// The mouse filter needs to accept regular click or control click
MouseFilter handleFilter = new MouseFilter(1, 0, 0);
manipulator.setHandleFilter(handleFilter);
ConnectorTarget ct = new LinkTarget();
setConnectorTarget(ct);
setEdgeRenderer(new LinkRenderer());
_menuCreator = new MenuCreator(null);
_menuCreator.setMouseFilter(new PopupMouseFilter());