RouteSubscriber.php in Language Hierarchy 8

Namespace

Drupal\language_hierarchy\Routing

File

src/Routing/RouteSubscriber.php

<?php

namespace Drupal\language_hierarchy\Routing;

use Drupal\Core\Routing\RouteSubscriberBase;
use Drupal\config_translation\ConfigMapperManagerInterface;
use Drupal\Core\Routing\RoutingEvents;
use Symfony\Component\Routing\RouteCollection;

/**
 * Listens to the dynamic route events.
 */
class RouteSubscriber extends RouteSubscriberBase {

  /**
   * The mapper plugin discovery service.
   *
   * @var \Drupal\config_translation\ConfigMapperManagerInterface
   */
  protected $mapperManager;

  /**
   * Constructs a new RouteSubscriber.
   *
   * @param \Drupal\config_translation\ConfigMapperManagerInterface $mapper_manager
   *   The mapper plugin discovery service.
   */
  public function __construct(ConfigMapperManagerInterface $mapper_manager) {
    $this->mapperManager = $mapper_manager;
  }

  /**
   * {@inheritdoc}
   */
  protected function alterRoutes(RouteCollection $collection) {
    $mappers = $this->mapperManager
      ->getMappers($collection);
    foreach ($mappers as $mapper) {
      $route = $collection
        ->get($mapper
        ->getOverviewRouteName());
      if ($route
        ->getDefault('_controller') === '\\Drupal\\config_translation\\Controller\\ConfigTranslationController::itemPage') {
        $route
          ->setDefault('_controller', '\\Drupal\\language_hierarchy\\Controller\\ConfigTranslationController::itemPage');
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {

    // Come after field_ui.
    $events[RoutingEvents::ALTER] = [
      'onAlterRoutes',
      -110,
    ];
    return $events;
  }

}

Classes

Name	Description
RouteSubscriber	Listens to the dynamic route events.