1 files changed, 7 insertions, 2 deletions
diff --git a/src/client/views/collections/collectionLinear/CollectionLinearView.tsx b/src/client/views/collections/collectionLinear/CollectionLinearView.tsx
index 160134b60..70c8c9436 100644
--- a/src/client/views/collections/collectionLinear/CollectionLinearView.tsx
+++ b/src/client/views/collections/collectionLinear/CollectionLinearView.tsx
@@ -4,7 +4,9 @@ import { action, IReactionDisposer, observable, reaction, runInAction } from 'mo
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { Doc, HeightSym, Opt, WidthSym } from '../../../../fields/Doc';
+import { documentSchema } from '../../../../fields/documentSchemas';
 import { Id } from '../../../../fields/FieldSymbols';
+import { makeInterface } from '../../../../fields/Schema';
 import { BoolCast, NumCast, ScriptCast, StrCast } from '../../../../fields/Types';
 import { emptyFunction, returnEmptyDoclist, returnTrue, Utils } from '../../../../Utils';
 import { DocUtils } from '../../../documents/Documents';
@@ -23,6 +25,9 @@ import { CollectionViewType } from '../CollectionView';
 import "./CollectionLinearView.scss";
 
 
+type LinearDocument = makeInterface<[typeof documentSchema,]>;
+const LinearDocument = makeInterface(documentSchema);
+
 /**
  * CollectionLinearView is the class for rendering the horizontal collection 
  * of documents, it useful for horizontal menus. It can either be expandable
@@ -32,7 +37,7 @@ import "./CollectionLinearView.scss";
  * - It is used for the context sensitive toolbar at the top (see contMenuButtons() in CollectionMenu.tsx)
  */
 @observer
-export class CollectionLinearView extends CollectionSubView() {
+export class CollectionLinearView extends CollectionSubView(LinearDocument) {
     @observable public addMenuToggle = React.createRef<HTMLInputElement>();
     @observable private _selectedIndex = -1;
     private _dropDisposer?: DragManager.DragDropDisposer;
@@ -73,7 +78,7 @@ export class CollectionLinearView extends CollectionSubView() {
             { fireImmediately: true }
         );
     }
-    protected createDashEventsTarget = (ele: HTMLDivElement | null) => { //used for stacking and masonry view
+    protected createDashEventsTarget = (ele: HTMLDivElement) => { //used for stacking and masonry view
         this._dropDisposer && this._dropDisposer();
         if (ele) {
             this._dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.layoutDoc);