/**
  * Get an array representing link parameters that subclasses
  * need to have passed to their various handlers (i.e. submission ID
  * to the delete note handler).
  * @return array
  */
 function _getLinkParams()
 {
     return array_merge(parent::_getLinkParams(), array('fileId' => $this->submissionFile->getFileId(), 'stageId' => $this->_stageId));
 }