public void PerformDragAndDrop(RadTreeViewDropPosition dropPosition, RadTreeNode sourceNode,
RadTreeNode destNode)
{
if (sourceNode.Equals(destNode) || sourceNode.IsAncestorOf(destNode))
{
return;
}
//Do not remove relation here.
//sourceNode.Owner.Nodes.Remove(sourceNode);
var shareHolders = new ShareHolders();
bool validation = false;
switch (dropPosition)
{
case RadTreeViewDropPosition.Over:
validation = shareHolders.AddSubsidiary(destNode.Text, sourceNode.Text);
// child
if (!sourceNode.IsAncestorOf(destNode) && validation == true)
{
destNode.Nodes.Add(sourceNode);
}
IsUpdated = validation;
break;
case RadTreeViewDropPosition.Above:
validation = shareHolders.AddSubsidiary(destNode.ParentNode.Text, sourceNode.Text);
// sibling - above
if (validation == true)
{
destNode.InsertBefore(sourceNode);
}
IsUpdated = validation;
break;
case RadTreeViewDropPosition.Below:
validation = shareHolders.AddSubsidiary(destNode.Text, sourceNode.Text);
// sibling - below
if (validation == true)
{
destNode.InsertAfter(sourceNode);
}
IsUpdated = validation;
break;
}
}
