protected function get_link_path_internal($top_object)
{
$course = new koala_group_course($this->steam_group_course);
$link_path = array();
// shift parent's link path left by two elements:
foreach ($course->get_link_path($top_object) as $key => $value) {
$link_path[$key - 2] = $value;
}
// append tutorials and tutorial link:
$link_path[-2] = array('name' => gettext('Tutorials'), 'link' => $link_path[-3]['link'] . 'tutorials/');
$link_path[-1] = $this->get_link();
return $link_path;
}
