[4.1] expand event is fired many times in the tree panel.

[cwtuan]

Ext version tested:

• Ext 4.1

Browser versions tested against:

• Any

Description:

I use a model with a listener handling expand event in the tree panel.
The tree has depth of n.
When I expand the node with depth i, the expand event is fired i times.

For example, When I click the node with depth 3, it shows
Attachment 37458

Steps to reproduce the problem:

• Expand the tree node

The result that was expected:

• When I expand the node with depth i, the expand event is fired once

The result that occurs instead:

• When I expand the node with depth i, the expand event is fired i times

Test Case:

Ext.define('myNodeModel', {
    extend : 'Ext.data.Model',
    fields : [ 'id', 'text', 'type', 'state'],
    listeners: {        
        expand: function(node) {            
             console.log('expand', node);        
        }    
   } 
}); 

[mitchellsimoens]

Thanks for the report.

[cwtuan]

However, itemexpand event in treepanel works correctly.