Author: Bernhard Schussek (bschussek@gmail.com)
Inheritance: extends Symfony\Component\Form\AbstractRendererEngine, implements Symfony\Bridge\Twig\Form\TwigRendererEngineInterface
Ejemplo n.º 1
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 protected function initialiseExtensions($config)
 {
     if (isset($config['built_in_extentions'])) {
         $built_in_ext = $config['built_in_extentions'];
         if (in_array('form', $built_in_ext)) {
             $formEngine = new TwigRendererEngine(array('form_div_layout.html.twig'));
             $formEngine->setEnvironment($this);
             $this->addExtension(new TranslationExtension($this->translator_service));
             $this->addExtension(new FormExtension(new TwigRenderer($formEngine, $this->csrf_provider_service)));
         }
     }
 }
function initTwig(ContainerInterface $container, TranslatorInterface $translator)
{
    $appVariableReflection = new \ReflectionClass('\\Symfony\\Bridge\\Twig\\AppVariable');
    $twigLoader = new \Twig_Loader_Filesystem([VIEWS_PATH, dirname($appVariableReflection->getFileName()) . '/Resources/views/Form']);
    $twig = new \Twig_Environment($twigLoader);
    $formEngine = new TwigRendererEngine(['bootstrap_3_horizontal_layout.html.twig']);
    $formEngine->setEnvironment($twig);
    $twig->addExtension(new FormExtension(new TwigRenderer($formEngine, $container->get('csrf_token.manager'))));
    $twig->addExtension(new TranslationExtension($translator));
    $container->set('twig', $twig);
    return $twig;
}
Ejemplo n.º 3
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 private function __construct()
 {
     $csrfTokenManager = new CsrfTokenManager();
     $validator = Validation::createValidator();
     $localCode = substr(get_locale(), 0, 2);
     $translator = new Translator($localCode);
     $translator->addLoader('xlf', new XliffFileLoader());
     $translator->addResource('xlf', VENDOR_FORM_DIR . '/Resources/translations/validators.en.xlf', $localCode, 'validators');
     $translator->addResource('xlf', VENDOR_VALIDATOR_DIR . '/Resources/translations/validators.en.xlf', $localCode, 'validators');
     $twig = herbert('Twig_Environment');
     $formEngine = new TwigRendererEngine(array(DEFAULT_FORM_THEME));
     $formEngine->setEnvironment($twig);
     $twig->addExtension(new TranslationExtension($translator));
     $twig->addExtension(new FormExtension(new TwigRenderer($formEngine, $csrfTokenManager)));
     $this->formFactory = Forms::createFormFactoryBuilder()->addExtension(new CsrfExtension($csrfTokenManager))->addExtension(new ValidatorExtension($validator))->getFormFactory();
 }
Ejemplo n.º 4
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 /**
  * Fetch the parsed content from this template.
  *
  * @param string $template The location of the template file, used to display this template.
  *
  * @return string The actual parsed content after executing this template.
  */
 public function getContent($template)
 {
     $this->parseConstants();
     $this->parseAuthentication();
     $this->parseAuthenticatedUser();
     $this->parseDebug();
     $this->parseLabels();
     $this->parseLocale();
     $this->parseVars();
     $template = str_replace(BACKEND_MODULES_PATH, '', $template);
     // path to TwigBridge library so we can locate the form theme files.
