public function getActionName()
 {
     $old = $this->getOldValue();
     $new = $this->getNewValue();
     switch ($this->getTransactionType()) {
         case self::TYPE_TITLE:
             if ($old === null) {
                 return pht('Created');
             }
             return pht('Retitled');
         case self::TYPE_STATUS:
             $action = ManiphestTaskStatus::getStatusActionName($new);
             if ($action) {
                 return $action;
             }
             $old_closed = ManiphestTaskStatus::isClosedStatus($old);
             $new_closed = ManiphestTaskStatus::isClosedStatus($new);
             if ($new_closed && !$old_closed) {
                 return pht('Closed');
             } else {
                 if (!$new_closed && $old_closed) {
                     return pht('Reopened');
                 } else {
                     return pht('Changed Status');
                 }
             }
         case self::TYPE_DESCRIPTION:
             return pht('Edited');
         case self::TYPE_OWNER:
             if ($this->getAuthorPHID() == $new) {
                 return pht('Claimed');
             } else {
                 if (!$new) {
                     return pht('Up For Grabs');
                 } else {
                     if (!$old) {
                         return pht('Assigned');
                     } else {
                         return pht('Reassigned');
                     }
                 }
             }
         case self::TYPE_CCS:
             return pht('Changed CC');
         case self::TYPE_PROJECTS:
             return pht('Changed Projects');
         case self::TYPE_PROJECT_COLUMN:
             return pht('Changed Project Column');
         case self::TYPE_PRIORITY:
             if ($old == ManiphestTaskPriority::getDefaultPriority()) {
                 return pht('Triaged');
             } else {
                 if ($old > $new) {
                     return pht('Lowered Priority');
                 } else {
                     return pht('Raised Priority');
                 }
             }
         case self::TYPE_EDGE:
         case self::TYPE_ATTACH:
             return pht('Attached');
         case self::TYPE_UNBLOCK:
             $old_status = head($old);
             $new_status = head($new);
             $old_closed = ManiphestTaskStatus::isClosedStatus($old_status);
             $new_closed = ManiphestTaskStatus::isClosedStatus($new_status);
             if ($old_closed && !$new_closed) {
                 return pht('Block');
             } else {
                 if (!$old_closed && $new_closed) {
                     return pht('Unblock');
                 } else {
                     return pht('Blocker');
                 }
             }
         case self::TYPE_MERGED_INTO:
         case self::TYPE_MERGED_FROM:
             return pht('Merged');
     }
     return parent::getActionName();
 }