[CLOSED] click treepanel node can not be show on the column of gridpanel?

**hdsoso** · Jun 21, 2013, 1:53 PM

<ext:Column runat="server" Flex="1" Text="菜单">
                        <Editor>
                            <ext:DropDownField runat="server" Mode="ValueText">
                                <Component>
                                    <ext:TreePanel runat="server" ID="menu_tp" RootVisible="true" EnableDD="true">
                                         
                                        <Store>
                                            <ext:TreeStore runat="server" ID="menu_store">
                                                <Root>
                                                    <ext:Node Text="根菜单" Expanded="True">
                                                        <CustomAttributes>
                                                            <ext:ConfigItem Name="id" Value="0" runat="server" />
                                                            <ext:ConfigItem Name="name" Value="根菜单" runat="server" />
                                                            <ext:ConfigItem Name="pid" Value="-1" runat="server" />
                                                            <ext:ConfigItem Name="url" Value="" runat="server" />
                                                        </CustomAttributes>

                                                    </ext:Node>

                                                </Root>
                                                <Proxy>
                                                    <ext:AjaxProxy Url="../handlers/Handler_menu1.ashx">
                                                    </ext:AjaxProxy>
                                                </Proxy>
                                                <Model>
                                                    <ext:Model ID="Model1" runat="server" IDProperty="id">
                                                        <Fields>
                                                            <ext:ModelField runat="server" Name="id"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="name"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="pid"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="url"></ext:ModelField>
                                                        </Fields>
                                                    </ext:Model>
                                                </Model>
                                                 

                                            </ext:TreeStore>
                                        </Store>
                                        <ColumnModel>
                                            <Columns>
                                              
                                                <ext:TreeColumn ID="TreeColumn1" runat="server" Text="名称" DataIndex="name" Flex="1"> 
                                                </ext:TreeColumn>
                                                 
                                            </Columns>
                                        </ColumnModel>
                                        
                                         
                                         
                                    </ext:TreePanel>
                                </Component>
                            </ext:DropDownField>
                        </Editor>

                    </ext:Column>

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**Daniil** · Jun 21, 2013, 3:55 PM

Hi @hdsoso,

Sorry, I can't understand the requirement. I can't see a GridPanel in the code snippet. Maybe, you need to listen to the TreePanel's ItemClick event and bind a clicked note to a GridPanel.

**hdsoso** · Jun 21, 2013, 4:36 PM

Originally Posted by Daniil

Hi @hdsoso,

Sorry, I can't understand the requirement. I can't see a GridPanel in the code snippet. Maybe, you need to listen to the TreePanel's ItemClick event and bind a clicked note to a GridPanel.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="role.aspx.cs" Inherits="extdemo.pages.role" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>角色管理</title>

</head>
<body>
    <form id="form1" runat="server">
        <ext:ResourceManager runat="server"></ext:ResourceManager>
        <ext:GridPanel runat="server" ID="gp_role" Title="角色管理">
            <TopBar>
                <ext:Toolbar runat="server">
                    <Items>
                        <ext:Button ID="btn_add" runat="server" Icon="Add" Text="新增">
                            <Listeners>
                                <Click Handler="App.store_role.insert(0,{rolename:'新角色'});App.btn_save.enable();"></Click>
                            </Listeners>
                        </ext:Button>
                        <ext:Button runat="server" Text="删除" Icon="Delete" ID="btn_del">
                            <Listeners>
                                <Click Handler="var selection = #{RowSelectionModel}.getSelection();
                                                if (selection) {
                                                    #{gp_role}.store.remove(selection);
                                                };App.btn_save.enable();" />
                            </Listeners>
                        </ext:Button>
                        <ext:Button ID="btn_save" runat="server" Icon="Disk" Text="确定" Disabled="True">
                            <DirectEvents>
                                <Click OnEvent="e_save" Before="return #{store_role}.isDirty();">
                                    <ExtraParams>
                                        <ext:Parameter Name="data" Value="#{store_role}.getChangedData()" Mode="Raw" Encode="true" />
                                    </ExtraParams>
                                </Click>
                            </DirectEvents>
                        </ext:Button>

