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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| // Copyright 2019 The FlutterCandies author. All rights reserved. | ||
| // Use of this source code is governed by an Apache license that can be found | ||
| // in the LICENSE file. | ||
|
|
||
| import 'package:flutter/material.dart'; | ||
| import 'package:wechat_camera_picker/wechat_camera_picker.dart'; | ||
|
|
||
| import '../extensions/l10n_extensions.dart'; | ||
| import 'asset_widget_builder.dart'; | ||
| import 'preview_asset_widget.dart'; | ||
|
|
||
| class SelectedAssetsListView extends StatelessWidget { | ||
| const SelectedAssetsListView({ | ||
| super.key, | ||
| required this.assets, | ||
| required this.isDisplayingDetail, | ||
| required this.onRemoveAsset, | ||
| }); | ||
|
|
||
| final List<AssetEntity> assets; | ||
| final ValueNotifier<bool> isDisplayingDetail; | ||
| final void Function(int index) onRemoveAsset; | ||
|
|
||
| Widget _selectedAssetWidget(BuildContext context, int index) { | ||
| final AssetEntity asset = assets.elementAt(index); | ||
| return ValueListenableBuilder<bool>( | ||
| valueListenable: isDisplayingDetail, | ||
| builder: (_, bool value, __) => GestureDetector( | ||
| onTap: () async { | ||
| if (value) { | ||
| showDialog( | ||
| context: context, | ||
| builder: (BuildContext context) => GestureDetector( | ||
| onTap: Navigator.of(context).pop, | ||
| child: Center(child: PreviewAssetWidget(asset)), | ||
| ), | ||
| ); | ||
| } | ||
| }, | ||
| child: RepaintBoundary( | ||
| child: ClipRRect( | ||
| borderRadius: BorderRadius.circular(8.0), | ||
| child: AssetWidgetBuilder( | ||
| entity: asset, | ||
| isDisplayingDetail: value, | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| Widget _selectedAssetDeleteButton(BuildContext context, int index) { | ||
| return GestureDetector( | ||
| onTap: () => onRemoveAsset(index), | ||
| child: DecoratedBox( | ||
| decoration: BoxDecoration( | ||
| borderRadius: BorderRadius.circular(4.0), | ||
| color: Theme.of(context).canvasColor.withOpacity(0.5), | ||
| ), | ||
| child: const Icon(Icons.close, size: 18.0), | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| Widget selectedAssetsListView(BuildContext context) { | ||
| return Expanded( | ||
| child: ListView.builder( | ||
| shrinkWrap: true, | ||
| physics: const BouncingScrollPhysics(), | ||
| padding: const EdgeInsets.symmetric(horizontal: 8.0), | ||
| scrollDirection: Axis.horizontal, | ||
| itemCount: assets.length, | ||
| itemBuilder: (BuildContext context, int index) { | ||
| return Padding( | ||
| padding: const EdgeInsets.symmetric( | ||
| horizontal: 8.0, | ||
| vertical: 16.0, | ||
| ), | ||
| child: AspectRatio( | ||
| aspectRatio: 1.0, | ||
| child: Stack( | ||
| children: <Widget>[ | ||
| Positioned.fill(child: _selectedAssetWidget(context, index)), | ||
| ValueListenableBuilder<bool>( | ||
| valueListenable: isDisplayingDetail, | ||
| builder: (_, bool value, __) => AnimatedPositioned( | ||
| duration: kThemeAnimationDuration, | ||
| top: value ? 6.0 : -30.0, | ||
| right: value ? 6.0 : -30.0, | ||
| child: _selectedAssetDeleteButton(context, index), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return ValueListenableBuilder<bool>( | ||
| valueListenable: isDisplayingDetail, | ||
| builder: (_, bool value, __) => AnimatedContainer( | ||
| duration: kThemeChangeDuration, | ||
| curve: Curves.easeInOut, | ||
| height: assets.isNotEmpty | ||
| ? value | ||
| ? 120.0 | ||
| : 80.0 | ||
| : 40.0, | ||
| child: Column( | ||
| children: <Widget>[ | ||
| SizedBox( | ||
| height: 20.0, | ||
| child: GestureDetector( | ||
| onTap: () { | ||
| if (assets.isNotEmpty) { | ||
| isDisplayingDetail.value = !isDisplayingDetail.value; | ||
| } | ||
| }, | ||
| child: Row( | ||
| mainAxisSize: MainAxisSize.min, | ||
| children: <Widget>[ | ||
| Text(context.l10n.selectedAssetsText), | ||
| if (assets.isNotEmpty) | ||
| Padding( | ||
| padding: const EdgeInsetsDirectional.only(start: 10.0), | ||
| child: Icon( | ||
| value ? Icons.arrow_downward : Icons.arrow_upward, | ||
| size: 18.0, | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| selectedAssetsListView(context), | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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