final ContextMenu cm = new ContextMenu();
cm.getItems().add(new MenuItem("bu"));
table.setContextMenu(cm);

public class ViewTable {

	@Inject
	protected Composite parent;
	private FXCanvas fxCanvas;

	public ViewOrphanPeaksTable() {
	};

	@PostConstruct
	public void createControl() {
		init(parent);
	}

	protected void init(final Composite parent) {
		// this will initialize the FX Toolkit
		fxCanvas = new FXCanvas(parent, SWT.NONE);
		Platform.setImplicitExit(false);
		Platform.runLater(() -> createScene(parent));
	}
	@Focus
	public void setFocus() {
		fxCanvas.setFocus();
	}
}

fxCanvas.addMenuDetectListener(l -> {
    System.err.println("Hey there!");
});