Add loading and status widgets for delete space dialog; refactor dialog to utilize new components for improved user feedback during space deletion process.

lib/pages/space_management_v2/main_module/painters/spaces_connections_arrow_painter.dart

@@ -5,13 +5,14 @@ import 'package:syncrow_web/utils/color_manager.dart';
 class SpacesConnectionsArrowPainter extends CustomPainter {
   final List<SpaceConnectionModel> connections;
   final Map<String, Offset> positions;
-  final double cardWidth = 150.0;
+  final Map<String, double> cardWidths;
   final double cardHeight = 90.0;
   final Set<String> highlightedUuids;
 
   SpacesConnectionsArrowPainter({
     required this.connections,
     required this.positions,
+    required this.cardWidths,
     required this.highlightedUuids,
   });
 
@@ -29,19 +30,30 @@ class SpacesConnectionsArrowPainter extends CustomPainter {
 
       final from = positions[connection.from];
       final to = positions[connection.to];
+      final fromWidth = cardWidths[connection.from] ?? 150.0;
+      final toWidth = cardWidths[connection.to] ?? 150.0;
 
       if (from != null && to != null) {
         final startPoint =
-            Offset(from.dx + cardWidth / 2, from.dy + cardHeight - 10);
-        final endPoint = Offset(to.dx + cardWidth / 2, to.dy);
+            Offset(from.dx + fromWidth / 2, from.dy + cardHeight - 10);
+        final endPoint = Offset(to.dx + toWidth / 2, to.dy);
 
         final path = Path()..moveTo(startPoint.dx, startPoint.dy);
 
-        final controlPoint1 = Offset(startPoint.dx, startPoint.dy + 100);
-        final controlPoint2 = Offset(endPoint.dx, endPoint.dy - 100);
-
-        path.cubicTo(controlPoint1.dx, controlPoint1.dy, controlPoint2.dx,
-            controlPoint2.dy, endPoint.dx, endPoint.dy);
+        if ((startPoint.dx - endPoint.dx).abs() < 1.0) {
+          path.lineTo(endPoint.dx, endPoint.dy);
+        } else {
+          final controlPoint1 = Offset(startPoint.dx, startPoint.dy + 100);
+          final controlPoint2 = Offset(endPoint.dx, endPoint.dy - 100);
+          path.cubicTo(
+            controlPoint1.dx,
+            controlPoint1.dy,
+            controlPoint2.dx,
+            controlPoint2.dy,
+            endPoint.dx,
+            endPoint.dy,
+          );
+        }
 
         canvas.drawPath(path, paint);
 
@@ -51,7 +63,7 @@ class SpacesConnectionsArrowPainter extends CustomPainter {
               : ColorsManager.blackColor.withValues(alpha: 0.5)
           ..style = PaintingStyle.fill
           ..blendMode = BlendMode.srcIn;
-        canvas.drawCircle(endPoint, 4, circlePaint);
+        canvas.drawCircle(endPoint, 6, circlePaint);
       }
     }
   }

lib/pages/space_management_v2/main_module/widgets/community_structure_canvas.dart

@@ -30,10 +30,11 @@ class CommunityStructureCanvas extends StatefulWidget {
 class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
     with SingleTickerProviderStateMixin {
   final Map<String, Offset> _positions = {};
-  final double _cardWidth = 150.0;
+  final Map<String, double> _cardWidths = {};
   final double _cardHeight = 90.0;
   final double _horizontalSpacing = 150.0;
   final double _verticalSpacing = 120.0;
+  static const double _minCardWidth = 150.0;
 
   late final TransformationController _transformationController;
   late final AnimationController _animationController;
@@ -51,6 +52,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
 
   @override
   void didUpdateWidget(covariant CommunityStructureCanvas oldWidget) {
+    super.didUpdateWidget(oldWidget);
     if (widget.selectedSpace?.uuid != oldWidget.selectedSpace?.uuid) {
       WidgetsBinding.instance.addPostFrameCallback((_) {
         if (mounted) {
@@ -58,7 +60,6 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
         }
       });
     }
-    super.didUpdateWidget(oldWidget);
   }
 
   @override
@@ -68,6 +69,34 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
     super.dispose();
   }
 
+  double _calculateCardWidth(String text) {
+    final style = context.textTheme.bodyLarge?.copyWith(
+      fontWeight: FontWeight.bold,
+    );
+    final textPainter = TextPainter(
+      text: TextSpan(text: text, style: style),
+      maxLines: 1,
+      textDirection: TextDirection.ltr,
+    )..layout();
+
+    const iconWidth = 40.0;
+    const horizontalPadding = 10.0;
+    const contentPadding = 10.0;
+    final calculatedWidth =
+        iconWidth + horizontalPadding + textPainter.width + contentPadding;
+
+    return calculatedWidth.clamp(_minCardWidth, double.infinity);
+  }
+
+  void _calculateAllCardWidths(List<SpaceModel> spaces) {
+    for (final space in spaces) {
+      _cardWidths[space.uuid] = _calculateCardWidth(space.spaceName);
+      if (space.children.isNotEmpty) {
+        _calculateAllCardWidths(space.children);
+      }
+    }
+  }
+
   Set<String> _getAllDescendantUuids(SpaceModel space) {
     final uuids = <String>{};
     for (final child in space.children) {
@@ -102,11 +131,12 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
     final position = _positions[space.uuid];
     if (position == null) return;
 