                    </Items>
                </ext:Toolbar>
            </TopBar>
            <Store>
                <ext:Store runat="server" ID="store_role">
                    <Proxy>
                        <ext:AjaxProxy Url="~/admin/pages/role_handler.ashx">
                            <ActionMethods Read="GET"></ActionMethods>
                            <Reader>
                                <ext:JsonReader Root="data" />
                            </Reader>
                        </ext:AjaxProxy>
                    </Proxy>
                    <Model>
                        <ext:Model runat="server" IDProperty="id">
                            <Fields>
                                <ext:ModelField runat="server" Name="id">
                                </ext:ModelField>
                                <ext:ModelField runat="server" Name="rolename"></ext:ModelField>
                                <ext:ModelField runat="server" Name="info"></ext:ModelField>
                            </Fields>
                        </ext:Model>
                    </Model>
                </ext:Store>
            </Store>
            <ColumnModel>
                <Columns>
                    <ext:RowNumbererColumn runat="server" />
                    <ext:Column runat="server" DataIndex="id" Text="编号"></ext:Column>
                    <ext:Column runat="server" DataIndex="rolename" Text="角色">
                        <Editor>
                            <ext:TextField runat="server" AllowBlank="False">
                                <Listeners>
                                    <Change Handler="App.btn_save.enable();"></Change>
                                </Listeners>
                            </ext:TextField>
                        </Editor>
                    </ext:Column>
                    <ext:Column runat="server" DataIndex="info" Flex="1" Text="描述">
                        <Editor>
                            <ext:TextField ID="TextField1" runat="server">
                                <Listeners>
                                    <Change Handler="App.btn_save.enable();"></Change>
                                </Listeners>
                            </ext:TextField>
                        </Editor>
                    </ext:Column>
                    <ext:Column runat="server" Flex="1" Text="菜单" ID="col_menu">
                        <Editor>
                            <ext:DropDownField runat="server" Mode="ValueText" ID="ddf_menu">
                                <Component>
                                    <ext:TreePanel runat="server" ID="menu_tp" RootVisible="true" EnableDD="true">

                                        <Store>
                                            <ext:TreeStore runat="server" ID="menu_store">
                                                <Root>
                                                    <ext:Node Text="根菜单" Expanded="True">
                                                        <CustomAttributes>
                                                            <ext:ConfigItem Name="id" Value="0" runat="server" />
                                                            <ext:ConfigItem Name="name" Value="根菜单" runat="server" />
                                                            <ext:ConfigItem Name="pid" Value="-1" runat="server" />
                                                            <ext:ConfigItem Name="url" Value="" runat="server" />
                                                        </CustomAttributes>

                                                    </ext:Node>

                                                </Root>
                                                <Proxy>
                                                    <ext:AjaxProxy Url="../handlers/Handler_menu1.ashx">
                                                    </ext:AjaxProxy>
                                                </Proxy>
                                                <Model>
                                                    <ext:Model ID="Model1" runat="server" IDProperty="id">
                                                        <Fields>
                                                            <ext:ModelField runat="server" Name="id"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="name"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="pid"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="url"></ext:ModelField>
                                                        </Fields>
                                                    </ext:Model>
                                                </Model>


                                            </ext:TreeStore>
                                        </Store>
                                        <ColumnModel>
                                            <Columns>
                                                <ext:CheckColumn runat="server"></ext:CheckColumn>
                                                <ext:TreeColumn ID="TreeColumn1" runat="server" Text="名称" DataIndex="name" Flex="1">
                                                </ext:TreeColumn>

                                            </Columns>
                                        </ColumnModel>
                                        <DirectEvents>
                                            <ItemDblClick OnEvent="NodeDbClick">
                                                <ExtraParams>
                                                    <ext:Parameter runat="server" Name="id" Value="record.data.id" Mode="Raw" />
                                                    <ext:Parameter runat="server" Name="name" Value="record.data.name" Mode="Raw" />
                                                    <ext:Parameter runat="server" Name="leaf" Value="record.data.leaf" Mode="Raw" />
                                                </ExtraParams>
                                            </ItemDblClick>
                                        </DirectEvents>


