public function getTrackEngineList($extended = false, $userCreatableOnly = false)
    {
        $results = array();
        $dummyTrackData['gtr_id_track'] = 0;

        foreach ($this->getTrackEngineClasses() as $className => $cls) {
            if ((! $userCreatableOnly) || $cls->isUserCreatable()) {
                if ($extended) {
                    $results[$className] = \MUtil_Html::raw(sprintf('<strong>%s</strong> %s', $cls->getName(), $cls->getDescription()));

                } else {
                    $results[$className] = $cls->getName();
                }
            }
        }

        return $results;
    }