Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\language;
Chris@0: 
Chris@0: use Drupal\Core\Config\ConfigFactoryInterface;
Chris@0: use Drupal\Core\Config\Entity\DraggableListBuilder;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\Core\Entity\EntityStorageInterface;
Chris@0: use Drupal\Core\Entity\EntityTypeInterface;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\Core\Language\LanguageManagerInterface;
Chris@17: use Drupal\Core\Messenger\MessengerInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Defines a class to build a listing of language entities.
Chris@0:  *
Chris@0:  * @see \Drupal\language\Entity\ConfigurableLanguage
Chris@0:  */
Chris@0: class LanguageListBuilder extends DraggableListBuilder {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected $entitiesKey = 'languages';
Chris@0: 
Chris@0:   /**
Chris@0:    * The language manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Language\LanguageManagerInterface
Chris@0:    */
Chris@0:   protected $languageManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * The configuration factory.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Config\ConfigFactoryInterface
Chris@0:    */
Chris@0:   protected $configFactory;
Chris@0: 
Chris@0:   /**
Chris@17:    * The messenger.
Chris@17:    *
Chris@17:    * @var \Drupal\Core\Messenger\MessengerInterface
Chris@17:    */
Chris@17:   protected $messenger;
Chris@17: 
Chris@17:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
Chris@0:     return new static(
Chris@0:       $entity_type,
Chris@18:       $container->get('entity_type.manager')->getStorage($entity_type->id()),
Chris@0:       $container->get('language_manager'),
Chris@17:       $container->get('config.factory'),
Chris@17:       $container->get('messenger')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new LanguageListBuilder object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
Chris@0:    *   The entity type definition.
Chris@0:    * @param \Drupal\Core\Entity\EntityStorageInterface $storage
Chris@0:    *   The entity storage handler class.
Chris@0:    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
Chris@0:    *   The language manager.
Chris@0:    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
Chris@0:    *   The factory for configuration objects.
Chris@17:    * @param \Drupal\Core\Messenger\MessengerInterface $messenger
Chris@17:    *   The messenger.
Chris@0:    */
Chris@17:   public function __construct(EntityTypeInterface $entity_type, EntityStorageInterface $storage, LanguageManagerInterface $language_manager, ConfigFactoryInterface $config_factory, MessengerInterface $messenger) {
Chris@0:     parent::__construct($entity_type, $storage);
Chris@0:     $this->languageManager = $language_manager;
Chris@0:     $this->configFactory = $config_factory;
Chris@17:     $this->messenger = $messenger;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function load() {
Chris@0:     $entities = $this->storage->loadByProperties(['locked' => FALSE]);
Chris@0: 
Chris@0:     // Sort the entities using the entity class's sort() method.
Chris@0:     // See \Drupal\Core\Config\Entity\ConfigEntityBase::sort().
Chris@0:     uasort($entities, [$this->entityType->getClass(), 'sort']);
Chris@0:     return $entities;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getFormId() {
Chris@0:     return 'language_admin_overview_form';
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildHeader() {
Chris@0:     $header = [
Chris@0:         'label' => t('Name'),
Chris@0:         'default' => t('Default'),
Chris@0:       ] + parent::buildHeader();
Chris@0:     return $header;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildRow(EntityInterface $entity) {
Chris@0:     $row['label'] = $entity->label();
Chris@0:     $row['default'] = [
Chris@0:       '#type' => 'radio',
Chris@0:       '#parents' => ['site_default_language'],
Chris@0:       '#title' => t('Set @title as default', ['@title' => $entity->label()]),
Chris@0:       '#title_display' => 'invisible',
Chris@0:       '#return_value' => $entity->id(),
Chris@0:       '#id' => 'edit-site-default-language-' . $entity->id(),
Chris@0:     ];
Chris@0:     // Mark the right language as default in the form.
Chris@0:     if ($entity->id() == $this->languageManager->getDefaultLanguage()->getId()) {
Chris@0:       $row['default']['#default_value'] = $entity->id();
Chris@0:     }
Chris@0:     return $row + parent::buildRow($entity);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildForm(array $form, FormStateInterface $form_state) {
Chris@0:     $form = parent::buildForm($form, $form_state);
Chris@0: 
Chris@0:     $form[$this->entitiesKey]['#languages'] = $this->entities;
Chris@0:     $form['actions']['submit']['#value'] = t('Save configuration');
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function validateForm(array &$form, FormStateInterface $form_state) {
Chris@0:     if (!isset($this->entities[$form_state->getValue('site_default_language')])) {
Chris@0:       $form_state->setErrorByName('site_default_language', $this->t('Selected default language no longer exists.'));
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function submitForm(array &$form, FormStateInterface $form_state) {
Chris@0:     parent::submitForm($form, $form_state);
Chris@0: 
Chris@0:     // Save the default language if changed.
Chris@0:     $new_id = $form_state->getValue('site_default_language');
Chris@0:     if ($new_id != $this->languageManager->getDefaultLanguage()->getId()) {
Chris@0:       $this->configFactory->getEditable('system.site')->set('default_langcode', $new_id)->save();
Chris@0:       $this->languageManager->reset();
Chris@0:     }
Chris@0: 
Chris@0:     if ($this->languageManager instanceof ConfigurableLanguageManagerInterface) {
Chris@0:       $this->languageManager->updateLockedLanguageWeights();
Chris@0:     }
Chris@0: 
Chris@17:     $this->messenger->addStatus($this->t('Configuration saved.'));
Chris@0:     // Force the redirection to the page with the language we have just
Chris@0:     // selected as default.
Chris@18:     $form_state->setRedirectUrl($this->entities[$new_id]->toUrl('collection', ['language' => $this->entities[$new_id]]));
Chris@0:   }
Chris@0: 
Chris@0: }