+        css,
+        angle;
+      if (!$frame || !$frame.length) {
+        return;
+      }
+      $h.initModal($modal);
+      $h.setHtml($modal, self._getModalContent());
+      self._setZoomContent($frame);
+      $modal.removeClass("rotatable");
+      $modal.data({ backdrop: false, fileinputPluginId: self.$element.attr("id") });
+      $modal.find(".kv-zoom-body").css("height", self.zoomModalHeight);
+      $content = $frame.find(".kv-file-content > :first-child");
+      if ($content.length) {
+        css = $content.css("transform");
+        if (css) {
+          $modal.find(".file-zoom-detail").css("transform", css);
+        }
+      }
+      if ($frame.hasClass("rotatable")) {
+        $modal.addClass("rotatable");
+      }
+      if ($frame.data("angle")) {
+        $modal.data("angle", $frame.data("angle"));
+      }
+      angle = $frame.data("angle") || 0;
+      $modal.modal("show");
+      self._initZoomButtons();
+      self._initRotateZoom($frame, $content);
+    },
+    _zoomPreview: function ($btn) {
+      var self = this,
+        $frame;
+      if (!$btn.length) {
+        throw "Cannot zoom to detailed preview!";
+      }
+      $frame = $btn.closest($h.FRAMES);
+      self._showModal($frame);
+    },
+    _zoomSlideShow: function (dir, previewId) {
+      var self = this,
+        $modal = self.$modal,
+        $btn = $modal.find(".kv-zoom-actions .btn-kv-" + dir),
+        $targFrame,
+        i,
+        $thumb,
+        thumbsData = self.getFrames().toArray(),
+        thumbs = [],
+        len = thumbsData.length,
+        out,
+        angle,
+        $content;
+      if (self.reversePreviewOrder) {
+        dir = dir === "prev" ? "next" : "prev";
+      }
+      if ($btn.attr("disabled")) {
+        return;
+      }
+      for (i = 0; i < len; i++) {
+        $thumb = $(thumbsData[i]);
+        if ($thumb && $thumb.length && $thumb.find(".kv-file-zoom:visible").length) {
+          thumbs.push(thumbsData[i]);
+        }
+      }
+      len = thumbs.length;
+      for (i = 0; i < len; i++) {
+        if ($(thumbs[i]).attr("id") === previewId) {
+          out = dir === "prev" ? i - 1 : i + 1;
+          break;
+        }
+      }
+      if (out < 0 || out >= len || !thumbs[out]) {
+        return;
+      }
+      $targFrame = $(thumbs[out]);
+      if ($targFrame.length) {
+        self._setZoomContent($targFrame, dir);
+      }
+      self._initZoomButtons();
+      if ($targFrame.length && $targFrame.hasClass("rotatable")) {
+        angle = $targFrame.data("angle") || 0;
+        $modal.addClass("rotatable").data("angle", angle);
+        $content = $targFrame.find(".kv-file-content > :first-child");
+        self._initRotateZoom($targFrame, $content);
+      } else {
+        $modal.removeClass("rotatable").removeData("angle");
+      }
+      self._raise("filezoom" + dir, { previewId: previewId, modal: self.$modal });
+    },
+    _initZoomButton: function () {
+      var self = this;
+      self.$preview.find(".kv-file-zoom").each(function () {
+        var $el = $(this);
+        self._handler($el, "click", function () {
+          self._zoomPreview($el);
+        });
+      });
+    },
+    _inputFileCount: function () {
+      return this.$element[0].files.length;
+    },
+    _refreshPreview: function () {
+      var self = this,
+        files;
+      if ((!self._inputFileCount() && !self.isAjaxUpload) || !self.showPreview || !self.isPreviewable) {
+        return;
+      }
+      if (self.isAjaxUpload) {
+        if (self.fileManager.count() > 0) {
+          files = $.extend(true, [], self.getFileList());
+          self.fileManager.clear();
+          self._clearFileInput();
+        } else {
+          files = self.$element[0].files;
+        }
+      } else {
+        files = self.$element[0].files;
+      }
+      if (files && files.length) {
+        self.readFiles(files);
+      }
+    },
+    _clearObjects: function ($el) {
+      $el.find("video audio").each(function () {
+        this.pause();
+        $(this).remove();
+      });
+      $el.find("img object div").each(function () {
+        $(this).remove();
+      });
+    },
+    _clearFileInput: function () {
+      var self = this,
+        $el = self.$element,
+        $srcFrm,
+        $tmpFrm,
+        $tmpEl;
+      if (!self._inputFileCount()) {
+        return;
+      }
+      $srcFrm = $el.closest("form");
+      $tmpFrm = $(document.createElement("form"));
+      $tmpEl = $(document.createElement("div"));
+      $el.before($tmpEl);
+      if ($srcFrm.length) {
+        $srcFrm.after($tmpFrm);
+      } else {
+        $tmpEl.after($tmpFrm);
+      }
+      $tmpFrm.append($el).trigger("reset");
+      $tmpEl.before($el).remove();
+      $tmpFrm.remove();
+    },
+    _resetUpload: function () {
+      var self = this;
+      self.uploadInitiated = false;
+      self.uploadStartTime = $h.now();
+      self.uploadCache = [];
+      self.$btnUpload.removeAttr("disabled");
+      self._setProgress(0);
+      self._hideProgress();
+      self._resetErrors(false);
+      self._initAjax();
+      self.fileManager.clearImages();
+      self._resetCanvas();
+      if (self.overwriteInitial) {
+        self.initialPreview = [];
+        self.initialPreviewConfig = [];
+        self.initialPreviewThumbTags = [];
+        self.previewCache.data = {
+          content: [],
+          config: [],
+          tags: [],
+        };
+      }
+    },
+    _resetCanvas: function () {
+      var self = this;
+      if (self.imageCanvas && self.imageCanvasContext) {
+        self.imageCanvasContext.clearRect(0, 0, self.imageCanvas.width, self.imageCanvas.height);
+      }
+    },
+    _hasInitialPreview: function () {
+      var self = this;
+      return !self.overwriteInitial && self.previewCache.count(true);
+    },
+    _resetPreview: function () {
+      var self = this,
+        out,
+        cap,
+        $div,
+        hasSuc = self.showUploadedThumbs,
+        hasErr = !self.removeFromPreviewOnError,
+        includeProcessed = (hasSuc || hasErr) && self.isDuplicateError;
+      if (self.previewCache.count(true)) {
+        out = self.previewCache.out();
+        if (includeProcessed) {
+          $div = $h.createDiv().insertAfter(self.$container);
+          self.getFrames().each(function () {
+            var $thumb = $(this);
+            if (
+              (hasSuc && $thumb.hasClass("file-preview-success")) ||
+              (hasErr && $thumb.hasClass("file-preview-error"))
+            ) {
+              $div.append($thumb);
+            }
+          });
+        }
+        self._setPreviewContent(out.content);
+        self._setInitThumbAttr();
+        cap = self.initialCaption ? self.initialCaption : out.caption;
+        self._setCaption(cap);
+        if (includeProcessed) {
+          $div.contents().appendTo(self.$preview);
+          $div.remove();
+        }
+      } else {
+        self._clearPreview();
+        self._initCaption();
+      }
+      if (self.showPreview) {
+        self._initZoom();
+        self._initSortable();
+      }
+      self.isDuplicateError = false;
+    },
+    _clearDefaultPreview: function () {
+      var self = this;
+      self.$preview.find(".file-default-preview").remove();
+    },
+    _validateDefaultPreview: function () {
+      var self = this;
+      if (!self.showPreview || $h.isEmpty(self.defaultPreviewContent)) {
+        return;
+      }
+      self._setPreviewContent('<div class="file-default-preview">' + self.defaultPreviewContent + "</div>");
+      self.$container.removeClass("file-input-new");
+      self._initClickable();
+    },
+    _resetPreviewThumbs: function (isAjax) {
+      var self = this,
+        out;
+      if (isAjax) {
+        self._clearPreview();
+        self.clearFileStack();
+        return;
+      }
+      if (self._hasInitialPreview()) {
+        out = self.previewCache.out();
+        self._setPreviewContent(out.content);
+        self._setInitThumbAttr();
+        self._setCaption(out.caption);
+        self._initPreviewActions();
+      } else {
+        self._clearPreview();
+      }
+    },
+    _getLayoutTemplate: function (t) {
+      var self = this,
+        template = self.layoutTemplates[t];
+      if ($h.isEmpty(self.customLayoutTags)) {
+        return template;
+      }
+      return $h.replaceTags(template, self.customLayoutTags);
+    },
+    _getPreviewTemplate: function (t) {
+      var self = this,
+        templates = self.previewTemplates,
+        template = templates[t] || templates.other;
+      if ($h.isEmpty(self.customPreviewTags)) {
+        return template;
+      }
+      return $h.replaceTags(template, self.customPreviewTags);
+    },
+    _getOutData: function (formdata, jqXHR, responseData, filesData) {
+      var self = this;
+      jqXHR = jqXHR || {};
+      responseData = responseData || {};
+      filesData = filesData || self.fileManager.list();
+      return {
+        formdata: formdata,
+        files: filesData,
+        filenames: self.filenames,
+        filescount: self.getFilesCount(),
+        extra: self._getExtraData(),
+        response: responseData,
+        reader: self.reader,
+        jqXHR: jqXHR,
+      };
+    },
+    _getMsgSelected: function (n, processing) {
+      var self = this,
+        strFiles = n === 1 ? self.fileSingle : self.filePlural;
+      return n > 0
+        ? self.msgSelected.replace("{n}", n).replace("{files}", strFiles)
+        : processing
+        ? self.msgProcessing
+        : self.msgNoFilesSelected;
+    },
+    _getFrame: function (id, skipWarning) {
+      var self = this,
+        $frame = $h.getFrameElement(self.$preview, id);
+      if (self.showPreview && !skipWarning && !$frame.length) {
+        self._log($h.logMessages.invalidThumb, { id: id });
+      }
+      return $frame;
+    },
+    _getZoom: function (id, selector) {
+      var self = this,
+        $frame = $h.getZoomElement(self.$preview, id, selector);
+      if (self.showPreview && !$frame.length) {
+        self._log($h.logMessages.invalidThumb, { id: id });
+      }
+      return $frame;
+    },
+    _getThumbs: function (css) {
+      css = css || "";
+      return this.getFrames(":not(.file-preview-initial)" + css);
+    },
+    _getThumbId: function (fileId) {
+      var self = this;
+      return self.previewInitId + "-" + fileId;
+    },
+    _getExtraData: function (fileId, index) {
+      var self = this,
+        data = self.uploadExtraData;
+      if (typeof self.uploadExtraData === "function") {
+        data = self.uploadExtraData(fileId, index);
+      }
+      return data;
+    },
+    _initXhr: function (xhrobj, fileId) {
+      var self = this,
+        fm = self.fileManager,
+        func = function (event) {
+          var pct = 0,
+            total = event.total,
+            loaded = event.loaded || event.position,
+            stats = fm.getUploadStats(fileId, loaded, total);
+          /** @namespace event.lengthComputable */
+          if (event.lengthComputable && !self.enableResumableUpload) {
+            pct = $h.round((loaded / total) * 100);
+          }
+          if (fileId) {
+            self._setFileUploadStats(fileId, pct, stats);
+          } else {
+            self._setProgress(pct, null, null, self._getStats(stats));
+          }
+          self._raise("fileajaxprogress", [stats]);
+        };
+      if (xhrobj.upload) {
+        if (self.progressDelay) {
+          func = $h.debounce(func, self.progressDelay);
+        }
+        xhrobj.upload.addEventListener("progress", func, false);
+      }
+      return xhrobj;
+    },
+    _initAjaxSettings: function () {
+      var self = this;
+      self._ajaxSettings = $.extend(true, {}, self.ajaxSettings);
+      self._ajaxDeleteSettings = $.extend(true, {}, self.ajaxDeleteSettings);
+    },
+    _mergeAjaxCallback: function (funcName, srcFunc, type) {
+      var self = this,
+        settings = self._ajaxSettings,
+        flag = self.mergeAjaxCallbacks,
+        targFunc;
+      if (type === "delete") {
+        settings = self._ajaxDeleteSettings;
+        flag = self.mergeAjaxDeleteCallbacks;
+      }
+      targFunc = settings[funcName];
+      if (flag && typeof targFunc === "function") {
+        if (flag === "before") {
+          settings[funcName] = function () {
+            targFunc.apply(this, arguments);
+            srcFunc.apply(this, arguments);
+          };
+        } else {
+          settings[funcName] = function () {
+            srcFunc.apply(this, arguments);
+            targFunc.apply(this, arguments);
+          };
+        }
+      } else {
+        settings[funcName] = srcFunc;
+      }
+    },
+    _ajaxSubmit: function (fnBefore, fnSuccess, fnComplete, fnError, formdata, fileId, index, vUrl) {
+      var self = this,
+        settings,
+        defaults,
+        data,
+        tm = self.taskManager;
+      if (!self._raise("filepreajax", [formdata, fileId, index])) {
+        return;
+      }
+      formdata.append("initialPreview", JSON.stringify(self.initialPreview));
+      formdata.append("initialPreviewConfig", JSON.stringify(self.initialPreviewConfig));
+      formdata.append("initialPreviewThumbTags", JSON.stringify(self.initialPreviewThumbTags));
+      self._initAjaxSettings();
+      self._mergeAjaxCallback("beforeSend", fnBefore);
+      self._mergeAjaxCallback("success", fnSuccess);
+      self._mergeAjaxCallback("complete", fnComplete);
+      self._mergeAjaxCallback("error", fnError);
+      vUrl = vUrl || self.uploadUrlThumb || self.uploadUrl;
+      if (typeof vUrl === "function") {
+        vUrl = vUrl();
+      }
+      data = self._getExtraData(fileId, index) || {};
+      if (typeof data === "object") {
+        $.each(data, function (key, value) {
+          formdata.append(key, value);
+        });
+      }
+      defaults = {
+        xhr: function () {
+          var xhrobj = $.ajaxSettings.xhr();
+          return self._initXhr(xhrobj, fileId);
+        },
+        url: self._encodeURI(vUrl),
+        type: "POST",
+        dataType: "json",
+        data: formdata,
+        cache: false,
+        processData: false,
+        contentType: false,
+      };
+      settings = $.extend(true, {}, defaults, self._ajaxSettings);
+      self.ajaxQueue.push(settings);
+      tm.addTask(fileId + "-" + index, function () {
+        var self = this.self,
+          config,
+          xhr;
+        config = self.ajaxQueue.shift();
+        xhr = $.ajax(config);
+        self.ajaxRequests.push(xhr);
+      }).runWithContext({ self: self });
+    },
+    _mergeArray: function (prop, content) {
+      var self = this,
+        arr1 = $h.cleanArray(self[prop]),
+        arr2 = $h.cleanArray(content);
+      self[prop] = arr1.concat(arr2);
+    },
+    _initUploadSuccess: function (out, $thumb, allFiles) {
+      var self = this,
+        append,
+        data,
+        index,
+        $div,
+        content,
+        config,
+        tags,
+        id,
+        i;
+      if (!self.showPreview || typeof out !== "object" || $.isEmptyObject(out)) {
+        self._resetCaption();
+        return;
+      }
+      if (out.initialPreview !== undefined && out.initialPreview.length > 0) {
+        self.hasInitData = true;
+        content = out.initialPreview || [];
+        config = out.initialPreviewConfig || [];
+        tags = out.initialPreviewThumbTags || [];
+        append = out.append === undefined || out.append;
+        if (content.length > 0 && !$h.isArray(content)) {
+          content = content.split(self.initialPreviewDelimiter);
+        }
+        if (content.length) {
+          self._mergeArray("initialPreview", content);
+          self._mergeArray("initialPreviewConfig", config);
+          self._mergeArray("initialPreviewThumbTags", tags);
+        }
+        if ($thumb !== undefined) {
+          if (!allFiles) {
+            index = self.previewCache.add(content[0], config[0], tags[0], append);
+            data = self.previewCache.get(index, false);
+            $div = $h.createElement($h.cspBuffer.stash(data)).hide().appendTo($thumb);
+            $h.cspBuffer.apply($thumb);
+            $thumb.fadeOut("slow", function () {
+              var $newThumb = $div.find("> .file-preview-frame");
+              if ($newThumb && $newThumb.length) {
+                $newThumb.insertBefore($thumb).fadeIn("slow").css("display:inline-block");
+              }
+              self._initPreviewActions();
+              self._clearFileInput();
+              $thumb.remove();
+              $div.remove();
+              self._initSortable();
             });
-        },
-        _isFileSelectionValid: function (cnt) {
-            var self = this;
-            cnt = cnt || 0;
-            if (self.required && !self.getFilesCount()) {
-                self.$errorContainer.html('');
-                self._showFileError(self.msgFileRequired);
-                return false;
-            }
-            if (self.minFileCount > 0 && self._getFileCount(cnt) < self.minFileCount) {
-                self._noFilesError({});
-                return false;
-            }
-            return true;
-        },
-        _canPreview: function (file) {
-            var self = this;
-            if (!file || !self.showPreview || !self.$preview || !self.$preview.length) {
-                return false;
-            }
-            var name = file.name || '', type = file.type || '', size = (file.size || 0) / self.bytesToKB,
-                cat = self._parseFileType(type, name), allowedTypes, allowedMimes, allowedExts, skipPreview,
-                types = self.allowedPreviewTypes, mimes = self.allowedPreviewMimeTypes,
-                exts = self.allowedPreviewExtensions || [], dTypes = self.disabledPreviewTypes,
-                dMimes = self.disabledPreviewMimeTypes, dExts = self.disabledPreviewExtensions || [],
-                maxSize = self.maxFilePreviewSize && parseFloat(self.maxFilePreviewSize) || 0,
-                expAllExt = new RegExp('\\.(' + exts.join('|') + ')$', 'i'),
-                expDisExt = new RegExp('\\.(' + dExts.join('|') + ')$', 'i');
-            allowedTypes = !types || types.indexOf(cat) !== -1;
-            allowedMimes = !mimes || mimes.indexOf(type) !== -1;
-            allowedExts = !exts.length || $h.compare(name, expAllExt);
-            skipPreview = (dTypes && dTypes.indexOf(cat) !== -1) || (dMimes && dMimes.indexOf(type) !== -1) ||
-                (dExts.length && $h.compare(name, expDisExt)) || (maxSize && !isNaN(maxSize) && size > maxSize);
-            return !skipPreview && (allowedTypes || allowedMimes || allowedExts);
-        },
-        addToStack: function (file, id) {
-            var self = this;
-            self.stackIsUpdating = true;
-            self.fileManager.add(file, id);
-            self._refreshPreview();
-            self.stackIsUpdating = false;
-        },
-        clearFileStack: function () {
-            var self = this;
-            self.fileManager.clear();
-            self._initResumableUpload();
-            if (self.enableResumableUpload) {
-                if (self.showPause === null) {
-                    self.showPause = true;
-                }
-                if (self.showCancel === null) {
-                    self.showCancel = false;
-                }
-            } else {
-                self.showPause = false;
-                if (self.showCancel === null) {
-                    self.showCancel = true;
-                }
-            }
-            return self.$element;
-        },
-        getFileStack: function () {
-            return this.fileManager.stack;
-        },
-        getFileList: function () {
-            return this.fileManager.list();
-        },
-        getFilesSize: function () {
-            return this.fileManager.getTotalSize();
-        },
-        getFilesCount: function (includeInitial) {
-            var self = this, len = self.isAjaxUpload ? self.fileManager.count() : self._inputFileCount();
-            if (includeInitial) {
-                len += self.previewCache.count(true);
-            }
-            return self._getFileCount(len);
-        },
-        _initCapStatus: function (status) {
-            var self = this, $cap = self.$caption;
-            $cap.removeClass('is-valid file-processing');
-            if (!status) {
-                return;
-            }
-            if (status === 'processing') {
-                $cap.addClass('file-processing');
-            } else {
-                $cap.addClass('is-valid');
-            }
-        },
-        _toggleLoading: function (type) {
-            var self = this;
-            self.$previewStatus.html(type === 'hide' ? '' : self.msgProcessing);
-            self.$container.removeClass('file-thumb-loading');
-            self._initCapStatus(type === 'hide' ? '' : 'processing');
-            if (type !== 'hide') {
-                if (self.dropZoneEnabled) {
-                    self.$container.find('.file-drop-zone .' + self.dropZoneTitleClass).remove();
-                }
-                self.$container.addClass('file-thumb-loading');
-            }
-        },
-        _initFileSelected: function () {
-            var self = this, $el = self.$element, $body = $(document.body), ev = 'focusin.fileinput focusout.fileinput';
-            if ($body.length) {
-                $body.off(ev).on('focusout.fileinput', function () {
-                    self._toggleLoading('show');
-                }).on('focusin.fileinput', function () {
-                    setTimeout(function () {
-                        if (!$el.val()) {
-                            self._setFileDropZoneTitle();
-                        }
-                        $body.off(ev);
-                        self._toggleLoading('hide');
-                    }, 2500);
-                });
-            } else {
-                self._toggleLoading('hide');
-            }
-        },
-        readFiles: function (files) {
-            this.reader = new FileReader();
-            var self = this, reader = self.reader, $container = self.$previewContainer,
-                $status = self.$previewStatus, msgLoading = self.msgLoading, msgProgress = self.msgProgress,
-                previewInitId = self.previewInitId, numFiles = files.length, settings = self.fileTypeSettings,
-                readFile, fileTypes = self.allowedFileTypes, typLen = fileTypes ? fileTypes.length : 0,
-                fileExt = self.allowedFileExtensions, strExt = $h.isEmpty(fileExt) ? '' : fileExt.join(', '),
-                throwError = function (msg, file, previewId, index, fileId) {
-                    var $thumb, p1 = $.extend(true, {}, self._getOutData(null, {}, {}, files),
-                            {id: previewId, index: index, fileId: fileId}),
-                        p2 = {id: previewId, index: index, fileId: fileId, file: file, files: files};
-                    self._previewDefault(file, true);
-                    $thumb = self._getFrame(previewId, true);
-                    self._toggleLoading('hide');
-                    if (self.isAjaxUpload) {
-                        setTimeout(function () {
-                            readFile(index + 1);
-                        }, self.processDelay);
-                    } else {
-                        self.unlock();
-                        numFiles = 0;
-                    }
-                    if (self.removeFromPreviewOnError && $thumb.length) {
-                        $thumb.remove();
-                    } else {
-                        self._initFileActions();
-                        $thumb.find('.kv-file-upload').remove();
-                    }
-                    self.isPersistentError = true;
-                    self.isError = self.isAjaxUpload ? self._showFileError(msg, p1) : self._showError(msg, p2);
-                    self._updateFileDetails(numFiles);
-                };
-            self.fileManager.clearImages();
-            $.each(files, function (key, file) {
-                var func = self.fileTypeSettings.image;
-                if (func && func(file.type)) {
-                    self.fileManager.totalImages++;
-                }
+          } else {
+            id = $thumb.attr("id");
+            i = self._getUploadCacheIndex(id);
+            if (i !== null) {
+              self.uploadCache[i] = {
+                id: id,
+                content: content[0],
+                config: config[0] || [],
+                tags: tags[0] || [],
+                append: append,
+              };
+            }
+          }
+        } else {
+          self.previewCache.set(content, config, tags, append);
+          self._initPreview();
+          self._initPreviewActions();
+        }
+      }
+      self._resetCaption();
+    },
+    _getUploadCacheIndex: function (id) {
+      var self = this,
+        i,
+        len = self.uploadCache.length,
+        config;
+      for (i = 0; i < len; i++) {
+        config = self.uploadCache[i];
+        if (config.id === id) {
+          return i;
+        }
+      }
+      return null;
+    },
+    _initSuccessThumbs: function () {
+      var self = this;
+      if (!self.showPreview) {
+        return;
+      }
+      setTimeout(function () {
+        self._getThumbs($h.FRAMES + ".file-preview-success").each(function () {
+          var $thumb = $(this),
+            $remove = $thumb.find(".kv-file-remove");
+          $remove.removeAttr("disabled");
+          self._handler($remove, "click", function () {
+            var id = $thumb.attr("id"),
+              out = self._raise("filesuccessremove", [id, $thumb.attr("data-fileindex")]);
+            $h.cleanMemory($thumb);
+            if (out === false) {
+              return;
+            }
+            self.$caption.attr("title", "");
+            $thumb.fadeOut("slow", function () {
+              var fm = self.fileManager;
+              $thumb.remove();
+              if (!self.getFrames().length) {
+                self.reset();
+              }
             });
-            readFile = function (i) {
-                var $error = self.$errorContainer, errors, fm = self.fileManager;
-                if (i >= numFiles) {
-                    self.unlock();
-                    if (self.duplicateErrors.length) {
-                        errors = '<li>' + self.duplicateErrors.join('</li><li>') + '</li>';
-                        if ($error.find('ul').length === 0) {
-                            $h.setHtml($error, self.errorCloseButton + '<ul>' + errors + '</ul>');
-                        } else {
-                            $error.find('ul').append(errors);
-                        }
-                        $error.fadeIn(self.fadeDelay);
-                        self._handler($error.find('.kv-error-close'), 'click', function () {
-                            $error.fadeOut(self.fadeDelay);
-                        });
-                        self.duplicateErrors = [];
-                    }
-                    if (self.isAjaxUpload) {
-                        self._raise('filebatchselected', [fm.stack]);
