fix SliverReorderableLists item wrong offset

yiiim · goderbauer · commit 36e5f8b40c97 · 2023-10-24T15:12:55.000-07:00
diff --git a/packages/flutter/lib/src/widgets/reorderable_list.dart b/packages/flutter/lib/src/widgets/reorderable_list.dart
@@ -730,7 +730,7 @@ class SliverReorderableListState extends State<SliverReorderableList> with Ticke
   }
 
   void _registerItem(_ReorderableItemState item) {
-    if (_dragInfo != null && _items[item.index] == null) {
+    if (_dragInfo != null && _items[item.index] != item) {
       item.updateForGap(_dragInfo!.index, _dragInfo!.itemExtent, false, _reverse);
     }
     _items[item.index] = item;

Original file line number	Diff line number	Diff line change
`@@ -730,7 +730,7 @@ class SliverReorderableListState extends State<SliverReorderableList> with Ticke`
`730`	`730`	`}`
`731`	`731`
`732`	`732`	`void _registerItem(_ReorderableItemState item) {`
`733`		`- if (_dragInfo != null && _items[item.index] == null) {`
	`733`	`+ if (_dragInfo != null && _items[item.index] != item) {`
`734`	`734`	`item.updateForGap(_dragInfo!.index, _dragInfo!.itemExtent, false, _reverse);`
`735`	`735`	`}`
`736`	`736`	`_items[item.index] = item;`