80 lines
2.2 KiB
PHP
80 lines
2.2 KiB
PHP
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<?php
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/**
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* @file
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* Contains \Drupal\language\EventSubscriber\ConfigSubscriber.
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*/
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namespace Drupal\language\EventSubscriber;
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use Drupal\Core\Language\LanguageDefault;
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use Drupal\Core\Language\LanguageManagerInterface;
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use Drupal\Core\PhpStorage\PhpStorageFactory;
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use Drupal\Core\Config\ConfigCrudEvent;
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use Drupal\Core\Config\ConfigEvents;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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/**
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* Deletes the container if default language has changed.
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*/
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class ConfigSubscriber implements EventSubscriberInterface {
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/**
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* The language manager.
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*
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* @var \Drupal\Core\Language\LanguageManagerInterface
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*/
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protected $languageManager;
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/**
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* The default language.
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*
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* @var \Drupal\Core\Language\LanguageDefault
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*/
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protected $languageDefault;
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/**
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* Constructs a new class object.
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*
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* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
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* The language manager.
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* @param \Drupal\Core\Language\LanguageDefault $language_default
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* The default language.
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*/
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public function __construct(LanguageManagerInterface $language_manager, LanguageDefault $language_default) {
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$this->languageManager = $language_manager;
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$this->languageDefault = $language_default;
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}
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/**
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* Causes the container to be rebuilt on the next request.
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*
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* @param ConfigCrudEvent $event
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* The configuration event.
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*/
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public function onConfigSave(ConfigCrudEvent $event) {
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$saved_config = $event->getConfig();
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if ($saved_config->getName() == 'system.site' && $event->isChanged('default_langcode')) {
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$language = $this->languageManager->getLanguage($saved_config->get('default_langcode'));
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// During an import the language might not exist yet.
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if ($language) {
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$this->languageDefault->set($language);
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$this->languageManager->reset();
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language_negotiation_url_prefixes_update();
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}
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// Trigger a container rebuild on the next request by deleting compiled
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// from PHP storage.
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PhpStorageFactory::get('service_container')->deleteAll();
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}
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}
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/**
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* {@inheritdoc}
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*/
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static function getSubscribedEvents() {
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$events[ConfigEvents::SAVE][] = array('onConfigSave', 0);
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return $events;
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}
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}
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