public static function getInstance()
{
if (!isset(self::$instance)) {
$config = FajrConfigLoader::getConfiguration();
$twigOptions = array('cache' => $config->get(FajrConfigOptions::USE_CACHE) ? $config->getDirectory(FajrConfigOptions::PATH_TO_TEMPLATE_CACHE) : false, 'strict_variables' => true);
$router = Router::getInstance();
$skinSettings = SkinSettings::getInstance();
$twig = new Twig_Environment(null, $twigOptions);
$twig->addExtension(new Twig_Extension_Escaper());
$twig->addExtension(new FajrExtension($router));
self::$instance = new DisplayManager($twig);
self::$instance->setSkin($skinSettings->getUserSkin());
}
return self::$instance;
}
/**
* Sets dafault template fields.
* TODO: set as twig globals?
*/
private function setResponseFields(Request $request)
{
$skinSettings = SkinSettings::getInstance();
if ($request->isMobileBrowser()) {
$skinSettings->setDefaultSkinName('mobile');
}
$this->displayManager->setSkin($skinSettings->getUserSkin());
$params = array();
$referrer = $request->getHeader('Referer');
$pageMovedCookie = isset($_COOKIE['FajrPageMoved']);
$pageMovedReferer = preg_match('#^https?://fajr.dcs.fmph.uniba.sk#', $referrer) === 1;
if ($pageMovedCookie || $pageMovedReferer) {
Warnings::getInstance()->addWarning(array('type' => 'pageMoved'));
}
$params['version'] = new Version();
$params['banner_debug'] = $this->config->get(FajrConfigOptions::DEBUG_BANNER);
if ($request->isDoNotTrack()) {
$params['google_analytics'] = null;
} else {
$params['google_analytics'] = $this->config->get(FajrConfigOptions::GOOGLE_ANALYTICS_ACCOUNT);
}
$params['base'] = FajrUtils::basePath();
$params['language'] = 'sk';
$params['availableServers'] = array();
$params['currentServer'] = array('isBeta' => false, 'instanceName' => 'Chyba');
$server = $this->serverManager->getActiveServer();
$serverList = $this->config->get(FajrConfigOptions::AIS_SERVERLIST);
$params['availableServers'] = $serverList;
$params['currentServer'] = $server;
$params['backendType'] = $server->getBackendType();
$params['aisVersion'] = null;
$params['aisVersionIncompatible'] = false;
$params['loggedIn'] = false;
$params['developmentVersion'] = $this->config->get(FajrConfigOptions::IS_DEVEL);
$params['statistics'] = Statistics::getInstance();
$params['warnings'] = Warnings::getInstance();
$this->displayManager->setDefaultParams($params);
}