Run dart format .

Author: CoderJava

example/lib/main.dart

@@ -39,7 +39,8 @@ class _MyHomePageState extends State<MyHomePage> {
   @override
   void initState() {
     WidgetsBinding.instance.addPostFrameCallback((_) async {
-      final strOrganizationChart = await rootBundle.loadString('assets/organization_chart.json');
+      final strOrganizationChart =
+          await rootBundle.loadString('assets/organization_chart.json');
       final organizationChartJson = json.decode(strOrganizationChart);
       final organizationChart = OrganizationChart(
         data: (organizationChartJson['data'] as List<dynamic>?)?.map((e) {
@@ -58,7 +59,8 @@ class _MyHomePageState extends State<MyHomePage> {
     super.initState();
   }
 
-  TreeNodeData mapOrganizationChartToTreeNodeData(ItemOrganizationChart itemOrganizationChart, TreeNodeData? parent) {
+  TreeNodeData mapOrganizationChartToTreeNodeData(
+      ItemOrganizationChart itemOrganizationChart, TreeNodeData? parent) {
     final children = itemOrganizationChart.children ?? [];
     final treeNodeData = TreeNodeData(
       title: itemOrganizationChart.name ?? '-',
@@ -70,7 +72,9 @@ class _MyHomePageState extends State<MyHomePage> {
     );
     final nestedChildren = children.isEmpty
         ? <TreeNodeData>[]
-        : children.map((e) => mapOrganizationChartToTreeNodeData(e, treeNodeData)).toList();
+        : children
+            .map((e) => mapOrganizationChartToTreeNodeData(e, treeNodeData))
+            .toList();
     treeNodeData.children = nestedChildren;
     return treeNodeData;
   }
@@ -153,7 +157,8 @@ class ItemOrganizationChart {
       pid: json['id'],
       name: json['name'],
       children: (json['children'] as List<dynamic>?)
-          ?.map((e) => ItemOrganizationChart.fromJson(e as Map<String, dynamic>))
+          ?.map(
+              (e) => ItemOrganizationChart.fromJson(e as Map<String, dynamic>))
           .toList(),
     );
   }

lib/bloc/treeview_bloc.dart

@@ -11,7 +11,8 @@ class TreeviewBloc extends Bloc<TreeviewEvent, TreeviewState> {
     on<UpdateTreeviewEvent>(_onUpdateTreeviewEvent);
   }
 
-  FutureOr<void> _onUpdateTreeviewEvent(UpdateTreeviewEvent event, Emitter<TreeviewState> emit) {
+  FutureOr<void> _onUpdateTreeviewEvent(
+      UpdateTreeviewEvent event, Emitter<TreeviewState> emit) {
     emit(UpdatedTreeviewState());
   }
 }

lib/bloc/treeview_event.dart

@@ -2,4 +2,4 @@ part of 'treeview_bloc.dart';
 
 abstract class TreeviewEvent {}
 
-class UpdateTreeviewEvent extends TreeviewEvent {}
+class UpdateTreeviewEvent extends TreeviewEvent {}

lib/bloc/treeview_state.dart

@@ -4,4 +4,4 @@ abstract class TreeviewState {}
 
 class InitialTreeviewState extends TreeviewState {}
 
-class UpdatedTreeviewState extends TreeviewState {}
+class UpdatedTreeviewState extends TreeviewState {}

lib/src/flutter_treeview_plus.dart

@@ -79,7 +79,8 @@ class _FlutterTreeviewPlusState extends State<FlutterTreeviewPlus> {
         tempNode.children = _filter(val, tempNode.children);
       }
 
-      if (tempNode.title.contains(RegExp(val, caseSensitive: false)) || tempNode.children.isNotEmpty) {
+      if (tempNode.title.contains(RegExp(val, caseSensitive: false)) ||
+          tempNode.children.isNotEmpty) {
         tempNodes.add(tempNode);
       }
     }
@@ -173,7 +174,7 @@ class _FlutterTreeviewPlusState extends State<FlutterTreeviewPlus> {
                     ),
                   ...List.generate(
                     _renderList.length,
-                        (int index) {
+                    (int index) {
                       return TreeNode(
                         load: load,
                         remove: remove,

lib/src/tree_node.dart

@@ -60,7 +60,8 @@ class TreeNode extends StatefulWidget {
   State<TreeNode> createState() => _TreeNodeState();
 }
 
-class _TreeNodeState extends State<TreeNode> with SingleTickerProviderStateMixin {
+class _TreeNodeState extends State<TreeNode>
+    with SingleTickerProviderStateMixin {
   bool _isExpanded = false;
   bool? _isChecked = false;
   bool _showLoading = false;
@@ -118,15 +119,18 @@ class _TreeNodeState extends State<TreeNode> with SingleTickerProviderStateMixin
   Widget build(BuildContext context) {
     if (widget.parentState != null) _isChecked = widget.data.checked;
 
-    bool hasData = widget.data.children.isNotEmpty || (widget.lazy && !_isExpanded);
+    bool hasData =
+        widget.data.children.isNotEmpty || (widget.lazy && !_isExpanded);
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: <Widget>[
         InkWell(
           splashColor: widget.contentTappable ? null : Colors.transparent,
           highlightColor: widget.contentTappable ? null : Colors.transparent,
-          mouseCursor: widget.contentTappable ? SystemMouseCursors.click : MouseCursor.defer,
+          mouseCursor: widget.contentTappable
+              ? SystemMouseCursors.click
+              : MouseCursor.defer,
           onTap: widget.contentTappable
               ? () {
                   if (hasData) {
@@ -175,7 +179,8 @@ class _TreeNodeState extends State<TreeNode> with SingleTickerProviderStateMixin
                       if (widget.parentState != null) {
                         _checkUncheckChildren(widget.data.children);
                         _checkUncheckParent(widget.parent);
-                        BlocProvider.of<TreeviewBloc>(context).add(UpdateTreeviewEvent());
+                        BlocProvider.of<TreeviewBloc>(context)
+                            .add(UpdateTreeviewEvent());
                       }
                       widget.onCheck(_isChecked, widget.data);
                       setState(() {});
@@ -223,9 +228,11 @@ class _TreeNodeState extends State<TreeNode> with SingleTickerProviderStateMixin
                       widget.remove(widget.data);
                       widget.onRemove(widget.data, widget.parent);
                     },
-                    child: const Text('Remove', style: TextStyle(fontSize: 12.0)),
+                    child:
+                        const Text('Remove', style: TextStyle(fontSize: 12.0)),
                   ),
-                if (widget.data.customActions?.isNotEmpty == true) ...widget.data.customActions!,
+                if (widget.data.customActions?.isNotEmpty == true)
+                  ...widget.data.customActions!,
               ],
             ),
           ),