-                        if (fm.count() === 0 && !self.isError) {
-                            self.reset();
-                        }
-                    } else {
-                        self._raise('filebatchselected', [files]);
-                    }
-                    $container.removeClass('file-thumb-loading');
-                    self._initCapStatus('valid');
-                    $status.html('');
-                    return;
-                }
-                self.lock(true);
-                var file = files[i], id, previewId, fileProcessed,
-                    fSize = (file && file.size || 0), sizeHuman = self._getSize(fSize, true), j, msg,
-                    fnImage = settings.image, chk, typ, typ1, typ2, caption, fileSize = fSize / self.bytesToKB,
-                    fileExtExpr = '', previewData, fileCount = 0, strTypes = '', fileId, canLoad,
-                    fileReaderAborted = false, func, knownTypes = 0, isImage, processFileLoaded, initFileData;
-                initFileData = function (dataSource) {
-                    dataSource = dataSource || file;
-                    id = fileId = self._getFileId(file);
-                    previewId = previewInitId + '-' + id;
-                    previewData = $h.createObjectURL(dataSource);
-                    caption = self._getFileName(file, '');
-                };
-                processFileLoaded = function () {
-                    var isImageResized = !!fm.loadedImages[id], msg = msgProgress.setTokens({
-                        'index': i + 1,
-                        'files': numFiles,
-                        'percent': 50,
-                        'name': caption
-                    });
-                    setTimeout(function () {
-                        $status.html(msg);
-                        self._updateFileDetails(numFiles);
-                        if (self.getFilesCount(true) > 0 && self.getFrames(':visible')) {
-                            self.$dropZone.find('.' + self.dropZoneTitleClass).remove();
-                        }
-                        readFile(i + 1);
-                    }, self.processDelay);
-                    if (self._raise('fileloaded', [file, previewId, id, i, reader]) && self.isAjaxUpload) {
-                        if (!isImageResized) {
-                            fm.add(file);
-                        }
-                    } else {
-                        if (isImageResized) {
-                            fm.removeFile(id);
-                        }
-                    }
-                };
-                if (!file) {
-                    return;
-                }
-                initFileData();
-
-                if (typLen > 0) {
-                    for (j = 0; j < typLen; j++) {
-                        typ1 = fileTypes[j];
-                        typ2 = self.msgFileTypes[typ1] || typ1;
-                        strTypes += j === 0 ? typ2 : ', ' + typ2;
-                    }
-                }
-                if (caption === false) {
-                    readFile(i + 1);
-                    return;
-                }
-                if (caption.length === 0) {
-                    msg = self.msgInvalidFileName.replace('{name}', $h.htmlEncode($h.getFileName(file), '[unknown]'));
-                    throwError(msg, file, previewId, i, fileId);
-                    return;
-                }
-                if (!$h.isEmpty(fileExt)) {
-                    fileExtExpr = new RegExp('\\.(' + fileExt.join('|') + ')$', 'i');
-                }
-                if (self.isAjaxUpload && fm.exists(fileId) || self._getFrame(previewId, true).length) {
-                    var p2 = {id: previewId, index: i, fileId: fileId, file: file, files: files};
-                    msg = self.msgDuplicateFile.setTokens({name: caption, size: sizeHuman});
-                    if (self.isAjaxUpload) {
-                        if (!self.stackIsUpdating) {
-                            self.duplicateErrors.push(msg);
-                            self.isDuplicateError = true;
-                            self._raise('fileduplicateerror', [file, fileId, caption, sizeHuman, previewId, i]);
-                        }
-                        readFile(i + 1);
-                        self._updateFileDetails(numFiles);
-                    } else {
-                        self._showError(msg, p2);
-                        self.unlock();
-                        numFiles = 0;
-                        self._clearFileInput();
-                        self.reset();
-                        self._updateFileDetails(numFiles);
-                    }
-                    return;
-                }
-                if (self.maxFileSize > 0 && fileSize > self.maxFileSize) {
-                    msg = self.msgSizeTooLarge.setTokens({
-                        'name': caption,
-                        'size': sizeHuman,
-                        'maxSize': self._getSize(self.maxFileSize * self.bytesToKB, true)
-                    });
-                    throwError(msg, file, previewId, i, fileId);
-                    return;
-                }
-                if (self.minFileSize !== null && fileSize <= $h.getNum(self.minFileSize)) {
-                    msg = self.msgSizeTooSmall.setTokens({
-                        'name': caption,
-                        'size': sizeHuman,
-                        'minSize': self._getSize(self.minFileSize * self.bytesToKB, true)
-                    });
-                    throwError(msg, file, previewId, i, fileId);
-                    return;
-                }
-                if (!$h.isEmpty(fileTypes) && $h.isArray(fileTypes)) {
-                    for (j = 0; j < fileTypes.length; j += 1) {
-                        typ = fileTypes[j];
-                        func = settings[typ];
-                        fileCount += !func || (typeof func !== 'function') ? 0 : (func(file.type,
-                            $h.getFileName(file)) ? 1 : 0);
-                    }
-                    if (fileCount === 0) {
-                        msg = self.msgInvalidFileType.setTokens({name: caption, types: strTypes});
-                        throwError(msg, file, previewId, i, fileId);
-                        return;
-                    }
-                }
-                if (fileCount === 0 && !$h.isEmpty(fileExt) && $h.isArray(fileExt) && !$h.isEmpty(fileExtExpr)) {
-                    chk = $h.compare(caption, fileExtExpr);
-                    fileCount += $h.isEmpty(chk) ? 0 : chk.length;
-                    if (fileCount === 0) {
-                        msg = self.msgInvalidFileExtension.setTokens({name: caption, extensions: strExt});
-                        throwError(msg, file, previewId, i, fileId);
-                        return;
-                    }
-                }
-                if (!self._canPreview(file)) {
-                    canLoad = self._raise('filebeforeload', [file, i, reader]);
-                    if (self.isAjaxUpload && canLoad) {
-                        fm.add(file);
-                    }
-                    if (self.showPreview && canLoad) {
-                        $container.addClass('file-thumb-loading');
-                        self._initCapStatus('processing');
-                        self._previewDefault(file);
-                        self._initFileActions();
-                    }
-                    setTimeout(function () {
-                        if (canLoad) {
-                            self._updateFileDetails(numFiles);
-                        }
-                        readFile(i + 1);
-                        self._raise('fileloaded', [file, previewId, id, i]);
-                    }, 10);
-                    return;
-                }
-                isImage = fnImage(file.type, caption);
-                $status.html(msgLoading.replace('{index}', i + 1).replace('{files}', numFiles));
-                $container.addClass('file-thumb-loading');
-                self._initCapStatus('processing');
-                reader.onerror = function (evt) {
-                    self._errorHandler(evt, caption);
-                };
-                reader.onload = function (theFile) {
-                    var hex, fileInfo, fileData, byte, bytes = [], contents, mime,
-                        processPreview = function (fType, ext) {
-                            if ($h.isEmpty(fType)) { // look for ascii text content
-                                contents = $h.arrayBuffer2String(reader.result);
-                                fType = $h.isSvg(contents) ? 'image/svg+xml' : $h.getMimeType(hex, contents, file.type);
-                            }
-                            fileInfo = {'name': caption, 'type': fType || ''};
-                            if (ext && typeof File !== "undefined") {
-                                try {
-                                    var fName = fileInfo.filename = caption + '.' + ext;
-                                    fileProcessed = new File([file], fName, {type: fileInfo.type});
-                                    initFileData(fileProcessed);
-                                } catch (err) {
-                                }
-                            }
-                            isImage = fnImage(fType, '');
-                            if (isImage) {
-                                var newReader = new FileReader();
-                                newReader.onerror = function (theFileNew) {
-                                    self._errorHandler(theFileNew, caption);
-                                };
-                                newReader.onload = function (theFileNew) {
-                                    if (self.isAjaxUpload && !self._raise('filebeforeload', [file, i, reader])) {
-                                        fileReaderAborted = true;
-                                        self._resetCaption();
-                                        reader.abort();
-                                        $status.html('');
-                                        $container.removeClass('file-thumb-loading');
-                                        self._initCapStatus('valid');
-                                        self.enable();
-                                        return;
-                                    }
-                                    self._previewFile(i, file, theFileNew, previewData, fileInfo);
-                                    self._initFileActions();
-                                    processFileLoaded();
-                                };
-                                newReader.readAsDataURL(file);
-                                return;
-                            }
-                            if (self.isAjaxUpload && !self._raise('filebeforeload', [file, i, reader])) {
-                                fileReaderAborted = true;
-                                self._resetCaption();
-                                reader.abort();
-                                $status.html('');
-                                $container.removeClass('file-thumb-loading');
-                                self._initCapStatus('valid');
-                                self.enable();
-                                return;
-                            }
-                            self._previewFile(i, file, theFile, previewData, fileInfo);
-                            self._initFileActions();
-                            processFileLoaded();
-                        };
-                    mime = file.type;
-                    fileInfo = {'name': caption, 'type': mime};
-                    $.each(settings, function (k, f) {
-                        if (k !== 'object' && k !== 'other' && typeof f === 'function' && f(mime, caption)) {
-                            knownTypes++;
-                        }
-                    });
-                    if (typeof FileTypeParser !== "undefined") {
-                        fileData = new Uint8Array(theFile.target.result);
-                        new FileTypeParser().parse(fileData).then(function (result) {
-                            processPreview(result && result.mime || mime, result && result.ext || '');
-                        });
-                    } else {
-                        if (knownTypes === 0) { // auto detect mime types from content if no known file types detected
-                            fileData = new Uint8Array(theFile.target.result);
-                            for (j = 0; j < fileData.length; j++) {
-                                byte = fileData[j].toString(16);
-                                bytes.push(byte);
-                            }
-                            hex = bytes.join('').toLowerCase().substring(0, 8);
-                            mime = $h.getMimeType(hex, '', '');
-                        }
-                        processPreview(mime);
-                    }
-                };
-                reader.onprogress = function (data) {
-                    if (data.lengthComputable) {
-                        var fact = (data.loaded / data.total) * 100, progress = Math.ceil(fact);
-                        msg = msgProgress.setTokens({
-                            'index': i + 1,
-                            'files': numFiles,
-                            'percent': progress,
-                            'name': caption
-                        });
-                        setTimeout(function () {
-                            if (!fileReaderAborted) {
-                                $status.html(msg);
-                            }
-                        }, self.processDelay);
-                    }
-                };
-                reader.readAsArrayBuffer(file);
-            };
-
-            readFile(0);
-            self._updateFileDetails(numFiles);
-        },
-        lock: function (selectMode) {
-            var self = this, $container = self.$container;
-            self._resetErrors();
-            self.disable();
-            if (!selectMode && self.showCancel) {
-                $container.find('.fileinput-cancel').show();
-            }
-            if (!selectMode && self.showPause) {
-                $container.find('.fileinput-pause').show();
-            }
-            self._initCapStatus('processing');
-            self._raise('filelock', [self.fileManager.stack, self._getExtraData()]);
-            return self.$element;
-        },
-        unlock: function (reset) {
-            var self = this, $container = self.$container;
-            if (reset === undefined) {
-                reset = true;
-            }
-            self.enable();
-            $container.removeClass('is-locked');
-            if (self.showCancel) {
-                $container.find('.fileinput-cancel').hide();
-            }
-            if (self.showPause) {
-                $container.find('.fileinput-pause').hide();
-            }
-            if (reset) {
-                self._resetFileStack();
-            }
-            self._initCapStatus();
-            self._raise('fileunlock', [self.fileManager.stack, self._getExtraData()]);
-            return self.$element;
-        },
-        resume: function () {
-            var self = this, fm = self.fileManager, flag = false, rm = self.resumableManager;
-            fm.bpsLog = [];
-            fm.bps = 0;
-            if (!self.enableResumableUpload) {
-                return self.$element;
-            }
-            if (self.paused) {
-                self._toggleResumableProgress(self.progressPauseTemplate, self.msgUploadResume);
-            } else {
-                flag = true;
-            }
-            self.paused = false;
-            if (flag) {
-                self._toggleResumableProgress(self.progressInfoTemplate, self.msgUploadBegin);
-            }
-            setTimeout(function () {
-                rm.upload();
-            }, self.processDelay);
-            return self.$element;
-        },
-        paste: function (e) {
-            var self = this, ev = e.originalEvent, files = ev.clipboardData && ev.clipboardData.files || null;
-            if (files) {
-                self._dropFiles(e, files);
-            }
-            return self.$element;
-        },
-        pause: function () {
-            var self = this, rm = self.resumableManager, xhr = self.ajaxRequests, len = xhr.length, i,
-                pct = rm.getProgress(), actions = self.fileActionSettings, tm = self.taskManager,
-                pool = tm.getPool(rm.id);
-            if (!self.enableResumableUpload) {
-                return self.$element;
-            } else {
-                if (pool) {
-                    pool.cancel();
-                }
-            }
-            self._raise('fileuploadpaused', [self.fileManager, rm]);
-            if (len > 0) {
-                for (i = 0; i < len; i += 1) {
-                    self.paused = true;
-                    xhr[i].abort();
-                }
-            }
+          });
+        });
+      }, self.processDelay);
+    },
+    _updateInitialPreview: function () {
+      var self = this,
+        u = self.uploadCache;
+      if (self.showPreview) {
+        $.each(u, function (key, setting) {
+          self.previewCache.add(setting.content, setting.config, setting.tags, setting.append);
+        });
+        if (self.hasInitData) {
+          self._initPreview();
+          self._initPreviewActions();
+        }
+      }
+    },
+    _getThumbFileId: function ($thumb) {
+      var self = this;
+      if (self.showPreview && $thumb !== undefined) {
+        return $thumb.attr("data-fileid");
+      }
+      return null;
+    },
+    _getThumbFile: function ($thumb) {
+      var self = this,
+        id = self._getThumbFileId($thumb);
+      return id ? self.fileManager.getFile(id) : null;
+    },
+    _uploadSingle: function (i, id, isBatch, deferrer) {
+      var self = this,
+        fm = self.fileManager,
+        count = fm.count(),
+        formdata = new FormData(),
+        outData,
+        previewId = self._getThumbId(id),
+        $thumb,
+        chkComplete,
+        $btnUpload,
+        $btnDelete,
+        hasPostData = count > 0 || !$.isEmptyObject(self.uploadExtraData),
+        uploadFailed,
+        $prog,
+        fnBefore,
+        errMsg,
+        fnSuccess,
+        fnComplete,
+        fnError,
+        updateUploadLog,
+        op = self.ajaxOperations.uploadThumb,
+        fileObj = fm.getFile(id),
+        params = { id: previewId, index: i, fileId: id },
+        fileName = self.fileManager.getFileName(id, true),
+        resolve = function () {
+          if (deferrer && deferrer.resolve) {
+            deferrer.resolve();
+          }
+        },
+        reject = function () {
+          if (deferrer && deferrer.reject) {
+            deferrer.reject();
+          }
+        };
+      if (self.enableResumableUpload) {
+        // not enabled for resumable uploads
+        return;
+      }
+      self.uploadInitiated = true;
+      if (self.showPreview) {
+        $thumb = fm.getThumb(id);
+        $prog = $thumb.find(".file-thumb-progress");
+        $btnUpload = $thumb.find(".kv-file-upload");
+        $btnDelete = $thumb.find(".kv-file-remove");
+        $prog.show();
+      }
+      if (
+        count === 0 ||
+        !hasPostData ||
+        (self.showPreview && $btnUpload && $btnUpload.hasClass("disabled")) ||
+        self._abort(params)
+      ) {
+        return;
+      }
+      updateUploadLog = function () {
+        if (!uploadFailed) {
+          fm.removeFile(id);
+        } else {
+          fm.errors.push(id);
+        }
+        fm.setProcessed(id);
+        if (fm.isProcessed()) {
+          self.fileBatchCompleted = true;
+          chkComplete();
+        }
+      };
+      chkComplete = function () {
+        var $initThumbs;
+        if (!self.fileBatchCompleted) {
+          return;
+        }
+        setTimeout(function () {
+          var triggerReset = fm.count() === 0,
+            errCount = fm.errors.length;
+          self._updateInitialPreview();
+          self.unlock(triggerReset);
+          if (triggerReset) {
+            self._clearFileInput();
+          }
+          $initThumbs = self.$preview.find(".file-preview-initial");
+          if (self.uploadAsync && $initThumbs.length) {
+            $h.addCss($initThumbs, $h.SORT_CSS);
+            self._initSortable();
+          }
+          self._raise("filebatchuploadcomplete", [fm.stack, self._getExtraData()]);
+          if (!self.retryErrorUploads || errCount === 0) {
+            fm.clear();
+          }
+          self._setProgress(101);
+          self.ajaxAborted = false;
+          self.uploadInitiated = false;
+        }, self.processDelay);
+      };
+      fnBefore = function (jqXHR) {
+        outData = self._getOutData(formdata, jqXHR);
+        fm.initStats(id);
+        self.fileBatchCompleted = false;
+        if (!isBatch) {
+          self.ajaxAborted = false;
+        }
+        if (self.showPreview) {
+          if (!$thumb.hasClass("file-preview-success")) {
+            self._setThumbStatus($thumb, "Loading");
+            $h.addCss($thumb, "file-uploading");
+          }
+          $btnUpload.attr("disabled", true);
+          $btnDelete.attr("disabled", true);
+        }
+        if (!isBatch) {
+          self.lock();
+        }
+        if (fm.errors.indexOf(id) !== -1) {
+          delete fm.errors[id];
+        }
+        self._raise("filepreupload", [outData, previewId, i, self._getThumbFileId($thumb)]);
+        $.extend(true, params, outData);
+        if (self._abort(params)) {
+          jqXHR.abort();
+
+          if (!isBatch) {
+            self._setThumbStatus($thumb, "New");
+            $thumb.removeClass("file-uploading");
+            $btnUpload.removeAttr("disabled");
+            $btnDelete.removeAttr("disabled");
+          }
+          self._setProgressCancelled();
+        }
+      };
+      fnSuccess = function (data, textStatus, jqXHR) {
+        var pid = self.showPreview && $thumb.attr("id") ? $thumb.attr("id") : previewId;
+        outData = self._getOutData(formdata, jqXHR, data);
+        $.extend(true, params, outData);
+        setTimeout(function () {
+          if ($h.isEmpty(data) || $h.isEmpty(data.error)) {
             if (self.showPreview) {
-                self._getThumbs().each(function () {
-                    var $thumb = $(this), t = self._getLayoutTemplate('stats'), stats,
-                        $indicator = $thumb.find('.file-upload-indicator');
-                    $thumb.removeClass('file-uploading');
-                    if ($indicator.attr('title') === actions.indicatorLoadingTitle) {
-                        self._setThumbStatus($thumb, 'Paused');
-                        stats = t.setTokens({pendingTime: self.msgPaused, uploadSpeed: ''});
-                        self.paused = true;
-                        self._setProgress(pct, $thumb.find('.file-thumb-progress'), pct + '%', stats);
-                    }
-                    if (!self._getThumbFile($thumb)) {
-                        $thumb.find('.kv-file-remove').removeClass('disabled').removeAttr('disabled');
-                    }
-                });
-            }
-            self._setProgress(101, self.$progress, self.msgPaused);
-            return self.$element;
-        },
-        cancel: function () {
-            var self = this, xhr = self.ajaxRequests,
-                rm = self.resumableManager, tm = self.taskManager,
-                pool = rm ? tm.getPool(rm.id) : undefined, len = xhr.length, i;
-            if (self.enableResumableUpload && pool) {
-                pool.cancel().done(function () {
-                    self._setProgressCancelled();
-                });
-                rm.reset();
-                self._raise('fileuploadcancelled', [self.fileManager, rm]);
+              self._setThumbStatus($thumb, "Success");
+              $btnUpload.hide();
+              self._initUploadSuccess(data, $thumb, isBatch);
+              self._setProgress(101, $prog);
+            }
+            self._raise("fileuploaded", [outData, pid, i, self._getThumbFileId($thumb)]);
+            if (!isBatch) {
+              self.fileManager.remove($thumb);
             } else {
-                if (self.ajaxPool) {
-                    self.ajaxPool.cancel();
-                }
-                self._raise('fileuploadcancelled', [self.fileManager]);
-            }
-            self._initAjax();
-            if (len > 0) {
-                for (i = 0; i < len; i += 1) {
-                    self.cancelling = true;
-                    xhr[i].abort();
-                }
-            }
-            self._getThumbs().each(function () {
-                var $thumb = $(this), $prog = $thumb.find('.file-thumb-progress');
-                $thumb.removeClass('file-uploading');
-                self._setProgress(0, $prog);
-                $prog.hide();
-                if (!self._getThumbFile($thumb)) {
-                    $thumb.find('.kv-file-upload').removeClass('disabled').removeAttr('disabled');
-                    $thumb.find('.kv-file-remove').removeClass('disabled').removeAttr('disabled');
-                }
-                self.unlock();
+              updateUploadLog();
+              resolve();
+            }
+          } else {
+            uploadFailed = true;
+            errMsg = self._parseError(op, jqXHR, self.msgUploadError, self.fileManager.getFileName(id));
+            self._showFileError(errMsg, params);
+            self._setPreviewError($thumb, true);
+            if (!self.retryErrorUploads) {
+              $btnUpload.hide();
+            }
+            if (isBatch) {
+              updateUploadLog();
+              resolve();
+            }
+            self._setProgress(101, self._getFrame(pid).find(".file-thumb-progress"), self.msgUploadError);
+          }
+        }, self.processDelay);
+      };
+      fnComplete = function () {
+        if (self.showPreview) {
+          $btnUpload.removeAttr("disabled");
+          $btnDelete.removeAttr("disabled");
+          $thumb.removeClass("file-uploading");
+        }
+        if (!isBatch) {
+          self.unlock(false);
+          self._clearFileInput();
+        } else {
+          chkComplete();
+        }
+        self._initSuccessThumbs();
+      };
+      fnError = function (jqXHR, textStatus, errorThrown) {
+        errMsg = self._parseError(op, jqXHR, errorThrown, self.fileManager.getFileName(id));
+        uploadFailed = true;
+        setTimeout(function () {
+          var $prog;
+          if (isBatch) {
+            updateUploadLog();
+            reject();
+          }
+          self.fileManager.setProgress(id, 100);
+          self._setPreviewError($thumb, true);
+          if (!self.retryErrorUploads) {
+            $btnUpload.hide();
+          }
+          $.extend(true, params, self._getOutData(formdata, jqXHR));
+          self._setProgress(101, self.$progress, self.msgAjaxProgressError.replace("{operation}", op));
+          $prog = self.showPreview && $thumb ? $thumb.find(".file-thumb-progress") : "";
