Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\language\Entity;
Chris@0: 
Chris@0: use Drupal\Core\Config\Entity\ConfigEntityBase;
Chris@0: use Drupal\Core\Entity\EntityStorageInterface;
Chris@0: use Drupal\Core\Language\LanguageManager;
Chris@0: use Drupal\language\ConfigurableLanguageManager;
Chris@0: use Drupal\language\ConfigurableLanguageManagerInterface;
Chris@0: use Drupal\language\Exception\DeleteDefaultLanguageException;
Chris@0: use Drupal\language\ConfigurableLanguageInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Defines the ConfigurableLanguage entity.
Chris@0:  *
Chris@0:  * @ConfigEntityType(
Chris@0:  *   id = "configurable_language",
Chris@0:  *   label = @Translation("Language"),
Chris@17:  *   label_collection = @Translation("Languages"),
Chris@17:  *   label_singular = @Translation("language"),
Chris@17:  *   label_plural = @Translation("languages"),
Chris@17:  *   label_count = @PluralTranslation(
Chris@17:  *     singular = "@count language",
Chris@17:  *     plural = "@count languages",
Chris@17:  *   ),
Chris@0:  *   handlers = {
Chris@0:  *     "list_builder" = "Drupal\language\LanguageListBuilder",
Chris@0:  *     "access" = "Drupal\language\LanguageAccessControlHandler",
Chris@0:  *     "form" = {
Chris@0:  *       "add" = "Drupal\language\Form\LanguageAddForm",
Chris@0:  *       "edit" = "Drupal\language\Form\LanguageEditForm",
Chris@0:  *       "delete" = "Drupal\language\Form\LanguageDeleteForm"
Chris@0:  *     }
Chris@0:  *   },
Chris@0:  *   admin_permission = "administer languages",
Chris@0:  *   config_prefix = "entity",
Chris@0:  *   entity_keys = {
Chris@0:  *     "id" = "id",
Chris@0:  *     "label" = "label",
Chris@0:  *     "weight" = "weight"
Chris@0:  *   },
Chris@18:  *   config_export = {
Chris@18:  *     "id",
Chris@18:  *     "label",
Chris@18:  *     "direction",
Chris@18:  *     "weight",
Chris@18:  *     "locked"
Chris@18:  *   },
Chris@0:  *   links = {
Chris@0:  *     "delete-form" = "/admin/config/regional/language/delete/{configurable_language}",
Chris@0:  *     "edit-form" = "/admin/config/regional/language/edit/{configurable_language}",
Chris@0:  *     "collection" = "/admin/config/regional/language",
Chris@0:  *   }
Chris@0:  * )
Chris@0:  */
Chris@0: class ConfigurableLanguage extends ConfigEntityBase implements ConfigurableLanguageInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The language ID (machine name).
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $id;
Chris@0: 
Chris@0:   /**
Chris@0:    * The human-readable label for the language.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $label;
Chris@0: 
Chris@0:   /**
Chris@0:    * The direction of language, either DIRECTION_LTR or DIRECTION_RTL.
Chris@0:    *
Chris@0:    * @var int
Chris@0:    */
Chris@0:   protected $direction = self::DIRECTION_LTR;
Chris@0: 
Chris@0:   /**
Chris@0:    * The weight of the language, used in lists of languages.
Chris@0:    *
Chris@0:    * @var int
Chris@0:    */
Chris@0:   protected $weight = 0;
Chris@0: 
Chris@0:   /**
Chris@0:    * Locked languages cannot be edited.
Chris@0:    *
Chris@0:    * @var bool
Chris@0:    */
Chris@0:   protected $locked = FALSE;
Chris@0: 
Chris@0:   /**
Chris@0:    * Used during saving to detect when the site becomes multilingual.
Chris@0:    *
Chris@0:    * This property is not saved to the language entity, but is needed for
Chris@0:    * detecting when to rebuild the services.
Chris@0:    *
Chris@0:    * @see \Drupal\language\Entity\ConfigurableLanguage::preSave()
Chris@0:    * @see \Drupal\language\Entity\ConfigurableLanguage::postSave()
Chris@0:    *
Chris@0:    * @var bool
Chris@0:    */
Chris@0:   protected $preSaveMultilingual;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function isDefault() {
Chris@0:     return static::getDefaultLangcode() == $this->id();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function isLocked() {
Chris@0:     return (bool) $this->locked;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function preSave(EntityStorageInterface $storage) {
Chris@0:     parent::preSave($storage);
Chris@0:     // Store whether or not the site is already multilingual so that we can
Chris@0:     // rebuild services if necessary during
Chris@0:     // \Drupal\language\Entity\ConfigurableLanguage::postSave().
Chris@0:     $this->preSaveMultilingual = \Drupal::languageManager()->isMultilingual();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function postSave(EntityStorageInterface $storage, $update = TRUE) {
Chris@0:     parent::postSave($storage, $update);
Chris@0: 
Chris@0:     $language_manager = \Drupal::languageManager();
Chris@0:     $language_manager->reset();
Chris@0:     if (!$this->isLocked() && $language_manager instanceof ConfigurableLanguageManagerInterface && !$this->isSyncing()) {
Chris@0:       $language_manager->updateLockedLanguageWeights();
Chris@0:     }
Chris@0: 
Chris@0:     // Update URL Prefixes for all languages after the
Chris@0:     // LanguageManagerInterface::getLanguages() cache is flushed.
