Bug message: this._container is null, line:4594, :http://app.wisemapping.com/js/mindplot-min2.js

mindplot/src/main/javascript/widget/ToolbarNotifier.js

@@ -19,10 +19,10 @@
 mindplot.widget.ToolbarNotifier = new Class({
 
     initialize:function () {
-        this._container = $('headerNotifier');
-        this._effect = new Fx.Elements(this._container, {
+        var container = $('headerNotifier');
+        this._effect = new Fx.Elements(container, {
             onComplete:function () {
-                this._container.setStyle('display', 'none');
+                container.setStyle('display', 'none');
             }.bind(this),
             link:'cancel',
             duration:8000,
@@ -40,9 +40,11 @@ mindplot.widget.ToolbarNotifier = new Class({
 
     logMessage:function (msg, fade) {
         $assert(msg, 'msg can not be null');
-        this._container.set('text', msg);
-        this._container.setStyle('display', 'block');
-        this._container.position({
+
+        var container = $('headerNotifier');
+        container.set('text', msg);
+        container.setStyle('display', 'block');
+        container.position({
             relativeTo:$('header'),
             position:'upperCenter',
             edge:'centerTop'
@@ -56,7 +58,7 @@ mindplot.widget.ToolbarNotifier = new Class({
             });
 
         } else {
-            this._container.setStyle('opacity', '1');
+            container.setStyle('opacity', '1');
             this._effect.pause();
         }
     }