Hi,
I can suggest the following solution - override the TreeDropZone's completeDrop function sorting the dropped nodes.
The solution is between the "//start of solution" and "//end of solution" comments.
As well, default sorting is set up for the Store.
<SortInfo Field="company" Direction="ASC" />
Example
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
private object[] TestData
{
get
{
DateTime now = DateTime.Now;
return new object[]
{
new object[] { "3m Co", 71.72, 0.02, 0.03, now },
new object[] { "Alcoa Inc", 29.01, 0.42, 1.47, now },
new object[] { "Altria Group Inc", 83.81, 0.28, 0.34, now },
new object[] { "American Express Company", 52.55, 0.01, 0.02, now },
new object[] { "American International Group, Inc.", 64.13, 0.31, 0.49, now },
new object[] { "AT&T Inc.", 31.61, -0.48, -1.54, now },
new object[] { "Boeing Co.", 75.43, 0.53, 0.71, now },
new object[] { "Caterpillar Inc.", 67.27, 0.92, 1.39, now },
new object[] { "Citigroup, Inc.", 49.37, 0.02, 0.04, now },
new object[] { "E.I. du Pont de Nemours and Company", 40.48, 0.51, 1.28, now },
new object[] { "Exxon Mobil Corp", 68.1, -0.43, -0.64, now },
new object[] { "General Electric Company", 34.14, -0.08, -0.23, now },
new object[] { "General Motors Corporation", 30.27, 1.09, 3.74, now },
new object[] { "Hewlett-Packard Co.", 36.53, -0.03, -0.08, now },
new object[] { "Honeywell Intl Inc", 38.77, 0.05, 0.13, now },
new object[] { "Intel Corporation", 19.88, 0.31, 1.58, now },
new object[] { "International Business Machines", 81.41, 0.44, 0.54, now },
new object[] { "Johnson & Johnson", 64.72, 0.06, 0.09, now },
new object[] { "JP Morgan & Chase & Co", 45.73, 0.07, 0.15, now },
new object[] { "McDonald\"s Corporation", 36.76, 0.86, 2.40, now },
new object[] { "Merck & Co., Inc.", 40.96, 0.41, 1.01, now },
new object[] { "Microsoft Corporation", 25.84, 0.14, 0.54, now },
new object[] { "Pfizer Inc", 27.96, 0.4, 1.45, now },
new object[] { "The Coca-Cola Company", 45.07, 0.26, 0.58, now },
new object[] { "The Home Depot, Inc.", 34.64, 0.35, 1.02, now },
new object[] { "The Procter & Gamble Company", 61.91, 0.01, 0.02, now },
new object[] { "United Technologies Corporation", 63.26, 0.55, 0.88, now },
new object[] { "Verizon Communications", 35.57, 0.39, 1.11, now },
new object[] { "Wal-Mart Stores, Inc.", 45.45, 0.73, 1.63, now }
};
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!X.IsAjaxRequest)
{
this.Store1.DataSource = this.TestData;
this.Store1.DataBind();
}
}
protected void MyData_Refresh(object sender, StoreRefreshDataEventArgs e)
{
this.Store1.DataSource = this.TestData;
this.Store1.DataBind();
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Ext.NET Example</title>
<ext:ResourcePlaceHolder runat="server" Mode="ScriptFiles" />
<script type="text/javascript">
Ext.tree.TreeDropZone.override({
completeDrop : function (de) {
var ns = de.dropNode,
p = de.point,
t = de.target,
n,
i,
len;
if(!Ext.isArray(ns)){
ns = [ns];
}
//start of solution
if (p === "above") {
ns.sort(sortFn);
} else if (p === "below") {
ns.sort(sortFnDesc);
}
//end of solution
