}
  @Override
  protected boolean isRequestCondition(Request _request) {
    if (_request instanceof ChangeBoundsRequest) {
      ChangeBoundsRequest request = (ChangeBoundsRequest) _request;
      Object type = request.getType();
      GraphicalEditPart host = getHost();
      ILayoutRequestValidator validator = getRequestValidator();
      boolean isMove =
          Request.REQ_MOVE.equals(type) && validator.validateMoveRequest(host, request);
      boolean isAdd = Request.REQ_ADD.equals(type) && validator.validateMoveRequest(host, request);