added delete from non-data keys in tree view. fixed undo iconanimating problem

1 files changed, 3 insertions, 1 deletions

diff --git a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
index 0e34cb626..5efc75793 100644
--- a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
+++ b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
@@ -138,7 +138,9 @@ export class CollectionFreeFormDocumentView extends DocComponent<CollectionFreeF
         }
         if (minimizedDoc && maximizedDocs) {
             let minimizedTarget = minimizedDoc;
-            CollectionFreeFormDocumentView._undoBatch = UndoManager.StartBatch("iconAnimating");
+            if (!CollectionFreeFormDocumentView._undoBatch) {
+                CollectionFreeFormDocumentView._undoBatch = UndoManager.StartBatch("iconAnimating");
+            }
             maximizedDocs.forEach(maximizedDoc => {
                 let iconAnimating = Cast(maximizedDoc.isIconAnimating, List);
                 if (!iconAnimating || (Date.now() - iconAnimating[6] > 1000)) {