Fix regression for cancellation token

CHANGELOG.md

@@ -5,3 +5,7 @@
 ## [0.1.2]
 
 * Add delayed (android-like) reordering
+
+## [0.1.3]
+
+* Fix regression for CancellationToken

lib/flutter_reorderable_list.dart

@@ -160,14 +160,14 @@ class _ReorderableListState extends State<ReorderableList>
   void initState() {
     super.initState();
     if (widget.cancellationToken != null) {
-      widget.cancellationToken._callbacks.add(this.cancel);
+      widget.cancellationToken._callbacks.add(this._cancel);
     }
   }
 
   @override
   void dispose() {
     if (widget.cancellationToken != null) {
-      widget.cancellationToken._callbacks.remove(this.cancel);
+      widget.cancellationToken._callbacks.remove(this._cancel);
     }
     _finalAnimation?.dispose();
     for (final c in _itemTranslations.values) {
@@ -178,6 +178,26 @@ class _ReorderableListState extends State<ReorderableList>
     super.dispose();
   }
 
+  void _cancel() {
+    if (_dragging != null) {
+      if (_finalAnimation != null) {
+        _finalAnimation.dispose();
+        _finalAnimation = null;
+      }
+
+      final dragging = _dragging;
+      _dragging = null;
+      _dragProxy.hide();
+
+      var current = _items[_dragging];
+      current?.update();
+
+      if (widget.onReorderDone != null) {
+        widget.onReorderDone(dragging);
+      }
+    }
+  }
+
   // Returns currently dragged key
   Key get dragging => _dragging;
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_reorderable_list
 description: Reorderable list for flutter.
-version: 0.1.2
+version: 0.1.3
 author: Matej Knopp <[email protected]>
 homepage: https://github.com/knopp/flutter_reorderable_list