Fix javascript error on map view.

2012-08-15 21:45:24 -03:00
parent 5f441c2c20
commit 34bd8edd42
1 changed files with 6 additions and 2 deletions
--- a/mindplot/src/main/javascript/widget/Menu.js
+++ b/mindplot/src/main/javascript/widget/Menu.js
@@ -243,14 +243,18 @@ mindplot.widget.Menu = new Class({
        var undoButton = this._addButton('undoEdition', false, false, function () {
            designer.undo();
        });
-        undoButton.disable();
+        if (undoButton) {
+            undoButton.disable();
+        }
        this._registerTooltip('undoEdition', $msg('UNDO'), "meta+Z");


        var redoButton = this._addButton('redoEdition', false, false, function () {
            designer.redo();
        });
-        redoButton.disable();
+        if (redoButton) {
+            redoButton.disable();
+        }
        this._registerTooltip('redoEdition', $msg('REDO'), "meta+shift+Z");

        if (redoButton && undoButton) {