code: protected String resolveHelpText(Locale locale) {
  
          String helpText = getHelpText().key(locale);
          if ((getColumnForTexts() != null) && (getItem().get(getColumnForTexts()) != null)) {
              helpText = new MessageFormat(helpText, locale).format(new Object[] {getItem().get(getColumnForTexts())});
          }
          return helpText;
      }
docs: Help method to resolve the help text to use.<p>
  
  @param locale the used locale
  
  @return the help text