+          self._setProgress(101, $prog, self.msgUploadError);
+          self._showFileError(errMsg, params);
+        }, self.processDelay);
+      };
+      self._setFileData(formdata, fileObj.file, fileName, id);
+      self._setUploadData(formdata, { fileId: id });
+      self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, formdata, id, i);
+    },
+    _setFileData: function (formdata, file, fileName, fileId) {
+      var self = this,
+        preProcess = self.preProcessUpload;
+      if (preProcess && typeof preProcess === "function") {
+        formdata.append(self.uploadFileAttr, preProcess(fileId, file));
+      } else {
+        formdata.append(self.uploadFileAttr, file, fileName);
+      }
+    },
+    _checkBatchPreupload: function (outData, jqXHR) {
+      var self = this,
+        out = self._raise("filebatchpreupload", [outData]);
+      if (out) {
+        return true;
+      }
+      self._abort(outData);
+      if (jqXHR) {
+        jqXHR.abort();
+      }
+      self._getThumbs().each(function () {
+        var $thumb = $(this),
+          $btnUpload = $thumb.find(".kv-file-upload"),
+          $btnDelete = $thumb.find(".kv-file-remove");
+        if ($thumb.hasClass("file-preview-loading")) {
+          self._setThumbStatus($thumb, "New");
+          $thumb.removeClass("file-uploading");
+        }
+        $btnUpload.removeAttr("disabled");
+        $btnDelete.removeAttr("disabled");
+      });
+      self._setProgressCancelled();
+      return false;
+    },
+    _uploadBatch: function () {
+      var self = this,
+        fm = self.fileManager,
+        total = fm.total(),
+        params = {},
+        fnBefore,
+        fnSuccess,
+        fnError,
+        fnComplete,
+        hasPostData = total > 0 || !$.isEmptyObject(self.uploadExtraData),
+        errMsg,
+        setAllUploaded,
+        formdata = new FormData(),
+        op = self.ajaxOperations.uploadBatch;
+      if (total === 0 || !hasPostData || self._abort(params)) {
+        return;
+      }
+      setAllUploaded = function () {
+        self.fileManager.clear();
+        self._clearFileInput();
+      };
+      fnBefore = function (jqXHR) {
+        self.lock();
+        fm.initStats();
+        var outData = self._getOutData(formdata, jqXHR);
+        self.ajaxAborted = false;
+        if (self.showPreview) {
+          self._getThumbs().each(function () {
+            var $thumb = $(this),
+              $btnUpload = $thumb.find(".kv-file-upload"),
+              $btnDelete = $thumb.find(".kv-file-remove");
+            if (!$thumb.hasClass("file-preview-success")) {
+              self._setThumbStatus($thumb, "Loading");
+              $h.addCss($thumb, "file-uploading");
+            }
+            $btnUpload.attr("disabled", true);
+            $btnDelete.attr("disabled", true);
+          });
+        }
+        self._checkBatchPreupload(outData, jqXHR);
+      };
+      fnSuccess = function (data, textStatus, jqXHR) {
+        /** @namespace data.errorkeys */
+        var outData = self._getOutData(formdata, jqXHR, data),
+          key = 0,
+          $thumbs = self._getThumbs(":not(.file-preview-success)"),
+          keys = $h.isEmpty(data) || $h.isEmpty(data.errorkeys) ? [] : data.errorkeys;
+
+        if ($h.isEmpty(data) || $h.isEmpty(data.error)) {
+          self._raise("filebatchuploadsuccess", [outData]);
+          setAllUploaded();
+          if (self.showPreview) {
+            $thumbs.each(function () {
+              var $thumb = $(this);
+              self._setThumbStatus($thumb, "Success");
+              $thumb.removeClass("file-uploading");
+              $thumb.find(".kv-file-upload").hide().removeAttr("disabled");
             });
-            setTimeout(function () {
-                self._setProgressCancelled();
-            }, self.processDelay);
-            return self.$element;
-        },
-        clear: function () {
-            var self = this, cap;
-            if (!self._raise('fileclear')) {
-                return;
-            }
-            self.clearInput = true;
-            self.$btnUpload.removeAttr('disabled');
-            self._getThumbs().find('video,audio,img').each(function () {
-                $h.cleanMemory($(this));
+            self._initUploadSuccess(data);
+          } else {
+            self.reset();
+          }
+          self._setProgress(101);
+        } else {
+          if (self.showPreview) {
+            $thumbs.each(function () {
+              var $thumb = $(this);
+              $thumb.removeClass("file-uploading");
+              $thumb.find(".kv-file-upload").removeAttr("disabled");
+              $thumb.find(".kv-file-remove").removeAttr("disabled");
+              if (keys.length === 0 || $.inArray(key, keys) !== -1) {
+                self._setPreviewError($thumb, true);
+                if (!self.retryErrorUploads) {
+                  $thumb.find(".kv-file-upload").hide();
+                  self.fileManager.remove($thumb);
+                }
+              } else {
+                $thumb.find(".kv-file-upload").hide();
+                self._setThumbStatus($thumb, "Success");
+                self.fileManager.remove($thumb);
+              }
+              if (!$thumb.hasClass("file-preview-error") || self.retryErrorUploads) {
+                key++;
+              }
             });
-            self._clearFileInput();
-            self._resetUpload();
-            self.clearFileStack();
-            self.isDuplicateError = false;
-            self.isPersistentError = false;
-            self._resetErrors(true);
-            if (self._hasInitialPreview()) {
-                self._showFileIcon();
-                self._resetPreview();
-                self._initPreviewActions();
-                self.$container.removeClass('file-input-new');
+            self._initUploadSuccess(data);
+          }
+          errMsg = self._parseError(op, jqXHR, self.msgUploadError);
+          self._showFileError(errMsg, outData, "filebatchuploaderror");
+          self._setProgress(101, self.$progress, self.msgUploadError);
+        }
+      };
+      fnComplete = function () {
+        self.unlock();
+        self._initSuccessThumbs();
+        self._clearFileInput();
+        self._raise("filebatchuploadcomplete", [self.fileManager.stack, self._getExtraData()]);
+      };
+      fnError = function (jqXHR, textStatus, errorThrown) {
+        var outData = self._getOutData(formdata, jqXHR);
+        errMsg = self._parseError(op, jqXHR, errorThrown);
+        self._showFileError(errMsg, outData, "filebatchuploaderror");
+        self.uploadFileCount = total - 1;
+        if (!self.showPreview) {
+          return;
+        }
+        self._getThumbs().each(function () {
+          var $thumb = $(this);
+          $thumb.removeClass("file-uploading");
+          if (self._getThumbFile($thumb)) {
+            self._setPreviewError($thumb);
+          }
+        });
+        self._getThumbs().removeClass("file-uploading");
+        self._getThumbs(" .kv-file-upload").removeAttr("disabled");
+        self._getThumbs(" .kv-file-delete").removeAttr("disabled");
+        self._setProgress(101, self.$progress, self.msgAjaxProgressError.replace("{operation}", op));
+      };
+      var ctr = 0;
+      $.each(self.fileManager.stack, function (key, data) {
+        if (!$h.isEmpty(data.file)) {
+          self._setFileData(formdata, data.file, data.nameFmt || "untitled_" + ctr, key);
+        }
+        ctr++;
+      });
+      self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, formdata);
+    },
+    _uploadExtraOnly: function () {
+      var self = this,
+        params = {},
+        fnBefore,
+        fnSuccess,
+        fnComplete,
+        fnError,
+        formdata = new FormData(),
+        errMsg,
+        op = self.ajaxOperations.uploadExtra;
+      fnBefore = function (jqXHR) {
+        self.lock();
+        var outData = self._getOutData(formdata, jqXHR);
+        self._setProgress(50);
+        params.data = outData;
+        params.xhr = jqXHR;
+        self._checkBatchPreupload(outData, jqXHR);
+      };
+      fnSuccess = function (data, textStatus, jqXHR) {
+        var outData = self._getOutData(formdata, jqXHR, data);
+        if ($h.isEmpty(data) || $h.isEmpty(data.error)) {
+          self._raise("filebatchuploadsuccess", [outData]);
+          self._clearFileInput();
+          self._initUploadSuccess(data);
+          self._setProgress(101);
+        } else {
+          errMsg = self._parseError(op, jqXHR, self.msgUploadError);
+          self._showFileError(errMsg, outData, "filebatchuploaderror");
+        }
+      };
+      fnComplete = function () {
+        self.unlock();
+        self._clearFileInput();
+        self._raise("filebatchuploadcomplete", [self.fileManager.stack, self._getExtraData()]);
+      };
+      fnError = function (jqXHR, textStatus, errorThrown) {
+        var outData = self._getOutData(formdata, jqXHR);
+        errMsg = self._parseError(op, jqXHR, errorThrown);
+        params.data = outData;
+        self._showFileError(errMsg, outData, "filebatchuploaderror");
+        self._setProgress(101, self.$progress, self.msgAjaxProgressError.replace("{operation}", op));
+      };
+      self._ajaxSubmit(fnBefore, fnSuccess, fnComplete, fnError, formdata);
+    },
+    _deleteFileIndex: function ($frame) {
+      var self = this,
+        ind = $frame.attr("data-fileindex"),
+        rev = self.reversePreviewOrder;
+      if (ind.substring(0, 5) === $h.INIT_FLAG) {
+        ind = parseInt(ind.replace($h.INIT_FLAG, ""));
+        self.initialPreview = $h.spliceArray(self.initialPreview, ind, rev);
+        self.initialPreviewConfig = $h.spliceArray(self.initialPreviewConfig, ind, rev);
+        self.initialPreviewThumbTags = $h.spliceArray(self.initialPreviewThumbTags, ind, rev);
+        self.getFrames().each(function () {
+          var $nFrame = $(this),
+            nInd = $nFrame.attr("data-fileindex");
+          if (nInd.substring(0, 5) === $h.INIT_FLAG) {
+            nInd = parseInt(nInd.replace($h.INIT_FLAG, ""));
+            if (nInd > ind) {
+              nInd--;
+              $nFrame.attr("data-fileindex", $h.INIT_FLAG + nInd);
+            }
+          }
+        });
+      }
+    },
+    _resetCaption: function () {
+      var self = this;
+      setTimeout(function () {
+        var cap = "",
+          n,
+          chk = self.previewCache.count(true),
+          len = self.fileManager.count(),
+          file,
+          incomplete = ":not(.file-preview-success):not(.file-preview-error)",
+          cfg,
+          hasThumb = self.showPreview && self.getFrames(incomplete).length;
+        if (len === 0 && chk === 0 && !hasThumb) {
+          self.reset();
+        } else {
+          n = chk + len;
+          if (n > 1) {
+            cap = self._getMsgSelected(n);
+          } else {
+            if (len === 0) {
+              cfg = self.initialPreviewConfig[0];
+              cap = "";
+              if (cfg) {
+                cap = cfg.caption || cfg.filename || "";
+              }
+              if (!cap) {
+                cap = self._getMsgSelected(n);
+              }
             } else {
-                self._getThumbs().each(function () {
-                    self._clearObjects($(this));
-                });
-                if (self.isAjaxUpload) {
-                    self.previewCache.data = {};
-                }
-                self.$preview.html('');
-                cap = (!self.overwriteInitial && self.initialCaption.length > 0) ? self.initialCaption : '';
-                self.$caption.attr('title', '').val(cap);
-                $h.addCss(self.$container, 'file-input-new');
-                self._validateDefaultPreview();
+              file = self.fileManager.getFirstFile();
+              cap = file ? file.nameFmt : "_";
             }
-            if (self.$container.find($h.FRAMES).length === 0) {
-                if (!self._initCaption()) {
-                    self.$captionContainer.removeClass('icon-visible');
+          }
+          self._setCaption(cap);
+        }
+      }, self.processDelay);
+    },
+    _handleRotation: function ($el, $content, angle) {
+      var self = this,
+        css,
+        newCss,
+        addCss = "",
+        scale = 1,
+        elContent = $content[0],
+        quadrant,
+        transform,
+        h,
+        w,
+        wNew,
+        $parent = $content.parent(),
+        hParent,
+        wParent,
+        $body = $("body"),
+        bodyExists = !!$body.length;
+      if (bodyExists) {
+        $body.addClass("kv-overflow-hidden");
+      }
+      if (!$content.length || $el.hasClass("hide-rotate")) {
+        if (bodyExists) {
+          $body.removeClass("kv-overflow-hidden");
+        }
+        return;
+      }
+      transform = $content.css("transform");
+      if (transform) {
+        $content.css("transform", "none");
+      }
+      if (transform) {
+        $content.css("transform", transform);
+      }
+      angle = angle || 0;
+      quadrant = angle % 360;
+      css = "rotate(" + angle + "deg)";
+      newCss = "rotate(" + quadrant + "deg)";
+      addCss = "";
+      if (quadrant === 90 || quadrant === 270) {
+        w = elContent.naturalWidth || $content.outerWidth() || 0;
+        h = elContent.naturalHeight || $content.outerHeight() || 0;
+        scale = w > h && w != 0 ? (h / w).toFixed(2) : 1;
+        if ($parent.length) {
+          hParent = $parent.height();
+          wParent = $parent.width();
+          wNew = Math.min(w, wParent);
+          if (hParent > scale * wNew) {
+            scale = wNew > hParent && wNew != 0 ? (hParent / wNew).toFixed(2) : 1;
+          }
+        }
+        if (scale !== 1) {
+          addCss = " scale(" + scale + ")";
+        }
+      }
+      $content.addClass("rotate-animate").css("transform", css + addCss);
+      setTimeout(function () {
+        $content.removeClass("rotate-animate").css("transform", newCss + addCss);
+        if (bodyExists) {
+          $body.removeClass("kv-overflow-hidden");
+        }
+        $el.data("angle", quadrant);
+      }, self.fadeDelay);
+    },
+    _initRotateButton: function () {
+      var self = this;
+      self.getFrames(".rotatable .kv-file-rotate").each(function () {
+        var $el = $(this),
+          $frame = $el.closest($h.FRAMES),
+          $content = $frame.find(".kv-file-content > :first-child");
+        self._handler($el, "click", function () {
+          var angle = ($frame.data("angle") || 0) + 90;
+          self._handleRotation($frame, $content, angle);
+        });
+      });
+    },
+    _initRotateZoom: function ($frame, $content) {
+      var self = this,
+        $modal = self.$modal,
+        $rotate = $modal.find(".btn-kv-rotate"),
+        angle = $frame.data("angle");
+      $modal.data("angle", angle);
+      if ($rotate.length) {
+        $rotate.off("click");
+        if ($modal.hasClass("rotatable")) {
+          $rotate.on("click", function () {
+            angle = ($modal.data("angle") || 0) + 90;
+            $modal.data("angle", angle);
+            self._handleRotation($modal, $modal.find(".file-zoom-detail"), angle);
+            self._handleRotation($frame, $content, angle);
+            if ($frame.hasClass("hide-rotate")) {
+              $frame.data("angle", angle);
+            }
+          });
+        }
+      }
+    },
+    _initFileActions: function () {
+      var self = this;
+      if (!self.showPreview) {
+        return;
+      }
+      self._initZoomButton();
+      self._initRotateButton();
+      self.getFrames(" .kv-file-remove").each(function () {
+        var $el = $(this),
+          $frame = $el.closest($h.FRAMES),
+          hasError,
+          id = $frame.attr("id"),
+          ind = $frame.attr("data-fileindex"),
+          status,
+          fm = self.fileManager;
+        self._handler($el, "click", function () {
+          status = self._raise("filepreremove", [id, ind]);
+          if (status === false || !self._validateMinCount()) {
+            return false;
+          }
+          hasError = $frame.hasClass("file-preview-error");
+          $h.cleanMemory($frame);
+          $frame.fadeOut("slow", function () {
+            self.fileManager.remove($frame);
+            self._clearObjects($frame);
+            $frame.remove();
+            if (id && hasError) {
+              self.$errorContainer.find('li[data-thumb-id="' + id + '"]').fadeOut("fast", function () {
+                $(this).remove();
+                if (!self._errorsExist()) {
+                  self._resetErrors();
                 }
+              });
             }
-            self._hideFileIcon();
-            if (self.focusCaptionOnClear) {
-                self.$captionContainer.focus();
+            self._clearFileInput();
+            self._resetCaption();
+            self._raise("fileremoved", [id, ind]);
+          });
+        });
+      });
+      self.getFrames(" .kv-file-upload").each(function () {
+        var $el = $(this);
+        self._handler($el, "click", function () {
+          var $frame = $el.closest($h.FRAMES),
+            fileId = self._getThumbFileId($frame);
+          self._hideProgress();
+          if ($frame.hasClass("file-preview-error") && !self.retryErrorUploads) {
+            return;
+          }
+          self._uploadSingle(self.fileManager.getIndex(fileId), fileId, false);
+        });
+      });
+    },
+    _initPreviewActions: function () {
+      var self = this,
+        $preview = self.$preview,
+        deleteExtraData = self.deleteExtraData || {},
+        btnRemove = $h.FRAMES + " .kv-file-remove",
+        settings = self.fileActionSettings,
+        origClass = settings.removeClass,
+        errClass = settings.removeErrorClass,
+        resetProgress = function () {
+          var hasFiles = self.isAjaxUpload ? self.previewCache.count(true) : self._inputFileCount();
+          if (!self.getFrames().length && !hasFiles) {
+            self._setCaption("");
+            self.reset();
+            self.initialCaption = "";
+          } else {
+            self._resetCaption();
+          }
+        };
+      self._initZoomButton();
+      self._initRotateButton();
+      $preview.find(btnRemove).each(function () {
+        var $el = $(this),
+          vUrl = $el.data("url") || self.deleteUrl,
+          vKey = $el.data("key"),
+          errMsg,
+          fnBefore,
+          fnSuccess,
+          fnError,
+          op = self.ajaxOperations.deleteThumb;
+        if ($h.isEmpty(vUrl) || vKey === undefined) {
+          return;
+        }
+        if (typeof vUrl === "function") {
+          vUrl = vUrl();
+        }
+        var $frame = $el.closest($h.FRAMES),
+          cache = self.previewCache.data,
+          settings,
+          params,
+          config,
+          fileName,
+          extraData,
+          index = $frame.attr("data-fileindex");
+        index = parseInt(index.replace($h.INIT_FLAG, ""));
+        config = $h.isEmpty(cache.config) && $h.isEmpty(cache.config[index]) ? null : cache.config[index];
+        extraData = $h.isEmpty(config) || $h.isEmpty(config.extra) ? deleteExtraData : config.extra;
+        fileName = (config && (config.filename || config.caption)) || "";
+        if (typeof extraData === "function") {
+          extraData = extraData();
+        }
+        params = { id: $el.attr("id"), key: vKey, extra: extraData };
+        fnBefore = function (jqXHR) {
+          self.ajaxAborted = false;
+          self._raise("filepredelete", [vKey, jqXHR, extraData]);
+          if (self._abort()) {
+            jqXHR.abort();
+          } else {
+            $el.removeClass(errClass);
+            $h.addCss($frame, "file-uploading");
+            $h.addCss($el, "disabled " + origClass);
+          }
+        };
+        fnSuccess = function (data, textStatus, jqXHR) {
+          var n, cap;
+          if (!$h.isEmpty(data) && !$h.isEmpty(data.error)) {
+            params.jqXHR = jqXHR;
+            params.response = data;
+            errMsg = self._parseError(op, jqXHR, self.msgDeleteError, fileName);
+            self._showFileError(errMsg, params, "filedeleteerror");
+            $frame.removeClass("file-uploading");
+            $el.removeClass("disabled " + origClass).addClass(errClass);
+            resetProgress();
+            return;
+          }
+          $frame.removeClass("file-uploading").addClass("file-deleted");
+          $frame.fadeOut("slow", function () {
+            index = parseInt($frame.attr("data-fileindex").replace($h.INIT_FLAG, ""));
+            self.previewCache.unset(index);
+            self._deleteFileIndex($frame);
+            n = self.previewCache.count(true);
+            cap = n > 0 ? self._getMsgSelected(n) : "";
+            self._setCaption(cap);
+            self._raise("filedeleted", [vKey, jqXHR, extraData]);
+            self._clearObjects($frame);
+            $frame.remove();
+            resetProgress();
+          });
+        };
+        fnError = function (jqXHR, textStatus, errorThrown) {
+          var errMsg = self._parseError(op, jqXHR, errorThrown, fileName);
+          params.jqXHR = jqXHR;
+          params.response = {};
+          self._showFileError(errMsg, params, "filedeleteerror");
+          $frame.removeClass("file-uploading");
+          $el.removeClass("disabled " + origClass).addClass(errClass);
+          resetProgress();
+        };
+        self._initAjaxSettings();
+        self._mergeAjaxCallback("beforeSend", fnBefore, "delete");
+        self._mergeAjaxCallback("success", fnSuccess, "delete");
+        self._mergeAjaxCallback("error", fnError, "delete");
+        settings = $.extend(
+          true,
+          {},
+          {
+            url: self._encodeURI(vUrl),
+            type: "POST",
+            dataType: "json",
+            data: $.extend(true, {}, { key: vKey }, extraData),
+          },
+          self._ajaxDeleteSettings
+        );
+        self._handler($el, "click", function () {
+          if (!self._validateMinCount()) {
+            return false;
+          }
+          self.ajaxAborted = false;
+          self._raise("filebeforedelete", [vKey, extraData]);
+          if (self.ajaxAborted instanceof Promise) {
+            self.ajaxAborted.then(function (result) {
+              if (!result) {
+                $.ajax(settings);
+              }
+            });
+          } else {
+            if (!self.ajaxAborted) {
+              $.ajax(settings);
             }
-            self._setFileDropZoneTitle();
-            self._raise('filecleared');
-            return self.$element;
-        },
-        reset: function () {
-            var self = this;
-            if (!self._raise('filereset')) {
-                return;
+          }
+        });
+      });
+    },
+    _hideFileIcon: function () {
+      var self = this;
+      if (self.overwriteInitial) {
+        self.$captionContainer.removeClass("icon-visible");
+      }
+    },
+    _showFileIcon: function () {
+      var self = this;
+      $h.addCss(self.$captionContainer, "icon-visible");
+    },
+    _getSize: function (bytes, skipTemplate, sizeUnits) {
+      var self = this,
+        size = parseFloat(bytes),
+        i = 0,
+        factor = self.bytesToKB,
+        func = self.fileSizeGetter,
+        out,
+        sizeHuman = size,
+        newSize;
+      if (!$h.isNumeric(bytes) || !$h.isNumeric(size)) {
+        return "";
+      }
+      if (typeof func === "function") {
+        out = func(size);
+      } else {
+        if (!sizeUnits) {
+          sizeUnits = self.sizeUnits;
+        }
+        if (size > 0) {
+          while (sizeHuman >= factor) {
+            sizeHuman /= factor;
+            ++i;
+          }
+          if (!sizeUnits[i]) {
+            sizeHuman = size;
+            i = 0;
+          }
+        }
+        newSize = sizeHuman.toFixed(2);
+        if (newSize == sizeHuman) {
+          newSize = sizeHuman;
+        }
+        out = newSize + " " + sizeUnits[i];
+      }
+      return skipTemplate ? out : self._getLayoutTemplate("size").replace("{sizeText}", out);
+    },
+    _getFileType: function (ftype) {
+      var self = this;
+      return self.mimeTypeAliases[ftype] || ftype;
+    },
+    _generatePreviewTemplate: function (
+      cat,
+      data,
+      fname,
+      ftype,
+      previewId,
+      fileId,
+      isError,
+      size,
+      fnameUpdated,
+      frameClass,
+      foot,
+      ind,
+      templ,
+      attrs,
+      zoomData
+    ) {
+      var self = this,
+        caption = self.slug(fname),
+        prevContent,
+        zoomContent = "",
+        styleAttribs = "",
+        filename = fnameUpdated || fname,
+        isIconic,
+        ext = filename.split(".").pop().toLowerCase(),
+        screenW = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,
+        config,
+        title = caption,
+        alt = caption,
+        typeCss = "type-default",
+        getContent,
+        addFrameCss,
+        footer = foot || self._renderFileFooter(cat, caption, size, "auto", isError),
+        isRotatable,
+        alwaysPreview = $.inArray(ext, self.alwaysPreviewFileExtensions) !== -1,
+        forcePrevIcon = self.preferIconicPreview && !alwaysPreview,
+        forceZoomIcon = self.preferIconicZoomPreview && !alwaysPreview,
+        newCat = forcePrevIcon ? "other" : cat;
+      config =
+        screenW < 400
+          ? self.previewSettingsSmall[newCat] || self.defaults.previewSettingsSmall[newCat]
+          : self.previewSettings[newCat] || self.defaults.previewSettings[newCat];
+      if (config) {
+        $.each(config, function (key, val) {
+          styleAttribs += key + ":" + val + ";";
+        });
+      }
+      getContent = function (vCat, vData, zoom, frameCss, vZoomData) {
+        var id = zoom ? "zoom-" + previewId : previewId,
+          tmplt = self._getPreviewTemplate(vCat),
+          css = (frameClass || "") + " " + frameCss,
+          tokens;
+        if (self.frameClass) {
+          css = self.frameClass + " " + css;
+        }
+        if (zoom) {
+          css = css.replace(" " + $h.SORT_CSS, "");
+        }
+        tmplt = self._parseFilePreviewIcon(tmplt, fname);
+        if (cat === "object" && !ftype) {
+          $.each(self.defaults.fileTypeSettings, function (key, func) {
+            if (key === "object" || key === "other") {
+              return;
             }
-            self.lastProgress = 0;
-            self._resetPreview();
-            self.$container.find('.fileinput-filename').text('');
-            $h.addCss(self.$container, 'file-input-new');
-            if (self.getFrames().length) {
-                self.$container.removeClass('file-input-new');
+            if (func(fname, ftype)) {
+              typeCss = "type-" + key;
             }
+          });
+        }
+        if (!$h.isEmpty(attrs)) {
+          if (attrs.title !== undefined && attrs.title !== null) {
+            title = attrs.title;
+          }
+          if (attrs.alt !== undefined && attrs.alt !== null) {
