Roo/form/ComboBox.js

diff --git a/Roo/form/ComboBox.js b/Roo/form/ComboBox.js
index c11670f..1773bc6 100644 (file)
--- a/Roo/form/ComboBox.js
+++ b/Roo/form/ComboBox.js
@@ -391,14 +391,15 @@ Roo.extend(Roo.form.ComboBox, Roo.form.TriggerField, {
         }
         
         
-        
-        this.addicon = this.wrap.createChild(
-            {tag: 'img', src: Ext.BLANK_IMAGE_URL, cls: 'x-form-combo-add' });  
-        var _t = this;
-        this.adder.on('click', function(e) {
-            this.fireEvent('adderclick', this, e);
-        }, this);
-        
+        if (typeof(this.events.add.listeners) != 'undefined') {
+            
+            this.addicon = this.wrap.createChild(
+                {tag: 'img', src: Ext.BLANK_IMAGE_URL, cls: 'x-form-combo-add' });  
+       
+            this.adder.on('click', function(e) {
+                this.fireEvent('adderclick', this, e);
+            }, this);
+        }