code: public String groupHtml(CmsWorkplace wp) {
  
          StringBuffer html = new StringBuffer(2048);
          Iterator<CmsTool> itItem = m_container.elementList().iterator();
          while (itItem.hasNext()) {
              CmsTool item = itItem.next();
              html.append(item.buttonHtml(wp));
          }
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(html.toString())) {
              html.insert(0, ((CmsToolDialog)wp).iconsBlockAreaStart(getName()));
              html.append(((CmsToolDialog)wp).iconsBlockAreaEnd());
          }
          return html.toString();
      }
docs: Returns the necessary html code.<p>
  
  @param wp the jsp page to write the code to
  
  @return html code