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✨ Support Multiple Special Items #635

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✨ Support Multiple Special Items #635

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bebceb8
✨ Support multiple special items.
yujunetee Sep 27, 2024
bab2c0d
Add permission state in special item builder.
yujunetee Oct 10, 2024
eee1d58
Add specialItem count instead of hardcoded 1.
yujunetee Oct 16, 2024
2575aa3
Update example/lib/customs/pickers/directory_file_asset_picker.dart
yujune Oct 16, 2024
84fee2a
Move out SpecialItemModel from typedefs.
yujunetee Oct 16, 2024
1732cfe
Update lib/src/delegates/asset_picker_builder_delegate.dart
yujune Oct 16, 2024
105abcf
Update lib/src/delegates/asset_picker_builder_delegate.dart
yujune Oct 16, 2024
368afc6
Update lib/src/delegates/asset_picker_builder_delegate.dart
yujune Oct 16, 2024
223e0da
Remove redundant codes.
yujunetee Oct 16, 2024
929fae5
Remove incorrect -1 logic.
yujunetee Oct 16, 2024
412ad3b
Remove redundant checking.
yujunetee Oct 16, 2024
357e94c
Add appendSpecialItems.
yujunetee Oct 16, 2024
10ea035
Update lib/src/delegates/asset_picker_builder_delegate.dart
yujune Oct 16, 2024
df3a176
Move _SpecialItemModel to top.
yujunetee Oct 16, 2024
c317599
Fix wrong special item calculation and naming.
yujunetee Oct 17, 2024
6bb5118
Add null builder in example.
yujunetee Oct 17, 2024
eba2710
Rename SpecialItemResult ot SpecialItemModel.
yujunetee Oct 20, 2024
b1db752
Use specialItemModels as args.
yujunetee Oct 20, 2024
054752c
Remove shouldBuildSpecialItem.
yujunetee Nov 11, 2024
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3 changes: 1 addition & 2 deletions README-ZH.md
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Original file line number Diff line number Diff line change
Expand Up @@ -295,8 +295,7 @@ final List<AssetEntity>? result = await AssetPicker.pickAssets(
| themeColor | `Color?` | 选择器的主题色 | `Color(0xff00bc56)` |
| pickerTheme | `ThemeData?` | 选择器的主题提供，包括查看器 | `null` |
| textDelegate | `AssetPickerTextDelegate?` | 选择器的文本代理构建，用于自定义文本 | `AssetPickerTextDelegate()` |
| specialItemPosition | `SpecialItemPosition` | 允许用户在选择器中添加一个自定义item，并指定位置。 | `SpecialPosition.none` |
| specialItemBuilder | `SpecialItemBuilder?` | 自定义item的构造方法 | `null` |
| specialItems | `List<SpecialItem>` | 自定义item列表 | `const []` |
| loadingIndicatorBuilder | `IndicatorBuilder?` | 加载器的实现 | `null` |
| selectPredicate | `AssetSelectPredicate` | 判断资源可否被选择 | `null` |
| shouldRevertGrid | `bool?` | 判断资源网格是否需要倒序排列 | `null` |
Expand Down
3 changes: 1 addition & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -304,8 +304,7 @@ Fields in `AssetPickerConfig`:
| themeColor | `Color?` | Main theme color for the picker. | `Color(0xff00bc56)` |
| pickerTheme | `ThemeData?` | Theme data provider for the picker and the viewer. | `null` |
| textDelegate | `AssetPickerTextDelegate?` | Text delegate for the picker, for customize the texts. | `AssetPickerTextDelegate()` |
| specialItemPosition | `SpecialItemPosition` | Allow users set a special item in the picker with several positions. | `SpecialItemPosition.none` |
| specialItemBuilder | `SpecialItemBuilder?` | The widget builder for the special item. | `null` |
| specialItems | `List<SpecialItem>` | List of special items. | `const []` |
| loadingIndicatorBuilder | `IndicatorBuilder?` | Indicates the loading status for the builder. | `null` |
| selectPredicate | `AssetSelectPredicate` | Predicate whether an asset can be selected or unselected. | `null` |
| shouldRevertGrid | `bool?` | Whether the assets grid should revert. | `null` |
Expand Down
256 changes: 172 additions & 84 deletions example/lib/constants/picker_method.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -135,39 +135,45 @@ class PickMethod {
pickerConfig: AssetPickerConfig(
maxAssets: maxAssetsCount,
selectedAssets: assets,
specialItemPosition: SpecialItemPosition.prepend,
specialItemBuilder: (
BuildContext context,
AssetPathEntity? path,
int length,
) {
if (path?.isAll != true) {
return null;
}
return Semantics(
label: textDelegate.sActionUseCameraHint,
button: true,
onTapHint: textDelegate.sActionUseCameraHint,
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () async {
Feedback.forTap(context);
final AssetEntity? result = await _pickFromCamera(context);
if (result != null) {
handleResult(context, result);
}
},
child: Container(
padding: const EdgeInsets.all(28.0),
color: Theme.of(context).dividerColor,
child: const FittedBox(
fit: BoxFit.fill,
child: Icon(Icons.camera_enhance),
specialItems: [
SpecialItem(
