[two_dimensional_scrollables] - TreeViewNode collapse with animation duration zero has erratic behavior #154292
Description
Steps to reproduce
Sane error of 1D #153889
- Run code example
- Expand any node and try to collapse it
- Collapse node
- Try expand node again
Expected results
Expand/Collapse Tree node with right behavior
Actual results
Tree node expands/collapses with erratic behavior
Code sample
Code sample
import 'package:flutter/material.dart';
import 'package:two_dimensional_scrollables/two_dimensional_scrollables.dart';
/// Flutter code sample for [TreeView]
void main() => runApp(const TreeViewExampleApp());
class TreeViewExampleApp extends StatelessWidget {
const TreeViewExampleApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(
home: TreeViewExample(),
);
}
}
class TreeViewExample extends StatefulWidget {
const TreeViewExample({super.key});
@override
State<TreeViewExample> createState() => _TreeViewExampleState();
}
class _TreeViewExampleState extends State<TreeViewExample> {
TreeViewNode<String>? _selectedNode;
final TreeViewController controller = TreeViewController();
final List<TreeViewNode<String>> _tree = <TreeViewNode<String>>[
TreeViewNode<String>('First'),
TreeViewNode<String>(
'Second',
children: <TreeViewNode<String>>[
TreeViewNode<String>(
'alpha',
children: <TreeViewNode<String>>[
TreeViewNode<String>('uno'),
TreeViewNode<String>('dos'),
TreeViewNode<String>('tres'),
],
),
TreeViewNode<String>('beta'),
TreeViewNode<String>('kappa'),
],
),
TreeViewNode<String>(
'Third',
expanded: true,
children: <TreeViewNode<String>>[
TreeViewNode<String>('gamma'),
TreeViewNode<String>('delta'),
TreeViewNode<String>('epsilon'),
],
),
TreeViewNode<String>('Fourth'),
];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('TreeView Demo'),
),
body: TreeView<String>(
tree: _tree,
controller: controller,
toggleAnimationStyle: AnimationStyle(
curve: Curves.easeInOut,
duration: Duration.zero,
),
treeNodeBuilder: (
BuildContext context,
TreeViewNode<Object?> node,
AnimationStyle animationStyle,
) {
Widget child = GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
setState(() {
controller.toggleNode(node);
_selectedNode = node as TreeViewNode<String>;
});
},
child: TreeView.defaultTreeNodeBuilder(
context,
node,
animationStyle,
),
);
if (_selectedNode == node as TreeViewNode<String>) {
child = ColoredBox(
color: Colors.purple[100]!,
child: child,
);
}
return child;
},
),
);
}
}
Screenshots or Video
Screenshots / Video demonstration
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Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
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[✓] Connected device (3 available)
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