code: @Override
      protected void showView() {
          // On redisplay show the start page only if no page is displayed
          if (this.currentModelKey == null) {
              // Manage default page for Page Enum
              if (getPageEnumClass() != null && getPageEnumClass().isEnum() && getPageEnumClass().getEnumConstants().length > 0) {
                  doShowPageEnum(getPageEnumClass().getEnumConstants()[0], null);
              }
              // Manage default page for pageModelKey
              if (getDefaultPageModelKey() != null) {
                  doShowPageModel(getDefaultPageModelKey(), getStackName(), null);
              }
          }
      }
docs: {@inheritDoc}