/**
  * renders the label column.
  *
  * @param tx_rnbase_model_base $item
  * @return string
  */
 protected function getLabelColumn(tx_rnbase_model_base $item)
 {
     $lastModifyDateTime = $item->getLastModifyDateTime();
     $creationDateTime = $item->getCreationDateTime();
     return sprintf('<span title="UID: %3$d %1$sLabel: %2$s %1$sCreation: %4$s %1$sLast Change: %5$s">%2$s</span>', CRLF, $item->getTcaLabel(), $item->getProperty('uid'), $creationDateTime ? $creationDateTime->format(DateTime::ATOM) : '-', $lastModifyDateTime ? $lastModifyDateTime->format(DateTime::ATOM) : '-');
 }