code: public void updateSitePath(String sitePath) {
  
          String oldPath = getSitePath();
          getListItemWidget().setSubtitleLabel(sitePath);
          for (Widget child : getChildren()) {
              ((CmsGalleryTreeItem)child).updateParentPath(sitePath, oldPath);
          }
      }
docs: Updates the site path info.<p>
  
  @param sitePath the new site path