private bool ChangeParent(BoundTreeNode node)
{
var message = string.Empty;
var dataParentId = _parentIdentifierProperty.GetValue(_listManager.List[node.Position]);
if (dataParentId == null)
{
node.Remove();
Nodes.Add(node);
return true;
}
if (node.ParentNodeId == null || node.ParentNodeId.GetHashCode() != dataParentId.GetHashCode())
{
if (node.NodeId.GetHashCode() == dataParentId.GetHashCode())
{
message = "Node cannot be its own parent.";
}
else
{
var newParentNode = _itemsIdentifiers[dataParentId] as BoundTreeNode;
if (newParentNode == null)
{
message = "Item not found or wrong type.";
}
else
{
if (IsOwnAncestor(node, newParentNode))
{
message = "Node cannot be its own ancestor.";
}
else
{
node.Remove();
newParentNode.Nodes.Add(node);
CheckAccess(node);
SelectedNode = node;
if (SelectedNode != null)
SelectedNode.EnsureVisible();
return true;
}
}
}
}
if (message != string.Empty)
{
Logger.Warn(message);
node.NodeError = true;
return false;
}
return true;
}