     $appVariableReflection = new ReflectionClass(AppVariable::class);
     $vendorTwigBridgeDir = dirname($appVariableReflection->getFileName());
     // render the compiled File
     $loader = new Twig_Loader_Filesystem(array(BACKEND_MODULES_PATH, BACKEND_CORE_PATH, $vendorTwigBridgeDir . '/Resources/views/Form'));
     $twig = new Twig_Environment($loader, array('cache' => Model::getContainer()->getParameter('kernel.cache_dir') . '/twig', 'debug' => $this->debugMode));
     // connect symphony forms
     $formEngine = new TwigRendererEngine(array('Layout/Templates/FormLayout.html.twig'));
     $formEngine->setEnvironment($twig);
     $twig->addExtension(new SymfonyFormExtension(new TwigRenderer($formEngine, Model::get('security.csrf.token_manager'))));
     $twigTranslationExtensionClass = Model::getContainer()->getParameter('twig.extension.trans.class');
     $twig->addExtension(new $twigTranslationExtensionClass(Model::get('translator')));
     // debug options
     if ($this->debugMode === true) {
         $twig->addExtension(new Twig_Extension_Debug());
     }
     if (count($this->forms) > 0) {
         foreach ($this->forms as $form) {
             $twig->addGlobal('form_' . $form->getName(), $form);
         }
     }
     // should always be included, makes it possible to parse SpoonForm in twig
     new FormExtension($twig);
     // start the filters / globals
     TwigFilters::getFilters($twig, 'Backend');
     $this->startGlobals($twig);
     return $twig->render($template, $this->variables);
 }
Ejemplo n.º 5
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 public function __construct()
 {
     if (DEV_MODE) {
         $options = array('cache' => false);
     } else {
         $options = array('cache' => ROOT_PATH . '/app/cache/twig');
     }
     $loader = new \Twig_Loader_Filesystem(array(ROOT_PATH . '/src/Views', ROOT_PATH . '/app/views', ROOT_PATH . '/app/views/form'));
     parent::__construct($loader, $options);
     //form layout
     $formEngine = new TwigRendererEngine(array('form_div_layout.html.twig'));
     $formEngine->setEnvironment($this);
     //security
     $csrfSecret = md5(rand(0, 10000000000000000));
     $session = new Session();
     $csrfProvider = new SessionCsrfProvider($session, $csrfSecret);
     $this->addExtension(new FormExtension(new TwigRenderer($formEngine, $csrfProvider)));
     //translator
     $translator = new Translator('en');
     $translator->addLoader('xlf', new XliffFileLoader());
     $translator->addResource('xlf', ROOT_PATH . 'app/views/form/translation/messages.en.xlf', 'en');
     $this->addExtension(new TranslationExtension($translator));
 }
Ejemplo n.º 6
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 /**
  * The constructor will store the instance in the reference, preset some settings and map the custom modifiers.
  */
 public function __construct()
 {
     parent::__construct(func_get_arg(0), func_get_arg(1), func_get_arg(2));
     $this->debugMode = Model::getContainer()->getParameter('kernel.debug');
     $this->forkSettings = Model::get('fork.settings');
     // fork has been installed
     if ($this->forkSettings) {
         $this->themePath = FRONTEND_PATH . '/Themes/' . $this->forkSettings->get('Core', 'theme', 'default');
         $loader = $this->environment->getLoader();
         $loader = new \Twig_Loader_Chain(array($loader, new \Twig_Loader_Filesystem($this->getLoadingFolders())));
         $this->environment->setLoader($loader);
         // connect symphony forms
         $formEngine = new TwigRendererEngine($this->getFormTemplates('FormLayout.html.twig'));
         $formEngine->setEnvironment($this->environment);
         $this->environment->addExtension(new SymfonyFormExtension(new TwigRenderer($formEngine, Model::get('security.csrf.token_manager'))));
     }
     $this->environment->disableStrictVariables();
     // init Form extension
     new FormExtension($this->environment);
     // start the filters / globals
     TwigFilters::getFilters($this->environment, 'Frontend');
     $this->startGlobals($this->environment);
 }
Ejemplo n.º 7
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 /**
  * @return mixed
  *
  * @throws BadExtensionException
  * @throws ClassNotExistsException
  */
 public function build()
 {
     $twigLoader = new \Twig_Loader_Filesystem([APPLICATION_DIR, ROOT_DIR . '/vendor/inisire/framework/src', ROOT_DIR . '/vendor/symfony/twig-bridge/Resources/views/Form']);
     $twig = new \Twig_Environment($twigLoader, ['cache' => ROOT_DIR . '/cache/twig', 'debug' => true]);
     $translator = $this->container->get('translator');
     $formEngine = new TwigRendererEngine(array('Framework/Module/Administration/View/form_theme.html.twig'));