+            alt = title = attrs.alt;
+          }
+        }
+        tokens = {
+          previewId: id,
+          caption: caption,
+          title: title,
+          alt: alt,
+          frameClass: css,
+          type: self._getFileType(ftype),
+          fileindex: ind,
+          fileid: fileId || "",
+          filename: filename,
+          typeCss: typeCss,
+          footer: footer,
+          data: vData,
+//          data: zoom && vZoomData ? self.zoomPlaceholder + "{zoomData}" : vData,
+          template: templ || cat,
+          style: styleAttribs ? 'style="' + styleAttribs + '"' : "",
+          zoomData: vZoomData ? encodeURIComponent(vZoomData) : "",
+        };
+        if (zoom) {
+          tokens.zoomCache = "";
+          tokens.zoomData = "{zoomData}";
+        }
+        return tmplt.setTokens(tokens);
+      };
+      ind = ind || previewId.slice(previewId.lastIndexOf("-") + 1);
+      isRotatable = self.fileActionSettings.showRotate && $.inArray(ext, self.rotatableFileExtensions) !== -1;
+      if (self.fileActionSettings.showZoom) {
+        addFrameCss = "kv-zoom-thumb";
+        if (isRotatable) {
+          addFrameCss += " rotatable" + (forceZoomIcon ? " hide-rotate" : "");
+        }
+        zoomContent = getContent(forceZoomIcon ? "other" : cat, data, true, addFrameCss, zoomData);
+      }
+      zoomContent = "\n" + self._getLayoutTemplate("zoomCache").replace("{zoomContent}", zoomContent);
+      if (typeof self.sanitizeZoomCache === "function") {
+        zoomContent = self.sanitizeZoomCache(zoomContent);
+      }
+      addFrameCss = "kv-preview-thumb";
+      if (isRotatable) {
+        isIconic = forcePrevIcon || self.hideThumbnailContent || !!self.previewFileIconSettings[ext];
+        addFrameCss += " rotatable" + (isIconic ? " hide-rotate" : "");
+      }
+      prevContent = getContent(forcePrevIcon ? "other" : cat, data, false, addFrameCss, zoomData);
+      return prevContent.setTokens({ zoomCache: zoomContent });
+    },
+    _addToPreview: function ($preview, content) {
+      var self = this,
+        $el;
+      content = $h.cspBuffer.stash(content);
+      $el = self.reversePreviewOrder ? $preview.prepend(content) : $preview.append(content);
+      $h.cspBuffer.apply($preview);
+      return $el;
+    },
+    _previewDefault: function (file, isDisabled) {
+      var self = this,
+        $preview = self.$preview;
+      if (!self.showPreview) {
+        return;
+      }
+      var fname = $h.getFileName(file),
+        ftype = file ? file.type : "",
+        content,
+        size = file.size || 0,
+        caption = self._getFileName(file, ""),
+        isError = isDisabled === true && !self.isAjaxUpload,
+        data = $h.createObjectURL(file),
+        fileId = self.fileManager.getId(file),
+        previewId = self._getThumbId(fileId);
+      self._clearDefaultPreview();
+      content = self._generatePreviewTemplate("other", data, fname, ftype, previewId, fileId, isError, size);
+      self._addToPreview($preview, content);
+      self._setThumbAttr(previewId, caption, size);
+      if (isDisabled === true && self.isAjaxUpload) {
+        self._setThumbStatus(self._getFrame(previewId), "Error");
+      }
+    },
+    _previewFile: function (i, file, theFile, data, fileInfo) {
+      if (!this.showPreview) {
+        return;
+      }
+      var self = this,
+        fname = $h.getFileName(file),
+        ftype = fileInfo.type,
+        content,
+        caption = fileInfo.name,
+        cat = self._parseFileType(ftype, fname),
+        $preview = self.$preview,
+        fsize = file.size || 0,
+        iData = cat === "image" ? theFile.target.result : data,
+        fm = self.fileManager,
+        fileId = fm.getId(file),
+        previewId = self._getThumbId(fileId);
+      /** @namespace window.DOMPurify */
+      content = self._generatePreviewTemplate(
+        cat,
+        iData,
+        fname,
+        ftype,
+        previewId,
+        fileId,
+        false,
+        fsize,
+        fileInfo.filename
+      );
+      self._clearDefaultPreview();
+      self._addToPreview($preview, content);
+      var $thumb = self._getFrame(previewId);
+      self._validateImageOrientation($thumb.find("img"), file, previewId, fileId, caption, ftype, fsize, iData);
+      self._setThumbAttr(previewId, caption, fsize);
+      self._initSortable();
+    },
+    _setThumbAttr: function (id, caption, size, description) {
+      var self = this,
+        $frame = self._getFrame(id);
+      if ($frame.length) {
+        size = size && size > 0 ? self._getSize(size) : "";
+        $frame.data({ caption: caption, size: size, description: description || "" });
+      }
+    },
+    _setInitThumbAttr: function () {
+      var self = this,
+        data = self.previewCache.data,
+        len = self.previewCache.count(true),
+        config,
+        caption,
+        size,
+        description,
+        previewId;
+      if (len === 0) {
+        return;
+      }
+      for (var i = 0; i < len; i++) {
+        config = data.config[i];
+        previewId = self.previewInitId + "-" + $h.INIT_FLAG + i;
+        caption = $h.ifSet("caption", config, $h.ifSet("filename", config));
+        size = $h.ifSet("size", config);
+        description = $h.ifSet("description", config);
+        self._setThumbAttr(previewId, caption, size, description);
+      }
+    },
+    _slugDefault: function (text) {
+      // noinspection RegExpRedundantEscape
+      return $h.isEmpty(text, true) ? "" : String(text).replace(/[\[\]\/\{}:;#%=\(\)\*\+\?\\\^\$\|<>&"']/g, "_");
+    },
+    _updateFileDetails: function (numFiles) {
+      var self = this,
+        $el = self.$element,
+        label,
+        n,
+        log,
+        nFiles,
+        file,
+        name = ($h.isIE(9) && $h.findFileName($el.val())) || ($el[0].files[0] && $el[0].files[0].name);
+      if (!name && self.fileManager.count() > 0) {
+        file = self.fileManager.getFirstFile();
+        label = file.nameFmt;
+      } else {
+        label = name ? self.slug(name) : "_";
+      }
+      n = self.isAjaxUpload ? self.fileManager.count() : numFiles;
+      nFiles = self.previewCache.count(true) + n;
+      log = n === 1 ? label : self._getMsgSelected(nFiles, !self.isAjaxUpload && !self.isError);
+      if (self.isError) {
+        self.$previewContainer.removeClass("file-thumb-loading");
+        self._initCapStatus();
+        self.$previewStatus.html("");
+        self.$captionContainer.removeClass("icon-visible");
+      } else {
+        self._showFileIcon();
+      }
+      self._setCaption(log, self.isError);
+      self.$container.removeClass("file-input-new file-input-ajax-new");
+      self._raise("fileselect", [numFiles, label]);
+      if (self.previewCache.count(true)) {
+        self._initPreviewActions();
+      }
+    },
+    _setThumbStatus: function ($thumb, status) {
+      var self = this;
+      if (!self.showPreview) {
+        return;
+      }
+      var icon = "indicator" + status,
+        msg = icon + "Title",
+        css = "file-preview-" + status.toLowerCase(),
+        $indicator = $thumb.find(".file-upload-indicator"),
+        config = self.fileActionSettings;
+      $thumb.removeClass("file-preview-success file-preview-error file-preview-paused file-preview-loading");
+      if (status === "Success") {
+        $thumb.find(".file-drag-handle").remove();
+      }
+      $h.setHtml($indicator, config[icon]);
+      $indicator.attr("title", config[msg]);
+      $thumb.addClass(css);
+      if (status === "Error" && !self.retryErrorUploads) {
+        $thumb.find(".kv-file-upload").attr("disabled", true);
+      }
+    },
+    _setProgressCancelled: function () {
+      var self = this;
+      self._setProgress(101, self.$progress, self.msgCancelled);
+    },
+    _setProgress: function (p, $el, error, stats) {
+      var self = this;
+      $el = $el || self.$progress;
+      if (!$el.length) {
+        return;
+      }
+      var pct = Math.min(p, 100),
+        out,
+        pctLimit = self.progressUploadThreshold,
+        t = p <= 100 ? self.progressTemplate : self.progressCompleteTemplate,
+        template =
+          pct < 100
+            ? self.progressTemplate
+            : error
+            ? self.paused
+              ? self.progressPauseTemplate
+              : self.progressErrorTemplate
+            : t;
+      if (p >= 100) {
+        stats = "";
+      }
+      if (!$h.isEmpty(template)) {
+        if (pctLimit && pct > pctLimit && p <= 100) {
+          out = template.setTokens({ percent: pctLimit, status: self.msgUploadThreshold });
+        } else {
+          out = template.setTokens({ percent: pct, status: p > 100 ? self.msgUploadEnd : pct + "%" });
+        }
+        stats = stats || "";
+        out = out.setTokens({ stats: stats });
+        $h.setHtml($el, out);
+        if (error) {
+          $h.setHtml($el.find('[role="progressbar"]'), error);
+        }
+      }
+    },
+    _hasFiles: function () {
+      var el = this.$element[0];
+      return !!(el && el.files && el.files.length);
+    },
+    _setFileDropZoneTitle: function () {
+      var self = this,
+        $zone = self.$container.find(".file-drop-zone"),
+        title = self.dropZoneTitle,
+        strFiles;
+      if (self.isClickable) {
+        strFiles = $h.isEmpty(self.$element.attr("multiple")) ? self.fileSingle : self.filePlural;
+        title += self.dropZoneClickTitle.replace("{files}", strFiles);
+      }
+      $zone.find("." + self.dropZoneTitleClass).remove();
+      if (
+        !self.showPreview ||
+        $zone.length === 0 ||
+        self.fileManager.count() > 0 ||
+        !self.dropZoneEnabled ||
+        self.previewCache.count() > 0 ||
+        (!self.isAjaxUpload && self._hasFiles())
+      ) {
+        return;
+      }
+      if ($zone.find($h.FRAMES).length === 0 && $h.isEmpty(self.defaultPreviewContent)) {
+        $zone.prepend($h.cspBuffer.stash('<div class="' + self.dropZoneTitleClass + '">' + title + "</div>"));
+        $h.cspBuffer.apply($zone);
+      }
+      self.$container.removeClass("file-input-new");
+      if (self.isAjaxUpload) {
+        $h.addCss(self.$container, "file-input-ajax-new");
+      }
+    },
+    _getStats: function (stats) {
+      var self = this,
+        pendingTime,
+        t;
+      if (!self.showUploadStats || !stats || !stats.bitrate) {
+        return "";
+      }
+      t = self._getLayoutTemplate("stats");
+      pendingTime =
+        !stats.elapsed || !stats.bps
+          ? self.msgCalculatingTime
+          : self.msgPendingTime.setTokens({ time: $h.getElapsed(Math.ceil(stats.pendingBytes / stats.bps)) });
+
+      return t.setTokens({
+        uploadSpeed: stats.bitrate,
+        pendingTime: pendingTime,
+      });
+    },
+    _setResumableProgress: function (pct, stats, $thumb) {
+      var self = this,
+        rm = self.resumableManager,
+        obj = $thumb ? rm : self,
+        $prog = $thumb ? $thumb.find(".file-thumb-progress") : null;
+      if (obj.lastProgress === 0) {
+        obj.lastProgress = pct;
+      }
+      if (pct < obj.lastProgress) {
+        pct = obj.lastProgress;
+      }
+      self._setProgress(pct, $prog, null, self._getStats(stats));
+      obj.lastProgress = pct;
+    },
+    _toggleResumableProgress: function (template, message) {
+      var self = this,
+        $progress = self.$progress;
+      if ($progress && $progress.length) {
+        $h.setHtml(
+          $progress,
+          template.setTokens({
+            percent: 101,
+            status: message,
+            stats: "",
+          })
+        );
+      }
+    },
+    _setFileUploadStats: function (id, pct, stats) {
+      var self = this,
+        $prog = self.$progress;
+      if (!self.showPreview && (!$prog || !$prog.length)) {
+        return;
+      }
+      var fm = self.fileManager,
+        rm = self.resumableManager,
+        $thumb = fm.getThumb(id),
+        pctTot,
+        totUpSize = 0,
+        totSize = fm.getTotalSize(),
+        totStats = $.extend(true, {}, stats);
+      if (self.enableResumableUpload) {
+        var loaded = stats.loaded,
+          currUplSize = rm.getUploadedSize(),
+          currTotSize = rm.file.size,
+          totLoaded;
+        loaded += currUplSize;
+        totLoaded = fm.uploadedSize + loaded;
+        pct = $h.round((100 * loaded) / currTotSize);
+        stats.pendingBytes = currTotSize - currUplSize;
+        self._setResumableProgress(pct, stats, $thumb);
+        pctTot = Math.floor((100 * totLoaded) / totSize);
+        totStats.pendingBytes = totSize - totLoaded;
+        self._setResumableProgress(pctTot, totStats);
+      } else {
+        fm.setProgress(id, pct);
+        $prog = $thumb && $thumb.length ? $thumb.find(".file-thumb-progress") : null;
+        self._setProgress(pct, $prog, null, self._getStats(stats));
+        $.each(fm.stats, function (id, cfg) {
+          totUpSize += cfg.loaded;
+        });
+        totStats.pendingBytes = totSize - totUpSize;
+        pctTot = $h.round((totUpSize / totSize) * 100);
+        self._setProgress(pctTot, null, null, self._getStats(totStats));
+      }
+    },
+    _validateMinCount: function () {
+      var self = this,
+        len = self.isAjaxUpload ? self.fileManager.count() : self._inputFileCount();
+      if (self.validateInitialCount && self.minFileCount > 0 && self._getFileCount(len - 1) < self.minFileCount) {
+        self._noFilesError({});
+        return false;
+      }
+      return true;
+    },
+    _getFileCount: function (fileCount, includeInitial) {
+      var self = this,
+        addCount = 0;
+      if (includeInitial === undefined) {
+        includeInitial = self.validateInitialCount && !self.overwriteInitial;
+      }
+      if (includeInitial) {
+        addCount = self.previewCache.count(true);
+        fileCount += addCount;
+      }
+      return fileCount;
+    },
+    _getFileId: function (file) {
+      return $h.getFileId(file, this.generateFileId);
+    },
+    _getFileName: function (file, defaultValue) {
+      var self = this,
+        fileName = $h.getFileName(file);
+      return fileName ? self.slug(fileName) : defaultValue;
+    },
+    _getFileNames: function (skipNull) {
+      var self = this;
+      return self.filenames.filter(function (n) {
+        return skipNull ? n !== undefined : n !== undefined && n !== null;
+      });
+    },
+    _setPreviewError: function ($thumb, keepFile) {
+      var self = this,
+        removeFrame = self.removeFromPreviewOnError && !self.retryErrorUploads;
+      if (!keepFile || removeFrame) {
+        self.fileManager.remove($thumb);
+      }
+      if (!self.showPreview) {
+        return;
+      }
+      if (removeFrame) {
+        $thumb.remove();
+        return;
+      } else {
+        self._setThumbStatus($thumb, "Error");
+      }
+      self._refreshUploadButton($thumb);
+    },
+    _refreshUploadButton: function ($thumb) {
+      var self = this,
+        $btn = $thumb.find(".kv-file-upload"),
+        cfg = self.fileActionSettings,
+        icon = cfg.uploadIcon,
+        title = cfg.uploadTitle;
+      if (!$btn.length) {
+        return;
+      }
+      if (self.retryErrorUploads) {
+        icon = cfg.uploadRetryIcon;
+        title = cfg.uploadRetryTitle;
+      }
+      $btn.attr("title", title);
+      $h.setHtml($btn, icon);
+    },
+    _isValidSize: function (size, type, $image, $thumb, filename, params) {
+      var self = this,
+        msg,
+        dim,
+        $img,
+        tag = size === "Small" ? "min" : "max",
+        limit = self[tag + "Image" + type];
+      if ($h.isEmpty(limit) || !$image.length) {
+        return true;
+      }
+      $img = $image[0];
+      dim = type === "Width" ? $img.naturalWidth || $img.width : $img.naturalHeight || $img.height;
+      if (size === "Small" ? dim >= limit : dim <= limit) {
+        return true;
+      }
+      msg = self["msgImage" + type + size] || 'Image "{name}" has a size validation error (limit "{size}").';
+      self._showFileError(msg.setTokens({ name: filename, size: limit, dimension: dim }), params);
+      self._setPreviewError($thumb);
+      self.fileManager.remove($thumb);
+      self._clearFileInput();
+      return false;
+    },
+    _getExifObj: function (data) {
+      var self = this,
+        exifObj,
+        error = $h.logMessages.exifWarning;
+      if (data.slice(0, 23) !== "data:image/jpeg;base64," && data.slice(0, 22) !== "data:image/jpg;base64,") {
+        exifObj = null;
+        return;
+      }
+      try {
+        exifObj = window.piexif ? window.piexif.load(data) : null;
+      } catch (err) {
+        exifObj = null;
+        error = (err && err.message) || "";
+      }
+      if (!exifObj && self.showExifErrorLog) {
+        self._log($h.logMessages.badExifParser, { details: error });
+      }
+      return exifObj;
+    },
+    setImageOrientation: function ($img, $zoomImg, value, $thumb) {
+      var self = this,
+        invalidImg = !$img || !$img.length,
+        invalidZoomImg = !$zoomImg || !$zoomImg.length,
+        $mark,
+        isHidden = false,
+        $div,
+        zoomOnly = invalidImg && $thumb && $thumb.attr("data-template") === "image",
+        ev;
+      if (invalidImg && invalidZoomImg) {
+        return;
+      }
+      ev = "load.fileinputimageorient";
+      if (zoomOnly) {
+        $img = $zoomImg;
+        $zoomImg = null;
+        $img.css(self.previewSettings.image);
+        $div = $h.createDiv().appendTo($thumb.find(".kv-file-content"));
+        $mark = $(document.createElement("span")).insertBefore($img);
+        $img.css("visibility", "hidden").removeClass("file-zoom-detail").appendTo($div);
+      } else {
+        isHidden = !$img.is(":visible");
+      }
+      $img.off(ev).on(ev, function () {
+        if (isHidden) {
+          self.$preview.removeClass("hide-content");
+          $thumb.find(".kv-file-content").css("visibility", "hidden");
+        }
+        var img = $img[0],
+          zoomImg = $zoomImg && $zoomImg.length ? $zoomImg[0] : null,
+          h = img.offsetHeight,
+          w = img.offsetWidth,
+          r = $h.getRotation(value);
+        if (isHidden) {
+          $thumb.find(".kv-file-content").css("visibility", "visible");
+          self.$preview.addClass("hide-content");
+        }
+        $img.data("orientation", value);
+        if (zoomImg) {
+          $zoomImg.data("orientation", value);
+        }
+        if (value < 5) {
+          $h.setTransform(img, r);
+          $h.setTransform(zoomImg, r);
+          return;
+        }
+        var offsetAngle = Math.atan(w / h),
+          origFactor = Math.sqrt(Math.pow(h, 2) + Math.pow(w, 2)),
+          scale = !origFactor ? 1 : h / Math.cos(Math.PI / 2 + offsetAngle) / origFactor,
+          s = " scale(" + Math.abs(scale) + ")";
+        $h.setTransform(img, r + s);
+        $h.setTransform(zoomImg, r + s);
+        if (zoomOnly) {
+          $img.css("visibility", "visible").insertAfter($mark).addClass("file-zoom-detail");
+          $mark.remove();
+          $div.remove();
+        }
+      });
+    },
+    _validateImageOrientation: function ($img, file, previewId, fileId, caption, ftype, fsize, iData) {
+      var self = this,
+        exifObj = null,
+        value,
+        autoOrientImage = self.autoOrientImage,
+        selector;
+      exifObj = self._getExifObj(iData);
+      if (self.canOrientImage) {
+        $img.css("image-orientation", autoOrientImage ? "from-image" : "none");
+        self._validateImage(previewId, fileId, caption, ftype, fsize, iData, exifObj);
+        return;
+      }
+      selector = $h.getZoomSelector(previewId, " img");
+      value = exifObj ? exifObj["0th"][piexif.ImageIFD.Orientation] : null; // jshint ignore:line
+      if (!value) {
+        self._validateImage(previewId, fileId, caption, ftype, fsize, iData, exifObj);
+        return;
+      }
+      self.setImageOrientation($img, $(selector), value, self._getFrame(previewId));
+      self._raise("fileimageoriented", { $img: $img, file: file });
+      self._validateImage(previewId, fileId, caption, ftype, fsize, iData, exifObj);
+    },
+    _validateImage: function (previewId, fileId, fname, ftype, fsize, iData, exifObj) {
+      var self = this,
+        $preview = self.$preview,
+        params,
+        w1,
+        w2,
+        $thumb = self._getFrame(previewId),
+        i = $thumb.attr("data-fileindex"),
+        $img = $thumb.find("img");
+      fname = fname || "Untitled";
+      $img
+        .one("load", function () {
+          if ($img.data("validated")) {
+            return;
+          }
+          $img.data("validated", true);
+          w1 = $thumb.width();
+          w2 = $preview.width();
+          if (w1 > w2) {
+            $img.css("width", "100%");
+          }
+          params = { ind: i, id: previewId, fileId: fileId };
+          setTimeout(function () {
+            var isValidWidth, isValidHeight;
+            isValidWidth = self._isValidSize("Small", "Width", $img, $thumb, fname, params);
+            isValidHeight = self._isValidSize("Small", "Height", $img, $thumb, fname, params);
+            if (!self.resizeImage) {
+              isValidWidth = isValidWidth && self._isValidSize("Large", "Width", $img, $thumb, fname, params);
+              isValidHeight = isValidHeight && self._isValidSize("Large", "Height", $img, $thumb, fname, params);
+            }
+            self._raise("fileimageloaded", [previewId]);
+            $thumb.data("exif", exifObj);
+            if (isValidWidth && isValidHeight) {
+              self.fileManager.addImage(fileId, {
+                ind: i,
+                img: $img,
+                thumb: $thumb,
+                pid: previewId,
+                typ: ftype,
+                siz: fsize,
+                validated: false,
+                imgData: iData,
+                exifObj: exifObj,
+              });
+              self._validateAllImages();
+            }
+          }, self.processDelay);
+        })
+        .one("error", function () {
+          self._raise("fileimageloaderror", [previewId]);
+        });
+    },
+    _validateAllImages: function () {
+      var self = this,
+        counter = { val: 0 },
+        numImgs = self.fileManager.getImageCount(),
+        fsize,
+        minSize = self.resizeIfSizeMoreThan;
+      if (numImgs !== self.fileManager.totalImages) {
+        return;
+      }
+      self._raise("fileimagesloaded");
+      if (!self.resizeImage) {
+        return;
+      }
+      $.each(self.fileManager.loadedImages, function (id, config) {
+        if (!config.validated) {
+          fsize = config.siz;
+          if (fsize && fsize > minSize * self.bytesToKB) {
+            self._getResizedImage(id, config, counter, numImgs);
+          }
+          config.validated = true;
+        }
+      });
+    },
+    _getResizedImage: function (id, config, counter, numImgs) {
+      var self = this,
+        img = $(config.img)[0],
+        width = img.naturalWidth,
+        height = img.naturalHeight,
+        blob,
+        ratio = 1,
+        maxWidth = self.maxImageWidth || width,
+        maxHeight = self.maxImageHeight || height,
+        isValidImage = !!(width && height),
+        chkWidth,
+        chkHeight,
+        canvas = self.imageCanvas,
+        dataURI,
+        context = self.imageCanvasContext,
+        type = config.typ,
+        pid = config.pid,
+        ind = config.ind,
+        $thumb = config.thumb,
+        throwError,
+        msg,
+        exifObj = config.exifObj,
+        exifStr,
+        file,
+        params,
+        evParams;
+      throwError = function (msg, params, ev) {
+        if (self.isAjaxUpload) {
+          self._showFileError(msg, params, ev);
+        } else {
+          self._showError(msg, params, ev);
+        }
+        self._setPreviewError($thumb);
+      };
+      file = self.fileManager.getFile(id);
+      params = { id: pid, index: ind, fileId: id };
+      evParams = [id, pid, ind];
+      if (!file || !isValidImage || (width <= maxWidth && height <= maxHeight)) {
+        if (isValidImage && file) {
+          self._raise("fileimageresized", evParams);
+        }
+        counter.val++;
+        if (counter.val === numImgs) {
+          self._raise("fileimagesresized");
+        }
+        if (!isValidImage) {
+          throwError(self.msgImageResizeError, params, "fileimageresizeerror");
+          return;
+        }
+      }
+      type = type || self.resizeDefaultImageType;
+      chkWidth = width > maxWidth;
+      chkHeight = height > maxHeight;
+      if (self.resizePreference === "width") {
+        ratio = chkWidth ? maxWidth / width : chkHeight ? maxHeight / height : 1;
+      } else {
+        ratio = chkHeight ? maxHeight / height : chkWidth ? maxWidth / width : 1;
+      }
+      self._resetCanvas();
+      width *= ratio;
+      height *= ratio;
+      canvas.width = width;
+      canvas.height = height;
+      try {
+        context.drawImage(img, 0, 0, width, height);
+        dataURI = canvas.toDataURL(type, self.resizeQuality);
+        if (exifObj) {
+          exifStr = window.piexif.dump(exifObj);
+          dataURI = window.piexif.insert(exifStr, dataURI);
+        }
+        blob = $h.dataURI2Blob(dataURI);
+        self.fileManager.setFile(id, blob);
+        self._raise("fileimageresized", evParams);
+        counter.val++;
+        if (counter.val === numImgs) {
+          self._raise("fileimagesresized", [undefined, undefined]);
+        }
+        if (!(blob instanceof Blob)) {
+          throwError(self.msgImageResizeError, params, "fileimageresizeerror");
+        }
+      } catch (err) {
+        counter.val++;
+        if (counter.val === numImgs) {
+          self._raise("fileimagesresized", [undefined, undefined]);
+        }
+        msg = self.msgImageResizeException.replace("{errors}", err.message);
+        throwError(msg, params, "fileimageresizeexception");
+      }
+    },
+    _showProgress: function () {
+      var self = this;
+      if (self.$progress && self.$progress.length) {
+        self.$progress.show();
+      }
+    },
+    _hideProgress: function () {
+      var self = this;
+      if (self.$progress && self.$progress.length) {
+        self.$progress.hide();
+      }
+    },
+    _initBrowse: function ($container) {
+      var self = this,
+        $el = self.$element;
+      if (self.showBrowse) {
+        self.$btnFile = $container.find(".btn-file").append($el);
+      } else {
+        $el.appendTo($container).attr("tabindex", -1);
+        $h.addCss($el, "file-no-browse");
+      }
+    },
+    _initClickable: function () {
+      var self = this,
+        $zone,
+        $tmpZone;
+      if (!self.isClickable) {
+        return;
+      }
+      $zone = self.$dropZone;
+      if (!self.isAjaxUpload) {
+        $tmpZone = self.$preview.find(".file-default-preview");
+        if ($tmpZone.length) {
+          $zone = $tmpZone;
+        }
+      }
+
+      $h.addCss($zone, "clickable");
+      $zone.attr("tabindex", -1);
