uas6.0/WebContent/app/view/common/main/TreePanel.js

Ext.define('erp.view.common.main.TreePanel',{ 
	extend: 'Ext.tree.Panel', 
	alias: 'widget.erpTreePanel', 
	id: 'tree-panel', 
	/*region: 'west',*/
	/*width : '20%',*/
	margins : '0 0 -1 1', 
	border : false, 
	enableDD : false, 
	split: true, 
	title: $I18N.common.main.navigation,
	toggleCollapse: function() {
		if (this.collapsed) {
			this.expand(this.animCollapse);
		} else {
			this.title = $I18N.common.main.navigation;
			this.collapse(this.collapseDirection, this.animCollapse);
		}
		return this; 
	},
	singleExpand: true,
	rootVisible: false, 
	containerScroll : true, 
	collapsible : true, 
	autoScroll: false, 
	useArrows: true,
	bodyStyle:'background-color:#f1f1f1;',
	store:'TreeStore',
	initComponent : function(){ 
		this.getTreeRootNode(0);//页面加载时，只将parentId = 0的节点加载进来
		this.callParent(arguments);
	},
	getTreeRootNode: function(parentId){
		var condition = this.baseCondition;
		Ext.Ajax.request({//拿到tree数据
        	url : basePath + 'common/lazyTree.action',
        	params: {
        		parentId: parentId,
        		condition: condition
        	},
        	callback : function(options,success,response){
        		var res = new Ext.decode(response.responseText);
        		if(res.tree){
        			var tree = res.tree;
                	Ext.getCmp('tree-panel').store.setRootNode({
                		text: 'root',
                	    id: 'root',
                		expanded: true,
                		children: tree
                	});
        		} else if(res.exceptionInfo){
        			showError(res.exceptionInfo);
        		}
        	}
        });
	},
	tbar:{
		xtype: 'erpTreeToolbar'
	},
    openCloseFun: function(){
	 	  var o = Ext.getCmp("open");
	 	  var c = Ext.getCmp("close");
	 	  var tree = Ext.getCmp('tree-panel');
	 		  if(o.hidden==false&&c.hidden==true){
	 			  tree.expandAll();
	 			  o.hide();
	 			  c.show();
	 		  }else{
	 			  tree.collapseAll();
	 			  o.show();
	 			  c.hide();
	 		  }
	},
	listeners: {//滚动条有时候没反应，添加此监听器
		scrollershow: function(scroller) {
			if (scroller && scroller.scrollEl) {
				scroller.clearManagedListeners();  
				scroller.mon(scroller.scrollEl, 'scroll', scroller.onElScroll, scroller);  
			}
		}
	}
});