Merge pull request #2132 from steweg/feature/enhanced_table_api

Enhancing API of table element

nicegui/elements/table.py

@@ -196,6 +196,17 @@ class Table(FilterElement, component='table.js'):
         self.selected[:] = [row for row in self.selected if row[self.row_key] not in keys]
         self.update()
 
+    def update_rows(self, rows: List[Dict], *, clear_selection: bool = True) -> None:
+        """Update rows in the table.
+
+        :param rows: list of rows to update
+        :param clear_selection: whether to clear the selection (default: True)
+        """
+        self.rows[:] = rows
+        if clear_selection:
+            self.selected.clear()
+        self.update()
+
     class row(Element):
 
         def __init__(self) -> None:

tests/test_table.py

@@ -145,22 +145,32 @@ def test_remove_selection(screen: Screen):
 def test_replace_rows(screen: Screen):
     t = ui.table(columns=columns(), rows=rows())
 
-    def replace_rows():
+    def replace_rows_with_carol():
         t.rows = [{'id': 3, 'name': 'Carol', 'age': 32}]
-    ui.button('Replace rows', on_click=replace_rows)
+
+    def replace_rows_with_daniel():
+        t.update_rows([{'id': 4, 'name': 'Daniel', 'age': 33}])
+
+    ui.button('Replace rows with C.', on_click=replace_rows_with_carol)
+    ui.button('Replace rows with D.', on_click=replace_rows_with_daniel)
 
     screen.open('/')
     screen.should_contain('Alice')
     screen.should_contain('Bob')
     screen.should_contain('Lionel')
 
-    screen.click('Replace rows')
+    screen.click('Replace rows with C.')
     screen.wait(0.5)
     screen.should_not_contain('Alice')
     screen.should_not_contain('Bob')
     screen.should_not_contain('Lionel')
     screen.should_contain('Carol')
 
+    screen.click('Replace rows with D.')
+    screen.wait(0.5)
+    screen.should_not_contain('Carol')
+    screen.should_contain('Daniel')
+
 
 def test_create_from_pandas(screen: Screen):
     df = pd.DataFrame({'name': ['Alice', 'Bob'], 'age': [18, 21], 42: 'answer'})