+      self._handler($zone, "click", function (e) {
+        var $tar = $(e.target);
+        if (
+          !self.$errorContainer.is(":visible") &&
+          (!$tar.parents(".file-preview-thumbnails").length || $tar.parents(".file-default-preview").length)
+        ) {
+          self.$element.data("zoneClicked", true).trigger("click");
+          $zone.blur();
+        }
+      });
+    },
+    _initCaption: function () {
+      var self = this,
+        cap = self.initialCaption || "";
+      if (self.overwriteInitial || $h.isEmpty(cap)) {
+        self.$caption.val("");
+        return false;
+      }
+      self._setCaption(cap);
+      return true;
+    },
+    _setCaption: function (content, isError) {
+      var self = this,
+        title,
+        out,
+        icon,
+        n,
+        cap,
+        file;
+      if (!self.$caption.length) {
+        return;
+      }
+      self.$captionContainer.removeClass("icon-visible");
+      if (isError) {
+        title = $("<div>" + self.msgValidationError + "</div>").text();
+        n = self.fileManager.count();
+        if (n) {
+          file = self.fileManager.getFirstFile();
+          cap = n === 1 && file ? file.nameFmt : self._getMsgSelected(n);
+        } else {
+          cap = self._getMsgSelected(self.msgNo);
+        }
+        out = $h.isEmpty(content) ? cap : content;
+        icon = '<span class="' + self.msgValidationErrorClass + '">' + self.msgValidationErrorIcon + "</span>";
+      } else {
+        if ($h.isEmpty(content)) {
+          self.$caption.attr("title", "");
+          return;
+        }
+        title = $("<div>" + content + "</div>").text();
+        out = title;
+        icon = self._getLayoutTemplate("fileIcon");
+      }
+      self.$captionContainer.addClass("icon-visible");
+      self.$caption.attr("title", title).val(out);
+      $h.setHtml(self.$captionIcon, icon);
+    },
+    _createContainer: function () {
+      var self = this,
+        attribs = { class: "file-input file-input-new" + (self.rtl ? " kv-rtl" : "") },
+        $container = $h.createElement($h.cspBuffer.stash(self._renderMain()));
+      $h.cspBuffer.apply($container);
+      $container.insertBefore(self.$element).attr(attribs);
+      self._initBrowse($container);
+      if (self.theme) {
+        $container.addClass("theme-" + self.theme);
+      }
+      return $container;
+    },
+    _refreshContainer: function () {
+      var self = this,
+        $container = self.$container,
+        $el = self.$element;
+      $el.insertAfter($container);
+      $h.setHtml($container, self._renderMain());
+      self._initBrowse($container);
+      self._validateDisabled();
+    },
+    _validateDisabled: function () {
+      var self = this;
+      self.$caption.attr({ readonly: self.isDisabled });
+    },
+    _setTabIndex: function (type, html) {
+      var self = this,
+        index = self.tabIndexConfig[type];
+      return html.setTokens({
+        tabIndexConfig: index === undefined || index === null ? "" : 'tabindex="' + index + '"',
+      });
+    },
+    _renderMain: function () {
+      var self = this,
+        dropCss = self.dropZoneEnabled ? " file-drop-zone" : "file-drop-disabled",
+        close = !self.showClose ? "" : self._getLayoutTemplate("close"),
+        preview = !self.showPreview
+          ? ""
+          : self._getLayoutTemplate("preview").setTokens({ class: self.previewClass, dropClass: dropCss }),
+        css = self.isDisabled ? self.captionClass + " file-caption-disabled" : self.captionClass,
+        caption = self.captionTemplate.setTokens({ class: css + " kv-fileinput-caption" });
+      caption = self._setTabIndex("caption", caption);
+      return self.mainTemplate.setTokens({
+        class: self.mainClass + (!self.showBrowse && self.showCaption ? " no-browse" : ""),
+        inputGroupClass: self.inputGroupClass,
+        preview: preview,
+        close: close,
+        caption: caption,
+        upload: self._renderButton("upload"),
+        remove: self._renderButton("remove"),
+        cancel: self._renderButton("cancel"),
+        pause: self._renderButton("pause"),
+        browse: self._renderButton("browse"),
+      });
+    },
+    _renderButton: function (type) {
+      var self = this,
+        tmplt = self._getLayoutTemplate("btnDefault"),
+        css = self[type + "Class"],
+        title = self[type + "Title"],
+        icon = self[type + "Icon"],
+        label = self[type + "Label"],
+        status = self.isDisabled ? " disabled" : "",
+        btnType = "button";
+      switch (type) {
+        case "remove":
+          if (!self.showRemove) {
+            return "";
+          }
+          break;
+        case "cancel":
+          if (!self.showCancel) {
+            return "";
+          }
+          css += " kv-hidden";
+          break;
+        case "pause":
+          if (!self.showPause) {
+            return "";
+          }
+          css += " kv-hidden";
+          break;
+        case "upload":
+          if (!self.showUpload) {
+            return "";
+          }
+          if (self.isAjaxUpload && !self.isDisabled) {
+            tmplt = self._getLayoutTemplate("btnLink").replace("{href}", self.uploadUrl);
+          } else {
+            btnType = "submit";
+          }
+          break;
+        case "browse":
+          if (!self.showBrowse) {
+            return "";
+          }
+          tmplt = self._getLayoutTemplate("btnBrowse");
+          break;
+        default:
+          return "";
+      }
+      tmplt = self._setTabIndex(type, tmplt);
+
+      css += type === "browse" ? " btn-file" : " fileinput-" + type + " fileinput-" + type + "-button";
+      if (!$h.isEmpty(label)) {
+        label = ' <span class="' + self.buttonLabelClass + '">' + label + "</span>";
+      }
+      return tmplt.setTokens({
+        type: btnType,
+        css: css,
+        title: title,
+        status: status,
+        icon: icon,
+        label: label,
+      });
+    },
+    _renderThumbProgress: function () {
+      var self = this;
+      return (
+        '<div class="file-thumb-progress kv-hidden">' +
+        self.progressInfoTemplate.setTokens({ percent: 101, status: self.msgUploadBegin, stats: "" }) +
+        "</div>"
+      );
+    },
+    _renderFileFooter: function (cat, caption, size, width, isError) {
+      var self = this,
+        config = self.fileActionSettings,
+        rem = config.showRemove,
+        drg = config.showDrag,
+        upl = config.showUpload,
+        rot = config.showRotate,
+        zoom = config.showZoom,
+        out,
+        params,
+        template = self._getLayoutTemplate("footer"),
+        tInd = self._getLayoutTemplate("indicator"),
+        ind = isError ? config.indicatorError : config.indicatorNew,
+        title = isError ? config.indicatorErrorTitle : config.indicatorNewTitle,
+        indicator = tInd.setTokens({ indicator: ind, indicatorTitle: title });
+      size = self._getSize(size);
+      params = { type: cat, caption: caption, size: size, width: width, progress: "", indicator: indicator };
+      if (self.isAjaxUpload) {
+        params.progress = self._renderThumbProgress();
+        params.actions = self._renderFileActions(params, upl, false, rem, rot, zoom, drg, false, false, false);
+      } else {
+        params.actions = self._renderFileActions(params, false, false, false, false, zoom, drg, false, false, false);
+      }
+      out = template.setTokens(params);
+      out = $h.replaceTags(out, self.previewThumbTags);
+      return out;
+    },
+    _renderFileActions: function (
+      cfg,
+      showUpl,
+      showDwn,
+      showDel,
+      showRot,
+      showZoom,
+      showDrag,
+      disabled,
+      url,
+      key,
+      isInit,
+      dUrl,
+      dFile
+    ) {
+      var self = this;
+      if (!cfg.type && isInit) {
+        cfg.type = "image";
+      }
+      if (self.enableResumableUpload) {
+        showUpl = false;
+      } else {
+        if (typeof showUpl === "function") {
+          showUpl = showUpl(cfg);
+        }
+      }
+      if (typeof showDwn === "function") {
+        showDwn = showDwn(cfg);
+      }
+      if (typeof showDel === "function") {
+        showDel = showDel(cfg);
+      }
+      if (typeof showZoom === "function") {
+        showZoom = showZoom(cfg);
+      }
+      if (typeof showDrag === "function") {
+        showDrag = showDrag(cfg);
+      }
+      if (typeof showRot === "function") {
+        showRot = showRot(cfg);
+      }
+      if (!showUpl && !showDwn && !showDel && !showRot && !showZoom && !showDrag) {
+        return "";
+      }
+      var vUrl = url === false ? "" : ' data-url="' + url + '"',
+        btnZoom = "",
+        btnDrag = "",
+        btnRotate = "",
+        css,
+        vKey = key === false ? "" : ' data-key="' + key + '"',
+        btnDelete = "",
+        btnUpload = "",
+        btnDownload = "",
+        template = self._getLayoutTemplate("actions"),
+        config = self.fileActionSettings,
+        otherButtons = self.otherActionButtons.setTokens({ dataKey: vKey, key: key }),
+        removeClass = disabled ? config.removeClass + " disabled" : config.removeClass;
+      if (showDel) {
+        btnDelete = self._getLayoutTemplate("actionDelete").setTokens({
+          removeClass: removeClass,
+          removeIcon: config.removeIcon,
+          removeTitle: config.removeTitle,
+          dataUrl: vUrl,
+          dataKey: vKey,
+          key: key,
+        });
+      }
+      if (showRot) {
+        btnRotate = self._getLayoutTemplate("actionRotate").setTokens({
+          rotateClass: config.rotateClass,
+          rotateIcon: config.rotateIcon,
+          rotateTitle: config.rotateTitle,
+        });
+      }
+      if (showUpl) {
+        btnUpload = self._getLayoutTemplate("actionUpload").setTokens({
+          uploadClass: config.uploadClass,
+          uploadIcon: config.uploadIcon,
+          uploadTitle: config.uploadTitle,
+        });
+      }
+      if (showDwn) {
+        btnDownload = self._getLayoutTemplate("actionDownload").setTokens({
+          downloadClass: config.downloadClass,
+          downloadIcon: config.downloadIcon,
+          downloadTitle: config.downloadTitle,
+          downloadUrl: dUrl || self.initialPreviewDownloadUrl,
+        });
+        btnDownload = btnDownload.setTokens({ filename: dFile, key: key });
+      }
+      if (showZoom) {
+        btnZoom = self._getLayoutTemplate("actionZoom").setTokens({
+          zoomClass: config.zoomClass,
+          zoomIcon: config.zoomIcon,
+          zoomTitle: config.zoomTitle,
+        });
+      }
+      if (showDrag && isInit) {
+        css = "drag-handle-init " + config.dragClass;
+        btnDrag = self._getLayoutTemplate("actionDrag").setTokens({
+          dragClass: css,
+          dragTitle: config.dragTitle,
+          dragIcon: config.dragIcon,
+        });
+      }
+      return template.setTokens({
+        delete: btnDelete,
+        upload: btnUpload,
+        download: btnDownload,
+        rotate: btnRotate,
+        zoom: btnZoom,
+        drag: btnDrag,
+        other: otherButtons,
+      });
+    },
+    _browse: function (e) {
+      var self = this;
+      if ((e && e.isDefaultPrevented()) || !self._raise("filebrowse")) {
+        return;
+      }
+      if (self.isError && !self.isAjaxUpload) {
+        self.clear();
+      }
+      if (self.focusCaptionOnBrowse) {
+        self.$captionContainer.focus();
+      }
+    },
+    _change: function (e) {
+      var self = this;
+      $(document.body).off("focusin.fileinput focusout.fileinput");
+      if (self.changeTriggered) {
+        self._toggleLoading("hide");
+        return;
+      }
+      self._toggleLoading("show");
+      var $el = self.$element,
+        isDragDrop = arguments.length > 1,
+        isAjaxUpload = self.isAjaxUpload,
+        tfiles,
+        files = isDragDrop ? arguments[1] : $el[0].files,
+        ctr = self.fileManager.count(),
+        total,
+        initCount,
+        len,
+        isSingleUpl = $h.isEmpty($el.attr("multiple")),
+        maxCount = !isAjaxUpload && isSingleUpl ? 1 : self.maxFileCount,
+        maxTotCount = self.maxTotalFileCount,
+        inclAll = maxTotCount > 0 && maxTotCount > maxCount,
+        flagSingle = isSingleUpl && ctr > 0,
+        throwError = function (mesg, file, previewId, index) {
+          var p1 = $.extend(true, {}, self._getOutData(null, {}, {}, files), { id: previewId, index: index }),
+            p2 = { id: previewId, index: index, file: file, files: files };
+          self.isPersistentError = true;
+          self._toggleLoading("hide");
+          return isAjaxUpload ? self._showFileError(mesg, p1) : self._showError(mesg, p2);
+        },
+        maxCountCheck = function (n, m, all) {
+          var msg = all ? self.msgTotalFilesTooMany : self.msgFilesTooMany;
+          msg = msg.replace("{m}", m).replace("{n}", n);
+          self.isError = throwError(msg, null, null, null);
+          self.$captionContainer.removeClass("icon-visible");
+          self._setCaption("", true);
+          self.$container.removeClass("file-input-new file-input-ajax-new");
+        };
+      self.reader = null;
+      self._resetUpload();
+      self._hideFileIcon();
+      if (self.dropZoneEnabled) {
+        self.$container.find(".file-drop-zone ." + self.dropZoneTitleClass).remove();
+      }
+      if (!isAjaxUpload) {
+        if (e.target && e.target.files === undefined) {
+          files = e.target.value ? [{ name: e.target.value.replace(/^.+\\/, "") }] : [];
+        } else {
+          files = e.target.files || {};
+        }
+      }
+      tfiles = files;
+      if ($h.isEmpty(tfiles) || tfiles.length === 0) {
+        if (!isAjaxUpload) {
+          self.clear();
+        }
+        self._raise("fileselectnone");
+        return;
+      }
+      self._resetErrors();
+      len = tfiles.length;
+      initCount = isAjaxUpload ? self.fileManager.count() + len : len;
+      total = self._getFileCount(initCount, inclAll ? false : undefined);
+      if (maxCount > 0 && total > maxCount) {
+        if (!self.autoReplace || len > maxCount) {
+          maxCountCheck(self.autoReplace && len > maxCount ? len : total, maxCount);
+          return;
+        }
+        if (total > maxCount) {
+          self._resetPreviewThumbs(isAjaxUpload);
+        }
+      } else {
+        if (inclAll) {
+          total = self._getFileCount(initCount, true);
+          if (maxTotCount > 0 && total > maxTotCount) {
+            if (!self.autoReplace || len > maxCount) {
+              maxCountCheck(self.autoReplace && len > maxTotCount ? len : total, maxTotCount, true);
+              return;
+            }
+            if (total > maxCount) {
+              self._resetPreviewThumbs(isAjaxUpload);
+            }
+          }
+        }
+        if (!isAjaxUpload || flagSingle) {
+          self._resetPreviewThumbs(false);
+          if (flagSingle) {
             self.clearFileStack();
-            self._setFileDropZoneTitle();
-            return self.$element;
-        },
-        disable: function () {
-            var self = this, $container = self.$container;
-            self.isDisabled = true;
-            self._raise('filedisabled');
-            self.$element.attr('disabled', 'disabled');
-            $container.addClass('is-locked');
-            $h.addCss($container.find('.btn-file'), 'disabled');
-            $container.find('.kv-fileinput-caption').addClass('file-caption-disabled');
-            $container.find('.fileinput-remove, .fileinput-upload, .file-preview-frame button')
-                .attr('disabled', true);
-            self._initDragDrop();
-            return self.$element;
-        },
-        enable: function () {
-            var self = this, $container = self.$container;
-            self.isDisabled = false;
-            self._raise('fileenabled');
-            self.$element.removeAttr('disabled');
-            $container.removeClass('is-locked');
-            $container.find('.kv-fileinput-caption').removeClass('file-caption-disabled');
-            $container.find('.fileinput-remove, .fileinput-upload, .file-preview-frame button')
-                .removeAttr('disabled');
-            $container.find('.btn-file').removeClass('disabled');
-            self._initDragDrop();
-            return self.$element;
-        },
-        upload: function () {
-            var self = this, fm = self.fileManager, totLen = fm.count(), i, outData, tm = self.taskManager,
-                hasExtraData = !$.isEmptyObject(self._getExtraData());
-            fm.bpsLog = [];
-            fm.bps = 0;
-            if (!self.isAjaxUpload || self.isDisabled || !self._isFileSelectionValid(totLen)) {
-                return;
-            }
-            self.lastProgress = 0;
-            self._resetUpload();
-            if (totLen === 0 && !hasExtraData) {
-                self._showFileError(self.msgUploadEmpty);
-                return;
+          }
+        } else {
+          if (isAjaxUpload && ctr === 0 && (!self.previewCache.count(true) || self.overwriteInitial)) {
+            self._resetPreviewThumbs(true);
+          }
+        }
+      }
+      if (self.autoReplace) {
+        self._getThumbs().each(function () {
+          var $thumb = $(this);
+          if ($thumb.hasClass("file-preview-success") || $thumb.hasClass("file-preview-error")) {
+            $thumb.remove();
+          }
+        });
+      }
+      self.readFiles(tfiles);
+      self._toggleLoading("hide");
+    },
+    _abort: function (params) {
+      var self = this,
+        data;
+      if (self.ajaxAborted && typeof self.ajaxAborted === "object" && self.ajaxAborted.message !== undefined) {
+        data = $.extend(true, {}, self._getOutData(null), params);
+        data.abortData = self.ajaxAborted.data || {};
+        data.abortMessage = self.ajaxAborted.message;
+        self._setProgress(101, self.$progress, self.msgCancelled);
+        self._showFileError(self.ajaxAborted.message, data, "filecustomerror");
+        self.cancel();
+        self.unlock();
+        return true;
+      }
+      return !!self.ajaxAborted;
+    },
+    _resetFileStack: function () {
+      var self = this,
+        i = 0;
+      self._getThumbs().each(function () {
+        var $thumb = $(this),
+          ind = $thumb.attr("data-fileindex"),
+          pid = $thumb.attr("id");
+        if (ind === "-1" || ind === -1) {
+          return;
+        }
+        if (!self._getThumbFile($thumb)) {
+          $thumb.attr({ "data-fileindex": i });
+          i++;
+        } else {
+          $thumb.attr({ "data-fileindex": "-1" });
+        }
+        self._getZoom(pid).attr({
+          "data-fileindex": $thumb.attr("data-fileindex"),
+        });
+      });
+    },
+    _isFileSelectionValid: function (cnt) {
+      var self = this;
+      cnt = cnt || 0;
+      if (self.required && !self.getFilesCount()) {
+        self.$errorContainer.html("");
+        self._showFileError(self.msgFileRequired);
+        return false;
+      }
+      if (self.minFileCount > 0 && self._getFileCount(cnt) < self.minFileCount) {
+        self._noFilesError({});
+        return false;
+      }
+      return true;
+    },
+    _canPreview: function (file) {
+      var self = this;
+      if (!file || !self.showPreview || !self.$preview || !self.$preview.length) {
+        return false;
+      }
+      var name = file.name || "",
+        type = file.type || "",
+        size = (file.size || 0) / self.bytesToKB,
+        cat = self._parseFileType(type, name),
+        allowedTypes,
+        allowedMimes,
+        allowedExts,
+        skipPreview,
+        types = self.allowedPreviewTypes,
+        mimes = self.allowedPreviewMimeTypes,
+        exts = self.allowedPreviewExtensions || [],
+        dTypes = self.disabledPreviewTypes,
+        dMimes = self.disabledPreviewMimeTypes,
+        dExts = self.disabledPreviewExtensions || [],
+        maxSize = (self.maxFilePreviewSize && parseFloat(self.maxFilePreviewSize)) || 0,
+        expAllExt = new RegExp("\\.(" + exts.join("|") + ")$", "i"),
+        expDisExt = new RegExp("\\.(" + dExts.join("|") + ")$", "i");
+      allowedTypes = !types || types.indexOf(cat) !== -1;
+      allowedMimes = !mimes || mimes.indexOf(type) !== -1;
+      allowedExts = !exts.length || $h.compare(name, expAllExt);
+      skipPreview =
+        (dTypes && dTypes.indexOf(cat) !== -1) ||
+        (dMimes && dMimes.indexOf(type) !== -1) ||
+        (dExts.length && $h.compare(name, expDisExt)) ||
+        (maxSize && !isNaN(maxSize) && size > maxSize);
+      return !skipPreview && (allowedTypes || allowedMimes || allowedExts);
+    },
+    addToStack: function (file, id) {
+      var self = this;
+      self.stackIsUpdating = true;
+      self.fileManager.add(file, id);
+      self._refreshPreview();
+      self.stackIsUpdating = false;
+    },
+    clearFileStack: function () {
+      var self = this;
+      self.fileManager.clear();
+      self._initResumableUpload();
+      if (self.enableResumableUpload) {
+        if (self.showPause === null) {
+          self.showPause = true;
+        }
+        if (self.showCancel === null) {
+          self.showCancel = false;
+        }
+      } else {
+        self.showPause = false;
+        if (self.showCancel === null) {
+          self.showCancel = true;
+        }
+      }
+      return self.$element;
+    },
+    getFileStack: function () {
+      return this.fileManager.stack;
+    },
+    getFileList: function () {
+      return this.fileManager.list();
+    },
+    getFilesSize: function () {
+      return this.fileManager.getTotalSize();
+    },
+    getFilesCount: function (includeInitial) {
+      var self = this,
+        len = self.isAjaxUpload ? self.fileManager.count() : self._inputFileCount();
+      if (includeInitial) {
+        len += self.previewCache.count(true);
+      }
+      return self._getFileCount(len);
+    },
+    _initCapStatus: function (status) {
+      var self = this,
+        $cap = self.$caption;
+      $cap.removeClass("is-valid file-processing");
+      if (!status) {
+        return;
+      }
+      if (status === "processing") {
+        $cap.addClass("file-processing");
+      } else {
+        $cap.addClass("is-valid");
+      }
+    },
+    _toggleLoading: function (type) {
+      var self = this;
+      $h.setHtml(self.$previewStatus, type === "hide" ? "" : self.msgProcessing);
+      self.$container.removeClass("file-thumb-loading");
+      self._initCapStatus(type === "hide" ? "" : "processing");
+      if (type !== "hide") {
+        if (self.dropZoneEnabled) {
+          self.$container.find(".file-drop-zone ." + self.dropZoneTitleClass).remove();
+        }
+        self.$container.addClass("file-thumb-loading");
+      }
+    },
+    _initFileSelected: function () {
+      var self = this,
+        $el = self.$element,
+        $body = $(document.body),
+        ev = "focusin.fileinput focusout.fileinput";
+      if ($body.length) {
+        $body
+          .off(ev)
+          .on("focusout.fileinput", function () {
+            self._toggleLoading("show");
+          })
+          .on("focusin.fileinput", function () {
+            setTimeout(function () {
+              if (!$el.val()) {
+                self._setFileDropZoneTitle();
+              }
+              $body.off(ev);
+              self._toggleLoading("hide");
+            }, 2500);
+          });
+      } else {
+        self._toggleLoading("hide");
+      }
+    },
+    readFiles: function (files) {
+      this.reader = new FileReader();
+      var self = this,
+        reader = self.reader,
+        $container = self.$previewContainer,
+        $status = self.$previewStatus,
+        msgLoading = self.msgLoading,
+        msgProgress = self.msgProgress,
+        previewInitId = self.previewInitId,
+        numFiles = files.length,
+        settings = self.fileTypeSettings,
+        readFile,
+        fileTypes = self.allowedFileTypes,
+        typLen = fileTypes ? fileTypes.length : 0,
+        fileExt = self.allowedFileExtensions,
+        strExt = $h.isEmpty(fileExt) ? "" : fileExt.join(", "),
+        throwError = function (msg, file, previewId, index, fileId) {
+          var $thumb,
+            p1 = $.extend(true, {}, self._getOutData(null, {}, {}, files), {
+              id: previewId,
+              index: index,
+              fileId: fileId,
+            }),
+            p2 = { id: previewId, index: index, fileId: fileId, file: file, files: files };
+          Object.values(files).forEach((x) => {
+            self._previewDefault(x, true);
+          });
+          $thumb = self._getFrame(previewId, true);
+          self._toggleLoading("hide");
+          if (self.isAjaxUpload) {
+            setTimeout(function () {
+              readFile(index + 1);
+            }, self.processDelay);
+          } else {
+            self.unlock();
+            numFiles = 0;
+          }
+          if (self.removeFromPreviewOnError && $thumb.length) {
+            $thumb.remove();
+          } else {
+            self._initFileActions();
+            $thumb.find(".kv-file-upload").remove();
+          }
+          self.isPersistentError = true;
+          self.isError = self.isAjaxUpload ? self._showFileError(msg, p1) : self._showError(msg, p2);
+          self._updateFileDetails(numFiles);
+        };
+      self.fileManager.clearImages();
+      $.each(files, function (key, file) {
+        var func = self.fileTypeSettings.image;
+        if (func && func(file.type)) {
+          self.fileManager.totalImages++;
+        }
+      });
+      readFile = function (i) {
+        var $error = self.$errorContainer,
+          errors,
+          fm = self.fileManager;
+        if (i >= numFiles) {
+          self.unlock();
+          if (self.duplicateErrors.length) {
+            errors = "<li>" + self.duplicateErrors.join("</li><li>") + "</li>";
+            if ($error.find("ul").length === 0) {
+              $h.setHtml($error, self.errorCloseButton + "<ul>" + errors + "</ul>");
+            } else {
+              $error.find("ul").append($h.cspBuffer.stash(errors));
+              $h.cspBuffer.apply($error);
             }
-            self.cancelling = false;
-            self.uploadInitiated = true;
-            self._showProgress();
-            self.lock();
-            if (totLen === 0 && hasExtraData) {
-                self._setProgress(2);
-                self._uploadExtraOnly();
-                return;
+            $error.fadeIn(self.fadeDelay);
+            self._handler($error.find(".kv-error-close"), "click", function () {
+              $error.fadeOut(self.fadeDelay);
+            });
+            self.duplicateErrors = [];
+          }
+          if (self.isAjaxUpload) {
+            self._raise("filebatchselected", [fm.stack]);
+            if (fm.count() === 0 && !self.isError) {
+              self.reset();
+            }
+          } else {
+            self._raise("filebatchselected", [files]);
+          }
+          $container.removeClass("file-thumb-loading");
