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preserve subtree

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mertalev 2025-07-30 20:55:48 -04:00
parent ac35678008
commit a2e5652d19
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GPG Key ID: DF6ABC77AAD98C95
1 changed files with 13 additions and 25 deletions
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38
mobile/lib/presentation/widgets/timeline/fixed/segment.model.dart
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@ -112,20 +112,9 @@ class _FixedSegmentRow extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final timelineService = ref.read(timelineServiceProvider);
if (timelineService.hasRange(assetIndex, assetCount)) {
return _buildAssetRow(context, timelineService.getAssets(assetIndex, assetCount), timelineService);
}
try {
final assets = timelineService.getAssets(assetIndex, assetCount);
return FutureBuilder<List<BaseAsset>>(
future: null,
initialData: assets,
builder: (context, snapshot) {
return _buildAssetRow(context, snapshot.data, timelineService);
},
);
return _buildAssetRow(context, assets, timelineService);
} catch (e) {
return FutureBuilder<List<BaseAsset>>(
future: timelineService.loadAssets(assetIndex, assetCount),
@ -137,22 +126,21 @@ class _FixedSegmentRow extends ConsumerWidget {
}
Widget _buildAssetRow(BuildContext context, List<BaseAsset>? assets, TimelineService timelineService) {
final assetIndex = this.assetIndex;
return FixedTimelineRow(
dimension: tileHeight,
spacing: spacing,
textDirection: Directionality.of(context),
children: [
for (int i = 0; i < assetCount; i++)
TimelineAssetIndexWrapper(
assetIndex: assetIndex + i,
segmentIndex: 0, // For simplicity, using 0 for now
child: _AssetTileWidget(
key: ValueKey(i.hashCode ^ (assetIndex + i).hashCode ^ timelineService.hashCode),
asset: assets == null ? null : assets[i],
assetIndex: assetIndex + i,
),
),
],
children: List.generate(assetCount, (i) {
final curAssetIndex = assetIndex + i;
return TimelineAssetIndexWrapper(
// this key is intentionally generic to preserve the state of the widget and its subtree
key: ValueKey(i.hashCode ^ timelineService.hashCode),
assetIndex: curAssetIndex,
segmentIndex: 0, // For simplicity, using 0 for now
child: _AssetTileWidget(asset: assets?[i], assetIndex: curAssetIndex),
);
}),
);
}
}
@ -161,7 +149,7 @@ class _AssetTileWidget extends ConsumerWidget {
final BaseAsset? asset;
final int assetIndex;
const _AssetTileWidget({super.key, required this.asset, required this.assetIndex});
const _AssetTileWidget({required this.asset, required this.assetIndex});
Future _handleOnTap(BuildContext ctx, WidgetRef ref, int assetIndex, BaseAsset asset, int? heroOffset) async {
final multiSelectState = ref.read(multiSelectProvider);