asp.net1.1下許可權配置系統從設計到實現(四)

繼續上次的吧，本來還有點瞌睡:) (昨晚的德國VS哥隊夠精彩)，還是堅持寫完吧.今天說哈怎麼實現Select All  TreeView全部節點的功能？怎麼實現展開和摺疊自如？
請看：
節點全部選中的實現：function SelectAllFunctions()
        {          
            var tree= document.getElementById('<%=tvRoleFunctions.ClientID%>');
            var chckAll=document.getElementById('<%=chSelectAll.ClientID%>');
            var NodeArray=tree.getChildren();        
            for(var i=0;i<NodeArray.length;i++)
            {
                    cNode=NodeArray[i];
                    if(chckAll.checked )
                    {
                         cNode.setAttribute('checked',true);
                         GetSelectedFunctionID(cNode);
                         Checked(cNode);                             
                    }
                    else
                    {
                     cNode.setAttribute('checked',false);
                     UnChecked(cNode);
                     }
            }
                    
        }    

function Checked(node)
        {
                var NodeArray=node.getChildren();
                for(var i=0;i<NodeArray.length;i++)
                {
                     childNode=NodeArray[i];
                     childNode.setAttribute('checked',true);
                }
        }function UnChecked(node)
        {
                var NodeArray=node.getChildren();
                for(var i=0;i<NodeArray.length;i++)
                {
                     cNode=NodeArray[i];
                     cNode.setAttribute('checked',false);
                }
            
        }

節點的展開和摺疊實現：//TreeView的節點展開收回
function ExpandAllNodes()
{
   var tree=document.getElementById('<%=tvRoleFunctions.ClientID%>');
   Expandedall(tree);
}

function CollospaeAllNodes()
{
 var tree=document.getElementById('<%=tvRoleFunctions.ClientID%>');
 Unexpandedall(tree);
}function Expandedall(node)
{
        var i = 0;
        var nodes = new Array();
        nodes = node.getChildren();
        //alert(nodes.length);
        for(i = 0; i < nodes.length; i++)
        {
            var cNode;
            cNode=nodes[i];
            cNode.setAttribute("expanded", "true");
            if(parseInt(cNode.getChildren().length) != 0 )
            {
                Expandedall(cNode);
            }
        }
}function Unexpandedall(node)
{
        var i = 0;
        var nodes = new Array();
        nodes = node.getChildren();
        for(i = 0; i < nodes.length; i++)
        {
            var cNode;
            cNode=nodes[i];
            if(parseInt(cNode.getChildren().length) != 0 )
            {
                Unexpandedall(cNode);
            }
            cNode.setAttribute("expanded", "false");
        }
}

這個怎麼調用就不用說了吧！呵呵........
下次寫作預告：
在Firefox下TreeView的父子節點聯動實現、節點的全部選擇和節點的展開和摺疊實現.....