                                    </ext:TreePanel>
                                </Component>
                            </ext:DropDownField>
                        </Editor>

                    </ext:Column>
                </Columns>
            </ColumnModel>
            <BottomBar>
                <ext:PagingToolbar ID="PagingToolbar1" runat="server">
                </ext:PagingToolbar>
            </BottomBar>
            <Plugins>
                <ext:CellEditing runat="server" ClicksToEdit="1" />
            </Plugins>
            <SelectionModel>
                <ext:RowSelectionModel ID="RowSelectionModel" Mode="Multi" runat="server" />
            </SelectionModel>
        </ext:GridPanel>
    </form>
</body>
</html>

protected void NodeDbClick(object sender, DirectEventArgs e)
        {
            string id = e.ExtraParams["id"];
            string name = e.ExtraParams["name"];
            string leaf = e.ExtraParams["leaf"];
            if (leaf == "true")
            {
                ddf_menu.SetValue(id, name);
            }
        }

can show on column, but when click other column , the text is disappear？

**Baidaly** · Jun 22, 2013, 8:35 AM

Hello!

Sorry, can you clarify your requirements using the following sample:

<%@ Page Language="C#" %>

<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>

<script runat="server">
    protected void NodeLoad(object sender, NodeLoadEventArgs e)
    {
        string prefix = e.ExtraParams["prefix"] ?? "";

        if (!string.IsNullOrEmpty(e.NodeID))
        {
            for (int i = 1; i < 6; i++)
            {
                Node asyncNode = new Node();
                asyncNode.Text = prefix + e.NodeID + i;
                asyncNode.NodeID = e.NodeID + i;
                e.Nodes.Add(asyncNode);
            }

            for (int i = 6; i < 11; i++)
            {
                Node treeNode = new Node();
                treeNode.Text = prefix + e.NodeID + i;
                treeNode.NodeID = e.NodeID + i;
                treeNode.Leaf = true;
                e.Nodes.Add(treeNode);
            }
        }
    }
    
    protected void NodeDbClick(object sender, DirectEventArgs e)
    {
        string id = e.ExtraParams["id"];
        string leaf = e.ExtraParams["leaf"];
        if (leaf == "true")
        {
            X.Msg.Alert("Alert", "isLeaf").Show();
        }
    }
</script>

<!DOCTYPE html>

<html>
<head runat="server">
    <title>TreePanel using PageProxy - Ext.NET Examples</title>
    
    <link href="/resources/css/examples.css" rel="stylesheet" />
</head>
<body>
    <form runat="server">
        <ext:ResourceManager runat="server" />
        
        <h1>TreePanel using PageProxy</h1> 
        
        <p>Set custom node prefix:</p>

        <ext:TextField ID="TextField1" runat="server" Text="Node" Width="200" />
        
        <ext:TreePanel 
            ID="TreePanel1" 
            runat="server" 
            Title="Tree"
            Width="200"
            Height="500" 
            Border="false">
            <Store>
                <ext:TreeStore runat="server" OnReadData="NodeLoad">
                    <Proxy>
                        <ext:PageProxy />
                    </Proxy>
                    <Parameters>
                        <ext:StoreParameter Name="prefix" Value="#{TextField1}.getValue()" Mode="Raw" />
                    </Parameters>
                </ext:TreeStore>
            </Store>
            <Root>
                <ext:Node NodeID="0" Text="Root" />
            </Root>
            <DirectEvents>
                <ItemDblClick OnEvent="NodeDbClick">
                    <ExtraParams>
                        <ext:Parameter runat="server" Name="id" Value="record.data.id" Mode="Raw" />
                        <ext:Parameter runat="server" Name="leaf" Value="record.data.leaf" Mode="Raw" />
                    </ExtraParams>
                </ItemDblClick>
            </DirectEvents>
        </ext:TreePanel>       
    </form>
</body>
</html>

