cell = editor.getGraph().getSelectionCell();
AbstractPetriNetElementModel element = null;
if (cell instanceof ArcModel && ((ArcModel) cell).isXORsplit(editor.getModelProcessor()))
{
new ArcPropertyEditor((JFrame) getMediator().getUi(), (Point)editor.getLastMousePosition(), (ArcModel) cell, editor);
}
if (cell instanceof TriggerModel)
{
cell = ((TriggerModel) cell).getParent();