added internalPreDrop to set dropActions. made linksView turn off during dragging.

3 files changed, 9 insertions, 2 deletions

diff --git a/src/client/views/collections/CollectionPileView.tsx b/src/client/views/collections/CollectionPileView.tsx
index 410b16ec7..3bbfcc4d7 100644
--- a/src/client/views/collections/CollectionPileView.tsx
+++ b/src/client/views/collections/CollectionPileView.tsx
@@ -78,6 +78,7 @@ export class CollectionPileView extends CollectionSubView(doc => doc) {
     _undoBatch: UndoManager.Batch | undefined;
     pointerDown = (e: React.PointerEvent) => {
         let dist = 0;
+        SelectionManager.SetIsDragging(true);
         // this._lastTap should be set to 0, and this._doubleTap should be set to false in the class header
         setupMoveUpEvents(this, e, (e: PointerEvent, down: number[], delta: number[]) => {
             if (this.layoutEngine() === "pass" && this.childDocs.length && this.props.isSelected(true)) {
@@ -97,6 +98,7 @@ export class CollectionPileView extends CollectionSubView(doc => doc) {
         }, () => {
             this._undoBatch?.end();
             this._undoBatch = undefined;
+            SelectionManager.SetIsDragging(false);
             if (!this.childDocs.length) {
                 this.props.ContainingCollectionView?.removeDocument(this.props.Document);
             }
diff --git a/src/client/views/collections/CollectionSubView.tsx b/src/client/views/collections/CollectionSubView.tsx
index c530b24fb..60cc1bd49 100644
--- a/src/client/views/collections/CollectionSubView.tsx
+++ b/src/client/views/collections/CollectionSubView.tsx
@@ -64,7 +64,7 @@ export function CollectionSubView<T, X>(schemaCtor: (doc: Doc) => T, moreProps?:
             this.multiTouchDisposer?.();
             if (ele) {
                 this._mainCont = ele;
-                this.dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this));
+                this.dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.onInternalPreDrop.bind(this));
                 this.gestureDisposer = GestureUtils.MakeGestureTarget(ele, this.onGesture.bind(this));
                 this.multiTouchDisposer = InteractionUtils.MakeMultiTouchTarget(ele, this.onTouchStart.bind(this));
             }
@@ -208,6 +208,11 @@ export function CollectionSubView<T, X>(schemaCtor: (doc: Doc) => T, moreProps?:
         protected onGesture(e: Event, ge: GestureUtils.GestureEvent) {
         }
 
+        protected onInternalPreDrop(e: Event, de: DragManager.DropEvent): boolean {
+            // de.complete.docDragData!.dropAction = "alias";  bcz: for example, you can convert all drops to aliases here
+            return true;
+        }
+
         @undoBatch
         @action
         protected onInternalDrop(e: Event, de: DragManager.DropEvent): boolean {
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
index 702b02a20..4b5e977df 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
@@ -36,7 +36,7 @@ export class CollectionFreeFormLinksView extends React.Component {
     }
 
     render() {
-        return <div className="collectionfreeformlinksview-container">
+        return SelectionManager.GetIsDragging() ? (null) : <div className="collectionfreeformlinksview-container">
             <svg className="collectionfreeformlinksview-svgCanvas">
                 {this.uniqueConnections}
             </svg>