public override void Initialize()
{
if (!(GuiElement is IDraggable))
{
// throw new ArgumentException("The GuiElement has to implement IDraggable!");
}
GuiStage = GuiElement.GetStage();
DragAndDropStrategy.Initialize(GuiElement);
PossibleDropTargets = DragAndDropStrategy.FindPossibleDropTargets(GuiElement.GetStage());
HighlightingStrategy.Highlight(PossibleDropTargets);
DragAndDropStrategy.Grab();
// UnityEngine.Debug.Log("start drag and drop - targets: " + PossibleDropTargets.Count);
}