     $formEngine->setEnvironment($twig);
     $twig->addExtension(new FormExtension(new TwigRenderer($formEngine)));
     $twig->addExtension(new TranslationExtension($translator));
     // Register custom extensions
     $extensions = $this->container->configuration->get('extensions', []);
     foreach ($extensions as $class) {
         if (!class_exists($class)) {
             throw new ClassNotExistsException($class);
         }
         $instance = new $class();
         if (!$instance instanceof Extension) {
             throw new BadExtensionException($class);
         }
         $instance->setContainer($this->container);
         $twig->addExtension($instance);
     }
     return $twig;
 }
Ejemplo n.º 8
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 /**
  * Adds extensions required for proper work with FormFactory to Twig template engine
  * @param CsrfTokenManager $csrfTokenManager
  */
 private function extendTwig($csrfTokenManager)
 {
     $translator = new Translator($this->lang);
     $translator->addLoader('xlf', new XliffFileLoader());
     $translator->addResource('xlf', $this->componentDir['form'] . '/Resources/translations/validators.en.xlf', 'en', 'validators');
     $translator->addResource('xlf', $this->componentDir['validator'] . '/Resources/translations/validators.en.xlf', 'en', 'validators');
     $formTheme = 'bootstrap_3_layout.html.twig';
     //'form_div_layout.html.twig';
     $formEngine = new TwigRendererEngine([$formTheme]);
     $twigLoader = $this->twig->getLoader();
     $newTwigLoader = new \Twig_Loader_Chain([$twigLoader, new \Twig_Loader_Filesystem([$this->componentDir['twigBridge'] . '/Resources/views/Form'])]);
     $this->twig->setLoader($newTwigLoader);
     $formEngine->setEnvironment($this->twig);
     $this->twig->addExtension(new TranslationExtension($translator));
     $this->twig->addExtension(new FormExtension(new TwigRenderer($formEngine, $csrfTokenManager)));
 }
 private function setFormEngine()
 {
     $formEngine = new TwigRendererEngine(array($this->defaultFormTheme));
     $formEngine->setEnvironment($this->getTwig()->getEnvironment());
     $this->getTwig()->getEnvironment()->addExtension(new FormExtension(new TwigRenderer($formEngine)));
 }
Ejemplo n.º 10
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 /**
  * {@inheritdoc}
  */
 public function loadService()
 {
     $this->getContainer()->setShared('twig', function () {
         $loader = new \Twig_Loader_Filesystem([]);
         $loader->addPath(SRC_DIR . "/App/Resource/template");
         foreach (Bundles::getLoaded() as $bundleName) {
             if (is_dir(SRC_DIR . "/{$bundleName}/Resource/template/")) {
                 $loader->addPath(SRC_DIR . "/{$bundleName}/Resource/template", $bundleName);
             }
         }
         $loader->addPath(ROOT_DIR . '/vendor/symfony/twig-bridge/Resources', 'TwigBridgeTemplates');
         if (Config::get('debug', false)) {
             $options = ['debug' => true, 'cache' => false];
         } else {
             $options = ['debug' => false, 'cache' => CACHE_DIR . '/twig/'];
         }
         $twig = new \Twig_Environment($loader, $options);
         if (Config::get('debug', false)) {
             $twig->addExtension(new Twig_Extension_Debug());
         }
         // add route generator function
         $twig->addFunction(new \Twig_SimpleFunction('generateUrl', function ($url = null, $withParams = true, $withLanguage = true, $incDomain = true) {
             $router = $this->getRouter();
             return $router->generateUrl($url, [Router::GEN_OPT_LANGUAGE => $withLanguage, Router::GEN_OPT_WITH_PARAMS => $withParams, Router::GEN_OPT_INC_DOMAIN => $incDomain]);
         }));
         $twig->addFunction(new \Twig_SimpleFunction('getService', function ($name, array $args = []) {
             return $this->getContainer()->get($name, $args);
         }));
         /** @var Registry $registry */
         $registry = $this->getContainer()->get('registry');
         // return css tags
         $twig->addFunction(new \Twig_SimpleFunction('getCss', function ($css = null, $priority = 0) use($registry) {
             $result = $registry->get(TwigHelper::GLOBAL_CSS, TwigHelper::TWIG_REGISTRY_SCOPE);
             if (null !== $css) {
                 $result = [['css' => $css, 'priority' => $priority]];
             }
             if (is_array($result)) {
                 foreach ($result as $row) {
                     $order[] = $row['priority'];
                 }
                 array_multisort($order, $result);
                 array_walk($result, function (&$item) {
                     $item = $item['css'];
