Version 1

[yaffs-website] / web / modules / contrib / inline_entity_form / src / TranslationHelper.php

diff --git a/web/modules/contrib/inline_entity_form/src/TranslationHelper.php b/web/modules/contrib/inline_entity_form/src/TranslationHelper.php
new file mode 100644 (file)
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+++ b/web/modules/contrib/inline_entity_form/src/TranslationHelper.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace Drupal\inline_entity_form;
+
+use Drupal\Core\Entity\ContentEntityInterface;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Provides content translation helpers.
+ */
+class TranslationHelper {
+
+  /**
+   * Prepares the inline entity for translation.
+   *
+   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
+   *   The inline entity.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The form state.
+   *
+   * @return \Drupal\Core\Entity\ContentEntityInterface
+   *   The prepared entity.
+   *
+   * @see \Drupal\Core\Entity\ContentEntityForm::initFormLangcodes().
+   */
+  public static function prepareEntity(ContentEntityInterface $entity, FormStateInterface $form_state) {
+    $form_langcode = $form_state->get('langcode');
+    if (empty($form_langcode) || !$entity->isTranslatable()) {
+      return $entity;
+    }
+
+    $entity_langcode = $entity->language()->getId();
+    if (self::isTranslating($form_state) && !$entity->hasTranslation($form_langcode)) {
+      // Create a translation from the source language values.
+      $source = $form_state->get(['content_translation', 'source']);
+      $source_langcode = $source ? $source->getId() : $entity_langcode;
+      $source_translation = $entity->getTranslation($source_langcode);
+      $entity->addTranslation($form_langcode, $source_translation->toArray());
+      $translation = $entity->getTranslation($form_langcode);
+      $translation->set('content_translation_source', $source_langcode);
+      // Make sure we do not inherit the affected status from the source values.
+      if ($entity->getEntityType()->isRevisionable()) {
+        $translation->setRevisionTranslationAffected(NULL);
+      }
+    }
+
+    if ($entity_langcode != $form_langcode && $entity->hasTranslation($form_langcode)) {
+      // Switch to the needed translation.
+      $entity = $entity->getTranslation($form_langcode);
+    }
+
+    return $entity;
+  }
+
+  /**
+   * Updates the entity langcode to match the form langcode.
+   *
+   * Called on submit to allow the user to select a different language through
+   * the langcode form element, which is then transferred to form state.
+   *
+   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
+   *   The entity.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   *
+   * @return bool
+   *   TRUE if the entity langcode was updated, FALSE otherwise.
+   */
+  public static function updateEntityLangcode(ContentEntityInterface $entity, $form_state) {
+    $changed = FALSE;
+    // This method is first called during form validation, at which point
+    // the 'langcode' form state flag hasn't been updated with the new value.
+    $form_langcode = $form_state->getValue(['langcode', 0, 'value'], $form_state->get('langcode'));
+    if (empty($form_langcode) || !$entity->isTranslatable()) {
+      return $changed;
+    }
+
+    $entity_langcode = $entity->language()->getId();
+    if ($entity_langcode != $form_langcode && !$entity->hasTranslation($form_langcode)) {
+      $langcode_key = $entity->getEntityType()->getKey('langcode');
+      $entity->set($langcode_key, $form_langcode);
+      $changed = TRUE;
+    }
+
+    return $changed;
+  }
+
+  /**
+   * Determines whether there's a translation in progress.
+   *
+   * If the root entity is being translated, then all of the inline entities
+   * are candidates for translating as well.
+   *
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The form state.
+   *
+   * @return bool
+   *   TRUE if translating is in progress, FALSE otherwise.
+   *
+   * @see \Drupal\Core\Entity\ContentEntityForm::initFormLangcodes().
+   */
+  public static function isTranslating(FormStateInterface $form_state) {
+    $form_langcode = $form_state->get('langcode');
+    $default_langcode = $form_state->get('entity_default_langcode');
+    if (empty($form_langcode) && empty($default_langcode)) {
+      // The top-level form is not a content entity form.
+      return FALSE;
+    }
+    else {
+      return $form_langcode != $default_langcode;
+    }
+  }
+
+}