+          self._initCapStatus("valid");
+          $status.html("");
+          return;
+        }
+        self.lock(true);
+        var file = files[i],
+          id,
+          previewId,
+          fileProcessed,
+          fSize = (file && file.size) || 0,
+          sizeHuman = self._getSize(fSize, true),
+          j,
+          msg,
+          fnImage = settings.image,
+          chk,
+          typ,
+          typ1,
+          typ2,
+          caption,
+          fileSize = fSize / self.bytesToKB,
+          fileExtExpr = "",
+          previewData,
+          fileCount = 0,
+          strTypes = "",
+          fileId,
+          canLoad,
+          fileReaderAborted = false,
+          func,
+          knownTypes = 0,
+          isImage,
+          processFileLoaded,
+          initFileData;
+        initFileData = function (dataSource) {
+          dataSource = dataSource || file;
+          id = fileId = self._getFileId(file);
+          previewId = previewInitId + "-" + id;
+          previewData = $h.createObjectURL(dataSource);
+          caption = self._getFileName(file, "");
+        };
+        processFileLoaded = function () {
+          var isImageResized = !!fm.loadedImages[id],
+            msg = msgProgress.setTokens({
+              index: i + 1,
+              files: numFiles,
+              percent: 50,
+              name: caption,
+            });
+          setTimeout(function () {
+            $h.setHtml($status, msg);
+            self._updateFileDetails(numFiles);
+            if (self.getFilesCount(true) > 0 && self.getFrames(":visible")) {
+              self.$dropZone.find("." + self.dropZoneTitleClass).remove();
             }
-            if (self.enableResumableUpload) {
-                return self.resume();
+            readFile(i + 1);
+          }, self.processDelay);
+          if (self._raise("fileloaded", [file, previewId, id, i, reader]) && self.isAjaxUpload) {
+            if (!isImageResized) {
+              fm.add(file);
             }
-            if (self.uploadAsync || self.enableResumableUpload) {
-                outData = self._getOutData(null);
-                if (!self._checkBatchPreupload(outData)) {
-                    return;
-                }
-                self.fileBatchCompleted = false;
-                self.uploadCache = [];
-                $.each(self.getFileStack(), function (id) {
-                    var previewId = self._getThumbId(id);
-                    self.uploadCache.push({id: previewId, content: null, config: null, tags: null, append: true});
-                });
-                self.$preview.find('.file-preview-initial').removeClass($h.SORT_CSS);
-                self._initSortable();
+          } else {
+            if (isImageResized) {
+              fm.removeFile(id);
             }
-            self._setProgress(2);
-            self.hasInitData = false;
-            if (self.uploadAsync) {
-                i = 0;
-                var pool = self.ajaxPool = tm.addPool($h.uniqId());
-                $.each(self.getFileStack(), function (id) {
-                    pool.addTask(id + i, function (deferrer) {
-                        self._uploadSingle(i, id, true, deferrer);
-                    });
-                    i++;
-                });
+          }
+        };
+        if (!file) {
+          return;
+        }
+        initFileData();
 
-                pool.run(self.maxAjaxThreads).done(function () {
-                    self._log('Async upload batch completed successfully.');
-                    self._raise('filebatchuploadsuccess', [fm.stack, self._getExtraData()]);
-                }).fail(function () {
-                    self._log('Async upload batch completed with errors.');
-                    self._raise('filebatchuploaderror', [fm.stack, self._getExtraData()]);
-                });
-                return;
-            }
-            self._uploadBatch();
-            return self.$element;
-        },
-        destroy: function () {
-            var self = this, $form = self.$form, $cont = self.$container, $el = self.$element, ns = self.namespace;
-            $(document).off(ns);
-            $(window).off(ns);
-            if ($form && $form.length) {
-                $form.off(ns);
-            }
-            if (self.isAjaxUpload) {
-                self._clearFileInput();
-            }
-            self._cleanup();
-            self._initPreviewCache();
-            $el.insertBefore($cont).off(ns).removeData();
-            $cont.off().remove();
-            return $el;
-        },
-        refresh: function (options) {
-            var self = this, $el = self.$element;
-            if (typeof options !== 'object' || $h.isEmpty(options)) {
-                options = self.options;
-            } else {
-                options = $.extend(true, {}, self.options, options);
-            }
-            self._init(options, true);
-            self._listen();
-            return $el;
-        },
-        zoom: function (frameId) {
-            var self = this, $frame = self._getFrame(frameId);
-            self._showModal($frame);
-        },
-        getExif: function (frameId) {
-            var self = this, $frame = self._getFrame(frameId);
-            return $frame && $frame.data('exif') || null;
-        },
-        getFrames: function (cssFilter) {
-            var self = this, $frames;
-            cssFilter = cssFilter || '';
-            $frames = self.$preview.find($h.FRAMES + cssFilter);
-            if (self.reversePreviewOrder) {
-                $frames = $($frames.get().reverse());
-            }
-            return $frames;
-        },
-        getPreview: function () {
-            var self = this;
-            return {
-                content: self.initialPreview,
-                config: self.initialPreviewConfig,
-                tags: self.initialPreviewThumbTags
-            };
+        if (typLen > 0) {
+          for (j = 0; j < typLen; j++) {
+            typ1 = fileTypes[j];
+            typ2 = self.msgFileTypes[typ1] || typ1;
+            strTypes += j === 0 ? typ2 : ", " + typ2;
+          }
         }
-    };
+        if (caption === false) {
+          readFile(i + 1);
+          return;
+        }
+        if (caption.length === 0) {
+          msg = self.msgInvalidFileName.replace("{name}", $h.htmlEncode($h.getFileName(file), "[unknown]"));
+          throwError(msg, file, previewId, i, fileId);
+          return;
+        }
+        if (!$h.isEmpty(fileExt)) {
+          fileExtExpr = new RegExp("\\.(" + fileExt.join("|") + ")$", "i");
+        }
+        if ((self.isAjaxUpload && fm.exists(fileId)) || self._getFrame(previewId, true).length) {
+          var p2 = { id: previewId, index: i, fileId: fileId, file: file, files: files };
+          msg = self.msgDuplicateFile.setTokens({ name: caption, size: sizeHuman });
+          if (self.isAjaxUpload) {
+            if (!self.stackIsUpdating) {
+              self.duplicateErrors.push(msg);
+              self.isDuplicateError = true;
+              self._raise("fileduplicateerror", [file, fileId, caption, sizeHuman, previewId, i]);
+            }
+            readFile(i + 1);
+            self._updateFileDetails(numFiles);
+          } else {
+            self._showError(msg, p2);
+            self.unlock();
+            numFiles = 0;
+            self._clearFileInput();
+            self.reset();
+            self._updateFileDetails(numFiles);
+          }
+          return;
+        }
+
+        if (self.maxMultipleFileSize > 0 && files.length > 1) {
+          var captionGroup = [];
+          var fileSizeGroup = 0;
+          Object.values(files).forEach((file) => {
+            fileSizeGroup = fileSizeGroup + file.size / self.bytesToKB;
+            captionGroup.push(file.name);
+          });
 
-    $.fn.fileinput = function (option) {
-        if (!$h.hasFileAPISupport() && !$h.isIE(9)) {
+          if (fileSizeGroup > self.maxMultipleFileSize) {
+            msg = self.msgMultipleSizeTooLarge.setTokens({
+              name: captionGroup,
+              size: self._getSize(fileSizeGroup, true),
+              maxSize: self._getSize(self.maxMultipleFileSize * self.bytesToKB, true),
+            });
+
+            throwError(msg, file, previewId, i, fileId);
             return;
+          }
+        } else if (self.maxFileSize > 0 && fileSize > self.maxFileSize) {
+          msg = self.msgSizeTooLarge.setTokens({
+            name: caption,
+            size: sizeHuman,
+            maxSize: self._getSize(self.maxFileSize * self.bytesToKB, true),
+          });
+          throwError(msg, file, previewId, i, fileId);
+          return;
         }
-        var args = Array.apply(null, arguments), retvals = [];
-        args.shift();
-        this.each(function () {
-            var self = $(this), data = self.data('fileinput'), options = typeof option === 'object' && option,
-                theme = options.theme || self.data('theme'), l = {}, t = {},
-                lang = options.language || self.data('language') || $.fn.fileinput.defaults.language || 'en', opt;
-            if (!data) {
-                if (theme) {
-                    t = $.fn.fileinputThemes[theme] || {};
-                }
-                if (lang !== 'en' && !$h.isEmpty($.fn.fileinputLocales[lang])) {
-                    l = $.fn.fileinputLocales[lang] || {};
-                }
-                opt = $.extend(true, {}, $.fn.fileinput.defaults, t, $.fn.fileinputLocales.en, l, options, self.data());
-                data = new FileInput(this, opt);
-                self.data('fileinput', data);
-            }
+        if (self.minFileSize !== null && fileSize <= $h.getNum(self.minFileSize)) {
+          msg = self.msgSizeTooSmall.setTokens({
+            name: caption,
+            size: sizeHuman,
+            minSize: self._getSize(self.minFileSize * self.bytesToKB, true),
+          });
+          throwError(msg, file, previewId, i, fileId);
+          return;
+        }
+        if (!$h.isEmpty(fileTypes) && $h.isArray(fileTypes)) {
+          for (j = 0; j < fileTypes.length; j += 1) {
+            typ = fileTypes[j];
+            func = settings[typ];
+            fileCount += !func || typeof func !== "function" ? 0 : func(file.type, $h.getFileName(file)) ? 1 : 0;
+          }
+          if (fileCount === 0) {
+            msg = self.msgInvalidFileType.setTokens({ name: caption, types: strTypes });
+            throwError(msg, file, previewId, i, fileId);
+            return;
+          }
+        }
+        if (fileCount === 0 && !$h.isEmpty(fileExt) && $h.isArray(fileExt) && !$h.isEmpty(fileExtExpr)) {
+          chk = $h.compare(caption, fileExtExpr);
+          fileCount += $h.isEmpty(chk) ? 0 : chk.length;
+          if (fileCount === 0) {
+            msg = self.msgInvalidFileExtension.setTokens({ name: caption, extensions: strExt });
+            throwError(msg, file, previewId, i, fileId);
+            return;
+          }
+        }
+        if (!self._canPreview(file)) {
+          canLoad = self._raise("filebeforeload", [file, i, reader]);
+          if (self.isAjaxUpload && canLoad) {
+            fm.add(file);
+          }
+          if (self.showPreview && canLoad) {
+            $container.addClass("file-thumb-loading");
+            self._initCapStatus("processing");
+            self._previewDefault(file);
+            self._initFileActions();
+          }
+          setTimeout(function () {
+            if (canLoad) {
+              self._updateFileDetails(numFiles);
+            }
+            readFile(i + 1);
+            self._raise("fileloaded", [file, previewId, id, i]);
+          }, 10);
+          return;
+        }
+        isImage = fnImage(file.type, caption);
+        $h.setHtml($status, msgLoading.replace("{index}", i + 1).replace("{files}", numFiles));
+        $container.addClass("file-thumb-loading");
+        self._initCapStatus("processing");
+        reader.onerror = function (evt) {
+          self._errorHandler(evt, caption);
+        };
+        reader.onload = function (theFile) {
+          var hex,
+            fileInfo,
+            fileData,
+            byte,
+            bytes = [],
+            contents,
+            mime,
+            processPreview = function (fType, ext) {
+              if ($h.isEmpty(fType)) {
+                // look for ascii text content
+                contents = $h.arrayBuffer2String(reader.result);
+                fType = $h.isSvg(contents) ? "image/svg+xml" : $h.getMimeType(hex, contents, file.type);
+              }
+              fileInfo = { name: caption, type: fType || "" };
+              if (ext && typeof File !== "undefined") {
+                try {
+                  var fName = (fileInfo.filename = caption + "." + ext);
+                  fileProcessed = new File([file], fName, { type: fileInfo.type });
+                  initFileData(fileProcessed);
+                } catch (err) {}
+              }
+              isImage = fnImage(fType, "");
+              if (isImage) {
+                var newReader = new FileReader();
+                newReader.onerror = function (theFileNew) {
+                  self._errorHandler(theFileNew, caption);
+                };
+                newReader.onload = function (theFileNew) {
+                  if (self.isAjaxUpload && !self._raise("filebeforeload", [file, i, reader])) {
+                    fileReaderAborted = true;
+                    self._resetCaption();
+                    reader.abort();
+                    $status.html("");
+                    $container.removeClass("file-thumb-loading");
+                    self._initCapStatus("valid");
+                    self.enable();
+                    return;
+                  }
+                  self._previewFile(i, file, theFileNew, previewData, fileInfo);
+                  self._initFileActions();
+                  processFileLoaded();
+                };
+                newReader.readAsDataURL(file);
+                return;
+              }
+              if (self.isAjaxUpload && !self._raise("filebeforeload", [file, i, reader])) {
+                fileReaderAborted = true;
+                self._resetCaption();
+                reader.abort();
+                $status.html("");
+                $container.removeClass("file-thumb-loading");
+                self._initCapStatus("valid");
+                self.enable();
+                return;
+              }
+              self._previewFile(i, file, theFile, previewData, fileInfo);
+              self._initFileActions();
+              processFileLoaded();
+            };
+          mime = file.type;
+          fileInfo = { name: caption, type: mime };
+          $.each(settings, function (k, f) {
+            if (k !== "object" && k !== "other" && typeof f === "function" && f(mime, caption)) {
+              knownTypes++;
+            }
+          });
+          if (typeof FileTypeParser !== "undefined") {
+            fileData = new Uint8Array(theFile.target.result);
+            new FileTypeParser().parse(fileData).then(function (result) {
+              processPreview((result && result.mime) || mime, (result && result.ext) || "");
+            });
+          } else {
+            if (knownTypes === 0) {
+              // auto detect mime types from content if no known file types detected
+              fileData = new Uint8Array(theFile.target.result);
+              for (j = 0; j < fileData.length; j++) {
+                byte = fileData[j].toString(16);
+                bytes.push(byte);
+              }
+              hex = bytes.join("").toLowerCase().substring(0, 8);
+              mime = $h.getMimeType(hex, "", "");
+            }
+            processPreview(mime);
+          }
+        };
+        reader.onprogress = function (data) {
+          if (data.lengthComputable) {
+            var fact = (data.loaded / data.total) * 100,
+              progress = Math.ceil(fact);
+            msg = msgProgress.setTokens({
+              index: i + 1,
+              files: numFiles,
+              percent: progress,
+              name: caption,
+            });
+            setTimeout(function () {
+              if (!fileReaderAborted) {
+                $h.setHtml($status, msg);
+              }
+            }, self.processDelay);
+          }
+        };
+        reader.readAsArrayBuffer(file);
+      };
 
-            if (typeof option === 'string') {
-                retvals.push(data[option].apply(data, args));
-            }
+      readFile(0);
+      self._updateFileDetails(numFiles);
+    },
+    lock: function (selectMode) {
+      var self = this,
+        $container = self.$container;
+      self._resetErrors();
+      self.disable();
+      if (!selectMode && self.showCancel) {
+        $container.find(".fileinput-cancel").show();
+      }
+      if (!selectMode && self.showPause) {
+        $container.find(".fileinput-pause").show();
+      }
+      self._initCapStatus("processing");
+      self._raise("filelock", [self.fileManager.stack, self._getExtraData()]);
+      return self.$element;
+    },
+    unlock: function (reset) {
+      var self = this,
+        $container = self.$container;
+      if (reset === undefined) {
+        reset = true;
+      }
+      self.enable();
+      $container.removeClass("is-locked");
+      if (self.showCancel) {
+        $container.find(".fileinput-cancel").hide();
+      }
+      if (self.showPause) {
+        $container.find(".fileinput-pause").hide();
+      }
+      if (reset) {
+        self._resetFileStack();
+      }
+      self._initCapStatus();
+      self._raise("fileunlock", [self.fileManager.stack, self._getExtraData()]);
+      return self.$element;
+    },
+    resume: function () {
+      var self = this,
+        fm = self.fileManager,
+        flag = false,
+        rm = self.resumableManager;
+      fm.bpsLog = [];
+      fm.bps = 0;
+      if (!self.enableResumableUpload) {
+        return self.$element;
+      }
+      if (self.paused) {
+        self._toggleResumableProgress(self.progressPauseTemplate, self.msgUploadResume);
+      } else {
+        flag = true;
+      }
+      self.paused = false;
+      if (flag) {
+        self._toggleResumableProgress(self.progressInfoTemplate, self.msgUploadBegin);
+      }
+      setTimeout(function () {
+        rm.upload();
+      }, self.processDelay);
+      return self.$element;
+    },
+    paste: function (e) {
+      var self = this,
+        dt = e.clipboardData || e.originalEvent.clipboardData;
+      self._addFilesFromSystem(e, dt, "filePaste");
+      return self.$element;
+    },
+    pause: function () {
+      var self = this,
+        rm = self.resumableManager,
+        xhr = self.ajaxRequests,
+        len = xhr.length,
+        i,
+        pct = rm.getProgress(),
+        actions = self.fileActionSettings,
+        tm = self.taskManager,
+        pool = tm.getPool(rm.id);
+      if (!self.enableResumableUpload) {
+        return self.$element;
+      } else {
+        if (pool) {
+          pool.cancel();
+        }
+      }
+      self._raise("fileuploadpaused", [self.fileManager, rm]);
+      if (len > 0) {
+        for (i = 0; i < len; i += 1) {
+          self.paused = true;
+          xhr[i].abort();
+        }
+      }
+      if (self.showPreview) {
+        self._getThumbs().each(function () {
+          var $thumb = $(this),
+            t = self._getLayoutTemplate("stats"),
+            stats,
+            $indicator = $thumb.find(".file-upload-indicator");
+          $thumb.removeClass("file-uploading");
+          if ($indicator.attr("title") === actions.indicatorLoadingTitle) {
+            self._setThumbStatus($thumb, "Paused");
+            stats = t.setTokens({ pendingTime: self.msgPaused, uploadSpeed: "" });
+            self.paused = true;
+            self._setProgress(pct, $thumb.find(".file-thumb-progress"), pct + "%", stats);
+          }
+          if (!self._getThumbFile($thumb)) {
+            $thumb.find(".kv-file-remove").removeClass("disabled").removeAttr("disabled");
+          }
         });
-        switch (retvals.length) {
-            case 0:
-                return this;
-            case 1:
-                return retvals[0];
-            default:
-                return retvals;
+      }
+      self._setProgress(101, self.$progress, self.msgPaused);
+      return self.$element;
+    },
+    cancel: function () {
+      var self = this,
+        xhr = self.ajaxRequests,
+        rm = self.resumableManager,
+        tm = self.taskManager,
+        pool = rm ? tm.getPool(rm.id) : undefined,
+        len = xhr.length,
+        i;
+      if (self.enableResumableUpload && pool) {
+        pool.cancel().done(function () {
+          self._setProgressCancelled();
+        });
+        rm.reset();
+        self._raise("fileuploadcancelled", [self.fileManager, rm]);
+      } else {
+        if (self.ajaxPool) {
+          self.ajaxPool.cancel();
         }
-    };
-
-    var IFRAME_ATTRIBS = 'class="kv-preview-data file-preview-pdf" src="{renderer}?file={data}" {style}',
-        defBtnCss1 = 'btn btn-sm btn-kv ' + $h.defaultButtonCss(), defBtnCss2 = 'btn ' + $h.defaultButtonCss();
-
-    $.fn.fileinput.defaults = {
-        language: 'zh',
-        bytesToKB: 1024,
-        showCaption: true,
-        showBrowse: true,
-        showPreview: true,
-        showRemove: true,
-        showUpload: true,
-        showUploadStats: true,
-        showCancel: null,
-        showPause: null,
-        showClose: true,
-        showUploadedThumbs: true,
-        showConsoleLogs: false,
-        browseOnZoneClick: false,
-        autoReplace: false,
-        showDescriptionClose: true,
-        autoOrientImage: function () { // applicable for JPEG images only and non ios safari
-            var ua = window.navigator.userAgent, webkit = !!ua.match(/WebKit/i),
-                iOS = !!ua.match(/iP(od|ad|hone)/i), iOSSafari = iOS && webkit && !ua.match(/CriOS/i);
-            return !iOSSafari;
-        },
-        autoOrientImageInitial: true,
-        showExifErrorLog: false,
-        required: false,
-        rtl: false,
-        hideThumbnailContent: false,
-        encodeUrl: true,
-        focusCaptionOnBrowse: true,
-        focusCaptionOnClear: true,
-        generateFileId: null,
-        previewClass: '',
-        captionClass: '',
-        frameClass: 'krajee-default',
-        mainClass: '',
-        inputGroupClass: '',
-        mainTemplate: null,
-        fileSizeGetter: null,
-        initialCaption: '',
-        initialPreview: [],
-        initialPreviewDelimiter: '*$$*',
-        initialPreviewAsData: false,
-        initialPreviewFileType: 'image',
-        initialPreviewConfig: [],
-        initialPreviewThumbTags: [],
-        previewThumbTags: {},
-        initialPreviewShowDelete: true,
-        initialPreviewDownloadUrl: '',
-        removeFromPreviewOnError: false,
-        deleteUrl: '',
-        deleteExtraData: {},
-        overwriteInitial: true,
-        sanitizeZoomCache: function (content) {
-            var $container = $h.createElement(content);
-            $container.find('input,textarea,select,datalist,form,.file-thumbnail-footer').remove();
-            return $container.html();
-        },
-        previewZoomButtonIcons: {
-            prev: '<i class="glyphicon glyphicon-triangle-left"></i>',
-            next: '<i class="glyphicon glyphicon-triangle-right"></i>',
-            toggleheader: '<i class="glyphicon glyphicon-resize-vertical"></i>',
-            fullscreen: '<i class="glyphicon glyphicon-fullscreen"></i>',
-            borderless: '<i class="glyphicon glyphicon-resize-full"></i>',
-            close: '<i class="glyphicon glyphicon-remove"></i>'
-        },
-        previewZoomButtonClasses: {
-            prev: 'btn btn-default btn-outline-secondary btn-navigate',
-            next: 'btn btn-default btn-outline-secondary btn-navigate',
-            rotate: defBtnCss1,
-            toggleheader: defBtnCss1,
-            fullscreen: defBtnCss1,
-            borderless: defBtnCss1,
-            close: defBtnCss1
-        },
-        previewTemplates: {},
-        previewContentTemplates: {},
-        preferIconicPreview: false,
-        preferIconicZoomPreview: false,
-        alwaysPreviewFileExtensions: [],
-        rotatableFileExtensions: ['jpg', 'jpeg', 'png', 'gif'],
-        allowedFileTypes: null,
-        allowedFileExtensions: null,
-        allowedPreviewTypes: undefined,
-        allowedPreviewMimeTypes: null,
-        allowedPreviewExtensions: null,
-        disabledPreviewTypes: undefined,
-        disabledPreviewExtensions: ['msi', 'exe', 'com', 'zip', 'rar', 'app', 'vb', 'scr'],
-        disabledPreviewMimeTypes: null,
-        defaultPreviewContent: null,
-        customLayoutTags: {},
-        customPreviewTags: {},
-        previewFileIcon: '<i class="bi-file-earmark-fill"></i>',
-        previewFileIconClass: 'file-other-icon',
-        previewFileIconSettings: {},
-        previewFileExtSettings: {},
-        buttonLabelClass: 'hidden-xs',
-        browseIcon: '<i class="bi-folder2-open"></i> ',
-        browseClass: 'btn btn-primary',
-        removeIcon: '<i class="bi-trash"></i>',
-        removeClass: defBtnCss2,
-        cancelIcon: '<i class="bi-slash-circle"></i>',
-        cancelClass: defBtnCss2,
-        pauseIcon: '<i class="bi-pause-fill"></i>',
-        pauseClass: defBtnCss2,
-        uploadIcon: '<i class="bi-upload"></i>',
-        uploadClass: defBtnCss2,
-        uploadUrl: null,
-        uploadUrlThumb: null,
-        uploadAsync: true,
-        uploadParamNames: {
-            chunkCount: 'chunkCount',
-            chunkIndex: 'chunkIndex',
-            chunkSize: 'chunkSize',
-            chunkSizeStart: 'chunkSizeStart',
-            chunksUploaded: 'chunksUploaded',
-            fileBlob: 'fileBlob',
-            fileId: 'fileId',
-            fileName: 'fileName',
-            fileRelativePath: 'fileRelativePath',
-            fileSize: 'fileSize',
-            retryCount: 'retryCount'
-        },
-        maxAjaxThreads: 5,
-        fadeDelay: 800,
-        processDelay: 100,
-        bitrateUpdateDelay: 500,
-        queueDelay: 10, // must be lesser than process delay
-        progressDelay: 0, // must be lesser than process delay
-        enableResumableUpload: false,
-        resumableUploadOptions: {
-            fallback: null,
-            testUrl: null, // used for checking status of chunks/ files previously / partially uploaded
-            chunkSize: 2048, // in KB
-            maxThreads: 4,
-            maxRetries: 3,
-            showErrorLog: true,
-            retainErrorHistory: false, // when set to true, display complete error history always unless user explicitly resets upload
-            skipErrorsAndProceed: false // when set to true, files with errors will be skipped and upload will continue with other files
-        },
-        uploadExtraData: {},
-        zoomModalHeight: 485, // 5px more than the default preview content heights set for text, html, pdf etc.