+    final cardWidth = _cardWidths[space.uuid] ?? _minCardWidth;
     const scale = 1;
     final viewSize = context.size;
     if (viewSize == null) return;
 
-    final x = -position.dx * scale + (viewSize.width / 2) - (_cardWidth * scale / 2);
+    final x = -position.dx * scale + (viewSize.width / 2) - (cardWidth * scale / 2);
     final y =
         -position.dy * scale + (viewSize.height / 2) - (_cardHeight * scale / 2);
 
@@ -155,13 +185,16 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
     Map<int, double> levelXOffset,
   ) {
     for (final space in spaces) {
+      final cardWidth = _cardWidths[space.uuid] ?? _minCardWidth;
       double childSubtreeWidth = 0;
       if (space.children.isNotEmpty) {
         _calculateLayout(space.children, depth + 1, levelXOffset);
         final firstChildPos = _positions[space.children.first.uuid];
         final lastChildPos = _positions[space.children.last.uuid];
         if (firstChildPos != null && lastChildPos != null) {
-          childSubtreeWidth = (lastChildPos.dx + _cardWidth) - firstChildPos.dx;
+          final lastChildWidth =
+              _cardWidths[space.children.last.uuid] ?? _minCardWidth;
+          childSubtreeWidth = (lastChildPos.dx + lastChildWidth) - firstChildPos.dx;
         }
       }
 
@@ -170,7 +203,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
 
       if (space.children.isNotEmpty) {
         final firstChildPos = _positions[space.children.first.uuid]!;
-        x = firstChildPos.dx + (childSubtreeWidth - _cardWidth) / 2;
+        x = firstChildPos.dx + (childSubtreeWidth - cardWidth) / 2;
       } else {
         x = currentX;
       }
@@ -187,7 +220,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
 
       final y = depth * (_verticalSpacing + _cardHeight);
       _positions[space.uuid] = Offset(x, y);
-      levelXOffset[depth] = x + _cardWidth + _horizontalSpacing;
+      levelXOffset[depth] = x + cardWidth + _horizontalSpacing;
     }
   }
 
@@ -202,8 +235,11 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
 
   List<Widget> _buildTreeWidgets() {
     _positions.clear();
+    _cardWidths.clear();
     final community = widget.community;
 
+    _calculateAllCardWidths(community.spaces);
+
     final levelXOffset = <int, double>{};
     _calculateLayout(community.spaces, 0, levelXOffset);
 
@@ -240,6 +276,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
         painter: SpacesConnectionsArrowPainter(
           connections: connections,
           positions: _positions,
+          cardWidths: _cardWidths,
           highlightedUuids: highlightedUuids,
         ),
         child: Stack(alignment: AlignmentDirectional.center, children: widgets),
@@ -271,6 +308,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
         continue;
       }
 
+      final cardWidth = _cardWidths[space.uuid] ?? _minCardWidth;
       final isHighlighted = highlightedUuids.contains(space.uuid);
       final hasNoSelectedSpace = widget.selectedSpace == null;
 
@@ -278,14 +316,10 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
         buildSpaceContainer: () {
           return Opacity(
             opacity: hasNoSelectedSpace || isHighlighted ? 1.0 : 0.5,
-            child: Tooltip(
-              message: space.spaceName,
-              preferBelow: false,
-              child: SpaceCell(
-                onTap: () => _onSpaceTapped(space),
-                icon: space.icon,
-                name: space.spaceName,
-              ),
+            child: SpaceCell(
+              onTap: () => _onSpaceTapped(space),
+              icon: space.icon,
+              name: space.spaceName,
             ),
           );
         },
@@ -305,7 +339,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
         Positioned(
           left: position.dx,
           top: position.dy,
-          width: _cardWidth,
+          width: cardWidth,
           height: _cardHeight,
           child: Draggable<SpaceReorderDataModel>(
             data: reorderData,
@@ -314,7 +348,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
               child: Opacity(
                 opacity: 0.2,
                 child: SizedBox(
-                  width: _cardWidth,
+                  width: cardWidth,
                   height: _cardHeight,
                   child: spaceCard,
                 ),
@@ -330,7 +364,7 @@ class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
       );
 
       final targetPos = Offset(
-        position.dx + _cardWidth + (_horizontalSpacing / 4) - 20,
+        position.dx + cardWidth + (_horizontalSpacing / 4) - 20,
         position.dy,
       );
       widgets.add(_buildDropTarget(parent, community, i + 1, targetPos));

