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28 changes: 28 additions & 0 deletions
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packages/flutter_hooks/lib/src/expansion_tile_controller.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| part of 'hooks.dart'; | ||
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| /// Creates a [ExpansionTileController] that will be disposed automatically. | ||
| /// | ||
| /// See also: | ||
| /// - [ExpansionTileController] | ||
| ExpansionTileController useExpansionTileController({List<Object?>? keys}) { | ||
| return use(_ExpansionTileControllerHook(keys: keys)); | ||
| } | ||
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| class _ExpansionTileControllerHook extends Hook<ExpansionTileController> { | ||
| const _ExpansionTileControllerHook({List<Object?>? keys}) : super(keys: keys); | ||
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| @override | ||
| HookState<ExpansionTileController, Hook<ExpansionTileController>> | ||
| createState() => _ExpansionTileControllerHookState(); | ||
| } | ||
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| class _ExpansionTileControllerHookState | ||
| extends HookState<ExpansionTileController, _ExpansionTileControllerHook> { | ||
| final controller = ExpansionTileController(); | ||
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| @override | ||
| String get debugLabel => 'useExpansionTileController'; | ||
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| @override | ||
| ExpansionTileController build(BuildContext context) => controller; | ||
| } |
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82
packages/flutter_hooks/test/use_expansion_tile_controller_test.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| import 'package:flutter/foundation.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_hooks/src/framework.dart'; | ||
| import 'package:flutter_hooks/src/hooks.dart'; | ||
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| import 'mock.dart'; | ||
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| void main() { | ||
| testWidgets('debugFillProperties', (tester) async { | ||
| await tester.pumpWidget( | ||
| HookBuilder(builder: (context) { | ||
| useExpansionTileController(); | ||
| return const SizedBox(); | ||
| }), | ||
| ); | ||
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| await tester.pump(); | ||
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| final element = tester.element(find.byType(HookBuilder)); | ||
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| expect( | ||
| element | ||
| .toDiagnosticsNode(style: DiagnosticsTreeStyle.offstage) | ||
| .toStringDeep(), | ||
| equalsIgnoringHashCodes( | ||
| 'HookBuilder\n' | ||
| " │ useExpansionTileController: Instance of 'ExpansionTileController'\n" | ||
| ' └SizedBox(renderObject: RenderConstrainedBox#00000)\n', | ||
| ), | ||
| ); | ||
| }); | ||
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| group('useExpansionTileController', () { | ||
| testWidgets('initial values matches with real constructor', (tester) async { | ||
| late ExpansionTileController controller; | ||
| final controller2 = ExpansionTileController(); | ||
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| await tester.pumpWidget(MaterialApp( | ||
| home: Scaffold( | ||
| body: HookBuilder(builder: (context) { | ||
| controller = useExpansionTileController(); | ||
| return Column( | ||
| children: [ | ||
| ExpansionTile( | ||
| controller: controller, | ||
| title: const Text('Expansion Tile'), | ||
| ), | ||
| ExpansionTile( | ||
| controller: controller2, | ||
| title: const Text('Expansion Tile 2'), | ||
| ), | ||
| ], | ||
| ); | ||
| }), | ||
| ), | ||
| )); | ||
| expect(controller, isA<ExpansionTileController>()); | ||
| expect(controller.isExpanded, controller2.isExpanded); | ||
| }); | ||
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| testWidgets('check expansion/collapse of tile', (tester) async { | ||
| late ExpansionTileController controller; | ||
| await tester.pumpWidget(MaterialApp( | ||
| home: Scaffold( | ||
| body: HookBuilder(builder: (context) { | ||
| controller = useExpansionTileController(); | ||
| return ExpansionTile( | ||
| controller: controller, | ||
| title: const Text('Expansion Tile'), | ||
| ); | ||
| }), | ||
| ), | ||
| )); | ||
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| expect(controller.isExpanded, false); | ||
| controller.expand(); | ||
| expect(controller.isExpanded, true); | ||
| controller.collapse(); | ||
| expect(controller.isExpanded, false); | ||
| }); | ||
| }); | ||
| } |