position: SpecialItemPosition.prepend,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
if (path?.isAll != true) {
return null;
}
return Semantics(
label: textDelegate.sActionUseCameraHint,
button: true,
onTapHint: textDelegate.sActionUseCameraHint,
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () async {
Feedback.forTap(context);
final AssetEntity? result =
await _pickFromCamera(context);
if (result != null) {
handleResult(context, result);
}
},
child: Container(
padding: const EdgeInsets.all(28.0),
color: Theme.of(context).dividerColor,
child: const FittedBox(
fit: BoxFit.fill,
child: Icon(Icons.camera_enhance),
),
),
),
),
),
);
},
);
},
),
],
),
);
},
Expand All @@ -186,50 +192,56 @@ class PickMethod {
pickerConfig: AssetPickerConfig(
maxAssets: maxAssetsCount,
selectedAssets: assets,
specialItemPosition: SpecialItemPosition.prepend,
specialItemBuilder: (
BuildContext context,
AssetPathEntity? path,
int length,
) {
if (path?.isAll != true) {
return null;
}
return Semantics(
label: textDelegate.sActionUseCameraHint,
button: true,
onTapHint: textDelegate.sActionUseCameraHint,
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () async {
final AssetEntity? result = await _pickFromCamera(context);
if (result == null) {
return;
}
final picker = context.findAncestorWidgetOfExactType<
AssetPicker<AssetEntity, AssetPathEntity>>()!;
final builder =
picker.builder as DefaultAssetPickerBuilderDelegate;
final p = builder.provider;
await p.switchPath(
PathWrapper<AssetPathEntity>(
path:
await p.currentPath!.path.obtainForNewProperties(),
specialItems: [
SpecialItem(
position: SpecialItemPosition.prepend,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
if (path?.isAll != true) {
return null;
}
return Semantics(
label: textDelegate.sActionUseCameraHint,
button: true,
onTapHint: textDelegate.sActionUseCameraHint,
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () async {
final AssetEntity? result =
await _pickFromCamera(context);
if (result == null) {
return;
}
final picker = context.findAncestorWidgetOfExactType<
AssetPicker<AssetEntity, AssetPathEntity>>()!;
final builder =
picker.builder as DefaultAssetPickerBuilderDelegate;
final p = builder.provider;
await p.switchPath(
PathWrapper<AssetPathEntity>(
path: await p.currentPath!.path
.obtainForNewProperties(),
),
);
p.selectAsset(result);
},
child: Container(
padding: const EdgeInsets.all(28.0),
color: Theme.of(context).dividerColor,
child: const FittedBox(
fit: BoxFit.fill,
child: Icon(Icons.camera_enhance),
),
),
);
p.selectAsset(result);
},
child: Container(
padding: const EdgeInsets.all(28.0),
color: Theme.of(context).dividerColor,
child: const FittedBox(
fit: BoxFit.fill,
child: Icon(Icons.camera_enhance),
),
),
),
);
},
);
},
),
],
),
);
},
Expand Down Expand Up @@ -295,16 +307,92 @@ class PickMethod {
pickerConfig: AssetPickerConfig(
maxAssets: maxAssetsCount,
selectedAssets: assets,
specialItemPosition: SpecialItemPosition.prepend,
specialItemBuilder: (
BuildContext context,
AssetPathEntity? path,
int length,
) {
return const Center(
child: Text('Custom Widget', textAlign: TextAlign.center),
);
},
specialItems: [
SpecialItem(
position: SpecialItemPosition.prepend,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
return const Center(
child: Text('Custom Widget', textAlign: TextAlign.center),
);
},
),
],
),
);
},
);
}

factory PickMethod.multiSpecialItems(
BuildContext context,
int maxAssetsCount,
) {
return PickMethod(
icon: '💡',
name: context.l10n.pickMethodMultiSpecialItemsName,
description: context.l10n.pickMethodMultiSpecialItemsDescription,
method: (BuildContext context, List<AssetEntity> assets) {
return AssetPicker.pickAssets(
context,
pickerConfig: AssetPickerConfig(
maxAssets: maxAssetsCount,
selectedAssets: assets,
specialItems: [
SpecialItem(
position: SpecialItemPosition.prepend,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
return const Center(
child: Text('Prepand Widget', textAlign: TextAlign.center),
);
},
),
SpecialItem(
position: SpecialItemPosition.append,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
return const Center(
child: Text('Append Widget', textAlign: TextAlign.center),
);
},
),
//builder which return null will not be shown.
SpecialItem(
position: SpecialItemPosition.append,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
return null;
},
),
SpecialItem(
position: SpecialItemPosition.prepend,
builder: (
BuildContext context,
AssetPathEntity? path,
int length,
PermissionState permissionState,
) {
return null;
},
),
],
),
);
},
Expand Down
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