Version 1

[yaffs-website] / web / core / modules / views / src / Entity / Render / TranslationLanguageRenderer.php

diff --git a/web/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php b/web/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php
new file mode 100644 (file)
index 0000000..00ae524
--- /dev/null
+++ b/web/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace Drupal\views\Entity\Render;
+
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\views\Plugin\views\query\QueryPluginBase;
+use Drupal\views\ResultRow;
+
+/**
+ * Renders entity translations in their row language.
+ */
+class TranslationLanguageRenderer extends EntityTranslationRendererBase {
+
+  /**
+   * 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')) {
+      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);
+    }
+  }
+
+  /**
+   * {@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];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getLangcode(ResultRow $row) {
+    return isset($row->{$this->langcodeAlias}) ? $row->{$this->langcodeAlias} : $this->languageManager->getDefaultLanguage()->getId();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheContexts() {
+    return ['languages:' . LanguageInterface::TYPE_CONTENT];
+  }
+
+}