-        minImageWidth: null,
-        minImageHeight: null,
-        maxImageWidth: null,
-        maxImageHeight: null,
-        resizeImage: false,
-        resizePreference: 'width',
-        resizeQuality: 0.92,
-        resizeDefaultImageType: 'image/jpeg',
-        resizeIfSizeMoreThan: 0, // in KB
-        minFileSize: -1,
-        maxFileSize: 0,
-        maxFilePreviewSize: 25600, // 25 MB
-        minFileCount: 0,
-        maxFileCount: 0,
-        maxTotalFileCount: 0,
-        validateInitialCount: false,
-        msgValidationErrorClass: 'text-danger',
-        msgValidationErrorIcon: '<i class="glyphicon glyphicon-exclamation-sign"></i> ',
-        msgErrorClass: 'file-error-message',
-        progressThumbClass: 'progress-bar progress-bar-striped active progress-bar-animated',
-        progressClass: 'progress-bar bg-success progress-bar-success progress-bar-striped active progress-bar-animated',
-        progressInfoClass: 'progress-bar bg-info progress-bar-info progress-bar-striped active progress-bar-animated',
-        progressCompleteClass: 'progress-bar bg-success progress-bar-success',
-        progressPauseClass: 'progress-bar bg-primary progress-bar-primary progress-bar-striped active progress-bar-animated',
-        progressErrorClass: 'progress-bar bg-danger progress-bar-danger',
-        progressUploadThreshold: 99,
-        previewFileType: 'image',
-        elCaptionContainer: null,
-        elCaptionText: null,
-        elPreviewContainer: null,
-        elPreviewImage: null,
-        elPreviewStatus: null,
-        elErrorContainer: null,
-        errorCloseButton: undefined,
-        slugCallback: null,
-        dropZoneEnabled: true,
-        dropZoneTitleClass: 'file-drop-zone-title',
-        fileActionSettings: {},
-        otherActionButtons: '',
-        textEncoding: 'UTF-8',
-        preProcessUpload: null,
-        ajaxSettings: { headers: {
-            "X-CSRF-Token": document.querySelector('meta[name="csrf-token"]').content
-        }},
-        ajaxDeleteSettings: {},
-        showAjaxErrorDetails: true,
-        mergeAjaxCallbacks: false,
-        mergeAjaxDeleteCallbacks: false,
-        retryErrorUploads: true,
-        reversePreviewOrder: false,
-        usePdfRenderer: function () {
-            var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
-            return !!navigator.userAgent.match(/(iPod|iPhone|iPad|Android)/i) || isIE11;
-        },
-        pdfRendererUrl: '',
-        pdfRendererTemplate: '<iframe ' + IFRAME_ATTRIBS + '></iframe>',
-        tabIndexConfig: {
-            browse: 500,
-            remove: 500,
-            upload: 500,
-            cancel: null,
-            pause: null,
-            modal: -1
+        self._raise("fileuploadcancelled", [self.fileManager]);
+      }
+      self._initAjax();
+      if (len > 0) {
+        for (i = 0; i < len; i += 1) {
+          self.cancelling = true;
+          xhr[i].abort();
         }
-    };
-
-    // noinspection HtmlUnknownAttribute
-    $.fn.fileinputLocales.en = {
-        sizeUnits: ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
-        bitRateUnits: ['B/s', 'KB/s', 'MB/s', 'GB/s', 'TB/s', 'PB/s', 'EB/s', 'ZB/s', 'YB/s'],
-        fileSingle: 'file',
-        filePlural: 'files',
-        browseLabel: 'Browse &hellip;',
-        removeLabel: 'Remove',
-        removeTitle: 'Clear all unprocessed files',
-        cancelLabel: 'Cancel',
-        cancelTitle: 'Abort ongoing upload',
-        pauseLabel: 'Pause',
-        pauseTitle: 'Pause ongoing upload',
-        uploadLabel: 'Upload',
-        uploadTitle: 'Upload selected files',
-        msgNo: 'No',
-        msgNoFilesSelected: 'No files selected',
-        msgCancelled: 'Cancelled',
-        msgPaused: 'Paused',
-        msgPlaceholder: 'Select {files} ...',
-        msgZoomModalHeading: 'Detailed Preview',
-        msgFileRequired: 'You must select a file to upload.',
-        msgSizeTooSmall: 'File "{name}" (<b>{size}</b>) is too small and must be larger than <b>{minSize}</b>.',
-        msgSizeTooLarge: 'File "{name}" (<b>{size}</b>) exceeds maximum allowed upload size of <b>{maxSize}</b>.',
-        msgFilesTooLess: 'You must select at least <b>{n}</b> {files} to upload.',
-        msgFilesTooMany: 'Number of files selected for upload <b>({n})</b> exceeds maximum allowed limit of <b>{m}</b>.',
-        msgTotalFilesTooMany: 'You can upload a maximum of <b>{m}</b> files (<b>{n}</b> files detected).',
-        msgFileNotFound: 'File "{name}" not found!',
-        msgFileSecured: 'Security restrictions prevent reading the file "{name}".',
-        msgFileNotReadable: 'File "{name}" is not readable.',
-        msgFilePreviewAborted: 'File preview aborted for "{name}".',
-        msgFilePreviewError: 'An error occurred while reading the file "{name}".',
-        msgInvalidFileName: 'Invalid or unsupported characters in file name "{name}".',
-        msgInvalidFileType: 'Invalid type for file "{name}". Only "{types}" files are supported.',
-        msgInvalidFileExtension: 'Invalid extension for file "{name}". Only "{extensions}" files are supported.',
-        msgFileTypes: {
-            'image': 'image',
-            'html': 'HTML',
-            'text': 'text',
-            'video': 'video',
-            'audio': 'audio',
-            'flash': 'flash',
-            'pdf': 'PDF',
-            'object': 'object'
-        },
-        msgUploadAborted: 'The file upload was aborted',
-        msgUploadThreshold: 'Processing &hellip;',
-        msgUploadBegin: 'Initializing &hellip;',
-        msgUploadEnd: 'Done',
-        msgUploadResume: 'Resuming upload &hellip;',
-        msgUploadEmpty: 'No valid data available for upload.',
-        msgUploadError: 'Upload Error',
-        msgDeleteError: 'Delete Error',
-        msgProgressError: 'Error',
-        msgValidationError: 'Validation Error',
-        msgLoading: 'Loading file {index} of {files} &hellip;',
-        msgProgress: 'Loading file {index} of {files} - {name} - {percent}% completed.',
-        msgSelected: '{n} {files} selected',
-        msgProcessing: 'Processing ...',
-        msgFoldersNotAllowed: 'Drag & drop files only! {n} folder(s) dropped were skipped.',
-        msgImageWidthSmall: 'Width of image file "{name}" must be at least <b>{size} px</b> (detected <b>{dimension} px</b>).',
-        msgImageHeightSmall: 'Height of image file "{name}" must be at least <b>{size} px</b> (detected <b>{dimension} px</b>).',
-        msgImageWidthLarge: 'Width of image file "{name}" cannot exceed <b>{size} px</b> (detected <b>{dimension} px</b>).',
-        msgImageHeightLarge: 'Height of image file "{name}" cannot exceed <b>{size} px</b> (detected <b>{dimension} px</b>).',
-        msgImageResizeError: 'Could not get the image dimensions to resize.',
-        msgImageResizeException: 'Error while resizing the image.<pre>{errors}</pre>',
-        msgAjaxError: 'Something went wrong with the {operation} operation. Please try again later!',
-        msgAjaxProgressError: '{operation} failed',
-        msgDuplicateFile: 'File "{name}" of same size "{size}" has already been selected earlier. Skipping duplicate selection.',
-        msgResumableUploadRetriesExceeded: 'Upload aborted beyond <b>{max}</b> retries for file <b>{file}</b>! Error Details: <pre>{error}</pre>',
-        msgPendingTime: '{time} remaining',
-        msgCalculatingTime: 'calculating time remaining',
-        ajaxOperations: {
-            deleteThumb: 'file delete',
-            uploadThumb: 'file upload',
-            uploadBatch: 'batch file upload',
-            uploadExtra: 'form data upload'
-        },
-        dropZoneTitle: 'Drag & drop files here &hellip;',
-        dropZoneClickTitle: '<br>(or click to select {files})',
-        previewZoomButtonTitles: {
-            prev: 'View previous file',
-            next: 'View next file',
-            rotate: 'Rotate 90 deg. clockwise',
-            toggleheader: 'Toggle header',
-            fullscreen: 'Toggle full screen',
-            borderless: 'Toggle borderless mode',
-            close: 'Close detailed preview'
+      }
+      self._getThumbs().each(function () {
+        var $thumb = $(this),
+          $prog = $thumb.find(".file-thumb-progress");
+        $thumb.removeClass("file-uploading");
+        self._setProgress(0, $prog);
+        $prog.hide();
+        if (!self._getThumbFile($thumb)) {
+          $thumb.find(".kv-file-upload").removeClass("disabled").removeAttr("disabled");
+          $thumb.find(".kv-file-remove").removeClass("disabled").removeAttr("disabled");
         }
-    };
-    
-    $.fn.fileinputLocales.zh = {
-    		sizeUnits: ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'], 
-            bitRateUnits: ['B/s', 'KB/s', 'MB/s', 'GB/s', 'TB/s', 'PB/s', 'EB/s', 'ZB/s', 'YB/s'],
-            fileSingle: '文件',
-            filePlural: '个文件',
-            browseLabel: '选择 &hellip;',
-            removeLabel: '移除',
-            removeTitle: '清除选中文件',
-            cancelLabel: '取消',
-            cancelTitle: '取消进行中的上传',
-            pauseLabel: '暂停',
-            pauseTitle: '暂停上传',
-            uploadLabel: '上传',
-            uploadTitle: '上传选中文件',
-            msgNo: '没有',
-            msgNoFilesSelected: '未选择文件',
-            msgPaused: '已暂停',
-            msgCancelled: '取消',
-            msgPlaceholder: '选择 {files} ...',
-            msgZoomModalHeading: '详细预览',
-            msgFileRequired: '必须选择一个文件上传.',
-            msgSizeTooSmall: '文件 "{name}" (<b>{size}</b>) 必须大于限定大小 <b>{minSize}</b>.',
-            msgSizeTooLarge: '文件 "{name}" (<b>{size}</b>) 超过了允许大小 <b>{maxSize}</b>.',
-            msgFilesTooLess: '你必须选择最少 <b>{n}</b> {files} 来上传. ',
-            msgFilesTooMany: '选择的上传文件个数 <b>({n})</b> 超出最大文件的限制个数 <b>{m}</b>.',
-            msgTotalFilesTooMany: '你最多可以上传 <b>{m}</b> 个文件 (当前有<b>{n}</b> 个文件).',
-            msgFileNotFound: '文件 "{name}" 未找到!',
-            msgFileSecured: '安全限制，为了防止读取文件 "{name}".',
-            msgFileNotReadable: '文件 "{name}" 不可读.',
-            msgFilePreviewAborted: '取消 "{name}" 的预览.',
-            msgFilePreviewError: '读取 "{name}" 时出现了一个错误.',
-            msgInvalidFileName: '文件名 "{name}" 包含非法字符.',
-            msgInvalidFileType: '不正确的类型 "{name}". 只支持 "{types}" 类型的文件.',
-            msgInvalidFileExtension: '不正确的文件扩展名 "{name}". 只支持 "{extensions}" 的文件扩展名.',
-            msgFileTypes: {
-                'image': 'image',
-                'html': 'HTML',
-                'text': 'text',
-                'video': 'video',
-                'audio': 'audio',
-                'flash': 'flash',
-                'pdf': 'PDF',
-                'object': 'object'
-            },
-            msgUploadAborted: '该文件上传被中止',
-            msgUploadThreshold: '处理中 &hellip;',
-            msgUploadBegin: '正在初始化 &hellip;',
-            msgUploadEnd: '完成',
-            msgUploadResume: '继续上传 &hellip;',
-            msgUploadEmpty: '无效的文件上传.',
-            msgUploadError: '上传出错',
-            msgDeleteError: '删除出错',
-            msgProgressError: '上传出错',
-            msgValidationError: '验证错误',
-            msgLoading: '加载第 {index} 文件 共 {files} &hellip;',
-            msgProgress: '加载第 {index} 文件 共 {files} - {name} - {percent}% 完成.',
-            msgSelected: '{n} {files} 选中',
-            msgProcessing: '处理中 ...',
-            msgFoldersNotAllowed: '只支持拖拽文件! 跳过 {n} 拖拽的文件夹.',
-            msgImageWidthSmall: '图像文件的"{name}"的宽度必须是至少{size}像素.',
-            msgImageHeightSmall: '图像文件的"{name}"的高度必须至少为{size}像素.',
-            msgImageWidthLarge: '图像文件"{name}"的宽度不能超过{size}像素.',
-            msgImageHeightLarge: '图像文件"{name}"的高度不能超过{size}像素.',
-            msgImageResizeError: '无法获取的图像尺寸调整。',
-            msgImageResizeException: '调整图像大小时发生错误。<pre>{errors}</pre>',
-            msgAjaxError: '{operation} 发生错误. 请重试!',
-            msgAjaxProgressError: '{operation} 失败',
-            msgDuplicateFile: '文件 "{name}",大小 "{size}" 已经被选中.忽略相同的文件.',
-            msgResumableUploadRetriesExceeded:  '文件 <b>{file}</b> 上传失败超过 <b>{max}</b> 次重试 ! 错误详情: <pre>{error}</pre>',
-            msgPendingTime: '{time} 剩余',
-            msgCalculatingTime: '计算剩余时间',
-            ajaxOperations: {
-                deleteThumb: '删除文件',
-                uploadThumb: '上传文件',
-                uploadBatch: '批量上传',
-                uploadExtra: '表单数据上传'
-            },
-            dropZoneTitle: '拖拽文件到这里 &hellip;<br>支持多文件同时上传',
-            dropZoneClickTitle: '<br>(或点击{files}按钮选择文件)',
-            fileActionSettings: {
-                removeTitle: '删除文件',
-                uploadTitle: '上传文件',
-                downloadTitle: '下载文件',
-                uploadRetryTitle: '重试',
-                rotateTitle: '顺时针旋转90度',
-                zoomTitle: '查看详情',
-                dragTitle: '移动 / 重置',
-                indicatorNewTitle: '没有上传',
-                indicatorSuccessTitle: '上传',
-                indicatorErrorTitle: '上传错误',
-                indicatorPausedTitle: '上传已暂停',
-                indicatorLoadingTitle:  '上传 &hellip;'
-            },
-            previewZoomButtonTitles: {
-                prev: '预览上一个文件',
-                next: '预览下一个文件',
-                rotate: '顺时针旋转90度',
-                toggleheader: '缩放',
-                fullscreen: '全屏',
-                borderless: '无边界模式',
-                close: '关闭当前预览'
-            }
-        };
+        self.unlock();
+      });
+      setTimeout(function () {
+        self._setProgressCancelled();
+      }, self.processDelay);
+      return self.$element;
+    },
+    clear: function () {
+      var self = this,
+        cap;
+      if (!self._raise("fileclear")) {
+        return;
+      }
+      self.clearInput = true;
+      self.$btnUpload.removeAttr("disabled");
+      self
+        ._getThumbs()
+        .find("video,audio,img")
+        .each(function () {
+          $h.cleanMemory($(this));
+        });
+      self._clearFileInput();
+      self._resetUpload();
+      self.clearFileStack();
+      self.isDuplicateError = false;
+      self.isPersistentError = false;
+      self._resetErrors(true);
+      if (self._hasInitialPreview()) {
+        self._showFileIcon();
+        self._resetPreview();
+        self._initPreviewActions();
+        self.$container.removeClass("file-input-new");
+      } else {
+        self._getThumbs().each(function () {
+          self._clearObjects($(this));
+        });
+        if (self.isAjaxUpload) {
+          self.previewCache.data = {};
+        }
+        self.$preview.html("");
+        cap = !self.overwriteInitial && self.initialCaption.length > 0 ? self.initialCaption : "";
+        self.$caption.attr("title", "").val(cap);
+        $h.addCss(self.$container, "file-input-new");
+        self._validateDefaultPreview();
+      }
+      if (self.$container.find($h.FRAMES).length === 0) {
+        if (!self._initCaption()) {
+          self.$captionContainer.removeClass("icon-visible");
+        }
+      }
+      self._hideFileIcon();
+      if (self.focusCaptionOnClear) {
+        self.$captionContainer.focus();
+      }
+      self._setFileDropZoneTitle();
+      self._raise("filecleared");
+      return self.$element;
+    },
+    reset: function () {
+      var self = this;
+      if (!self._raise("filereset")) {
+        return;
+      }
+      self.lastProgress = 0;
+      self._resetPreview();
+      self.$container.find(".fileinput-filename").text("");
+      $h.addCss(self.$container, "file-input-new");
+      if (self.getFrames().length) {
+        self.$container.removeClass("file-input-new");
+      }
+      self.clearFileStack();
+      self._setFileDropZoneTitle();
+      return self.$element;
+    },
+    disable: function () {
+      var self = this,
+        $container = self.$container;
+      self.isDisabled = true;
+      self._raise("filedisabled");
+      self.$element.attr("disabled", "disabled");
+      $container.addClass("is-locked");
+      $h.addCss($container.find(".btn-file"), "disabled");
+      $container.find(".kv-fileinput-caption").addClass("file-caption-disabled");
+      $container.find(".fileinput-remove, .fileinput-upload, .file-preview-frame button").attr("disabled", true);
+      self._initDragDrop();
+      return self.$element;
+    },
+    enable: function () {
+      var self = this,
+        $container = self.$container;
+      self.isDisabled = false;
+      self._raise("fileenabled");
+      self.$element.removeAttr("disabled");
+      $container.removeClass("is-locked");
+      $container.find(".kv-fileinput-caption").removeClass("file-caption-disabled");
+      $container.find(".fileinput-remove, .fileinput-upload, .file-preview-frame button").removeAttr("disabled");
+      $container.find(".btn-file").removeClass("disabled");
+      self._initDragDrop();
+      return self.$element;
+    },
+    upload: function () {
+      var self = this,
+        fm = self.fileManager,
+        totLen = fm.count(),
+        i,
+        outData,
+        tm = self.taskManager,
+        hasExtraData = !$.isEmptyObject(self._getExtraData());
+      fm.bpsLog = [];
+      fm.bps = 0;
+      if (!self.isAjaxUpload || self.isDisabled || !self._isFileSelectionValid(totLen)) {
+        return;
+      }
+      self.lastProgress = 0;
+      self._resetUpload();
+      if (totLen === 0 && !hasExtraData) {
+        self._showFileError(self.msgUploadEmpty);
+        return;
+      }
+      self.cancelling = false;
+      self.uploadInitiated = true;
+      self._showProgress();
+      self.lock();
+      if (totLen === 0 && hasExtraData) {
+        self._setProgress(2);
+        self._uploadExtraOnly();
+        return;
+      }
+      if (self.enableResumableUpload) {
+        return self.resume();
+      }
+      if (self.uploadAsync || self.enableResumableUpload) {
+        outData = self._getOutData(null);
+        if (!self._checkBatchPreupload(outData)) {
+          return;
+        }
+        self.fileBatchCompleted = false;
+        self.uploadCache = [];
+        $.each(self.getFileStack(), function (id) {
+          var previewId = self._getThumbId(id);
+          self.uploadCache.push({ id: previewId, content: null, config: null, tags: null, append: true });
+        });
+        self.$preview.find(".file-preview-initial").removeClass($h.SORT_CSS);
+        self._initSortable();
+      }
+      self._setProgress(2);
+      self.hasInitData = false;
+      if (self.uploadAsync) {
+        i = 0;
+        var pool = (self.ajaxPool = tm.addPool($h.uniqId()));
+        $.each(self.getFileStack(), function (id) {
+          pool.addTask(id + i, function (deferrer) {
+            self._uploadSingle(i, id, true, deferrer);
+          });
+          i++;
+        });
 
-    $.fn.fileinput.Constructor = FileInput;
+        pool
+          .run(self.maxAjaxThreads)
+          .done(function () {
+            self._log("Async upload batch completed successfully.");
+            self._raise("filebatchuploadsuccess", [fm.stack, self._getExtraData()]);
+          })
+          .fail(function () {
+            self._log("Async upload batch completed with errors.");
+            self._raise("filebatchuploaderror", [fm.stack, self._getExtraData()]);
+          });
+        return;
+      }
+      self._uploadBatch();
+      return self.$element;
+    },
+    destroy: function () {
+      var self = this,
+        $form = self.$form,
+        $cont = self.$container,
+        $el = self.$element,
+        ns = self.namespace;
+      $(document).off(ns);
+      $(window).off(ns);
+      if ($form && $form.length) {
+        $form.off(ns);
+      }
+      if (self.isAjaxUpload) {
+        self._clearFileInput();
+      }
+      self._cleanup();
+      self._initPreviewCache();
+      $el.insertBefore($cont).off(ns).removeData();
+      $cont.off().remove();
+      return $el;
+    },
+    refresh: function (options) {
+      var self = this,
+        $el = self.$element;
+      if (typeof options !== "object" || $h.isEmpty(options)) {
+        options = self.options;
+      } else {
+        options = $.extend(true, {}, self.options, options);
+      }
+      self._init(options, true);
+      self._listen();
+      return $el;
+    },
+    zoom: function (frameId) {
+      var self = this,
+        $frame = self._getFrame(frameId);
+      self._showModal($frame);
+    },
+    getExif: function (frameId) {
+      var self = this,
+        $frame = self._getFrame(frameId);
+      return ($frame && $frame.data("exif")) || null;
+    },
+    getFrames: function (cssFilter) {
+      var self = this,
+        $frames;
+      cssFilter = cssFilter || "";
+      $frames = self.$preview.find($h.FRAMES + cssFilter);
+      if (self.reversePreviewOrder) {
+        $frames = $($frames.get().reverse());
+      }
+      return $frames;
+    },
+    getPreview: function () {
+      var self = this;
+      return {
+        content: self.initialPreview,
+        config: self.initialPreviewConfig,
+        tags: self.initialPreviewThumbTags,
+      };
+    },
+  };
 
-    /**
-     * Convert automatically file inputs with class 'file' into a bootstrap fileinput control.
