code: private List<String> getVirtualFiles() {
  
          ArrayList<String> list = new ArrayList<String>();
          list.add(NAME_ELEMENT_CONTROLCODE);
  
          return list;
      }
docs: Returns a list with virtual file names for the xml page.<p>
  
  Actually that is only the name of the control code file.<p>
  
  @return a list containing strings with the names of the virtual files