TDAT: 	private EditPart getPartForElement(Object modelElement) {
		if (modelElement instanceof Docflow) {
			return new DocflowPart();
		}
		if (modelElement instanceof State) {
			return new StatePart();
		}
		if (modelElement instanceof Transition) {
			return new TransitionPart();
		}
		if (modelElement instanceof Connection) {
			return new ConnectionPart();
		}
		throw new RuntimeException("Can't create part for model element: "
				+ ((modelElement != null) ? modelElement.getClass().getName()
						: "null"));
	}
 COM: <s> maps an object to an edit part </s>