easyui 中的treegrid添加checkbox

<script type="text/javascript">
function show(checkid){
      var s = '#check_'+checkid;
      //alert( $(s).attr("id"));
      // alert($(s)[0].checked);
      /*选子节点*/
       var nodes = $("#test").treegrid("getChildren",checkid);
       for(i=0;i<nodes.length;i++){
          $(('#check_'+nodes[i].id))[0].checked = $(s)[0].checked;
           
       }
       //选上级节点
       if(!$(s)[0].checked){
         var parent = $("#test").treegrid("getParent",checkid);
         $(('#check_'+parent.id))[0].checked  = false;
         while(parent){
           parent = $("#test").treegrid("getParent",parent.id);
            $(('#check_'+parent.id))[0].checked  = false;
         }
       }else{
         var parent = $("#test").treegrid("getParent",checkid);
         var flag= true;
         var sons = parent.sondata.split(',');         
         for(j=0;j<sons.length;j++){
            if(!$(('#check_'+sons[j]))[0].checked){
            flag = false;
            break;
            }
         }
         if(flag)
         $(('#check_'+parent.id))[0].checked  = true;
         while(flag){
             parent = $("#test").treegrid("getParent",parent.id);
            if(parent){
            sons = parent.sondata.split(',');
            for(j=0;j<sons.length;j++){
            if(!$(('#check_'+sons[j]))[0].checked){
            flag = false;
            break;
            }
           }
         }
          if(flag)
         $(('#check_'+parent.id))[0].checked  = true;
         }
       }
    }
     
    function formatcheckbox(val,row){
      
 return "<input type='checkbox' onclick=show('"+row.id+"')  
id='check_"+row.id+"' "+(row.checked?'checked':'')+"/>" + row.name;
    }
    function init(){
     //去掉结点前面的文件及文件夹小图标
      $(".tree-icon,.tree-file").removeClass("tree-icon tree-file");
      $(".tree-icon,.tree-folder").removeClass("tree-icon tree-folder tree-folder-open tree-folder-closed"); 
    }
     
    //获取选中的结点
function getSelected(){ 
    var idList = "";  
     $("input:checked").each(function(){
        var id = $(this).attr("id"); 
         
        if(id.indexOf('check_type')== -1 && id.indexOf("check_")>-1)
            idList += id.replace("check_",'')+',';
          
     })
    alert(idList);
}
 
 
  </script>
</head>
   
  <body onload="init()">
  <input type="button" value="showselectNode" onclick="getSelected();">
   <table id="test" title="Folder Browser" class="easyui-treegrid" style="width:400px;height:300px"
            url="treegrid_data.json"
            rownumbers="true" 
            idField="id" treeField="name">
        <thead>
            <tr>
                <th field="name" width="160" formatter="formatcheckbox">Name</th>
                <th field="size" width="60" align="right">Size</th>
                <th field="date" width="100">Modified Date</th>
            </tr>
        </thead>
    </table>
  </body>
</html>

 

[{
    "id":"type_1",
    "name":"C",
    "size":"",
    "date":"02/19/2010",
    "sondata":"type_2,type_3",
    "children":[{
        "id":"type_2",
        "name":"Program Files",
        "size":"120 MB",
        "date":"03/20/2010",
        "checked":true,
        "sondata":"21,22",
        "children":[{
            "id":21,
            "name":"Java",
            "size":"",
            "date":"01/13/2010",
            "state":"closed",
            "sondata":"211,212",
            "children":[{
                "id":211,
                "name":"java.exe",
                "size":"142 KB",
                "date":"01/13/2010",
                "sondata":""
            },{
                "id":212,
                "name":"jawt.dll",
                "size":"5 KB",
                "date":"01/13/2010",
                "sondata":""
            }]
        },{
            "id":22,
            "name":"MySQL",
            "size":"",
            "date":"01/13/2010",
            "state":"closed",
            "sondata":"221,222,223",
            "children":[{
                "id":221,
                "name":"my.ini",
                "size":"10 KB",
                "date":"02/26/2009",
                "sondata":""
            },{
                "id":222,
                "name":"my-huge.ini",
                "size":"5 KB",
                "date":"02/26/2009",
                "sondata":""
            },{
                "id":223,
                "name":"my-large.ini",
                "size":"5 KB",
                "date":"02/26/2009",
                "sondata":""
            }]
        }]
    },{
        "id":"type_3",
        "name":"eclipse",
        "size":"",
        "date":"01/20/2010",
        "sondata":"31,32,33",
        "children":[{
            "id":31,
            "name":"eclipse.exe",
            "size":"56 KB",
            "date":"05/19/2009",
            "sondata":""
        },{
            "id":32,
            "name":"eclipse.ini",
            "size":"1 KB",
            "date":"04/20/2010",
            "sondata":""
        },{
            "id":33,
            "name":"notice.html",
            "size":"7 KB",
            "date":"03/17/2005",
            "sondata":""
        }]
    }]
}]

 

posted @ 2014-09-19 20:59  北斗极星  阅读(4616)  评论(0编辑  收藏  举报