| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:flutter/material.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| void onPressed(TestMenu item) {} |
| |
| Finder findMenuPanels(Axis orientation) { |
| return find.byWidgetPredicate((Widget widget) { |
| // ignore: avoid_dynamic_calls |
| return widget.runtimeType.toString() == '_MenuPanel' && (widget as dynamic).orientation == orientation; |
| }); |
| } |
| |
| Finder findMenuBarPanel() { |
| return findMenuPanels(Axis.horizontal); |
| } |
| |
| Finder findSubmenuPanel() { |
| return findMenuPanels(Axis.vertical); |
| } |
| |
| Finder findSubMenuItem() { |
| return find.descendant(of: findSubmenuPanel().last, matching: find.byType(MenuItemButton)); |
| } |
| |
| Material getMenuBarPanelMaterial(WidgetTester tester) { |
| return tester.widget<Material>(find.descendant(of: findMenuBarPanel(), matching: find.byType(Material)).first); |
| } |
| |
| Material getSubmenuPanelMaterial(WidgetTester tester) { |
| return tester.widget<Material>(find.descendant(of: findSubmenuPanel(), matching: find.byType(Material)).first); |
| } |
| |
| DefaultTextStyle getLabelStyle(WidgetTester tester, String labelText) { |
| return tester.widget<DefaultTextStyle>( |
| find |
| .ancestor( |
| of: find.text(labelText), |
| matching: find.byType(DefaultTextStyle), |
| ) |
| .first, |
| ); |
| } |
| |
| testWidgets('theme is honored', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Material( |
| child: Builder(builder: (BuildContext context) { |
| return MenuTheme( |
| data: const MenuThemeData( |
| style: MenuStyle( |
| backgroundColor: MaterialStatePropertyAll<Color?>(Colors.green), |
| elevation: MaterialStatePropertyAll<double?>(20.0), |
| ), |
| ), |
| child: MenuBarTheme( |
| data: const MenuBarThemeData( |
| style: MenuStyle( |
| backgroundColor: MaterialStatePropertyAll<Color?>(Colors.red), |
| elevation: MaterialStatePropertyAll<double?>(15.0), |
| shape: MaterialStatePropertyAll<OutlinedBorder?>(StadiumBorder()), |
| padding: MaterialStatePropertyAll<EdgeInsetsGeometry>( |
| EdgeInsetsDirectional.all(10.0), |
| ), |
| ), |
| ), |
| child: Column( |
| children: <Widget>[ |
| MenuBar( |
| children: createTestMenus(onPressed: onPressed), |
| ), |
| const Expanded(child: Placeholder()), |
| ], |
| ), |
| ), |
| ); |
| }), |
| ), |
| ), |
| ); |
| |
| // Open a test menu. |
| await tester.tap(find.text(TestMenu.mainMenu1.label)); |
| await tester.pump(); |
| expect(tester.getRect(findMenuBarPanel().first), equals(const Rect.fromLTRB(228.0, 0.0, 572.0, 68.0))); |
| final Material menuBarMaterial = getMenuBarPanelMaterial(tester); |
| expect(menuBarMaterial.elevation, equals(15)); |
| expect(menuBarMaterial.color, equals(Colors.red)); |
| |
| final Material subMenuMaterial = getSubmenuPanelMaterial(tester); |
| expect(tester.getRect(findSubmenuPanel()), equals(const Rect.fromLTRB(346.0, 58.0, 560.0, 218.0))); |
| expect(subMenuMaterial.elevation, equals(20)); |
| expect(subMenuMaterial.color, equals(Colors.green)); |
| }); |
| |
| testWidgets('Constructor parameters override theme parameters', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Material( |
| child: Builder( |
| builder: (BuildContext context) { |
| return MenuTheme( |
| data: const MenuThemeData( |
| style: MenuStyle( |
| backgroundColor: MaterialStatePropertyAll<Color?>(Colors.green), |
| elevation: MaterialStatePropertyAll<double?>(20.0), |
| ), |
| ), |
| child: MenuBarTheme( |
| data: const MenuBarThemeData( |
| style: MenuStyle( |
| backgroundColor: MaterialStatePropertyAll<Color?>(Colors.red), |
| elevation: MaterialStatePropertyAll<double?>(15.0), |
