code: public void updateInNavigation(CmsClientSitemapEntry entry) {
  
          if (entry.isInNavigation()) {
              m_inNavigationStyle.setValue(null);
              getListItemWidget().setTitleEditable(true);
          } else {
              m_inNavigationStyle.setValue(CSS.notInNavigationEntry());
              getListItemWidget().setTitleEditable(false);
          }
      }
docs: Updates the in navigation properties of the displayed entry.<p>
  
  @param entry the sitemap entry