code: public void truncateAdditionalInfo(final String textMetricsPrefix, final int widgetWidth) {
  
          for (Widget addInfo : m_additionalInfo) {
              ((AdditionalInfoItem)addInfo).truncate(textMetricsPrefix, widgetWidth - 10);
          }
      }
docs: Truncates the additional info items.<p>
  
  @param textMetricsPrefix the text metrics prefix
  @param widgetWidth the width to truncate to