protected function showControls() {
        $themeService = $this->getServiceManager()->get(ThemeServiceInterface::SERVICE_ID);
        if ($themeService instanceof ThemeServiceInterface || $themeService instanceof LtiHeadless) {
            return !$themeService->isHeadless();
        }
        return false;
    }
protected function showControls() {
        $themeService = $this->getServiceManager()->get(ThemeServiceInterface::SERVICE_ID);
        if ($themeService instanceof ThemeServiceInterface || $themeService instanceof LtiHeadless) {
            return !$themeService->isHeadless();
        }
        return false;
    }
protected function showControls ( ) { $ themeService = $ this -> getServiceManager ( ) -> get ( ThemeServiceInterface :: SERVICE_ID ) ; if ( $ themeService instanceof ThemeServiceInterface || $ themeService instanceof LtiHeadless ) { return ! $ themeService -> isHeadless ( ) ; } return false ; }
Defines if the top and bottom action menu should be displayed or not

@return boolean
Defines if the top and bottom action menu should be displayed or not