lib/pages/space_management_v2/main_module/widgets/space_cell.dart

@@ -20,21 +20,19 @@ class SpaceCell extends StatelessWidget {
     return InkWell(
       onTap: onTap,
       child: Container(
-        width: 150,
+        padding: const EdgeInsetsDirectional.only(end: 10),
         height: 70,
         decoration: _containerDecoration(),
         child: Row(
+          spacing: 10,
+          mainAxisSize: MainAxisSize.min,
           children: [
             _buildIconContainer(),
-            const SizedBox(width: 10),
-            Expanded(
-              child: Text(
-                name,
-                style: context.textTheme.bodyLarge?.copyWith(
-                  fontWeight: FontWeight.bold,
-                  color: ColorsManager.blackColor,
-                ),
-                overflow: TextOverflow.ellipsis,
+            Text(
+              name,
+              style: context.textTheme.bodyLarge?.copyWith(
+                fontWeight: FontWeight.bold,
+                color: ColorsManager.blackColor,
               ),
             ),
           ],
@@ -74,8 +72,9 @@ class SpaceCell extends StatelessWidget {
       borderRadius: BorderRadius.circular(15),
       boxShadow: [
         BoxShadow(
-          color: ColorsManager.lightGrayColor.withValues(alpha: 0.25),
-          blurRadius: 7,
+          color: ColorsManager.lightGrayColor.withValues(alpha: 0.5),
+          spreadRadius: 2,
+          blurRadius: 5,
           offset: const Offset(0, 3),
         ),
       ],

lib/pages/space_management_v2/modules/delete_space/presentation/widgets/delete_space_dialog.dart

@@ -5,6 +5,8 @@ import 'package:syncrow_web/pages/space_management_v2/modules/communities/domain
 import 'package:syncrow_web/pages/space_management_v2/modules/delete_space/data/remote_delete_space_service.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/delete_space/presentation/bloc/delete_space_bloc.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/delete_space/presentation/widgets/delete_space_dialog_form.dart';
+import 'package:syncrow_web/pages/space_management_v2/modules/delete_space/presentation/widgets/delete_space_loading_widget.dart';
+import 'package:syncrow_web/pages/space_management_v2/modules/delete_space/presentation/widgets/delete_space_status_widget.dart';
 import 'package:syncrow_web/services/api/http_service.dart';
 import 'package:syncrow_web/utils/color_manager.dart';
 import 'package:syncrow_web/utils/extension/build_context_x.dart';
@@ -45,8 +47,8 @@ class DeleteSpaceDialog extends StatelessWidget {
                     communityUuid: community.uuid,
                   ),
                 DeleteSpaceLoading() => const DeleteSpaceLoadingWidget(),
-                DeleteSpaceSuccess(:final successMessage) => DeleteSpaceStatusWidget(
-                    message: successMessage,
+                DeleteSpaceSuccess() => DeleteSpaceStatusWidget(
+                    message: state.successMessage,
                     icon: const Icon(
                       Icons.check_circle,
                       size: 92,
@@ -69,50 +71,3 @@ class DeleteSpaceDialog extends StatelessWidget {
     );
   }
 }
-
-class DeleteSpaceLoadingWidget extends StatelessWidget {
-  const DeleteSpaceLoadingWidget({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return const SizedBox.square(
-      dimension: 32,
-      child: Center(child: CircularProgressIndicator()),
-    );
-  }
-}
-
-class DeleteSpaceStatusWidget extends StatelessWidget {
-  const DeleteSpaceStatusWidget({
-    required this.message,
-    required this.icon,
-    super.key,
-  });
-
-  final String message;
-  final Widget icon;
-
-  @override
-  Widget build(BuildContext context) {
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      crossAxisAlignment: CrossAxisAlignment.center,
-      spacing: 16,
-      children: [
-        icon,
-        SelectableText(
-          message,
-          style: context.textTheme.bodyMedium?.copyWith(
-            color: ColorsManager.blackColor,
-            fontSize: 22,
-          ),
-          textAlign: TextAlign.center,
-        ),
-        FilledButton(
-          onPressed: Navigator.of(context).pop,
-          child: const Text('Close'),
-        ),
-      ],
-    );
-  }
-}

lib/pages/space_management_v2/modules/delete_space/presentation/widgets/delete_space_loading_widget.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+
+class DeleteSpaceLoadingWidget extends StatelessWidget {
+  const DeleteSpaceLoadingWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const SizedBox.square(
+      dimension: 32,
+      child: Center(child: CircularProgressIndicator()),
+    );
+  }
+}

lib/pages/space_management_v2/modules/delete_space/presentation/widgets/delete_space_status_widget.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:syncrow_web/utils/color_manager.dart';
+import 'package:syncrow_web/utils/extension/build_context_x.dart';
+
+class DeleteSpaceStatusWidget extends StatelessWidget {
+  const DeleteSpaceStatusWidget({
+    required this.message,
+    required this.icon,
+    super.key,
+  });
+
+  final String message;
+  final Widget icon;
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      spacing: 16,
+      children: [
+        icon,
+        SelectableText(
+          message,
+          style: context.textTheme.bodyMedium?.copyWith(
+            color: ColorsManager.blackColor,
+            fontSize: 22,
+          ),
+          textAlign: TextAlign.center,
+        ),
+        FilledButton(
+          onPressed: Navigator.of(context).pop,
+          child: const Text('Close'),
+        ),
+      ],
+    );
+  }
+}