private void xamDataTreeAccount_NodeDragEnd(object sender, Infragistics.DragDrop.DragDropEventArgs e)
{
if (e.OperationType != null && e.OperationType == OperationType.Copy)
{
XamDataTreeNode origNode = e.Data as XamDataTreeNode;
if (origNode == null)
{
return;
}
PortfolioVM porfVm = origNode.Data as PortfolioVM;
if (porfVm == null)
{
return;
}
XamDataTreeNodeControl treeNodeCtrl = e.DropTarget as XamDataTreeNodeControl;
if (treeNodeCtrl == null)
{
return;
}
AccountVM acctVm = treeNodeCtrl.Node.Data as AccountVM;
if (acctVm == null)
{
return;
}
XElement portfElem = porfVm.Persist();
var cloned = PortfolioVM.Load(acctVm, portfElem);
acctVm.AddPorfolio(cloned);
ViewModel.Persist();
}
}
public static XamDataTreeNode FindTreeNodeFromDataItem(XamDataTree tree, object dataItem)
{
XamDataTreeNode targetNode = null;
Action <XamDataTreeNode, object> findNode = (n, dItem) =>
{
if (n.HasChildren)
{
foreach (var item in n.Nodes)
{
if (targetNode != null)
{
return;
}
if (item.Data == dItem)
{
targetNode = item;
}
}
}
};
foreach (var node in tree.Nodes)
{
if (node.Data == dataItem)
{
return(node);
}
}
foreach (var node in tree.Nodes)
{
if (targetNode == null)
{
findNode(node, dataItem);
}
}
return(targetNode);
}
public static IEnumerable <XamDataTreeNode> Descendants(XamDataTreeNode root)
{
var nodes = new Stack <XamDataTreeNode>(new[] { root });
while (nodes.Any())
{
XamDataTreeNode node = nodes.Pop();
yield return(node);
if (node != null)
{
foreach (var n in node.Nodes)
{
if (n != null)
{
nodes.Push(n);
}
}
}
}
}