**hdsoso** · Jun 22, 2013, 10:23 AM

Originally Posted by hdsoso

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="role.aspx.cs" Inherits="extdemo.pages.role" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>角色管理</title>

</head>
<body>
    <form id="form1" runat="server">
        <ext:ResourceManager runat="server"></ext:ResourceManager>
        <ext:GridPanel runat="server" ID="gp_role" Title="角色管理">
            <TopBar>
                <ext:Toolbar runat="server">
                    <Items>
                        <ext:Button ID="btn_add" runat="server" Icon="Add" Text="新增">
                            <Listeners>
                                <Click Handler="App.store_role.insert(0,{rolename:'新角色'});App.btn_save.enable();"></Click>
                            </Listeners>
                        </ext:Button>
                        <ext:Button runat="server" Text="删除" Icon="Delete" ID="btn_del">
                            <Listeners>
                                <Click Handler="var selection = #{RowSelectionModel}.getSelection();
                                                if (selection) {
                                                    #{gp_role}.store.remove(selection);
                                                };App.btn_save.enable();" />
                            </Listeners>
                        </ext:Button>
                        <ext:Button ID="btn_save" runat="server" Icon="Disk" Text="确定" Disabled="True">
                            <DirectEvents>
                                <Click OnEvent="e_save" Before="return #{store_role}.isDirty();">
                                    <ExtraParams>
                                        <ext:Parameter Name="data" Value="#{store_role}.getChangedData()" Mode="Raw" Encode="true" />
                                    </ExtraParams>
                                </Click>
                            </DirectEvents>
                        </ext:Button>

                    </Items>
                </ext:Toolbar>
            </TopBar>
            <Store>
                <ext:Store runat="server" ID="store_role">
                    <Proxy>
                        <ext:AjaxProxy Url="~/admin/pages/role_handler.ashx">
                            <ActionMethods Read="GET"></ActionMethods>
                            <Reader>
                                <ext:JsonReader Root="data" />
                            </Reader>
                        </ext:AjaxProxy>
                    </Proxy>
                    <Model>
                        <ext:Model runat="server" IDProperty="id">
                            <Fields>
                                <ext:ModelField runat="server" Name="id">
                                </ext:ModelField>
                                <ext:ModelField runat="server" Name="rolename"></ext:ModelField>
                                <ext:ModelField runat="server" Name="info"></ext:ModelField>
                            </Fields>
                        </ext:Model>
                    </Model>
                </ext:Store>
            </Store>
            <ColumnModel>
                <Columns>
                    <ext:RowNumbererColumn runat="server" />
                    <ext:Column runat="server" DataIndex="id" Text="编号"></ext:Column>
                    <ext:Column runat="server" DataIndex="rolename" Text="角色">
                        <Editor>
                            <ext:TextField runat="server" AllowBlank="False">
                                <Listeners>
                                    <Change Handler="App.btn_save.enable();"></Change>
                                </Listeners>
                            </ext:TextField>
                        </Editor>
                    </ext:Column>
                    <ext:Column runat="server" DataIndex="info" Flex="1" Text="描述">
                        <Editor>
                            <ext:TextField ID="TextField1" runat="server">
                                <Listeners>
                                    <Change Handler="App.btn_save.enable();"></Change>
                                </Listeners>
                            </ext:TextField>
                        </Editor>
                    </ext:Column>
                    <ext:Column runat="server" Flex="1" Text="菜单" ID="col_menu">
                        <Editor>
                            <ext:DropDownField runat="server" Mode="ValueText" ID="ddf_menu">
                                <Component>
                                    <ext:TreePanel runat="server" ID="menu_tp" RootVisible="true" EnableDD="true">

