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Enhance DragTarget logic in CommunityStructureCanvas by refining conditions for rendering and improving readability. Ensure proper handling of dragged data and its parent/community relationships.

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This commit is contained in:
Faris Armoush
2025-07-22 09:37:31 +03:00
parent 9d60f913eb
commit 60b8ee8b50
1 changed files with 21 additions and 6 deletions
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27
lib/pages/space_management_v2/main_module/widgets/community_structure_canvas.dart
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@ -425,17 +425,29 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
height: _cardHeight, height: _cardHeight,
child: DragTarget<SpaceReorderDataModel>( child: DragTarget<SpaceReorderDataModel>(
builder: (context, candidateData, rejectedData) { builder: (context, candidateData, rejectedData) {
if (_draggedData == null) return const SizedBox.shrink(); if (_draggedData == null) {
return const SizedBox.shrink();
}
final isTargetForDragged = (_draggedData?.parent?.uuid == parent?.uuid && final children = parent?.children ?? community?.spaces ?? [];
_draggedData?.community == null) || final isSameParent = (_draggedData!.parent?.uuid == parent?.uuid &&
(_draggedData?.community?.uuid == community?.uuid && _draggedData!.community == null) ||
_draggedData?.parent == null); (_draggedData!.community?.uuid == community?.uuid &&
_draggedData!.parent == null);
if (!isTargetForDragged) return const SizedBox.shrink(); if (!isSameParent) {
return const SizedBox.shrink();
}
final oldIndex =
children.indexWhere((s) => s.uuid == _draggedData!.space.uuid);
if (oldIndex != -1 && (oldIndex == index || oldIndex == index - 1)) {
return const SizedBox.shrink();
}
return Container( return Container(
width: 40, width: 40,
alignment: Alignment.center,
height: _cardHeight, height: _cardHeight,
decoration: BoxDecoration( decoration: BoxDecoration(
color: context.theme.colorScheme.primary.withValues( color: context.theme.colorScheme.primary.withValues(
@ -462,6 +474,9 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
final oldIndex = final oldIndex =
children.indexWhere((s) => s.uuid == data.data.space.uuid); children.indexWhere((s) => s.uuid == data.data.space.uuid);
if (oldIndex == -1) {
return true;
}
if (oldIndex == index || oldIndex == index - 1) { if (oldIndex == index || oldIndex == index - 1) {
return false; return false;
} }