protected function getCourseCell($ts, $enrolment)
 {
     $content = '';
     $course = $enrolment->getCourse();
     if ($course) {
         $mdl_course = $course->getObject();
         $content = "{$mdl_course->fullname} ({$mdl_course->shortname})";
         if (strlen($content) > 50) {
             $content = $mdl_course->fullname;
         }
         if (GcrEschoolTable::authorizeCourseAccess($course)) {
             global $CFG;
             $content = '<a href="' . $course->getUrl() . '?transfer=' . $CFG->current_app->getShortName() . '">' . $content . '</a>';
         }
     }
     return new GcrTableCell(array(), $content);
 }