public NodeAddress DeleteItem(NodeAddress na)
{
NodeAddress res;
if (na.NodeType == NodeType.Category)
{
if (_Data.Count > 1)
{
_Data.Remove(GetCategory(na.Address[0]));
res = _Map.DeleteNode(na);
}
else
{
res = na;
}
}
else
{
GetElement(na.GetParent()).Delete(na.GetLast());
res = _Map.DeleteNode(na);
}
if (res.IsEqual(na))
{
MessageBox.Show($"You cannot delete {na.GetLast()} as it is the last element of [{na.GetParent().GetLabelText()}]!");
}
return(res);
}
public void MoveNode(NodeAddress draggedNode, NodeAddress refNode)
{
NodeAddress parent = draggedNode.GetParent();
if (parent.IsEqual(refNode.GetParent()))
{
TreeViewMappingElement tvme = GetElement(parent);
tvme.MoveNode(draggedNode.GetLast(), refNode.GetLast());
}
if (parent.IsEqual(refNode))
{
TreeViewMappingElement tvme = GetElement(parent);
tvme.MoveNode(draggedNode.GetLast());
}
}
internal NodeAddress DeleteNode(NodeAddress na)
{
NodeAddress refNode = na.GetParent();
TreeViewMappingElement tvme = GetElement(refNode);
refNode.AddLast(tvme.Delete(na.GetLast()));
return(refNode);
}