extjs4 treepanel 多个checkbox先中 多个节点选中 多级节点展开

//<%@ page contentType="text/html; charset=utf-8" %>var checkedNodes = {
_data:{},
update:function(id,text,checked){
if(checked){
this.add(id,text,checked);
}else if(!checked){
this.delById(id);
}
},
clear:function(){
for(var key in this._data){
delete this._data[key];
}
this._data = {};
},
add: function(id,text){
if(!this._data[id]){
this._data[id] = {'id':id,'text':text};
}
},
delById:function(id){
if(this._data[id]){
delete this._data[id];
}
},
getById:function(id){
return this._data[id];
},
joinId:function(sep){
arr = [];
for(id in this._data){
arr.push(id);
}
return arr.join(sep);
},
joinName:function(sep){
arr = [];
for(id in this._data){
arr.push(this._data[id].text);
}
return arr.join(sep)
},
getCheckedOrgIds:function(){
arr = [];
for(id in this._data){
arr.push(id);
}
return arr;
},
contains:function(id){
return this_data[id];
},
init:function(ids,texts){
if(ids == ''){
return ;
}
//if(ids.indexOf(',') > 0){
idarr = ids.split(',');
if(texts){
textarr = texts.split(',');
for(var i=0; i<idarr.length; i++){
if(idarr[i].replace(/^\s+|\s+$/g,'') != ''){
this.add(idarr[i],textarr[i]);
}
}
}else{
for(var i=0; i<idarr.length; i++){
this.add(idarr[i],null);
}
}
//}
}
};
var isCheckEvent = false;
var isChecked = false;
Ext.define('OrgInfo', {extend: 'Ext.data.Model',
fields: [
{name: 'id'},
{name: 'orgType'},
{name: 'internalAddress'},
{name: 'orgCode'},
{name: 'dateTo'},
{name: 'orgLeaderNum'},
{name: 'orgIdParent'},
{name: 'code'},
{name: 'orgName'},
{name: 'text', mapping:'orgName'},
{name: 'dateFrom'},
{name: 'orgLevel'},
{name: 'leaf'}
]
});
var orgStore = Ext.create('Ext.data.TreeStore', {
defaultRootId: "82",
model: "OrgInfo",
root: {id:82,text:'顺丰速运集团',leaf:false},
proxy: {type:'ajax', actionMethods : "POST", url:'loadRoleOrg.action', reader:{type:'json'}},
nodeParam:'id',
textField : "name",
autoLoad:false
});
/*
*设置子节点或者父节点选中的方法
*设置单个节点选中的方法
*/
var TreeNodeCheck ={
setNodeChecked:function(node,checked){
checkedNodes.update(node.get('id'),node.get('text'),checked);
node.set('checked',checked);
},
childChecked:function(node,checked){
TreeNodeCheck.setNodeChecked(node,checked);
node.expand(false,function(){
if(node.hasChildNodes()){
node.eachChild(function(child){
TreeNodeCheck.childChecked(child,checked);
});
}
},this);},
parentChecked:function(node,checked){
var parentNode = node.parentNode;
checked = parentNode == null?null:checked;
TreeNodeCheck.setNodeChecked(node,checked); //设置父节点不选 中
if(parentNode !=null){ //如果父节点不为空则展开
var flag = false;
parentNode.eachChild(function(child) {
if(child.data.checked == true){
flag = true;
}
});
if(checked == false){
if(!flag){
TreeNodeCheck.parentChecked(parentNode,checked);
}
}else{
if(flag){
TreeNodeCheck.parentChecked(parentNode,checked);
}
}
}}
};
Ext.define("OrgTreePanel", {
extend: "Ext.tree.Panel",
store : orgStore,
rootVisible: true,
useArrows: true,
frame : true,
autoScroll : true,
padding:'10 10 10 10',
selectIds:function(){
var records =this.getView().getChecked(),
ids = [];
Ext.Array.each(records, function(rec){
ids.push(rec.get('id'));
});
return ids.join(",");
},
listeners:{
/**itemexpand:function(node,eOpts,aa){
console.info('-------------------beforeitemexpand');
//isCheckEvent = false;
if(isCheckEvent){
isCheckEvent = null
}else if(isCheckEvent == null){
isCheckEvent = false;
}
},**/
checkchange:function (node,checked,eOpts){
isCheckEvent = true;
isChecked = checked;
TreeNodeCheck.childChecked(node,checked);
TreeNodeCheck.parentChecked(node,checked); },
load:function( store, records, successful, operation, eOpts ){
/*if(records.data.checked!=null){
console.log("-----------------"+records.data.checked+",isCheckEvent:"+isCheckEvent+",isChecked:"+isChecked); if(isCheckEvent || isCheckEvent == null){ }
Ext.Array.each(successful, function(rec){
TreeNodeCheck.childChecked(rec, isChecked);
});
}*/ /*if(records.data.checked!=null){
var hasChecked = false;
Ext.Array.each(successful, function(rec){
if(rec.data.checked){
hasChecked = true;
return false;
}
});
if(!records.data.checked){
if(hasChecked){
Ext.Array.each(successful, function(rec){
TreeNodeCheck.childChecked(rec,false);
});
}
}else{
if(!hasChecked){
Ext.Array.each(successful, function(rec){
TreeNodeCheck.childChecked(rec,true);
});
}
}
}*/
}
}
});