                     // if it is direct link to file
                     if (strpos($item, 'file://') === 0) {
                         $item = substr($item, 7);
                         $item = "<link rel=\"stylesheet\" href=\"{$item}\">";
                     } else {
                         $item = "<style>\n{$item}\n</style>";
                     }
                 });
                 $result = implode("\n", $result);
             }
             return strval($result);
         }, ['is_safe' => ['html']]));
         // return js tags
         $twig->addFunction(new \Twig_SimpleFunction('getJs', function ($js = null, $priority = 0) use($registry) {
             $result = $registry->get(TwigHelper::GLOBAL_JS, TwigHelper::TWIG_REGISTRY_SCOPE);
             if (null !== $js) {
                 $result = [['js' => $js, 'priority' => $priority]];
             }
             if (is_array($result)) {
                 foreach ($result as $row) {
                     $order[] = $row['priority'];
                 }
                 array_multisort($order, $result);
                 array_walk($result, function (&$item) {
                     $item = $item['js'];
                     // if it is direct link to file
                     if (strpos($item, 'file://') === 0) {
                         $item = substr($item, 7);
                         $item = "<script src=\"{$item}\"></script>";
                     } else {
                         $item = "<script>\n{$item}\n</script>";
                     }
                 });
                 $result = implode("\n", $result);
             }
             return strval($result);
         }, ['is_safe' => ['html']]));
         $twig->addFunction(new \Twig_SimpleFunction('addCss', function ($css, $priority = 0) {
             TwigHelper::addCss($css, $priority);
         }));
         $twig->addFunction(new \Twig_SimpleFunction('addJs', function ($js, $priority = 0) {
             TwigHelper::addJs($js, $priority);
         }));
         // return master twig
         $twig->addFunction(new \Twig_SimpleFunction('getMasterTwig', function () use($registry) {
             $result = $registry->get(TwigHelper::MASTER_TWIG, TwigHelper::TWIG_REGISTRY_SCOPE);
             $item = array_pop($result);
             $registry->set(TwigHelper::MASTER_TWIG, $result, TwigHelper::TWIG_REGISTRY_SCOPE);
             return strval($item);
         }, ['is_safe' => ['html']]));
         Library\Helper::addMasterTwig('@App/master.twig');
         $renderer = new TwigRendererEngine(['@TwigBridgeTemplates/views/Form/form_div_layout.html.twig']);
         $renderer->setEnvironment($twig);
         $twig->addExtension(new FormExtension(new TwigRenderer($renderer)));
         $twig->addExtension(new TranslationExtension(new IdentityTranslator()));
         return $twig;
     });
     $this->getContainer()->setShared('form_factory', function () {
         if (class_exists('Symfony\\Component\\Validator\\Mapping\\Factory\\LazyLoadingMetadataFactory')) {
             $metadataFactory = new LazyLoadingMetadataFactory(new StaticMethodLoader());
         } else {
             $metadataFactory = new ClassMetadataFactory(new StaticMethodLoader());
         }
         $builder = Validation::createValidatorBuilder()->setConstraintValidatorFactory(new ConstraintValidatorFactory())->setTranslationDomain('validators')->setMetadataFactory($metadataFactory);
         $extensions = [new HttpFoundationExtension(), new ValidatorExtension($builder->getValidator())];
         return Forms::createFormFactoryBuilder()->addExtensions($extensions)->setResolvedTypeFactory(new ResolvedFormTypeFactory())->getFormFactory();
     });
 }
Ejemplo n.º 11
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 /**
  * Determines if the calling plugin is currently active (that is, it was requested).
  * If so, configure Orchestra for this plugin (e.g. setting namespace, directories etc.)
  * and construct a front controller to handle the current request.
  *
  * @param $pluginNamespace
  * @param $pluginDirectory
  * @param array $additionalNamespaces
  * @param array $additionalPrefixes
  * @param array $directories
  * @return mixed
  */
 public static function setupPlugin($pluginNamespace, $pluginDirectory, $additionalNamespaces = array(), $additionalPrefixes = array(), $directories = array('src' => '/src', 'views' => '/resources/views', 'cache' => '/data/cache'))
 {
     global $orchestraConfig;
     global $orchestraClassLoader;
     // If there is no $request set yet, create one from globals
     // This needs to be done only once because the request is the
     // same, no matter which plugin called Framework::setupPlugin()
