// requests and adapters
IElementType type = ComponentsElementTypes.Component_2002;
CreateElementRequest createElementRequest = new CreateElementRequest(
		getEditingDomain(), ((View) getModel()).getElement(),
		ComponentsElementTypes.Component_2002);
CreateElementRequestAdapter adapter = new CreateElementRequestAdapter(createElementRequest);
ViewAndElementDescriptor descriptor = new ViewAndElementDescriptor(
		adapter,
		Node.class,
		((IHintedType) type).getSemanticHint(), 
		getDiagramPreferencesHint());
CreateViewAndElementRequest request = new CreateViewAndElementRequest(descriptor);

// element command (customised to return an existing element)
Command createElementCommand = new ICommandProxy(
		new EventBComponentCreateCommand((CreateElementRequest) descriptor.getCreateElementRequestAdapter().getAdapter(CreateElementRequest.class)) {

			@Override
			protected CommandResult doExecuteWithResult(
					IProgressMonitor monitor, IAdaptable info)
					throws ExecutionException {
				EventBComponent newElement = (EventBComponent) Platform
						.getAdapterManager().getAdapter(element,
								Component.class);

				ComponentDiagram owner = (ComponentDiagram) getElementToEdit();
				owner.getComponents().add(newElement);

				doConfigure(newElement, monitor, info);

				((CreateElementRequest) getRequest())
						.setNewElement(newElement);
				return CommandResult.newOKCommandResult(newElement);
			}
		});

// semantic command
SemanticCreateCommand semanticCommand = new SemanticCreateCommand(adapter, createElementCommand);

// view command
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();
CreateCommand viewCommand = new CreateCommand(editingDomain, descriptor, (View) (getHost().getModel()));

// relocate command
Point dropLocation = dropRequest.getLocation().getCopy();
getFigure().translateToRelative(dropLocation);
SetBoundsCommand relocateCommand = new SetBoundsCommand(editingDomain, "Set location", request.getViewAndElementDescriptor(), dropLocation);

// compound command
CompositeCommand cc = new CompositeCommand(semanticCommand.getLabel());
cc.compose(semanticCommand);
cc.compose(viewCommand);
cc.compose(relocateCommand);
return new ICommandProxy(cc);