/**
  * This function loads all of the front page settings into the settings navigation.
  * This function is called when the user is on the front page, or $COURSE==$SITE
  * @param bool $forceopen (optional)
  * @return navigation_node
  */
 protected function load_front_page_settings($forceopen = false)
 {
     global $SITE, $CFG;
     $course = clone $SITE;
     $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
     // Course context
     $frontpage = $this->add(get_string('frontpagesettings'), null, self::TYPE_SETTING, null, 'frontpage');
     if ($forceopen) {
         $frontpage->force_open();
     }
     $frontpage->id = 'frontpagesettings';
     if (has_capability('moodle/course:update', $coursecontext)) {
         // Add the turn on/off settings
         $url = new moodle_url('/course/view.php', array('id' => $course->id, 'sesskey' => sesskey()));
         if ($this->page->user_is_editing()) {
             $url->param('edit', 'off');
             $editstring = get_string('turneditingoff');
         } else {
             $url->param('edit', 'on');
             $editstring = get_string('turneditingon');
         }
         $frontpage->add($editstring, $url, self::TYPE_SETTING, null, null, new pix_icon('i/edit', ''));
         // Add the course settings link
         $url = new moodle_url('/admin/settings.php', array('section' => 'frontpagesettings'));
         $frontpage->add(get_string('editsettings'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/settings', ''));
     }
     // add enrol nodes
     enrol_add_course_navigation($frontpage, $course);
     // Manage filters
     if (has_capability('moodle/filter:manage', $coursecontext) && count(filter_get_available_in_context($coursecontext)) > 0) {
         $url = new moodle_url('/filter/manage.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('filters', 'admin'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/filter', ''));
     }
     // Backup this course
     if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
         $url = new moodle_url('/backup/backup.php', array('id' => $course->id));
         $frontpage->add(get_string('backup'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/backup', ''));
     }
     // Restore to this course
     if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
         $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('restore'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/restore', ''));
     }
     // Questions
     require_once $CFG->libdir . '/questionlib.php';
     question_extend_settings_navigation($frontpage, $coursecontext)->trim_if_empty();
     // Manage files
     if ($course->legacyfiles == 2 and has_capability('moodle/course:managefiles', $this->context)) {
         //hiden in new installs
         $url = new moodle_url('/files/index.php', array('contextid' => $coursecontext->id, 'itemid' => 0, 'component' => 'course', 'filearea' => 'legacy'));
         $frontpage->add(get_string('sitelegacyfiles'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/files', ''));
     }
     return $frontpage;
 }

 /**
  * This function loads all of the front page settings into the settings navigation.
  * This function is called when the user is on the front page, or $COURSE==$SITE
  * @param bool $forceopen (optional)
  * @return navigation_node
  */
 protected function load_front_page_settings($forceopen = false)
 {
     global $SITE, $CFG;
     $course = clone $SITE;
     $coursecontext = context_course::instance($course->id);
     // Course context
     $frontpage = $this->add(get_string('frontpagesettings'), null, self::TYPE_SETTING, null, 'frontpage');
     if ($forceopen) {
         $frontpage->force_open();
     }
     $frontpage->id = 'frontpagesettings';
     if ($this->page->user_allowed_editing()) {
         // Add the turn on/off settings
         $url = new moodle_url('/course/view.php', array('id' => $course->id, 'sesskey' => sesskey()));
         if ($this->page->user_is_editing()) {
             $url->param('edit', 'off');
             $editstring = get_string('turneditingoff');
         } else {
             $url->param('edit', 'on');
             $editstring = get_string('turneditingon');
         }
         $frontpage->add($editstring, $url, self::TYPE_SETTING, null, null, new pix_icon('i/edit', ''));
     }
     if (has_capability('moodle/course:update', $coursecontext)) {
         // Add the course settings link
         $url = new moodle_url('/admin/settings.php', array('section' => 'frontpagesettings'));
         $frontpage->add(get_string('editsettings'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/settings', ''));
     }
     // add enrol nodes
     enrol_add_course_navigation($frontpage, $course);
     // Manage filters
     if (has_capability('moodle/filter:manage', $coursecontext) && count(filter_get_available_in_context($coursecontext)) > 0) {
         $url = new moodle_url('/filter/manage.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('filters', 'admin'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/filter', ''));
     }
     // View course reports.
     if (has_capability('moodle/site:viewreports', $coursecontext)) {
         // Basic capability for listing of reports.
         $frontpagenav = $frontpage->add(get_string('reports'), null, self::TYPE_CONTAINER, null, 'frontpagereports', new pix_icon('i/stats', ''));
         $coursereports = core_component::get_plugin_list('coursereport');
         foreach ($coursereports as $report => $dir) {
             $libfile = $CFG->dirroot . '/course/report/' . $report . '/lib.php';
             if (file_exists($libfile)) {
                 require_once $libfile;
                 $reportfunction = $report . '_report_extend_navigation';
                 if (function_exists($report . '_report_extend_navigation')) {
                     $reportfunction($frontpagenav, $course, $coursecontext);
                 }
             }
         }
         $reports = get_plugin_list_with_function('report', 'extend_navigation_course', 'lib.php');
         foreach ($reports as $reportfunction) {
             $reportfunction($frontpagenav, $course, $coursecontext);
         }
     }
     // Backup this course
     if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
         $url = new moodle_url('/backup/backup.php', array('id' => $course->id));
         $frontpage->add(get_string('backup'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/backup', ''));
     }
     // Restore to this course
     if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
         $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('restore'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/restore', ''));
     }
     // Questions
     require_once $CFG->libdir . '/questionlib.php';
     question_extend_settings_navigation($frontpage, $coursecontext)->trim_if_empty();
     // Manage files
     if ($course->legacyfiles == 2 and has_capability('moodle/course:managefiles', $this->context)) {
         //hiden in new installs
         $url = new moodle_url('/files/index.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('sitelegacyfiles'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/folder', ''));
     }
     // Let plugins hook into frontpage navigation.
     $pluginsfunction = get_plugins_with_function('extend_navigation_frontpage', 'lib.php');
     foreach ($pluginsfunction as $plugintype => $plugins) {
         foreach ($plugins as $pluginfunction) {
             $pluginfunction($frontpage, $course, $coursecontext);
         }
     }
     return $frontpage;
 }