     // Also, make sure to undo WP addslasjes madness
     // Code is taken from Request::createFromGlobals()
     if (!self::$request) {
         $request = new Request(stripslashes_deep($_GET), stripslashes_deep($_POST), array(), stripslashes_deep($_COOKIE), stripslashes_deep($_FILES), stripslashes_deep($_SERVER));
         if (0 === strpos($request->headers->get('CONTENT_TYPE'), 'application/x-www-form-urlencoded') && in_array(strtoupper($request->server->get('REQUEST_METHOD', 'GET')), array('PUT', 'DELETE', 'PATCH'))) {
             parse_str($request->getContent(), $data);
             $request->request = new ParameterBag($data);
         }
         self::$request = $request;
     }
     // Generate plugin identifier based on the namespace by stripping the backslashes
     $pluginIdentifier = str_replace('\\', '', $pluginNamespace);
     // Only proceed if the requested page is the calling plugin
     if (self::$request->query->get('page') == $pluginIdentifier) {
         // Register the namespace of the calling plugin
         // and any additional namespaces passed
         $additionalNamespaces[$pluginNamespace] = $pluginDirectory . $directories['src'] . '/';
         $orchestraClassLoader->registerNamespaces($additionalNamespaces);
         // Register prefixes is passed
         if (count($additionalPrefixes) > 0) {
             $orchestraClassLoader->registerPrefixes($additionalPrefixes);
         }
         self::$pluginNamespace = $pluginNamespace;
         // Boot Doctrine and use the configuration of the active plugin
         if (!class_exists("Doctrine\\Common\\Version", false)) {
             include_once $pluginDirectory . '/doctrine-config.php';
             include_once __DIR__ . '/../../includes/bootstrap-doctrine.php';
         }
         // Setup Twig
         $translator = new Translator($orchestraConfig['language']);
         $translator->addLoader('xlf', new XliffFileLoader());
         $translator->addResource('xlf', $orchestraConfig['vendorDir'] . '/symfony/form/Symfony/Component/Form/Resources/translations/validators.' . $orchestraConfig['language'] . '.xlf', $orchestraConfig['language'], 'validators');
         $translator->addResource('xlf', $orchestraConfig['vendorDir'] . '/symfony/validator/Symfony/Component/Validator/Resources/translations/validators.' . $orchestraConfig['language'] . '.xlf', $orchestraConfig['language'], 'validators');
         $loader = new \Twig_Loader_Filesystem(array(realpath($pluginDirectory . $directories['views']), $orchestraConfig['vendorDir'] . '/symfony/twig-bridge/Symfony/Bridge/Twig/Resources/views/Form'));
         $twigFormEngine = new TwigRendererEngine(array('form_div_layout.html.twig'));
         $twigEnvironmentOptions = array();
         if ($orchestraConfig['env'] == 'prod') {
             $twigEnvironmentOptions['cache'] = realpath($pluginDirectory . $directories['cache']);
         } else {
             $twigEnvironmentOptions['cache'] = false;
         }
         $twig = new \Twig_Environment($loader, $twigEnvironmentOptions);
         $twig->addGlobal('wp', new WordpressProxy());
         $twig->addExtension(new PluginBaseExtension(self::$request));
         $twig->addExtension(new TranslationExtension($translator));
         $twig->addExtension(new FormExtension(new TwigRenderer($twigFormEngine, null)));
         $twigFormEngine->setEnvironment($twig);
         // Setup the form factory with all CSRF and validator extensions
         $csrfProvider = new DefaultCsrfProvider($orchestraConfig['csrfSecret']);
         $validator = Validation::createValidatorBuilder()->enableAnnotationMapping()->getValidator();
         $formFactory = Forms::createFormFactoryBuilder()->addExtension(new CsrfExtension($csrfProvider))->addExtension(new ValidatorExtension($validator))->getFormFactory();
         // Instantiate FrontController
         self::$frontController = new FrontController(self::$request, $em, $twig, $formFactory);
     }
     // Return the generated plugin identifier for use
     // inside the plugin, e.g. in add_menu_page()
     return $pluginIdentifier;
 }
 private function addFormExtension(\Twig_environment $environment)
 {
     $engine = new TwigRendererEngine(array($this->form_theme));
     $engine->setEnvironment($environment);
     $environment->addExtension(new FormExtension(new TwigRenderer($engine, $this->csrf_token_manager)));
 }
Ejemplo n.º 13
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 private function setUpTwig()
 {
     $cacheDir = $this->isDebug() ? null : $this->getCacheDir() . '/twig';
     // Set up the twig templating environment to parse views
     $loader = new Twig_Loader_Filesystem(__DIR__ . '/../views');