                                        <Store>
                                            <ext:TreeStore runat="server" ID="menu_store">
                                                <Root>
                                                    <ext:Node Text="根菜单" Expanded="True">
                                                        <CustomAttributes>
                                                            <ext:ConfigItem Name="id" Value="0" runat="server" />
                                                            <ext:ConfigItem Name="name" Value="根菜单" runat="server" />
                                                            <ext:ConfigItem Name="pid" Value="-1" runat="server" />
                                                            <ext:ConfigItem Name="url" Value="" runat="server" />
                                                        </CustomAttributes>

                                                    </ext:Node>

                                                </Root>
                                                <Proxy>
                                                    <ext:AjaxProxy Url="../handlers/Handler_menu1.ashx">
                                                    </ext:AjaxProxy>
                                                </Proxy>
                                                <Model>
                                                    <ext:Model ID="Model1" runat="server" IDProperty="id">
                                                        <Fields>
                                                            <ext:ModelField runat="server" Name="id"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="name"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="pid"></ext:ModelField>
                                                            <ext:ModelField runat="server" Name="url"></ext:ModelField>
                                                        </Fields>
                                                    </ext:Model>
                                                </Model>


                                            </ext:TreeStore>
                                        </Store>
                                        <ColumnModel>
                                            <Columns>
                                                <ext:CheckColumn runat="server"></ext:CheckColumn>
                                                <ext:TreeColumn ID="TreeColumn1" runat="server" Text="名称" DataIndex="name" Flex="1">
                                                </ext:TreeColumn>

                                            </Columns>
                                        </ColumnModel>
                                        <DirectEvents>
                                            <ItemDblClick OnEvent="NodeDbClick">
                                                <ExtraParams>
                                                    <ext:Parameter runat="server" Name="id" Value="record.data.id" Mode="Raw" />
                                                    <ext:Parameter runat="server" Name="name" Value="record.data.name" Mode="Raw" />
                                                    <ext:Parameter runat="server" Name="leaf" Value="record.data.leaf" Mode="Raw" />
                                                </ExtraParams>
                                            </ItemDblClick>
                                        </DirectEvents>


                                    </ext:TreePanel>
                                </Component>
                            </ext:DropDownField>
                        </Editor>

                    </ext:Column>
                </Columns>
            </ColumnModel>
            <BottomBar>
                <ext:PagingToolbar ID="PagingToolbar1" runat="server">
                </ext:PagingToolbar>
            </BottomBar>
            <Plugins>
                <ext:CellEditing runat="server" ClicksToEdit="1" />
            </Plugins>
            <SelectionModel>
                <ext:RowSelectionModel ID="RowSelectionModel" Mode="Multi" runat="server" />
            </SelectionModel>
        </ext:GridPanel>
    </form>
</body>
</html>

protected void NodeDbClick(object sender, DirectEventArgs e)
        {
            string id = e.ExtraParams["id"];
            string name = e.ExtraParams["name"];
            string leaf = e.ExtraParams["leaf"];
            if (leaf == "true")
            {
                ddf_menu.SetValue(id, name);
            }
        }

can show on column, but when click other column , the text is disappear？

please see video, when click node , the node's name appear in column ,why click other cloumn , the text of column disapear?
http://screencast.com/t/ekrKfo0N3w2p

**Baidaly** · Jun 24, 2013, 3:26 AM

Thank you for clarification!

Can you say is it necessary to use NodeDbClick or it's possible to do it on the Client-Side?

The problem here is that you should set value for the corresponding record for this column column:

<ext:Column runat="server" Flex="1" Text="菜单" ID="col_menu">

But I there is no DataIndex attribute therefore no associated field in the active record.

If you don't want to set record's value you use the following handler:

<Listeners>
   <ItemDblClick Handler="
	   var value = record.data.task;
	   var text = record.data.task;

	   var grid = this.dropDownField.findParentByType('grid');
	   var row = grid.view.getNode(grid.editingPlugin.activeRecord);
	   var el = Ext.fly(Ext.fly(row).query('.x-grid-cell')[4]).down('div');
	   el.setHTML(text);
	   "></ItemDblClick>
</Listeners>

If you want to set record value then you should declare one more field in the model and use something like this:

<Listeners>
   <ItemDblClick Handler="
	   var value = record.data.task;
	   var text = record.data.task;

	   var grid = this.dropDownField.findParentByType('grid');
	   
	   this.dropDownField.setValue(value, text);
	   grid.editingPlugin.activeRecord.set('anotherField', record.data.text);
	   "></ItemDblClick>
</Listeners>

**hdsoso** · Jun 26, 2013, 5:24 PM

Originally Posted by Baidaly

Thank you for clarification!

