code: @Override
      public String allParamsAsHidden() {
  
          StringBuffer result = new StringBuffer(512);
          Map<String, Object> params = allParamValues();
          Iterator<Entry<String, Object>> i = params.entrySet().iterator();
          while (i.hasNext()) {
              Entry<String, Object> entry = i.next();
              result.append("<input type=\"hidden\" name=\"");
              result.append(entry.getKey());
              result.append("\" value=\"");
              String encoded = CmsEncoder.escapeXml(entry.getValue().toString());
              result.append(encoded);
              result.append("\">\n");
          }
          return result.toString();
      }
docs: Returns all parameters of the current workplace class
  as hidden field tags that can be inserted in a form.<p>
  
  @return all parameters of the current workplace class
  as hidden field tags that can be inserted in a html form