/**
* 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();
}
