From 2633f61d311528e62d50d4ff56f5884b3b51ac61 Mon Sep 17 00:00:00 2001
From: bob <bcz@cs.brown.edu>
Date: Tue, 18 Jun 2019 13:12:15 -0400
Subject: added undo/redo bindings for app.

---
 src/client/views/MainView.tsx | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/client/views/MainView.tsx b/src/client/views/MainView.tsx
index ea49ebd5d..fd76cbbd3 100644
--- a/src/client/views/MainView.tsx
+++ b/src/client/views/MainView.tsx
@@ -105,6 +105,12 @@ export class MainView extends React.Component {
             if (e.key === "Escape") {
                 DragManager.AbortDrag();
                 SelectionManager.DeselectAll();
+            } else if (e.key === "z" && e.ctrlKey) {
+                e.preventDefault();
+                UndoManager.Undo();
+            } else if ((e.key === "y" && e.ctrlKey) || (e.key === "z" && e.ctrlKey && e.shiftKey)) {
+                e.preventDefault();
+                UndoManager.Redo();
             }
         }, false); // drag event handler
         // click interactions for the context menu
-- 
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