Chris@0:     language_negotiation_url_prefixes_update();
Chris@0: 
Chris@0:     // If after adding this language the site will become multilingual, we need
Chris@0:     // to rebuild language services.
Chris@0:     if (!$this->preSaveMultilingual && !$update && $language_manager instanceof ConfigurableLanguageManagerInterface) {
Chris@0:       $language_manager::rebuildServices();
Chris@0:     }
Chris@0:     if (!$update) {
Chris@0:       // Install any available language configuration overrides for the language.
Chris@0:       \Drupal::service('language.config_factory_override')->installLanguageOverrides($this->id());
Chris@0:     }
Chris@17: 
Chris@17:     if (!$this->isLocked() && !$update) {
Chris@17:       // Add language to the list of language domains.
Chris@17:       $config = \Drupal::configFactory()->getEditable('language.negotiation');
Chris@17:       $domains = $config->get('url.domains');
Chris@17:       $domains[$this->id()] = '';
Chris@18:       $config->set('url.domains', $domains)->save(TRUE);
Chris@17:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    *
Chris@0:    * @throws \DeleteDefaultLanguageException
Chris@0:    *   Exception thrown if we're trying to delete the default language entity.
Chris@0:    *   This is not allowed as a site must have a default language.
Chris@0:    */
Chris@0:   public static function preDelete(EntityStorageInterface $storage, array $entities) {
Chris@0:     $default_langcode = static::getDefaultLangcode();
Chris@0:     foreach ($entities as $entity) {
Chris@0:       if ($entity->id() == $default_langcode && !$entity->isUninstalling()) {
Chris@0:         throw new DeleteDefaultLanguageException('Can not delete the default language');
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function postDelete(EntityStorageInterface $storage, array $entities) {
Chris@0:     parent::postDelete($storage, $entities);
Chris@0:     $language_manager = \Drupal::languageManager();
Chris@0:     $language_manager->reset();
Chris@0:     $entity = reset($entities);
Chris@0:     if ($language_manager instanceof ConfigurableLanguageManagerInterface && !$entity->isUninstalling() && !$entity->isSyncing()) {
Chris@0:       $language_manager->updateLockedLanguageWeights();
Chris@0:     }
Chris@0:     // If after deleting this language the site will become monolingual, we need
Chris@0:     // to rebuild language services.
Chris@0:     if (!\Drupal::languageManager()->isMultilingual()) {
Chris@0:       ConfigurableLanguageManager::rebuildServices();
Chris@0:     }
Chris@17: 
Chris@17:     // Remove language from language prefix and domain list.
Chris@17:     $config = \Drupal::configFactory()->getEditable('language.negotiation');
Chris@17:     $config->clear('url.prefixes.' . $entity->id());
Chris@17:     $config->clear('url.domains.' . $entity->id());
Chris@18:     $config->save(TRUE);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Gets the default langcode.
Chris@0:    *
Chris@0:    * @return string
Chris@0:    *   The current default langcode.
Chris@0:    */
Chris@0:   protected static function getDefaultLangcode() {
Chris@0:     $language = \Drupal::service('language.default')->get();
Chris@0:     return $language->getId();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getName() {
Chris@0:     return $this->label();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setName($name) {
Chris@0:     $this->label = $name;
Chris@0: 
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getId() {
Chris@0:     return $this->id();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getDirection() {
Chris@0:     return $this->direction;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getWeight() {
Chris@0:     return $this->weight;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setWeight($weight) {
Chris@0:     $this->weight = $weight;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Creates a configurable language object from a langcode.
Chris@0:    *
Chris@0:    * @param string $langcode
Chris@0:    *   The language code to use to create the object.
Chris@0:    *
Chris@0:    * @return $this
Chris@0:    *
Chris@0:    * @see \Drupal\Core\Language\LanguageManager::getStandardLanguageList()
Chris@0:    */
Chris@0:   public static function createFromLangcode($langcode) {
Chris@0:     $standard_languages = LanguageManager::getStandardLanguageList();
Chris@0:     if (!isset($standard_languages[$langcode])) {
Chris@0:       // Drupal does not know about this language, so we set its values with the
Chris@0:       // best guess. The user will be able to edit afterwards.
Chris@0:       return static::create([
Chris@0:         'id' => $langcode,
Chris@0:         'label' => $langcode,
Chris@0:       ]);
Chris@0:     }
Chris@0:     else {
Chris@0:       // A known predefined language, details will be filled in properly.
Chris@0:       return static::create([
Chris@0:         'id' => $langcode,
Chris@0:         'label' => $standard_languages[$langcode][0],
Chris@0:         'direction' => isset($standard_languages[$langcode][2]) ? $standard_languages[$langcode][2] : static::DIRECTION_LTR,
Chris@0:       ]);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }