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refactor: grid

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This commit is contained in:
shenlong-tanwen
2024-09-22 18:12:18 +05:30
parent e810512285
commit 9f29bce308
6 changed files with 120 additions and 98 deletions
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mobile-v2/lib/presentation/components/grid/immich_asset_grid.widget.dart
+60 -54
View File
@@ -1,5 +1,6 @@
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_list_view/flutter_list_view.dart';
import 'package:immich_mobile/domain/models/render_list.model.dart';
import 'package:immich_mobile/domain/models/render_list_element.model.dart';
import 'package:immich_mobile/presentation/components/grid/draggable_scrollbar.dart';
@@ -10,7 +11,6 @@ import 'package:immich_mobile/utils/extensions/build_context.extension.dart';
import 'package:immich_mobile/utils/extensions/color.extension.dart';
import 'package:intl/intl.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
part 'immich_asset_grid_header.widget.dart';
part 'immich_grid_asset_placeholder.widget.dart';
@@ -24,9 +24,13 @@ class ImAssetGrid extends StatefulWidget {
class _ImAssetGridState extends State<ImAssetGrid> {
bool _isDragScrolling = false;
final ItemScrollController _itemScrollController = ItemScrollController();
final ItemPositionsListener _itemPositionsListener =
ItemPositionsListener.create();
final FlutterListViewController _controller = FlutterListViewController();
@override
void dispose() {
_controller.dispose();
super.dispose();
}
void _onDragScrolling(bool isScrolling) {
if (_isDragScrolling != isScrolling) {
@@ -56,62 +60,64 @@ class _ImAssetGridState extends State<ImAssetGrid> {
BlocBuilder<ImmichAssetGridCubit, RenderList>(
builder: (_, renderList) {
final elements = renderList.elements;
final grid = ScrollablePositionedList.builder(
itemCount: elements.length,
addAutomaticKeepAlives: false,
minCacheExtent: 100,
itemPositionsListener: _itemPositionsListener,
itemScrollController: _itemScrollController,
itemBuilder: (_, sectionIndex) {
final section = elements[sectionIndex];
final grid = FlutterListView(
controller: _controller,
delegate: FlutterListViewDelegate(
(_, sectionIndex) {
// ignore: avoid-unsafe-collection-methods
final section = elements[sectionIndex];
return switch (section) {
RenderListMonthHeaderElement() =>
_MonthHeader(text: section.header),
RenderListDayHeaderElement() => Text(section.header),
RenderListAssetElement() => FutureBuilder(
future: context.read<ImmichAssetGridCubit>().loadAssets(
section.assetOffset,
section.assetCount,
),
builder: (_, assetsSnap) {
final assets = assetsSnap.data;
return GridView.builder(
physics: const NeverScrollableScrollPhysics(),
shrinkWrap: true,
addAutomaticKeepAlives: false,
cacheExtent: 100,
gridDelegate:
const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 4,
mainAxisSpacing: 3,
crossAxisSpacing: 3,
),
itemBuilder: (_, i) {
final asset = assetsSnap.isWaiting || assets == null
? null
: assets.elementAtOrNull(i);
return SizedBox.square(
dimension: 200,
// Show Placeholder when drag scrolled
child: asset == null || _isDragScrolling
? const _ImImagePlaceholder()
: ImImage(asset),
);
},
itemCount: section.assetCount,
);
},
),
};
},
return switch (section) {
RenderListMonthHeaderElement() =>
_MonthHeader(text: section.header),
RenderListDayHeaderElement() => Text(section.header),
RenderListAssetElement() => FutureBuilder(
future: context.read<ImmichAssetGridCubit>().loadAssets(
section.assetOffset,
section.assetCount,
),
builder: (_, assetsSnap) {
final assets = assetsSnap.data;
return GridView.builder(
physics: const NeverScrollableScrollPhysics(),
shrinkWrap: true,
addAutomaticKeepAlives: false,
cacheExtent: 100,
gridDelegate:
const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 4,
mainAxisSpacing: 3,
crossAxisSpacing: 3,
),
itemBuilder: (_, i) {
final asset = assetsSnap.isWaiting || assets == null
? null
: assets.elementAtOrNull(i);
return SizedBox.square(
dimension: 200,
// Show Placeholder when drag scrolled
child: asset == null || _isDragScrolling
? const _ImImagePlaceholder()
: ImImage(asset),
);
},
itemCount: section.assetCount,
);
},
),
};
},
childCount: elements.length,
addAutomaticKeepAlives: false,
),
);
return DraggableScrollbar(
foregroundColor: context.colorScheme.onSurface,
backgroundColor: context.colorScheme.surfaceContainerHighest,
scrollStateListener: _onDragScrolling,
itemPositionsListener: _itemPositionsListener,
controller: _itemScrollController,
controller: _controller,
maxItemCount: elements.length,
labelTextBuilder: (int position) =>
_labelBuilder(elements, position),
labelConstraints: const BoxConstraints(maxHeight: 36),