| shape: MaterialStatePropertyAll<OutlinedBorder?>(StadiumBorder()), |
| padding: MaterialStatePropertyAll<EdgeInsetsGeometry>( |
| EdgeInsetsDirectional.all(10.0), |
| ), |
| ), |
| ), |
| child: Column( |
| children: <Widget>[ |
| MenuBar( |
| style: const MenuStyle( |
| backgroundColor: MaterialStatePropertyAll<Color?>(Colors.blue), |
| elevation: MaterialStatePropertyAll<double?>(10.0), |
| padding: MaterialStatePropertyAll<EdgeInsetsGeometry>( |
| EdgeInsetsDirectional.all(12.0), |
| ), |
| ), |
| children: createTestMenus( |
| onPressed: onPressed, |
| menuBackground: Colors.cyan, |
| menuElevation: 18.0, |
| menuPadding: const EdgeInsetsDirectional.all(14.0), |
| menuShape: const BeveledRectangleBorder(), |
| itemBackground: Colors.amber, |
| itemForeground: Colors.grey, |
| itemOverlay: Colors.blueGrey, |
| itemPadding: const EdgeInsetsDirectional.all(11.0), |
| itemShape: const StadiumBorder(), |
| ), |
| ), |
| const Expanded(child: Placeholder()), |
| ], |
| ), |
| ), |
| ); |
| }, |
| ), |
| ), |
| ), |
| ); |
| |
| // Open a test menu. |
| await tester.tap(find.text(TestMenu.mainMenu1.label)); |
| await tester.pump(); |
| |
| expect(tester.getRect(findMenuBarPanel().first), equals(const Rect.fromLTRB(226.0, 0.0, 574.0, 72.0))); |
| final Material menuBarMaterial = getMenuBarPanelMaterial(tester); |
| expect(menuBarMaterial.elevation, equals(10.0)); |
| expect(menuBarMaterial.color, equals(Colors.blue)); |
| |
| final Material subMenuMaterial = getSubmenuPanelMaterial(tester); |
| expect(tester.getRect(findSubmenuPanel()), equals(const Rect.fromLTRB(332.0, 60.0, 574.0, 232.0))); |
| expect(subMenuMaterial.elevation, equals(18)); |
| expect(subMenuMaterial.color, equals(Colors.cyan)); |
| expect(subMenuMaterial.shape, equals(const BeveledRectangleBorder())); |
| |
| final Finder menuItem = findSubMenuItem(); |
| expect(tester.getRect(menuItem.first), equals(const Rect.fromLTRB(346.0, 74.0, 560.0, 122.0))); |
| final Material menuItemMaterial = tester.widget<Material>( |
| find.ancestor(of: find.text(TestMenu.subMenu10.label), matching: find.byType(Material)).first); |
| expect(menuItemMaterial.color, equals(Colors.amber)); |
| expect(menuItemMaterial.elevation, equals(0.0)); |
| expect(menuItemMaterial.shape, equals(const StadiumBorder())); |
| expect(getLabelStyle(tester, TestMenu.subMenu10.label).style.color, equals(Colors.grey)); |
| final ButtonStyle? textButtonStyle = tester |
| .widget<TextButton>(find |
| .ancestor( |
| of: find.text(TestMenu.subMenu10.label), |
| matching: find.byType(TextButton), |
| ) |
| .first) |
| .style; |
| expect(textButtonStyle?.overlayColor?.resolve(<MaterialState>{MaterialState.hovered}), equals(Colors.blueGrey)); |
| }); |
| } |
| |
| List<Widget> createTestMenus({ |
| void Function(TestMenu)? onPressed, |
| void Function(TestMenu)? onOpen, |
| void Function(TestMenu)? onClose, |
| Map<TestMenu, MenuSerializableShortcut> shortcuts = const <TestMenu, MenuSerializableShortcut>{}, |
| bool includeStandard = false, |
| Color? itemOverlay, |
| Color? itemBackground, |
| Color? itemForeground, |
| EdgeInsetsDirectional? itemPadding, |
| Color? menuBackground, |
| EdgeInsetsDirectional? menuPadding, |
| OutlinedBorder? menuShape, |
| double? menuElevation, |
| OutlinedBorder? itemShape, |
| }) { |
| final MenuStyle menuStyle = MenuStyle( |
| padding: menuPadding != null ? MaterialStatePropertyAll<EdgeInsetsGeometry>(menuPadding) : null, |
| backgroundColor: menuBackground != null ? MaterialStatePropertyAll<Color>(menuBackground) : null, |
| elevation: menuElevation != null ? MaterialStatePropertyAll<double>(menuElevation) : null, |
