public static bool MoveNode(Data.Node movedNode, Data.NodeBase targetParent, int targetIndex)
{
// Check
if (movedNode.Parent == targetParent && targetIndex != int.MaxValue)
{
var index = targetParent.Children.Internal.Select((i, n) => Tuple35.Create(i, n)).FirstOrDefault(_ => _.Item1 == movedNode).Item2;
// Not changed.
if (index == targetIndex || index + 1 == targetIndex)
{
return(false);
}
}
if (movedNode == targetParent)
{
return(false);
}
Func <Data.Node, bool> isFound = null;
isFound = (Data.Node n) =>
{
if (n.Children.Internal.Any(_ => _ == targetParent))
{
return(true);
}
foreach (var n_ in n.Children.Internal)
{
if (isFound(n_))
{
return(true);
}
}
return(false);
};
if (isFound(movedNode))
{
return(false);
}
//
if (targetParent == movedNode.Parent && targetIndex != int.MaxValue)
{
var index = targetParent.Children.Internal.Select((i, n) => Tuple35.Create(i, n)).FirstOrDefault(_ => _.Item1 == movedNode).Item2;
if (index < targetIndex)
{
targetIndex -= 1;
}
}
Command.CommandManager.StartCollection();
movedNode.Parent.RemoveChild(movedNode);
targetParent.AddChild(movedNode, targetIndex);
Command.CommandManager.EndCollection();
return(true);
}
public static bool MoveNode(Data.Node movedNode, Data.NodeBase targetParent, int targetIndex)
{
Command.CommandManager.StartCollection();
movedNode.Parent.RemoveChild(movedNode);
targetParent.AddChild(movedNode, targetIndex);
Command.CommandManager.EndCollection();
return(true);
}