//点击树节点，中间的tabpanel新建一个对应的tab

west_chem.on('itemclick',function(view,record,item,index,e){

        var cen_tabs = Ext.getCmp("cen_tabPanel");

        if(record.raw.leaf){

            e.stopEvent();  

            var addnew = cen_tabs.getComponent(record.raw.id);

            var id = record.raw.id;

            if(!addnew){

                addnew  =  cen_tabs.add({

                    itemId : record.raw.id,

                    title: record.raw.text,

                    autoScroll:true,

                    closable:true,

                    closeAction:'close',

                    items:[inorg_all_grid],     //每个panel加载的grid不同，要怎么做？

                    dockedItems: [{

				        dock: 'top',

				        xtype: 'toolbar',

				        items: [ '->',  {

				           xtype: 'textfield',

				           fieldLabel:'查询条件',

				           name: 'searchBy'

				        }, {

				           xtype: 'button',

				           text: '搜索'

				        },{

				           xtype: 'button',

				           text: '增加',

				           }

				        }]

			    	}]

                 }).show();

            }

        

            cen_tabs.setActiveTab(addnew);  

         }

         

  	});