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 
   });