Can you say is it necessary to use NodeDbClick or it's possible to do it on the Client-Side?

The problem here is that you should set value for the corresponding record for this column column:

<ext:Column runat="server" Flex="1" Text="菜单" ID="col_menu">

But I there is no DataIndex attribute therefore no associated field in the active record.

If you don't want to set record's value you use the following handler:

<Listeners>
   <ItemDblClick Handler="
	   var value = record.data.task;
	   var text = record.data.task;

	   var grid = this.dropDownField.findParentByType('grid');
	   var row = grid.view.getNode(grid.editingPlugin.activeRecord);
	   var el = Ext.fly(Ext.fly(row).query('.x-grid-cell')[4]).down('div');
	   el.setHTML(text);
	   "></ItemDblClick>
</Listeners>

If you want to set record value then you should declare one more field in the model and use something like this:

<Listeners>
   <ItemDblClick Handler="
	   var value = record.data.task;
	   var text = record.data.task;

	   var grid = this.dropDownField.findParentByType('grid');
	   
	   this.dropDownField.setValue(value, text);
	   grid.editingPlugin.activeRecord.set('anotherField', record.data.text);
	   "></ItemDblClick>
</Listeners>

where to add below ?

<Listeners>
   <ItemDblClick Handler="
	   var value = record.data.task;// is same with text?
	   var text = record.data.task;

	   var grid = this.dropDownField.findParentByType('grid');
	   var row = grid.view.getNode(grid.editingPlugin.activeRecord);
	   var el = Ext.fly(Ext.fly(row).query('.x-grid-cell')[4]).down('div');
	   el.setHTML(text);
	   "></ItemDblClick>
</Listeners>

**Baidaly** · Jun 26, 2013, 7:23 PM

Originally Posted by hdsoso

where to add below ?

<Listeners>
   <ItemDblClick Handler="
	   var value = record.data.task;// is same with text?
	   var text = record.data.task;

	   var grid = this.dropDownField.findParentByType('grid');
	   var row = grid.view.getNode(grid.editingPlugin.activeRecord);
	   var el = Ext.fly(Ext.fly(row).query('.x-grid-cell')[4]).down('div');
	   el.setHTML(text);
	   "></ItemDblClick>
</Listeners>

Sorry, I guess there is some misunderstanding.

var value = record.data.task;// is same with text?
var text = record.data.task;

This up to you, I use this values just to show an example. You can choose what any values in the record that will be value and text of the dropDownField. I guesss in your case it should be:

<Listeners>
   <ItemDblClick Handler="
       var value = record.data.id;
       var text = record.data.name;
 
       var grid = this.dropDownField.findParentByType('grid');
        
      // Set dropDownField
       this.dropDownField.setValue(value, text);
       grid.editingPlugin.activeRecord.set('anotherField', record.data.text);

       // Set grid's cell
       var row = grid.view.getNode(grid.editingPlugin.activeRecord);
       var el = Ext.fly(Ext.fly(row).query('.x-grid-cell')[4]).down('div');
       el.setHTML(text);
       "></ItemDblClick>
</Listeners>

But again, there is no model field for the column in the GridPanel's store:

<ext:Column runat="server" Flex="1" Text="菜单" ID="col_menu">

<ext:Model runat="server" IDProperty="id">
	<Fields>
		<ext:ModelField runat="server" Name="id">
		</ext:ModelField>
		<ext:ModelField runat="server" Name="rolename"></ext:ModelField>
		<ext:ModelField runat="server" Name="info"></ext:ModelField>
	</Fields>
</ext:Model>

And when you set grid's cell it does not change anything in the Grid's store.

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