static function getSpecificValueToDisplay($field, $values, array $options = array())
 {
     if (!is_array($values)) {
         $values = array($field => $values);
     }
     switch ($field) {
         case 'items_id':
             if (isset($values['itemtype'])) {
                 if (isset($options['comments']) && $options['comments']) {
                     $tmp = Dropdown::getDropdownName(getTableForItemtype($values['itemtype']), $values[$field], 1);
                     return sprintf(__('%1$s %2$s'), $tmp['name'], Html::showToolTip($tmp['comment'], array('display' => false)));
                 }
                 return Dropdown::getDropdownName(getTableForItemtype($values['itemtype']), $values[$field]);
             }
             break;
     }
     return parent::getSpecificValueToDisplay($field, $values, $options);
 }