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import 'package:auto_gpt_flutter_client/models/skill_tree/skill_tree_category.dart';
import 'package:auto_gpt_flutter_client/models/skill_tree/skill_tree_node.dart';
import 'package:auto_gpt_flutter_client/viewmodels/skill_tree_viewmodel.dart';
import 'package:auto_gpt_flutter_client/views/skill_tree/tree_node_view.dart';
import 'package:flutter/material.dart';
import 'package:graphview/GraphView.dart';
class SkillTreeView extends StatefulWidget {
final SkillTreeViewModel viewModel;
const SkillTreeView({Key? key, required this.viewModel}) : super(key: key);
@override
_SkillTreeViewState createState() => _SkillTreeViewState();
}
class _SkillTreeViewState extends State<SkillTreeView> {
Future<void>? initialization;
@override
void initState() {
super.initState();
initialization = widget.viewModel.initializeSkillTree();
}
@override
Widget build(BuildContext context) {
return Stack(
children: [
FutureBuilder<void>(
future: initialization,
builder: (context, snapshot) {
widget.viewModel.graph.nodes.clear();
widget.viewModel.graph.edges.clear();
if (snapshot.connectionState == ConnectionState.waiting) {
return const CircularProgressIndicator();
}
if (snapshot.hasError) {
return const Text("An error occurred");
}
// Create Node and Edge objects for GraphView
final Map<String, Node> nodeMap = {};
for (var skillTreeNode in widget.viewModel.skillTreeNodes) {
final node = Node.Id(skillTreeNode.id);
widget.viewModel.graph.addNode(node);
nodeMap[skillTreeNode.id] = node;
}
for (var skillTreeEdge in widget.viewModel.skillTreeEdges) {
final fromNode = nodeMap[skillTreeEdge.from];
final toNode = nodeMap[skillTreeEdge.to];
if (fromNode != null && toNode != null) {
widget.viewModel.graph.addEdge(fromNode, toNode);
}
}
return Scaffold(
body: Column(
mainAxisSize: MainAxisSize.max,
children: [
Expanded(
child: InteractiveViewer(
constrained: false,
child: SizedBox(
width: MediaQuery.of(context).size.width,
height: MediaQuery.of(context).size.height,
child: Align(
alignment: Alignment.centerLeft,
child: GraphView(
graph: widget.viewModel.graph,
algorithm:
SugiyamaAlgorithm(widget.viewModel.builder),
paint: Paint()
..color = Colors.green
..strokeWidth = 1
..style = PaintingStyle.stroke,
builder: (Node node) {
String nodeId = node.key?.value as String;
SkillTreeNode? skillTreeNode =
widget.viewModel.getNodeById(nodeId);
if (skillTreeNode != null) {
return TreeNodeView(
node: skillTreeNode,
selected: nodeId ==
widget.viewModel.selectedNode?.id);
} else {
return const SizedBox(); // Return an empty widget if the node is not found
}
},
),
),
),
),
),
],
),
);
},
),
Positioned(
top: 10,
left: 10,
child: Material(
type: MaterialType.transparency,
child: DropdownButton<SkillTreeCategory>(
value: widget.viewModel.currentSkillTreeType,
items: SkillTreeCategory.values.map((category) {
return DropdownMenuItem<SkillTreeCategory>(
value: category,
child: Text(category.stringValue),
);
}).toList(),
onChanged: (newValue) {
if (newValue != null) {
setState(() {
widget.viewModel.currentSkillTreeType = newValue;
widget.viewModel.initializeSkillTree();
});
}
},
),
),
)
],
);
}
}
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