-     */
-    $(document).ready(function () {
-        var $input = $('input.file[type=file]');
-        if ($input.length) {
-            $input.fileinput();
+  $.fn.fileinput = function (option) {
+    if (!$h.hasFileAPISupport() && !$h.isIE(9)) {
+      return;
+    }
+    var args = Array.apply(null, arguments),
+      retvals = [];
+    args.shift();
+    this.each(function () {
+      var options = {}, optObj = {};
+      if (typeof option === "object") {
+        options = $.extend(true, {}, $.fn.fileinput.defaults, option);
+        optObj = option;
+      } 
+      var self = $(this),
+        data = self.data("fileinput"),
+        theme = options.theme || self.data("theme") || $.fn.fileinput.defaults.theme,
+        l = {},
+        t = {},
+        lang = options.language || self.data("language") || $.fn.fileinput.defaults.language || "en",
+        opt;
+      if (!data) {
+        if (theme) {
+          t = $.fn.fileinputThemes[theme] || {};
         }
+        if (lang !== "en" && !$h.isEmpty($.fn.fileinputLocales[lang])) {
+          l = $.fn.fileinputLocales[lang] || {};
+        }
+        opt = $.extend(true, {}, $.fn.fileinput.defaults, t, $.fn.fileinputLocales.en, l, optObj, self.data());
+        data = new FileInput(this, opt);
+        self.data("fileinput", data);
+      }
+
+      if (typeof option === "string") {
+        retvals.push(data[option].apply(data, args));
+      }
     });
-}));
+    switch (retvals.length) {
+      case 0:
+        return this;
+      case 1:
+        return retvals[0];
+      default:
+        return retvals;
+    }
+  };
+
+  var IFRAME_ATTRIBS = 'class="kv-preview-data file-preview-pdf" src="{renderer}?file={data}" {style}',
+    defBtnCss1 = "btn btn-sm btn-kv " + $h.defaultButtonCss(),
+    defBtnCss2 = "btn " + $h.defaultButtonCss();
+
+  $.fn.fileinput.defaults = {
+    language: "zh",
+    bytesToKB: 1024,
+    showCaption: true,
+    showBrowse: true,
+    showPreview: true,
+    showRemove: true,
+    showUpload: true,
+    showUploadStats: true,
+    showCancel: null,
+    showPause: null,
+    showClose: true,
+    showUploadedThumbs: true,
+    showConsoleLogs: false,
+    browseOnZoneClick: false,
+    autoReplace: false,
+    showDescriptionClose: true,
+    autoOrientImage: function () {
+      // applicable for JPEG images only and non ios safari
+      var ua = window.navigator.userAgent,
+        webkit = !!ua.match(/WebKit/i),
+        iOS = !!ua.match(/iP(od|ad|hone)/i),
+        iOSSafari = iOS && webkit && !ua.match(/CriOS/i);
+      return !iOSSafari;
+    },
+    autoOrientImageInitial: true,
+    showExifErrorLog: false,
+    required: false,
+    rtl: false,
+    hideThumbnailContent: false,
+    encodeUrl: true,
+    focusCaptionOnBrowse: true,
+    focusCaptionOnClear: true,
+    generateFileId: null,
+    previewClass: "",
+    captionClass: "",
+    frameClass: "krajee-default",
+    mainClass: "",
+    inputGroupClass: "",
+    mainTemplate: null,
+    fileSizeGetter: null,
+    initialCaption: "",
+    initialPreview: [],
+    initialPreviewDelimiter: "*$$*",
+    initialPreviewAsData: false,
+    initialPreviewFileType: "image",
+    initialPreviewConfig: [],
+    initialPreviewThumbTags: [],
+    previewThumbTags: {},
+    initialPreviewShowDelete: true,
+    initialPreviewDownloadUrl: "",
+    removeFromPreviewOnError: false,
+    deleteUrl: "",
+    deleteExtraData: {},
+    overwriteInitial: true,
+    sanitizeZoomCache: function (content) {
+      var $container = $h.createDiv();
+      $h.setHtml($container, content);
+      $container.find("input,textarea,select,datalist,form,.file-thumbnail-footer").remove();
+      return $container.html();
+    },
+    previewZoomButtonIcons: {
+      prev: '<i class="glyphicon glyphicon-triangle-left"></i>',
+      next: '<i class="glyphicon glyphicon-triangle-right"></i>',
+      toggleheader: '<i class="glyphicon glyphicon-resize-vertical"></i>',
+      fullscreen: '<i class="glyphicon glyphicon-fullscreen"></i>',
+      borderless: '<i class="glyphicon glyphicon-resize-full"></i>',
+      close: '<i class="glyphicon glyphicon-remove"></i>'
+    },
+    previewZoomButtonClasses: {
+      prev: "btn btn-default btn-outline-secondary btn-navigate",
+      next: "btn btn-default btn-outline-secondary btn-navigate",
+      rotate: defBtnCss1,
+      toggleheader: defBtnCss1,
+      fullscreen: defBtnCss1,
+      borderless: defBtnCss1,
+      close: defBtnCss1,
+    },
+    previewTemplates: {},
+    previewContentTemplates: {},
+    preferIconicPreview: false,
+    preferIconicZoomPreview: false,
+    alwaysPreviewFileExtensions: [],
+    rotatableFileExtensions: ["jpg", "jpeg", "png", "gif"],
+    allowedFileTypes: null,
+    allowedFileExtensions: null,
+    allowedPreviewTypes: undefined,
+    allowedPreviewMimeTypes: null,
+    allowedPreviewExtensions: null,
+    disabledPreviewTypes: undefined,
+    disabledPreviewExtensions: ["msi", "exe", "com", "zip", "rar", "app", "vb", "scr"],
+    disabledPreviewMimeTypes: null,
+    defaultPreviewContent: null,
+    customLayoutTags: {},
+    customPreviewTags: {},
+    previewFileIcon: '<i class="bi-file-earmark-fill"></i>',
+    previewFileIconClass: "file-other-icon",
+    previewFileIconSettings: {},
+    previewFileExtSettings: {},
+    buttonLabelClass: "hidden-xs",
+    browseIcon: '<i class="bi-folder2-open"></i> ',
+    browseClass: "btn btn-primary",
+    removeIcon: '<i class="bi-trash"></i>',
+    removeClass: defBtnCss2,
+    cancelIcon: '<i class="bi-slash-circle"></i>',
+    cancelClass: defBtnCss2,
+    pauseIcon: '<i class="bi-pause-fill"></i>',
+    pauseClass: defBtnCss2,
+    uploadIcon: '<i class="bi-upload"></i>',
+    uploadClass: defBtnCss2,
+    uploadUrl: null,
+    uploadUrlThumb: null,
+    uploadAsync: true,
+    uploadParamNames: {
+      chunkCount: "chunkCount",
+      chunkIndex: "chunkIndex",
+      chunkSize: "chunkSize",
+      chunkSizeStart: "chunkSizeStart",
+      chunksUploaded: "chunksUploaded",
+      fileBlob: "fileBlob",
+      fileId: "fileId",
+      fileName: "fileName",
+      fileRelativePath: "fileRelativePath",
+      fileSize: "fileSize",
+      retryCount: "retryCount",
+    },
+    maxAjaxThreads: 5,
+    fadeDelay: 800,
+    processDelay: 100,
+    bitrateUpdateDelay: 500,
+    queueDelay: 10, // must be lesser than process delay
+    progressDelay: 0, // must be lesser than process delay
+    enableResumableUpload: false,
+    resumableUploadOptions: {
+      fallback: null,
+      testUrl: null, // used for checking status of chunks/ files previously / partially uploaded
+      chunkSize: 2048, // in KB
+      maxThreads: 4,
+      maxRetries: 3,
+      showErrorLog: true,
+      retainErrorHistory: false, // when set to true, display complete error history always unless user explicitly resets upload
+      skipErrorsAndProceed: false, // when set to true, files with errors will be skipped and upload will continue with other files
+    },
+    uploadExtraData: {},
+    zoomModalHeight: 485, // 5px more than the default preview content heights set for text, html, pdf etc.
+    minImageWidth: null,
+    minImageHeight: null,
+    maxImageWidth: null,
+    maxImageHeight: null,
+    resizeImage: false,
+    resizePreference: "width",
+    resizeQuality: 0.92,
+    resizeDefaultImageType: "image/jpeg",
+    resizeIfSizeMoreThan: 0, // in KB
+    minFileSize: -1,
+    maxFileSize: 0,
+    maxMultipleFileSize: 0,
+    maxFilePreviewSize: 25600, // 25 MB
+    minFileCount: 0,
+    maxFileCount: 0,
+    maxTotalFileCount: 0,
+    validateInitialCount: false,
+    msgValidationErrorClass: "text-danger",
+    msgValidationErrorIcon: '<i class="glyphicon glyphicon-exclamation-sign"></i> ',
+    msgErrorClass: "file-error-message",
+    progressThumbClass: "progress-bar progress-bar-striped active progress-bar-animated",
+    progressClass: "progress-bar bg-success progress-bar-success progress-bar-striped active progress-bar-animated",
+    progressInfoClass: "progress-bar bg-info progress-bar-info progress-bar-striped active progress-bar-animated",
+    progressCompleteClass: "progress-bar bg-success progress-bar-success",
+    progressPauseClass:
+      "progress-bar bg-primary progress-bar-primary progress-bar-striped active progress-bar-animated",
+    progressErrorClass: "progress-bar bg-danger progress-bar-danger",
+    progressUploadThreshold: 99,
+    previewFileType: "image",
+    elCaptionContainer: null,
+    elCaptionText: null,
+    elPreviewContainer: null,
+    elPreviewImage: null,
+    elPreviewStatus: null,
+    elErrorContainer: null,
+    errorCloseButton: undefined,
+    slugCallback: null,
+    dropZoneEnabled: true,
+    dropZoneTitleClass: "file-drop-zone-title",
+    fileActionSettings: {},
+    otherActionButtons: "",
+    textEncoding: "UTF-8",
+    preProcessUpload: null,
+    ajaxSettings: { headers: {
+        "X-CSRF-Token": document.querySelector('meta[name="csrf-token"]').content
+    }},
+    ajaxDeleteSettings: {},
+    showAjaxErrorDetails: true,
+    mergeAjaxCallbacks: false,
+    mergeAjaxDeleteCallbacks: false,
+    retryErrorUploads: true,
+    reversePreviewOrder: false,
+    usePdfRenderer: function () {
+      var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
+      return !!navigator.userAgent.match(/(iPod|iPhone|iPad|Android)/i) || isIE11;
+    },
+    pdfRendererUrl: "",
+    pdfRendererTemplate: "<iframe " + IFRAME_ATTRIBS + "></iframe>",
+    tabIndexConfig: {
+      browse: 500,
+      remove: 500,
+      upload: 500,
+      cancel: null,
+      pause: null,
+      modal: -1,
+    },
+  };
+
+  // noinspection HtmlUnknownAttribute
+  $.fn.fileinputLocales.en = {
+    sizeUnits: ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"],
+    bitRateUnits: ["B/s", "KB/s", "MB/s", "GB/s", "TB/s", "PB/s", "EB/s", "ZB/s", "YB/s"],
+    fileSingle: "file",
+    filePlural: "files",
+    browseLabel: "Browse &hellip;",
+    removeLabel: "Remove",
+    removeTitle: "Clear all unprocessed files",
+    cancelLabel: "Cancel",
+    cancelTitle: "Abort ongoing upload",
+    pauseLabel: "Pause",
+    pauseTitle: "Pause ongoing upload",
+    uploadLabel: "Upload",
+    uploadTitle: "Upload selected files",
+    msgNo: "No",
+    msgNoFilesSelected: "No files selected",
+    msgCancelled: "Cancelled",
+    msgPaused: "Paused",
+    msgPlaceholder: "Select {files} ...",
+    msgZoomModalHeading: "Detailed Preview",
+    msgFileRequired: "You must select a file to upload.",
+    msgSizeTooSmall: 'File "{name}" (<b>{size}</b>) is too small and must be larger than <b>{minSize}</b>.',
+    msgSizeTooLarge: 'File "{name}" (<b>{size}</b>) exceeds maximum allowed upload size of <b>{maxSize}</b>.',
+    msgMultipleSizeTooLarge: 'Files "{name}" (<b>{size}</b>) exceeds maximum allowed upload size of <b>{maxSize}</b>.',
+    msgFilesTooLess: "You must select at least <b>{n}</b> {files} to upload.",
+    msgFilesTooMany: "Number of files selected for upload <b>({n})</b> exceeds maximum allowed limit of <b>{m}</b>.",
+    msgTotalFilesTooMany: "You can upload a maximum of <b>{m}</b> files (<b>{n}</b> files detected).",
+    msgFileNotFound: 'File "{name}" not found!',
+    msgFileSecured: 'Security restrictions prevent reading the file "{name}".',
+    msgFileNotReadable: 'File "{name}" is not readable.',
+    msgFilePreviewAborted: 'File preview aborted for "{name}".',
+    msgFilePreviewError: 'An error occurred while reading the file "{name}".',
+    msgInvalidFileName: 'Invalid or unsupported characters in file name "{name}".',
+    msgInvalidFileType: 'Invalid type for file "{name}". Only "{types}" files are supported.',
+    msgInvalidFileExtension: 'Invalid extension for file "{name}". Only "{extensions}" files are supported.',
+    msgFileTypes: {
+      image: "image",
+      html: "HTML",
+      text: "text",
+      video: "video",
+      audio: "audio",
+      flash: "flash",
+      pdf: "PDF",
+      object: "object",
+    },
+    msgUploadAborted: "The file upload was aborted",
+    msgUploadThreshold: "Processing &hellip;",
+    msgUploadBegin: "Initializing &hellip;",
+    msgUploadEnd: "Done",
+    msgUploadResume: "Resuming upload &hellip;",
+    msgUploadEmpty: "No valid data available for upload.",
+    msgUploadError: "Upload Error",
+    msgDeleteError: "Delete Error",
+    msgProgressError: "Error",
+    msgValidationError: "Validation Error",
+    msgLoading: "Loading file {index} of {files} &hellip;",
+    msgProgress: "Loading file {index} of {files} - {name} - {percent}% completed.",
+    msgSelected: "{n} {files} selected",
+    msgProcessing: "Processing ...",
+    msgFoldersNotAllowed: "Drag & drop files only! {n} folder(s) dropped were skipped.",
+    msgImageWidthSmall:
+      'Width of image file "{name}" must be at least <b>{size} px</b> (detected <b>{dimension} px</b>).',
+    msgImageHeightSmall:
+      'Height of image file "{name}" must be at least <b>{size} px</b> (detected <b>{dimension} px</b>).',
+    msgImageWidthLarge: 'Width of image file "{name}" cannot exceed <b>{size} px</b> (detected <b>{dimension} px</b>).',
+    msgImageHeightLarge:
+      'Height of image file "{name}" cannot exceed <b>{size} px</b> (detected <b>{dimension} px</b>).',
+    msgImageResizeError: "Could not get the image dimensions to resize.",
+    msgImageResizeException: "Error while resizing the image.<pre>{errors}</pre>",
+    msgAjaxError: "Something went wrong with the {operation} operation. Please try again later!",
+    msgAjaxProgressError: "{operation} failed",
+    msgDuplicateFile:
+      'File "{name}" of same size "{size}" has already been selected earlier. Skipping duplicate selection.',
+    msgResumableUploadRetriesExceeded:
+      "Upload aborted beyond <b>{max}</b> retries for file <b>{file}</b>! Error Details: <pre>{error}</pre>",
+    msgPendingTime: "{time} remaining",
+    msgCalculatingTime: "calculating time remaining",
+    ajaxOperations: {
+      deleteThumb: "file delete",
+      uploadThumb: "file upload",
+      uploadBatch: "batch file upload",
+      uploadExtra: "form data upload",
+    },
+    dropZoneTitle: "Drag & drop files here &hellip;",
+    dropZoneClickTitle: "<br>(or click to select {files})",
+    previewZoomButtonTitles: {
+      prev: "View previous file",
+      next: "View next file",
+      rotate: "Rotate 90 deg. clockwise",
+      toggleheader: "Toggle header",
+      fullscreen: "Toggle full screen",
+      borderless: "Toggle borderless mode",
+      close: "Close detailed preview",
+    },
+  };
+  
+  $.fn.fileinputLocales.zh = {
+    sizeUnits: ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'], 
+    bitRateUnits: ['B/s', 'KB/s', 'MB/s', 'GB/s', 'TB/s', 'PB/s', 'EB/s', 'ZB/s', 'YB/s'],
+    fileSingle: '文件',
+    filePlural: '个文件',
+    browseLabel: '选择 &hellip;',
+    removeLabel: '移除',
+    removeTitle: '清除选中文件',
+    cancelLabel: '取消',
+    cancelTitle: '取消进行中的上传',
+    pauseLabel: '暂停',
+    pauseTitle: '暂停上传',
+    uploadLabel: '上传',
+    uploadTitle: '上传选中文件',
+    msgNo: '没有',
+    msgNoFilesSelected: '未选择文件',
+    msgPaused: '已暂停',
+    msgCancelled: '取消',
+    msgPlaceholder: '选择 {files} ...',
+    msgZoomModalHeading: '详细预览',
+    msgFileRequired: '必须选择一个文件上传.',
+    msgSizeTooSmall: '文件 "{name}" (<b>{size}</b>) 必须大于限定大小 <b>{minSize}</b>.',
+    msgSizeTooLarge: '文件 "{name}" (<b>{size}</b>) 超过了允许大小 <b>{maxSize}</b>.',
+    msgMultipleSizeTooLarge: '文件 "{name}" (<b>{size}</b>) 超过了允许大小 <b>{maxSize}</b>.',
+    msgFilesTooLess: '你必须选择最少 <b>{n}</b> {files} 来上传. ',
+    msgFilesTooMany: '选择的上传文件个数 <b>({n})</b> 超出最大文件的限制个数 <b>{m}</b>.',
+    msgTotalFilesTooMany: '你最多可以上传 <b>{m}</b> 个文件 (当前有<b>{n}</b> 个文件).',
+    msgFileNotFound: '文件 "{name}" 未找到!',
+    msgFileSecured: '安全限制，为了防止读取文件 "{name}".',
+    msgFileNotReadable: '文件 "{name}" 不可读.',
+    msgFilePreviewAborted: '取消 "{name}" 的预览.',
+    msgFilePreviewError: '读取 "{name}" 时出现了一个错误.',
+    msgInvalidFileName: '文件名 "{name}" 包含非法字符.',
+    msgInvalidFileType: '不正确的类型 "{name}". 只支持 "{types}" 类型的文件.',
+    msgInvalidFileExtension: '不正确的文件扩展名 "{name}". 只支持 "{extensions}" 的文件扩展名.',
+    msgFileTypes: {
+      'image': 'image',
+      'html': 'HTML',
+      'text': 'text',
+      'video': 'video',
+      'audio': 'audio',
+      'flash': 'flash',
+      'pdf': 'PDF',
+      'object': 'object'
+    },
+    msgUploadAborted: '该文件上传被中止',
+    msgUploadThreshold: '处理中 &hellip;',
+    msgUploadBegin: '正在初始化 &hellip;',
+    msgUploadEnd: '完成',
+    msgUploadResume: '继续上传 &hellip;',
+    msgUploadEmpty: '无效的文件上传.',
+    msgUploadError: '上传出错',
+    msgDeleteError: '删除出错',
+    msgProgressError: '上传出错',
+    msgValidationError: '验证错误',
+    msgLoading: '加载第 {index} 文件 共 {files} &hellip;',
+    msgProgress: '加载第 {index} 文件 共 {files} - {name} - {percent}% 完成.',
+    msgSelected: '{n} {files} 选中',
+    msgProcessing: '处理中 ...',
+    msgFoldersNotAllowed: '只支持拖拽文件! 跳过 {n} 拖拽的文件夹.',
+    msgImageWidthSmall: '图像文件的"{name}"的宽度必须是至少{size}像素.',
+    msgImageHeightSmall: '图像文件的"{name}"的高度必须至少为{size}像素.',
+    msgImageWidthLarge: '图像文件"{name}"的宽度不能超过{size}像素.',
+    msgImageHeightLarge: '图像文件"{name}"的高度不能超过{size}像素.',
+    msgImageResizeError: '无法获取的图像尺寸调整。',
+    msgImageResizeException: '调整图像大小时发生错误。<pre>{errors}</pre>',
+    msgAjaxError: '{operation} 发生错误. 请重试!',
+    msgAjaxProgressError: '{operation} 失败',
+    msgDuplicateFile: '文件 "{name}",大小 "{size}" 已经被选中.忽略相同的文件.',
+    msgResumableUploadRetriesExceeded:  '文件 <b>{file}</b> 上传失败超过 <b>{max}</b> 次重试 ! 错误详情: <pre>{error}</pre>',
+    msgPendingTime: '{time} 剩余',
+    msgCalculatingTime: '计算剩余时间',
+    ajaxOperations: {
+      deleteThumb: '删除文件',
+      uploadThumb: '上传文件',
+      uploadBatch: '批量上传',
+      uploadExtra: '表单数据上传'
+    },
+    dropZoneTitle: '拖拽文件到这里 &hellip;<br>支持多文件同时上传',
+    dropZoneClickTitle: '<br>(或点击{files}按钮选择文件)',
+    fileActionSettings: {
+      removeTitle: '删除文件',
+      uploadTitle: '上传文件',
+      downloadTitle: '下载文件',
+      uploadRetryTitle: '重试',
+      rotateTitle: '顺时针旋转90度',
+      zoomTitle: '查看详情',
+      dragTitle: '移动 / 重置',
+      indicatorNewTitle: '没有上传',
+      indicatorSuccessTitle: '上传',
+      indicatorErrorTitle: '上传错误',
+      indicatorPausedTitle: '上传已暂停',
+      indicatorLoadingTitle:  '上传 &hellip;'
+    },
+    previewZoomButtonTitles: {
+      prev: '预览上一个文件',
+      next: '预览下一个文件',
+      rotate: '顺时针旋转90度',
+      toggleheader: '缩放',
+      fullscreen: '全屏',
+      borderless: '无边界模式',
+      close: '关闭当前预览'
+    }
+  };
+
+  $.fn.fileinput.Constructor = FileInput;
+
+  /**
+   * Convert automatically file inputs with class 'file' into a bootstrap fileinput control.
+   */
+  $(document).ready(function () {
+    var $input = $("input.file[type=file]");
+    if ($input.length) {
+      $input.fileinput();
+    }
+  });
+});

ruoyi-admin/src/main/resources/static/ajax/libs/bootstrap-fileinput/fileinput.min.css

@@ -1,5 +1,5 @@
 /*!
- * bootstrap-fileinput v5.5.2
+ * bootstrap-fileinput v5.5.4
  * http://plugins.krajee.com/file-input
  *
  * Krajee default styling for bootstrap-fileinput.

ruoyi-admin/src/main/resources/templates/include.html

@@ -109,10 +109,10 @@
 
 <!-- fileinput文件上传插件 -->
 <div th:fragment="bootstrap-fileinput-css">
-    <link th:href="@{/ajax/libs/bootstrap-fileinput/fileinput.min.css?v=5.5.2}" rel="stylesheet"/>
+    <link th:href="@{/ajax/libs/bootstrap-fileinput/fileinput.min.css?v=5.5.4}" rel="stylesheet"/>
 </div>
 <div th:fragment="bootstrap-fileinput-js">
-    <script th:src="@{/ajax/libs/bootstrap-fileinput/fileinput.min.js?v=5.5.2}"></script>
+    <script th:src="@{/ajax/libs/bootstrap-fileinput/fileinput.min.js?v=5.5.4}"></script>
 </div>
 
 <!-- duallistbox双列表框插件 -->