fixed duplicated menu items.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 303099c16..d4afc69cf 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -13,6 +13,7 @@ import { CollectionSchemaView } from "./CollectionSchemaView";
 import { CollectionViewProps } from "./CollectionViewBase";
 import { CollectionTreeView } from "./CollectionTreeView";
 import { Field, FieldId } from "../../../fields/Field";
+import { Main } from "../Main";
 
 export enum CollectionViewType {
     Invalid,
@@ -95,7 +96,7 @@ export class CollectionView extends React.Component<CollectionViewProps> {
     }
 
     specificContextMenu = (e: React.MouseEvent): void => {
-        if (!e.isPropagationStopped() && this.props.Document.Id != "mainDoc") { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
+        if (!e.isPropagationStopped() && this.props.Document.Id != Main.Instance.mainDocId) { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
             ContextMenu.Instance.addItem({ description: "Freeform", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Freeform) })
             ContextMenu.Instance.addItem({ description: "Schema", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Schema) })
             ContextMenu.Instance.addItem({ description: "Treeview", event: () => this.props.Document.SetNumber(KeyStore.ViewType, CollectionViewType.Tree) })