/**
* Validates request attributes.
*/
protected function validateRequestAttributes(EntityInterface $entity, $field_name, $langcode)
{
// Validate the field name and language.
if (!$field_name || !$entity->hasField($field_name)) {
return FALSE;
}
if (!$langcode || !$entity->hasTranslation($langcode)) {
return FALSE;
}
return TRUE;
}
/**
* {@inheritdoc}
*/
public function getTranslationFromContext(EntityInterface $entity, $langcode = NULL, $context = array())
{
$translation = $entity;
if ($entity instanceof TranslatableInterface) {
if (empty($langcode)) {
$langcode = $this->languageManager->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)->getId();
}
// Retrieve language fallback candidates to perform the entity language
// negotiation.
$context['data'] = $entity;
$context += array('operation' => 'entity_view', 'langcode' => $langcode);
$candidates = $this->languageManager->getFallbackCandidates($context);
// Ensure the default language has the proper language code.
$default_language = $entity->getUntranslated()->language();
$candidates[$default_language->getId()] = LanguageInterface::LANGCODE_DEFAULT;
// Return the most fitting entity translation.
foreach ($candidates as $candidate) {
if ($entity->hasTranslation($candidate)) {
$translation = $entity->getTranslation($candidate);
break;
}
}
}
return $translation;
}
/**
* Updates an entity with the new values from row.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity to update.
* @param \Drupal\migrate\Row $row
* The row object to update from.
*
* @return \Drupal\Core\Entity\EntityInterface|null
* An updated entity, or NULL if it's the same as the one passed in.
*/
protected function updateEntity(EntityInterface $entity, Row $row)
{
// By default, an update will be preserved.
$rollback_action = MigrateIdMapInterface::ROLLBACK_PRESERVE;
// Make sure we have the right translation.
if ($this->isTranslationDestination()) {
$property = $this->storage->getEntityType()->getKey('langcode');
if ($row->hasDestinationProperty($property)) {
$language = $row->getDestinationProperty($property);
if (!$entity->hasTranslation($language)) {
$entity->addTranslation($language);
// We're adding a translation, so delete it on rollback.
$rollback_action = MigrateIdMapInterface::ROLLBACK_DELETE;
}
$entity = $entity->getTranslation($language);
}
}
// If the migration has specified a list of properties to be overwritten,
// clone the row with an empty set of destination values, and re-add only
// the specified properties.
if (isset($this->configuration['overwrite_properties'])) {
$clone = $row->cloneWithoutDestination();
foreach ($this->configuration['overwrite_properties'] as $property) {
$clone->setDestinationProperty($property, $row->getDestinationProperty($property));
}
$row = $clone;
}
foreach ($row->getDestination() as $field_name => $values) {
$field = $entity->{$field_name};
if ($field instanceof TypedDataInterface) {
$field->setValue($values);
}
}
$this->setRollbackAction($row->getIdMap(), $rollback_action);
// We might have a different (translated) entity, so return it.
return $entity;
}
/**
* Initializes the translation form state.
*
* @param \Drupal\Core\Form\FormStateInterface $form_state
* @param \Drupal\Core\Entity\EntityInterface $host
*/
protected function initIsTranslating(FormStateInterface $form_state, EntityInterface $host)
{
if ($this->isTranslating != NULL) {
return;
}
$this->isTranslating = FALSE;
if (!$host->isTranslatable()) {
return;
}
if (!$host->getEntityType()->hasKey('default_langcode')) {
return;
}
$default_langcode_key = $host->getEntityType()->getKey('default_langcode');
if (!$host->hasField($default_langcode_key)) {
return;
}
if (!empty($form_state->get('content_translation'))) {
// Adding a language through the ContentTranslationController.
$this->isTranslating = TRUE;
}
if ($host->hasTranslation($form_state->get('langcode')) && $host->getTranslation($form_state->get('langcode'))->get($default_langcode_key)->value == 0) {
// Editing a translation.
$this->isTranslating = TRUE;
}
}