| shape: menuShape != null ? MaterialStatePropertyAll<OutlinedBorder>(menuShape) : null, |
| ); |
| final ButtonStyle itemStyle = ButtonStyle( |
| padding: itemPadding != null ? MaterialStatePropertyAll<EdgeInsetsGeometry>(itemPadding) : null, |
| shape: itemShape != null ? MaterialStatePropertyAll<OutlinedBorder>(itemShape) : null, |
| foregroundColor: itemForeground != null ? MaterialStatePropertyAll<Color>(itemForeground) : null, |
| backgroundColor: itemBackground != null ? MaterialStatePropertyAll<Color>(itemBackground) : null, |
| overlayColor: itemOverlay != null ? MaterialStatePropertyAll<Color>(itemOverlay) : null, |
| ); |
| final List<Widget> result = <Widget>[ |
| SubmenuButton( |
| onOpen: onOpen != null ? () => onOpen(TestMenu.mainMenu0) : null, |
| onClose: onClose != null ? () => onClose(TestMenu.mainMenu0) : null, |
| menuChildren: <Widget>[ |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subMenu00) : null, |
| shortcut: shortcuts[TestMenu.subMenu00], |
| child: Text(TestMenu.subMenu00.label), |
| ), |
| ], |
| child: Text(TestMenu.mainMenu0.label), |
| ), |
| SubmenuButton( |
| onOpen: onOpen != null ? () => onOpen(TestMenu.mainMenu1) : null, |
| onClose: onClose != null ? () => onClose(TestMenu.mainMenu1) : null, |
| menuStyle: menuStyle, |
| menuChildren: <Widget>[ |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subMenu10) : null, |
| shortcut: shortcuts[TestMenu.subMenu10], |
| style: itemStyle, |
| child: Text(TestMenu.subMenu10.label), |
| ), |
| SubmenuButton( |
| onOpen: onOpen != null ? () => onOpen(TestMenu.subMenu11) : null, |
| onClose: onClose != null ? () => onClose(TestMenu.subMenu11) : null, |
| menuChildren: <Widget>[ |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subSubMenu110) : null, |
| shortcut: shortcuts[TestMenu.subSubMenu110], |
| child: Text(TestMenu.subSubMenu110.label), |
| ), |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subSubMenu111) : null, |
| shortcut: shortcuts[TestMenu.subSubMenu111], |
| child: Text(TestMenu.subSubMenu111.label), |
| ), |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subSubMenu112) : null, |
| shortcut: shortcuts[TestMenu.subSubMenu112], |
| child: Text(TestMenu.subSubMenu112.label), |
| ), |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subSubMenu113) : null, |
| shortcut: shortcuts[TestMenu.subSubMenu113], |
| child: Text(TestMenu.subSubMenu113.label), |
| ), |
| ], |
| child: Text(TestMenu.subMenu11.label), |
| ), |
| MenuItemButton( |
| onPressed: onPressed != null ? () => onPressed(TestMenu.subMenu12) : null, |
| shortcut: shortcuts[TestMenu.subMenu12], |
| child: Text(TestMenu.subMenu12.label), |
| ), |
| ], |
| child: Text(TestMenu.mainMenu1.label), |
| ), |
| SubmenuButton( |
| onOpen: onOpen != null ? () => onOpen(TestMenu.mainMenu2) : null, |
| onClose: onClose != null ? () => onClose(TestMenu.mainMenu2) : null, |
| menuChildren: <Widget>[ |
| MenuItemButton( |
| // Always disabled. |
| shortcut: shortcuts[TestMenu.subMenu20], |
| // Always disabled. |
| child: Text(TestMenu.subMenu20.label), |
| ), |
| ], |
| child: Text(TestMenu.mainMenu2.label), |
| ), |
| ]; |
| return result; |
| } |
| |
| enum TestMenu { |
| mainMenu0('Menu 0'), |
| mainMenu1('Menu 1'), |
| mainMenu2('Menu 2'), |
| subMenu00('Sub Menu 00'), |
| subMenu10('Sub Menu 10'), |
| subMenu11('Sub Menu 11'), |
| subMenu12('Sub Menu 12'), |
| subMenu20('Sub Menu 20'), |
| subSubMenu110('Sub Sub Menu 110'), |
| subSubMenu111('Sub Sub Menu 111'), |
| subSubMenu112('Sub Sub Menu 112'), |
| subSubMenu113('Sub Sub Menu 113'); |
| |
| const TestMenu(this.label); |
| final String label; |
| } |
