/**
  * Given a commment area, return the itemname that contains the itemid mappings.
  *
  * @param string $commentarea Comment area name e.g. database_entry.
  * @return string name of the mapping used to determine the itemid.
  */
 public function get_comment_mapping_itemname($commentarea)
 {
     if ($commentarea == 'database_entry') {
         $itemname = 'data_record';
     } else {
         $itemname = parent::get_comment_mapping_itemname($commentarea);
     }
     return $itemname;
 }
 /**
  * Given a comment area, return the itemname that contains the itemid mappings.
  *
  * @param string $commentarea
  * @return string
  */
 public function get_comment_mapping_itemname($commentarea)
 {
     switch ($commentarea) {
         case 'submission_comments':
             $itemname = 'submission';
             break;
         default:
             $itemname = parent::get_comment_mapping_itemname($commentarea);
             break;
     }
     return $itemname;
 }