return '<div role="main">'.$this->unique_main_content_token.'</div>';
}
+ /**
+ * Returns standard navigation between activities in a course.
+ *
+ * @return string the navigation HTML.
+ */
+ public function activity_navigation() {
+ // First we should check if we want to add navigation.
+ $context = $this->page->context;
+ if (($this->page->pagelayout !== 'incourse' && $this->page->pagelayout !== 'frametop')
+ || $context->contextlevel != CONTEXT_MODULE) {
+ return '';
+ }
+
+ // If the activity is in stealth mode, show no links.
+ if ($this->page->cm->is_stealth()) {
+ return '';
+ }
+
+ // Get a list of all the activities in the course.
+ $course = $this->page->cm->get_course();
+ $modules = get_fast_modinfo($course->id)->get_cms();
+
+ // Put the modules into an array in order by the position they are shown in the course.
+ $mods = [];
+ foreach ($modules as $module) {
+ // Only add activities the user can access, aren't in stealth mode and have a url (eg. mod_label does not).
+ if (!$module->uservisible || $module->is_stealth() || empty($module->url)) {
+ continue;
+ }
+ $mods[$module->id] = $module;
+ }
+
+ $nummods = count($mods);
+
+ // If there is only one mod then do nothing.
+ if ($nummods == 1) {
+ return '';
+ }
+
+ // Get an array of just the course module ids used to get the cmid value based on their position in the course.
+ $modids = array_keys($mods);
+
+ // Get the position in the array of the course module we are viewing.
+ $position = array_search($this->page->cm->id, $modids);
+
+ $prevmod = null;
+ $nextmod = null;
+
+ // Check if we have a previous mod to show.
+ if ($position > 0) {
+ $prevmod = $mods[$modids[$position - 1]];
+ }
+
+ // Check if we have a next mod to show.
+ if ($position < ($nummods - 1)) {
+ $nextmod = $mods[$modids[$position + 1]];
+ }
+
+ $activitynav = new \core_course\output\activity_navigation($prevmod, $nextmod);
+ $renderer = $this->page->get_renderer('core', 'course');
+ return $renderer->render($activitynav);
+ }
+
/**
* The standard tags (typically script tags that are not needed earlier) that
* should be output after everything else. Designed to be called in theme layout.php files.