     $twig = new Twig_Environment($loader, array('cache' => $cacheDir, 'debug' => $this->isDebug()));
     // Load the routing extension to twig, which adds functions such as path()
     $formEngine = new TwigRendererEngine(array('form_layout.html.twig'));
     $formEngine->setEnvironment($twig);
     $twig->addExtension(new RoutingExtension(Service::getGenerator()));
     $twig->addExtension(new FormExtension(new TwigRenderer($formEngine)));
     $twig->addExtension(new ImagineExtension($this->container->get('liip_imagine.cache.manager')));
     $twig->addExtension(new AssetExtension($this->container->get('assets.packages')));
     $twig->addExtension(new StopwatchExtension($this->container->get('debug.stopwatch', null)));
     if ($this->getEnvironment() == 'profile') {
         $twig->addExtension(new DumpExtension($this->container->get('var_dumper.cloner')));
     }
     $twig->addFunction(LinkToFunction::get());
     $twig->addFilter(HumanDateFilter::get());
     $twig->addFilter(TruncateFilter::get());
     $twig->addFilter(MarkdownFilter::get());
     $twig->addFilter(PluralFilter::get());
     $twig->addFilter(YesNoFilter::get());
     $twig->addTest(ValidTest::get());
     $twig->addTest(InvalidTest::get());
     if ($this->isDebug()) {
         $twig->addExtension(new Twig_Extension_Debug());
     }
     Service::setTemplateEngine($twig);
 }
Ejemplo n.º 14
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use Symfony\Component\Form\Forms;
use Symfony\Component\Form\Extension\Validator\ValidatorExtension;
use Symfony\Component\Form\Extension\Csrf\CsrfExtension;
use Symfony\Component\Security\Csrf\CsrfTokenManager;
use Symfony\Component\Translation\Translator;
use Symfony\Component\Translation\Loader\XliffFileLoader;
use Symfony\Bridge\Twig\Extension\TranslationExtension;
use Symfony\Bridge\Twig\Extension\FormExtension;
use Symfony\Bridge\Twig\Form\TwigRenderer;
define('DEFAULT_FORM_THEME', 'form_div_layout.html.twig');
define('VENDOR_DIR', realpath(__DIR__ . '/../vendor'));
define('VENDOR_FORM_DIR', VENDOR_DIR . '/symfony/form');
define('VENDOR_VALIDATOR_DIR', VENDOR_DIR . '/symfony/validator');
define('VENDOR_TWIG_BRIDGE_DIR', VENDOR_DIR . '/symfony/twig-bridge');
define('VIEWS_DIR', realpath(__DIR__ . '/../views'));
// Set up the CSRF Token Manager
$csrfTokenManager = new CsrfTokenManager();
// Set up the Validator component
$validator = Validation::createValidator();
// Set up the Translation component
$translator = new Translator('en');
$translator->addLoader('xlf', new XliffFileLoader());
$translator->addResource('xlf', VENDOR_FORM_DIR . '/Resources/translations/validators.en.xlf', 'en', 'validators');
$translator->addResource('xlf', VENDOR_VALIDATOR_DIR . '/Resources/translations/validators.en.xlf', 'en', 'validators');
$twig = new Twig_Environment(new Twig_Loader_Filesystem(array(VIEWS_DIR, VENDOR_TWIG_BRIDGE_DIR . '/Resources/views/Form')));
$formEngine = new TwigRendererEngine(array(DEFAULT_FORM_THEME));
$formEngine->setEnvironment($twig);
$twig->addExtension(new TranslationExtension($translator));
$twig->addExtension(new FormExtension(new TwigRenderer($formEngine, $csrfTokenManager)));
// Set up the Form component
$formFactory = Forms::createFormFactoryBuilder()->addExtension(new CsrfExtension($csrfTokenManager))->addExtension(new ValidatorExtension($validator))->getFormFactory();
Ejemplo n.º 15
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 protected function setupForms()
 {
     // Set up the CSRF provider
     $csrfProvider = new DefaultCsrfProvider(CSRF_SECRET);
     // Set up the Translation component
     $translator = new Translator('en');
     $translator->setFallbackLocale(array('en'));
     $translator->setLocale('en');
     $translator->addLoader('xlf', new XliffFileLoader());
     $translator->addResource('xlf', VENDOR_FORM_DIR . '/Resources/translations/validators.en.xlf', 'en', 'validators');
     $translator->addResource('xlf', VENDOR_VALIDATOR_DIR . '/Resources/translations/validators.en.xlf', 'en', 'validators');
     // Set up the Validator component
     $validator = Validation::createValidatorBuilder()->setTranslator($translator)->setTranslationDomain('validators')->getValidator();
     $formEngine = new TwigRendererEngine(array(DEFAULT_FORM_THEME));
     $twig = $this->view->getInstance();
     $formEngine->setEnvironment($twig);
     $twig->addExtension(new TranslationExtension($translator));
     $twig->addExtension(new FormExtension(new TwigRenderer($formEngine, $csrfProvider)));
     // Set up the Form component
     $this->form = Forms::createFormFactoryBuilder()->addExtension(new CsrfExtension($csrfProvider))->addExtension(new ValidatorExtension($validator))->getFormFactory();
 }