more fixes for treeView to support hierarchical presentations.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/client/views/nodes/trails/PresElementBox.tsx b/src/client/views/nodes/trails/PresElementBox.tsx
index 5c16d743a..f4dc9b615 100644
--- a/src/client/views/nodes/trails/PresElementBox.tsx
+++ b/src/client/views/nodes/trails/PresElementBox.tsx
@@ -159,6 +159,10 @@ export class PresElementBox extends ViewBoxBaseComponent<FieldViewProps>() {
         const activeItem = this.rootDoc;
         const dragArray = PresBox.Instance._dragArray;
         const dragData = new DragManager.DocumentDragData(PresBox.Instance.sortArray());
+        if (!dragData.draggedDocuments.length) dragData.draggedDocuments.push(this.rootDoc);
+        dragData.dropAction = "move";
+        dragData.treeViewDoc = this.props.docViewPath().lastElement()?.props.treeViewDoc;
+        dragData.moveDocument = this.props.docViewPath().lastElement()?.props.moveDocument;
         const dragItem: HTMLElement[] = [];
         if (dragArray.length === 1) {
             const doc = dragArray[0];