public PuzzleLayout()
{
_puzzleNodes = new PuzzleNodes();
_puzzleObjects = new PuzzleObjects();
NodeRemoved += node => RemoveObject(node.Position);
ConnectionAdded += _ => LayoutChanged.CallEvent();
ConnectionRemoved += _ => LayoutChanged.CallEvent();
ObjectAdded += (_, __) => LayoutChanged.CallEvent();
ObjectRemoved += _ => LayoutChanged.CallEvent();
PropertySet += (_, __, ___) => LayoutChanged.CallEvent();
_puzzleObjects.PropertyRemoved += (_, __) => LayoutChanged.CallEvent();
}