checktree

public class CheckTreeWrite { private static DaoFactory dao = HibernateDaoFactory.getDaoFactory(); static String scripthead = " "; static String scriptend = " "; static String scriptbody = "";  public static void clear() {  scripthead = " ";  scriptend = " function changeAllChild(parent){for(var i=0;i<parent.childNodes.length;i++){ parent.childNodes[i].getUI().onRender();  parent.childNodes[i].getUI().toggleCheck (parent.getUI().isChecked ());  changeAllChild(parent.childNodes[i]) }   };";  scriptend += " function changeAllParent(child){if(child==root){return;}; if(child.getUI().checkbox.checked==true){ child.parentNode .getUI().checkbox.checked=true;}  changeAllParent(child.parentNode) ;   };";  scriptend += " function removeAllcheckchange(parent){for(var i=0;i<parent.childNodes.length;i++){  parent.removeListener(/"checkchange/",changebottom ); removeAllcheckchange(parent.childNodes[i]) }   };";  scriptend += " function addAllcheckchange(parent){for(var i=0;i<parent.childNodes.length;i++){  parent.addListener(/"checkchange/",changebottom ); addAllcheckchange(parent.childNodes[i]) }   };";  scriptbody = ""; }   public static String getCheckBoxTree(List<TreeItem> list, String rootname,   String url) {  clear();  if (rootname == null || rootname.equals("")) {   rootname = "root";  }

  if (url == null || url.equals("")) {   url = "javascript:void(0)";  }  scriptbody += "var root=new Ext.tree.TreeNode({listeners:{        'checkchange':function changebottom()         {  changeAllChild(root)  } },checked:false,id:/"root/",text:/""    + " "+rootname + " /",href:'" + url    + "',hrefTarget:'rightFrame',expanded:true});/n";

  TreeItem it;      HashMap deptidMap=new HashMap();  for (int i = 0; i < list.size(); i++) {   it = (TreeItem) list.get(i);     deptidMap.put(it.getItemId(), it);//放入hashMap，用于子结点引用   if (it.getItemLev() == 1) {    AddTreeItem(it,false);//根结点

   } else {          AddTreeItem(it,(TreeItem)deptidMap.get(it.getItemRef()),false);    

   }

  }

  return scripthead + scriptbody + scriptend; }    public static TreeItem AddTreeItem(TreeItem po, boolean tar) {  scriptbody += "var obj" + po.getItemId()  + "=new Ext.tree.TreeNode({listeners:{        'checkchange':function changebottom()         {  changeAllChild(obj" + po.getItemId()+")  } },checked:false,id:/"" + po.getItemId()  + "/",text:/" "+po.getItemName() + " /",href:/"" + po.getUrl();  if (tar)   scriptbody += "/",hrefTarget:'rightFrame'});/n";  else   scriptbody += "/"});/n";    scriptbody += "root.appendChild(obj" + po.getItemId() + ");/n";    //自身有子结点列表  if(po.getTreeItems()!=null&&po.getTreeItems().size()>0)  {   for(int i=0;i<po.getTreeItems().size();i++)   {   AddTreeItem((TreeItem)po.getTreeItems().get(i),po, false);   }  }     return po;   }  public static TreeItem AddTreeItem(TreeItem po, TreeItem parent, boolean tar) {  scriptbody += "var obj" + po.getItemId()  + "=new Ext.tree.TreeNode({listeners:{        'checkchange':function changebottom()         {  changeAllChild(obj" + po.getItemId()+")  } },checked:false,id:/"" + po.getItemId()  + "/",text:/""+po.getItemName() + "/",href:/"" + po.getUrl();  if (tar)   scriptbody += "/",hrefTarget:'rightFrame'});/n";  else   scriptbody += "/"});/n";    scriptbody += "obj" + parent.getItemId() + ".appendChild(obj"  + po.getItemId() + ");/n";      //自身有子结点列表  if(po.getTreeItems()!=null&&po.getTreeItems().size()>0)  {   for(int i=0;i<po.getTreeItems().size();i++)   {   AddTreeItem((TreeItem)po.getTreeItems().get(i),po, false);   }  }      return po;   } 

        }--------------------------

 

Ext.onReady(function(){

 var root=new Ext.tree.TreeNode({listeners:{        'checkchange':function changebottom()         {  changeAllChild(root)  } },checked:false,id:"root",text:" 模块列表 ",href:'/sys/sysnodeAction.action',hrefTarget:'rightFrame',expanded:true});var obj01=new Ext.tree.TreeNode({listeners:{        'checkchange':function changebottom()         {  changeAllChild(obj01)  } },checked:false,id:"01",text:" 系统管理 ",href:"javascript:void(0)"});root.appendChild(obj01);var obj02=new Ext.tree.TreeNode({listeners:{        'checkchange':function changebottom()         {  changeAllChild(obj02)  } },checked:false,id:"02",text:" 基础资料 ",href:"javascript:void(0)"});root.appendChild(obj02);    tree=new Ext.tree.TreePanel({  waitTitle : '请稍候',     waitMsg : '正在加载......',renderTo:document.body,root:root,width:document.body.scrollWidth,height:window.screen.availHeight  });

 tree.doLayout( );  //接下来，初始化设置   var frameobj=opener.parent.rightFrame;             var selectRows = frameobj.grid.getSelectionModel().getSelections();              var roleid=selectRows[0].get('roleid');                            var olddata=getSysRoleLimitsList(roleid);//数据库得到的数据                     olddata=eval("["+olddata+"]");                                     changeAllChild(root);//这样，所在结点都会被加载           removeAllcheckchange(root);            for(var j=0;j<olddata.length;j++)                              {                       var lastobj=eval("obj"+olddata[j][0]+"$"+olddata[j][1]);                                    var check;            if(olddata[j][2]=='0')            {            check=false;            }            else            {            check=true;            }                        //lastobj.getUI().toggleCheck(check);             lastobj.getUI().checkbox.checked=check;            changeAllParent(lastobj);                                                  }           addAllcheckchange(root);

});