Merge remote-tracking branch 'origin/v1' into v1

# Conflicts:
#	examples/datatable2_example/src/main.py
#	src/flet_datatable2/datatable2.py
#	src/flutter/flet_datatable2/lib/src/datatable2.dart

Author: ndonkoHenri

examples/datatable2_example/pyproject.toml

@@ -3,7 +3,7 @@ name = "flet-datatable2-example"
 version = "1.0.0"
 description = ""
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 authors = [
     { name = "Flet developer", email = "you@example.com" }
 ]

examples/datatable2_example/src/main.py

@@ -8,19 +8,15 @@ def main(page: ft.Page):
     page.horizontal_alignment = ft.CrossAxisAlignment.CENTER
 
     def select_row(e: ft.ControlEvent):
+        print("on_select_row")
         e.control.selected = not e.control.selected
         e.control.update()
 
     def sort_column(e: ft.DataColumnSortEvent):
-        dt.sort_column_index = e.column_index
-        dt.sort_ascending = e.ascending
-        sorted_desserts = sorted(
-            desserts,
-            key=lambda d: getattr(d, e.control.label.value.lower()),
-            reverse=not dt.sort_ascending,
-        )
-        dt.rows = get_data_rows(sorted_desserts)
-        dt.update()
+        print(f"Sorting column {e.column_index}, ascending={e.ascending}")
+
+    def all_selected(e: ft.ControlEvent):
+        print("All selected")
 
     def get_data_columns():
         data_columns = [
@@ -100,10 +96,10 @@ def get_data_rows(desserts):
             sort_ascending=True,
             bottom_margin=10,
             min_width=600,
+            on_select_all=all_selected,
             columns=get_data_columns(),
             rows=get_data_rows(desserts),
         ),
     )
 
-
-ft.app(main)
+ft.run(main)

src/flet_datatable2/datatable2.py

@@ -144,27 +144,3 @@ class DataTable2(ft.DataTable):
     it is recommended to use a translucent color.
     """
 
-    def before_update(self):
-        super().before_update()
-        assert all(
-            isinstance(column, DataColumn2) for column in self.columns
-        ), "columns must contain only DataColumn2 instances"
-        assert all(
-            isinstance(row, DataRow2) for row in self.rows
-        ), "rows must contain only DataRow2 instances"
-        visible_columns = list(filter(lambda column: column.visible, self.columns))
-        visible_rows = list(filter(lambda row: row.visible, self.rows))
-        assert (
-            len(visible_columns) > 0
-        ), "columns must contain at minimum one visible DataColumn"
-
-        assert all(
-            len(list(filter(lambda c: c.visible, row.cells))) == len(visible_columns)
-            for row in visible_rows
-        ), f"each visible DataRow must contain exactly as many visible DataCells as there are visible DataColumns ({len(visible_columns)})"
-        assert (
-            self.divider_thickness is None or self.divider_thickness >= 0
-        ), "divider_thickness must be greater than or equal to 0"
-        assert self.sort_column_index is None or (
-            0 <= self.sort_column_index < len(visible_columns)
-        ), f"sort_column_index must be greater than or equal to 0 and less than the number of columns ({len(visible_columns)})"