protected function section_left_content($section, $course, $onsectionpage) {
        $o = '';

        if ($section->section != 0) {
            // Only in the non-general sections.
            if (course_get_format($course)->is_section_current($section)) {
                $o = get_accesshide(get_string('currentsection', 'format_'.$course->format));
            }
        }

        return $o;
    }