/**
* Constructs navigational breadcrumbs
*/
function get_navigation_default()
{
global $CFG, $CURMAN;
//get the parent courseid if possible
$parent = $this->get_cm_id();
$action = $this->optional_param('action', '', PARAM_CLEAN);
$cancel = $this->optional_param('cancel', '', PARAM_CLEAN);
$navigation = parent::get_navigation_default();
if (empty($parent) || !empty($action) && $action != 'default' && empty($cancel)) {
//viewing the class page directly
return $navigation;
}
$coursepage = new coursepage(array('id' => $parent));
$course_navigation = $coursepage->get_navigation_view();
//combine course and class navigation
return array_merge($course_navigation, $navigation);
}
public function get_navigation_default()
{
global $CFG, $CURMAN;
$parent = $this->optional_param('id', 0, PARAM_INT);
$navigation = parent::get_navigation_default();
$level = context_level_base::get_custom_context_level('cluster', 'block_curr_admin');
if ($parent) {
$context = get_context_instance($level, $parent);
$ancestorids = substr(str_replace('/', ',', $context->path), 1);
$sql = "SELECT cluster.*\n FROM {$CFG->prefix}context ctx\n JOIN {$CURMAN->db->prefix_table(CLSTTABLE)} cluster ON ctx.instanceid = cluster.id\n WHERE ctx.id IN ({$ancestorids}) AND ctx.contextlevel={$level}\n ORDER BY ctx.depth";
$ancestors = $CURMAN->db->get_records_sql($sql);
$ancestors = $ancestors ? $ancestors : array();
$target = $this->get_new_page(array('action' => 'view'));
foreach ($ancestors as $ancestor) {
$target->params['id'] = $ancestor->id;
$navigation[] = array('name' => htmlspecialchars($ancestor->name), 'link' => $target->get_url());
}
}
return $navigation;
}
/**
* Overrides the default navigation to include curriculum breadcrumbs if appropriate
*/
function get_navigation_default()
{
global $CFG, $CURMAN;
$parent = $this->get_cm_id();
$action = $this->optional_param('action', '', PARAM_CLEAN);
$cancel = $this->optional_param('cancel', '', PARAM_CLEAN);
$navigation = parent::get_navigation_default();
if (empty($parent) || !empty($action) && empty($cancel)) {
//not viewing from within curriculum
return $navigation;
}
$curriculumpage = new curriculumpage(array('id' => $parent));
$curriculum_navigation = $curriculumpage->get_navigation_view();
//merge the curriculum and track breadcrumbs
return array_merge($curriculum_navigation, $navigation);
}
