code: void showCrumbs(boolean show) {
  
          if (show) {
              m_crumbs.removeStyleName(OpenCmsTheme.HIDDEN);
              CmsAppWorkplaceUi.get().enableGlobalShortcuts();
          } else {
              m_crumbs.addStyleName(OpenCmsTheme.HIDDEN);
              CmsAppWorkplaceUi.get().disableGlobalShortcuts();
          }
      }
docs: Shows and hides the path bread crumb.<p>
  
  @param show <code>true</code> to show the bread crumb