PHP ContentEntityInterface::hasTranslation方法代码示例

 /**
  * Set the entity of this source.
  */
 public function setEntity(ContentEntityInterface $entity)
 {
     $this->entity = $entity;
     if ($this->entity->hasTranslation($this->getLanguage())) {
         $this->entity = $this->entity->getTranslation($this->getLanguage());
     }
 }

 /**
  * Transforms an entity into an array of strings.
  *
  * Parses an entity's fields and for every field it builds an array of string
  * to be compared. Basically this function transforms an entity into an array
  * of strings.
  *
  * @param ContentEntityInterface $entity
  *   An entity containing fields.
  *
  * @return array
  *   Array of strings resulted by parsing the entity.
  */
 public function parseEntity(ContentEntityInterface $entity)
 {
     $result = array();
     $langcode = \Drupal::languageManager()->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)->getId();
     // Load entity of current language, otherwise fields are always compared by
     // their default language.
     if ($entity->hasTranslation($langcode)) {
         $entity = $entity->getTranslation($langcode);
     }
     $entity_type_id = $entity->getEntityTypeId();
     // Load all entity base fields.
     $entity_base_fields = $this->entityManager->getBaseFieldDefinitions($entity_type_id);
     // Loop through entity fields and transform every FieldItemList object
     // into an array of strings according to field type specific settings.
     foreach ($entity as $field_items) {
         $field_type = $field_items->getFieldDefinition()->getType();
         $plugin_config = $this->pluginsConfig->get('field_types.' . $field_type);
         $plugin = NULL;
         if ($plugin_config && $plugin_config['type'] != 'hidden') {
             $plugin = $this->diffBuilderManager->createInstance($plugin_config['type'], $plugin_config['settings']);
         }
         if ($plugin) {
             // Configurable field. It is the responsibility of the class extending
             // this class to hide some configurable fields from comparison. This
             // class compares all configurable fields.
             if (!array_key_exists($field_items->getName(), $entity_base_fields)) {
                 $build = $plugin->build($field_items);
                 if (!empty($build)) {
                     $result[$field_items->getName()] = $build;
                 }
             } else {
                 // Check if this field needs to be compared.
                 $config_key = 'entity.' . $entity_type_id . '.' . $field_items->getName();
                 $enabled = $this->config->get($config_key);
                 if ($enabled) {
                     $build = $plugin->build($field_items);
                     if (!empty($build)) {
                         $result[$field_items->getName()] = $build;
                     }
                 }
             }
         }
     }
     return $result;
 }

 /**
  * Builds the entity translation for the provided translation data.
  *
  * @param \Drupal\Core\Entity\ContentEntityInterface $entity
  *   The entity for which the translation should be returned.
  * @param array $data
  *   The translation data for the fields.
  * @param string $target_langcode
  *   The target language.
  *
  * @return \Drupal\Core\Entity\ContentEntityInterface $translation
  *   Translation data.
  */
 protected function makePreview(ContentEntityInterface $entity, array $data, $target_langcode)
 {
     // If the translation for this language does not exist yet, initialize it.
     if (!$entity->hasTranslation($target_langcode)) {
         $entity->addTranslation($target_langcode, $entity->toArray());
     }
     $embeded_fields = $this->config('tmgmt_content.settings')->get('embedded_fields');
     $translation = $entity->getTranslation($target_langcode);
     foreach ($data as $name => $field_data) {
         foreach (Element::children($field_data) as $delta) {
             $field_item = $field_data[$delta];
             foreach (Element::children($field_item) as $property) {
                 $property_data = $field_item[$property];
                 // If there is translation data for the field property, save it.
                 if (isset($property_data['#translation']['#text']) && $property_data['#translate']) {
                     $translation->get($name)->offsetGet($delta)->set($property, $property_data['#translation']['#text']);
                 } elseif (isset($embeded_fields[$entity->getEntityTypeId()][$name])) {
                     $this->makePreview($translation->get($name)->offsetGet($delta)->{$property}, $property_data, $target_langcode);
                 }
             }
         }
     }
     return $translation;
 }

 /**
  * Saves translation data in an entity translation.
  *
  * @param \Drupal\Core\Entity\ContentEntityInterface $entity
  *   The entity for which the translation should be saved.
  * @param array $data
  *   The translation data for the fields.
  * @param string $target_langcode
  *   The target language.
  */
 protected function doSaveTranslations(ContentEntityInterface $entity, array $data, $target_langcode)
 {
     // If the translation for this language does not exist yet, initialize it.
     if (!$entity->hasTranslation($target_langcode)) {
         $entity->addTranslation($target_langcode, $entity->toArray());
     }
     $embeded_fields = \Drupal::config('tmgmt_content.settings')->get('embedded_fields');
     $translation = $entity->getTranslation($target_langcode);
     $manager = \Drupal::service('content_translation.manager');
     $manager->getTranslationMetadata($translation)->setSource($entity->language()->getId());
     foreach ($data as $name => $field_data) {
         foreach (Element::children($field_data) as $delta) {
             $field_item = $field_data[$delta];
             foreach (Element::children($field_item) as $property) {
                 $property_data = $field_item[$property];
                 // If there is translation data for the field property, save it.
                 if (isset($property_data['#translation']['#text']) && $property_data['#translate']) {
                     $translation->get($name)->offsetGet($delta)->set($property, $property_data['#translation']['#text']);
                 } elseif (isset($embeded_fields[$entity->getEntityTypeId()][$name])) {
                     $this->doSaveTranslations($translation->get($name)->offsetGet($delta)->{$property}, $property_data, $target_langcode);
                 }
             }
         }
     }
     $translation->save();
 }