107 lines
4 KiB
PHP
107 lines
4 KiB
PHP
<?php
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/**
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* @file
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* Contains \Drupal\language\LanguageServiceProvider.
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*/
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namespace Drupal\language;
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use Drupal\Core\Config\BootstrapConfigStorageFactory;
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use Drupal\Core\DependencyInjection\ContainerBuilder;
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use Drupal\Core\DependencyInjection\ServiceProviderBase;
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use Drupal\Core\Language\LanguageInterface;
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use Symfony\Component\DependencyInjection\Reference;
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/**
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* Overrides the language_manager service to point to language's module one.
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*/
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class LanguageServiceProvider extends ServiceProviderBase {
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const CONFIG_PREFIX = 'language.entity.';
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/**
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* {@inheritdoc}
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*/
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public function register(ContainerBuilder $container) {
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// The following services are needed only on multilingual sites.
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if ($this->isMultilingual()) {
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$container->register('language_request_subscriber', 'Drupal\language\EventSubscriber\LanguageRequestSubscriber')
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->addTag('event_subscriber')
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->addArgument(new Reference('language_manager'))
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->addArgument(new Reference('language_negotiator'))
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->addArgument(new Reference('string_translation'))
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->addArgument(new Reference('current_user'));
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$container->register('path_processor_language', 'Drupal\language\HttpKernel\PathProcessorLanguage')
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->addTag('path_processor_inbound', array('priority' => 300))
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->addTag('path_processor_outbound', array('priority' => 100))
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->addArgument(new Reference('config.factory'))
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->addArgument(new Reference('language_manager'))
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->addArgument(new Reference('language_negotiator'))
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->addArgument(new Reference('current_user'));
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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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public function alter(ContainerBuilder $container) {
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$definition = $container->getDefinition('language_manager');
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$definition->setClass('Drupal\language\ConfigurableLanguageManager')
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->addArgument(new Reference('config.factory'))
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->addArgument(new Reference('module_handler'))
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->addArgument(new Reference('language.config_factory_override'))
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->addArgument(new Reference('request_stack'));
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if ($default_language_values = $this->getDefaultLanguageValues()) {
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$container->setParameter('language.default_values', $default_language_values);
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}
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// For monolingual sites, we explicitly set the default language for the
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// language config override service as there is no language negotiation.
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if (!$this->isMultilingual()) {
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$container->getDefinition('language.config_factory_override')
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->addMethodCall('setLanguageFromDefault', array(new Reference('language.default')));
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}
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}
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/**
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* Checks whether the site is multilingual.
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*
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* @return bool
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* TRUE if the site is multilingual, FALSE otherwise.
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*/
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protected function isMultilingual() {
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// Assign the prefix to a local variable so it can be used in an anonymous
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// function.
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$prefix = static::CONFIG_PREFIX;
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// @todo Try to swap out for config.storage to take advantage of database
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// and caching. This might prove difficult as this is called before the
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// container has finished building.
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$config_storage = BootstrapConfigStorageFactory::get();
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$config_ids = array_filter($config_storage->listAll($prefix), function($config_id) use ($prefix) {
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return $config_id != $prefix . LanguageInterface::LANGCODE_NOT_SPECIFIED && $config_id != $prefix . LanguageInterface::LANGCODE_NOT_APPLICABLE;
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});
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return count($config_ids) > 1;
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}
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/**
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* Gets the default language values.
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*
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* @return array|bool
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* Returns the default language values for the language configured in
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* system.site:default_langcode if the corresponding configuration entity
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* exists, otherwise FALSE.
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*/
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protected function getDefaultLanguageValues() {
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$config_storage = BootstrapConfigStorageFactory::get();
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$system = $config_storage->read('system.site');
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$default_language = $config_storage->read(static::CONFIG_PREFIX . $system['default_langcode']);
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if (is_array($default_language)) {
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return $default_language;
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}
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return FALSE;
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}
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}
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