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<?php
namespace Drupal\views\Entity\Render;
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use Drupal\Core\Language\LanguageInterface;
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use Drupal\views\Plugin\views\query\QueryPluginBase;
use Drupal\views\ResultRow;
/**
* Renders entity translations in their row language.
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*/
class TranslationLanguageRenderer extends EntityTranslationRendererBase {
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/**
* Stores the field alias of the langcode column.
*
* @var string
*/
protected $langcodeAlias;
/**
* {@inheritdoc}
*/
public function query(QueryPluginBase $query, $relationship = NULL) {
// In order to render in the translation language of the entity, we need
// to add the language code of the entity to the query. Skip if the site
// is not multilingual or the entity is not translatable.
if (!$this->languageManager->isMultilingual() || !$this->entityType->hasKey('langcode')) {
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return;
}
$langcode_key = $this->entityType->getKey('langcode');
$storage = \Drupal::entityManager()->getStorage($this->entityType->id());
if ($table = $storage->getTableMapping()->getFieldTableName($langcode_key)) {
$table_alias = $query->ensureTable($table, $relationship);
$this->langcodeAlias = $query->addField($table_alias, $langcode_key);
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}
}
/**
* {@inheritdoc}
*/
public function preRender(array $result) {
$view_builder = $this->view->rowPlugin->entityManager->getViewBuilder($this->entityType->id());
/** @var \Drupal\views\ResultRow $row */
foreach ($result as $row) {
$entity = $row->_entity;
$entity->view = $this->view;
$langcode = $this->getLangcode($row);
$this->build[$entity->id()][$langcode] = $view_builder->view($entity, $this->view->rowPlugin->options['view_mode'], $this->getLangcode($row));
}
}
/**
* {@inheritdoc}
*/
public function render(ResultRow $row) {
$entity_id = $row->_entity->id();
$langcode = $this->getLangcode($row);
return $this->build[$entity_id][$langcode];
}
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/**
* {@inheritdoc}
*/
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public function getLangcode(ResultRow $row) {
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return isset($row->{$this->langcodeAlias}) ? $row->{$this->langcodeAlias} : $this->languageManager->getDefaultLanguage()->getId();
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}
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/**
* {@inheritdoc}
*/
public function getCacheContexts() {
return ['languages:' . LanguageInterface::TYPE_CONTENT];
}