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ext:TreePanel 动态添加和单击事件

2024-07-06 03:57:25   224人阅读

        <ext:TreePanel 
            ID="UserTreePanel" 
            runat="server" 
            Title="用户结构图" 
            AutoHeight="true" 
            Border="false"> 
            <Listeners>
                <BeforeLoad Fn="nodeLoad" />
                <Click Handler="clickTree1(node);" />
            </Listeners>
            
        </ext:TreePanel>

 

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<ext:XScript ID="XScript1" runat="server">
    <script>
        var nodeLoad =  function(node) {
             #{DirectMethods}.NodeLoad(node.id, {
                success: function (result) {
                    var data = http://www.mamicode.com/eval("(" + result + ")");
                    node.loadNodes(data);
                },
 
                failure: function (errorMsg) {
                    Ext.Msg.alert(‘Failure‘, errorMsg);
                }
            });
        }
        var clickTree1 = function (node) { 
            #{DirectMethods}.ClickTree(node.id);
         }
 
    </script>
</ext:XScript>

 

 [DirectMethod]
        public string NodeLoad(string nodeID)
        {
            Ext.Net.TreeNodeCollection nodes = new Ext.Net.TreeNodeCollection();
             
            if (!string.IsNullOrEmpty(nodeID))
            {
                List<sp_GetUserByReferee_Result> list = _edm.sp_GetUserByReferee(nodeID).ToList();

                foreach (var item in list)
                {
                    AsyncTreeNode asyncNode = new AsyncTreeNode();
                    asyncNode.Text = item.User_DisplayName;
                    asyncNode.NodeID = item.User_Name;
                    asyncNode.Icon = Icon.User;
                    nodes.Add(asyncNode);

                } 
            }

            return nodes.ToJson();
        }

        [DirectMethod]
        public void ClickTree(string nodeID)
        { 
            if (!string.IsNullOrEmpty(nodeID))
            {
                XF_User user = _edm.XF_User.First(c => c.User_Name == nodeID);
                ucEdit.LoadData(user.Id);
                ucEdit.Show(); 
            } 
        }

 


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