@Override
	public PictogramElement add(IAddContext context) {
		Shape ladder = createLadderGraphic(context);

		getDiagram().eResource().getContents()
				.add((EObject) context.getNewObject());
		link(ladder, context.getNewObject());
		return ladder;
	}

	private Shape createLadderGraphic(IAddContext context) {

		Diagram targetDiagram = (Diagram) context.getTargetContainer();
		IGaService gaService = Graphiti.getGaService();
		IPeCreateService peCreateService = Graphiti.getPeCreateService();
		Ladder bo = (Ladder) context.getNewObject();
		// 1 containershape
		ContainerShape containerShape = peCreateService.createContainerShape(
				targetDiagram, true);

		Rectangle rectangle = gaService.createRectangle(containerShape);
		rectangle.setBackground(manageColor(StyleUtil.COLOR_BLACK));
		rectangle.setFilled(true);
		gaService.setLocationAndSize(rectangle, context.getX(), context.getY(),
				context.getWidth(), context.getHeight());

		return containerShape;
	}

@Override
	public void attachedToSource(final ICreateConnectionContext context) {
		final Object bo = getBusinessObjectForPictogramElement(context
				.getSourcePictogramElement());

		// create fix anchor for connection on ladder
		if (bo instanceof StartLadder) {
			TransactionalEditingDomain editingDomain = getDiagramEditor()
					.getEditingDomain();
			CommandStack commandStack = editingDomain.getCommandStack();
			commandStack.execute(new RecordingCommand(editingDomain) {

				@Override
				protected void doExecute() {
					IPeCreateService peCreateService = Graphiti
							.getPeCreateService();
					IGaService gaService = Graphiti.getGaService();

					ContainerShape container = (ContainerShape) context
							.getSourcePictogramElement();
					ILocation location = context.getSourceLocation();
					int x = location.getX();
					int y = location.getY();
					// Point p = gaService.createPoint(x, y);

					ChopboxAnchor anchor = peCreateService
							.createChopboxAnchor(container);
					// gaService.setLocation(anchor, x, y);
					// anchor.setUseAnchorLocationAsConnectionEndpoint(true);

					Rectangle rect = gaService.createRectangle(anchor);
					gaService.setLocation(rect, x, y);

					anchor.setGraphicsAlgorithm(rect);
					anchor.setReferencedGraphicsAlgorithm(rect);

					IEC_Anchor obj = FbsFactory.eINSTANCE.createIEC_Anchor();
					obj.setIn(false);
					obj.setSource((EObject) bo);
					getDiagram().eResource().getContents().add(obj);
					// link(shape, obj);
					link(anchor, bo);

					// use anchor
					((CreateConnectionContext) context).setSourceAnchor(anchor);
				}
			});
		}

	}