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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Controller\TitleResolver. | |
| */ | |
| namespace Drupal\Core\Controller; | |
| use Drupal\Core\StringTranslation\StringTranslationTrait; | |
| use Drupal\Core\StringTranslation\TranslationInterface; | |
| use Symfony\Component\HttpFoundation\Request; | |
| use Symfony\Component\Routing\Route; | |
| /** | |
| * Provides the default implementation of the title resolver interface. | |
| */ | |
| class TitleResolver implements TitleResolverInterface { | |
| use StringTranslationTrait; | |
| /** | |
| * The controller resolver. | |
| * | |
| * @var \Drupal\Core\Controller\ControllerResolverInterface | |
| */ | |
| protected $controllerResolver; | |
| /** | |
| * Constructs a TitleResolver instance. | |
| * | |
| * @param \Drupal\Core\Controller\ControllerResolverInterface $controller_resolver | |
| * The controller resolver. | |
| * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation | |
| * The translation manager. | |
| */ | |
| public function __construct(ControllerResolverInterface $controller_resolver, TranslationInterface $string_translation) { | |
| $this->controllerResolver = $controller_resolver; | |
| $this->stringTranslation = $string_translation; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getTitle(Request $request, Route $route) { | |
| $route_title = NULL; | |
| // A dynamic title takes priority. Route::getDefault() returns NULL if the | |
| // named default is not set. By testing the value directly, we also avoid | |
| // trying to use empty values. | |
| if ($callback = $route->getDefault('_title_callback')) { | |
| $callable = $this->controllerResolver->getControllerFromDefinition($callback); | |
| $arguments = $this->controllerResolver->getArguments($request, $callable); | |
| $route_title = call_user_func_array($callable, $arguments); | |
| } | |
| elseif ($title = $route->getDefault('_title')) { | |
| $options = array(); | |
| if ($context = $route->getDefault('_title_context')) { | |
| $options['context'] = $context; | |
| } | |
| $args = array(); | |
| if (($raw_parameters = $request->attributes->get('_raw_variables'))) { | |
| foreach ($raw_parameters->all() as $key => $value) { | |
| $args['@' . $key] = $value; | |
| $args['%' . $key] = $value; | |
| } | |
| } | |
| if ($title_arguments = $route->getDefault('_title_arguments')) { | |
| $args = array_merge($args, (array) $title_arguments); | |
| } | |
| // Fall back to a static string from the route. | |
| $route_title = $this->t($title, $args, $options); | |
| } | |
| return $route_title; | |
| } | |
| } |