EXTJS双击关闭标签代码

 1 Ext.override(Ext.TabPanel, {
 2     initEvents : function(){
 3         Ext.TabPanel.superclass.initEvents.call(this);
 4         this.on('add', this.onAdd, this);
 5         this.on('remove', this.onRemove, this);
 6 
 7         this.strip.on('mousedown', this.onStripMouseDown, this);
 8         this.strip.on('contextmenu', this.onStripContextMenu, this);
 9         this.strip.on('dblclick', this.onTitleDbClick, this);
10         if(this.enableTabScroll){
11             this.strip.on('mousewheel', this.onWheel, this);
12         }
13     },
14     onTitleDbClick:function(e,target,o){   
15                 var t = this.findTargets(e);  
16                 if (t.item.fireEvent('beforeclose', t.item) !== false && t.item.closable!==false) {   
17                             t.item.fireEvent('close', t.item);   
18                             this.remove(t.item);                   
19                        }   
20     }
21 });