for (i = 0, len = ns.length; i < len; i++){
n = ns[i];
if (p === "above") {
t.parentNode.insertBefore(n, t);
} else if (p === "below") {
t.parentNode.insertBefore(n, t.nextSibling);
} else {
t.appendChild(n);
}
}
n.ui.focus();
if (Ext.enableFx && this.tree.hlDrop) {
n.ui.highlight();
}
t.ui.endDrop();
this.tree.fireEvent("nodedrop", de);
}
});
var sortFn = function (a, b, dir) {
var res = 0;
if (a.text < b.text) {
res = -1;
} else if (a.text > b.text) {
res = 1;
}
return res * (dir || 1);
};
var sortFnDesc = function (a, b) {
return sortFn(a, b, -1);
};
</script>
<script type="text/javascript">
var beforenodedrop = function (e) {
if (Ext.isArray(e.data.selections)) {
var rec,
i;
e.cancel = false;
e.dropNode = [];
for (i = 0; i < e.data.selections.length; i++) {
rec = e.data.selections[i];
e.dropNode.push(this.loader.createNode({
text : rec.get("company"),
leaf : true,
price : rec.get("price"),
change : rec.get("change"),
qtip : rec.get("lastChange")
}));
}
return true;
}
};
</script>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:Store ID="Store1" runat="server" OnRefreshData="MyData_Refresh">
<Reader>
<ext:ArrayReader>
<Fields>
<ext:RecordField Name="company" />
<ext:RecordField Name="price" Type="Float" />
<ext:RecordField Name="change" Type="Float" />
<ext:RecordField Name="pctChange" Type="Float" />
<ext:RecordField Name="lastChange" Type="Date" />
</Fields>
</ext:ArrayReader>
</Reader>
<SortInfo Field="company" Direction="ASC" />
</ext:Store>
<ext:Panel
runat="server"
Width="700"
Height="400"
Layout="BorderLayout">
<Items>
<ext:GridPanel
runat="server"
Region="Center"
MarginsSummary="5 0 5 5"
Title="Grid"
StoreID="Store1"
StripeRows="true"
AutoExpandColumn="Company"
EnableDragDrop="true"
DDGroup="grid2tree">
<ColumnModel runat="server">
<Columns>
<ext:Column
ColumnID="Company"
Header="Company"
Width="160"
Sortable="true"
DataIndex="company"
/>
<ext:Column
Header="Price"
Width="75"
Sortable="true"
DataIndex="price">
<Renderer Format="UsMoney" />
</ext:Column>
</Columns>
</ColumnModel>
<SelectionModel>
<ext:RowSelectionModel runat="server" />
</SelectionModel>
<LoadMask ShowMask="true" />
<BottomBar>
<ext:PagingToolbar runat="server" PageSize="10" />
</BottomBar>
</ext:GridPanel>
<ext:TreePanel
runat="server"
Region="East"
Split="true"
MarginsSummary="5 5 5 0"
Width="300"
Title="tree"
AutoScroll="true"
Collapsible="true"
EnableDD="true"
DDGroup="grid2tree">
<Root>
<ext:TreeNode Text="Root" Expanded="true">
<Nodes>
<ext:TreeNode
Text="Folder 1"
Qtip="Rows dropped here will be appended to the folder">
<Nodes>
<ext:TreeNode
Text="Subleaf 1"
Qtip="Subleaf 1 Quick Tip"
Leaf="true" />
</Nodes>
</ext:TreeNode>
<ext:TreeNode
Text="Folder 2"
Qtip="Rows dropped here will be appended to the folder">
<Nodes>
<ext:TreeNode
Text="Subleaf 2"
Qtip="Subleaf 2 Quick Tip"
Leaf="true" />
</Nodes>
</ext:TreeNode>
<ext:TreeNode
Text="Leaf 1"
Qtip="Leaf 1 Quick Tip"
Leaf="true" />
</Nodes>
</ext:TreeNode>
</Root>
<Listeners>
<BeforeNodeDrop Fn="beforenodedrop" />
</Listeners>
</ext:TreePanel>
</Items>
</ext:Panel>
</form>
</body>
</html>