3 files changed, 7 insertions, 7 deletions
diff --git a/src/client/util/DocumentManager.ts b/src/client/util/DocumentManager.ts
index 65c4b9e4b..72d9f7e76 100644
--- a/src/client/util/DocumentManager.ts
+++ b/src/client/util/DocumentManager.ts
@@ -134,7 +134,7 @@ export class DocumentManager {
                 const actualDoc = Doc.MakeAlias(docDelegate);
                 actualDoc.libraryBrush = true;
                 if (linkPage !== undefined) actualDoc.curPage = linkPage;
-                (dockFunc || CollectionDockingView.Instance.AddRightSplit)(actualDoc);
+                (dockFunc || CollectionDockingView.AddRightSplit)(actualDoc);
             } else {
                 let contextView: DocumentView | null;
                 docDelegate.libraryBrush = true;
@@ -142,7 +142,7 @@ export class DocumentManager {
                     contextDoc.panTransformType = "Ease";
                     contextView.props.focus(contextDoc);
                 } else {
-                    (dockFunc || CollectionDockingView.Instance.AddRightSplit)(contextDoc);
+                    (dockFunc || CollectionDockingView.AddRightSplit)(contextDoc);
                 }
             }
         }
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index 1e84a0db0..7625b0463 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -26,8 +26,8 @@ export function SetupDrag(_reference: React.RefObject<HTMLElement>, docFunc: ()
         // if (this.props.isSelected() || this.props.isTopMost) {
         if (e.button === 0) {
             e.stopPropagation();
-            if (e.shiftKey && CollectionDockingView.Instance) {
-                CollectionDockingView.Instance.StartOtherDrag([await docFunc()], e);
+            if (e.shiftKey && CollectionDockingView.TopLevel) {
+                CollectionDockingView.TopLevel.StartOtherDrag([await docFunc()], e);
             } else {
                 document.addEventListener("pointermove", onRowMove);
                 document.addEventListener("pointerup", onRowUp);
@@ -264,9 +264,9 @@ export namespace DragManager {
             if (dragData instanceof DocumentDragData) {
                 dragData.userDropAction = e.ctrlKey || e.altKey ? "alias" : undefined;
             }
-            if (e.shiftKey && CollectionDockingView.Instance) {
+            if (e.shiftKey && CollectionDockingView.TopLevel) {
                 AbortDrag();
-                CollectionDockingView.Instance.StartOtherDrag(docs, {
+                CollectionDockingView.TopLevel.StartOtherDrag(docs, {
                     pageX: e.pageX,
                     pageY: e.pageY,
                     preventDefault: emptyFunction,
diff --git a/src/client/util/TooltipTextMenu.tsx b/src/client/util/TooltipTextMenu.tsx
index f517f757a..fa2483db5 100644
--- a/src/client/util/TooltipTextMenu.tsx
+++ b/src/client/util/TooltipTextMenu.tsx
@@ -194,7 +194,7 @@ export class TooltipTextMenu {
                                 if (DocumentManager.Instance.getDocumentView(f)) {
                                     DocumentManager.Instance.getDocumentView(f)!.props.focus(f);
                                 }
-                                else if (CollectionDockingView.Instance) CollectionDockingView.Instance.AddRightSplit(f);
+                                else if (CollectionDockingView.TopLevel) CollectionDockingView.AddRightSplit(f);
                             }
                         }));
                     }