Merge branch 'master' of github-tsch-brown:browngraphicslab/Dash-Web

1 files changed, 15 insertions, 6 deletions

diff --git a/src/client/util/SelectionManager.ts b/src/client/util/SelectionManager.ts
index 1a711ae64..958c14491 100644
--- a/src/client/util/SelectionManager.ts
+++ b/src/client/util/SelectionManager.ts
@@ -1,5 +1,6 @@
 import { observable, action } from "mobx";
 import { DocumentView } from "../views/nodes/DocumentView";
+import { Document } from "../../fields/Document";
 
 export namespace SelectionManager {
     class Manager {
@@ -14,26 +15,34 @@ export namespace SelectionManager {
             }
 
             if (manager.SelectedDocuments.indexOf(doc) === -1) {
-                manager.SelectedDocuments.push(doc)
+                manager.SelectedDocuments.push(doc);
             }
         }
     }
 
-    const manager = new Manager;
+    const manager = new Manager();
 
     export function SelectDoc(doc: DocumentView, ctrlPressed: boolean): void {
-        manager.SelectDoc(doc, ctrlPressed)
+        manager.SelectDoc(doc, ctrlPressed);
     }
 
     export function IsSelected(doc: DocumentView): boolean {
         return manager.SelectedDocuments.indexOf(doc) !== -1;
     }
 
-    export function DeselectAll(): void {
-        manager.SelectedDocuments = []
+    export function DeselectAll(except?: Document): void {
+        let found: DocumentView | undefined = undefined;
+        if (except) {
+            for (let i = 0; i < manager.SelectedDocuments.length; i++) {
+                let view = manager.SelectedDocuments[i];
+                if (view.props.Document == except) found = view;
+            }
+        }
+        manager.SelectedDocuments.length = 0;
+        if (found) manager.SelectedDocuments.push(found);
     }
 
     export function SelectedDocuments(): Array<DocumentView> {
         return manager.SelectedDocuments;
     }
-}
\ No newline at end of file
+}