code: public static boolean isEditable(Element element) {
  
          String field = element.getAttribute(CmsGwtConstants.ATTR_DATA_FIELD);
          return (field != null) && field.contains("opencms://");
      }
docs: Checks whether the given element is annotated for inline editing.<p>
  
  @param element the element to check
  
  @return <code>true</code> if the given element is annotated for inline editing