www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/node/src/Form/NodeRevisionRevertTranslationForm.php

   1 <?php
   2
   3 namespace Drupal\node\Form;
   4
   5 use Drupal\Component\Datetime\TimeInterface;
   6 use Drupal\Core\Datetime\DateFormatterInterface;
   7 use Drupal\Core\Entity\EntityStorageInterface;
   8 use Drupal\Core\Form\FormStateInterface;
   9 use Drupal\Core\Language\LanguageManagerInterface;
  10 use Drupal\node\NodeInterface;
  11 use Symfony\Component\DependencyInjection\ContainerInterface;
  12
  13 /**
  14  * Provides a form for reverting a node revision for a single translation.
  15  */
  16 class NodeRevisionRevertTranslationForm extends NodeRevisionRevertForm {
  17
  18   /**
  19    * The language to be reverted.
  20    *
  21    * @var string
  22    */
  23   protected $langcode;
  24
  25   /**
  26    * The language manager.
  27    *
  28    * @var \Drupal\Core\Language\LanguageManagerInterface
  29    */
  30   protected $languageManager;
  31
  32   /**
  33    * Constructs a new NodeRevisionRevertTranslationForm.
  34    *
  35    * @param \Drupal\Core\Entity\EntityStorageInterface $node_storage
  36    *   The node storage.
  37    * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
  38    *   The date formatter service.
  39    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
  40    *   The language manager.
  41    * @param \Drupal\Component\Datetime\TimeInterface $time
  42    *   The time service.
  43    */
  44   public function __construct(EntityStorageInterface $node_storage, DateFormatterInterface $date_formatter, LanguageManagerInterface $language_manager, TimeInterface $time) {
  45     parent::__construct($node_storage, $date_formatter, $time);
  46     $this->languageManager = $language_manager;
  47   }
  48
  49   /**
  50    * {@inheritdoc}
  51    */
  52   public static function create(ContainerInterface $container) {
  53     return new static(
  54       $container->get('entity.manager')->getStorage('node'),
  55       $container->get('date.formatter'),
  56       $container->get('language_manager'),
  57       $container->get('datetime.time')
  58     );
  59   }
  60
  61   /**
  62    * {@inheritdoc}
  63    */
  64   public function getFormId() {
  65     return 'node_revision_revert_translation_confirm';
  66   }
  67
  68   /**
  69    * {@inheritdoc}
  70    */
  71   public function getQuestion() {
  72     return t('Are you sure you want to revert @language translation to the revision from %revision-date?', ['@language' => $this->languageManager->getLanguageName($this->langcode), '%revision-date' => $this->dateFormatter->format($this->revision->getRevisionCreationTime())]);
  73   }
  74
  75   /**
  76    * {@inheritdoc}
  77    */
  78   public function getDescription() {
  79     return '';
  80   }
  81
  82   /**
  83    * {@inheritdoc}
  84    */
  85   public function buildForm(array $form, FormStateInterface $form_state, $node_revision = NULL, $langcode = NULL) {
  86     $this->langcode = $langcode;
  87     $form = parent::buildForm($form, $form_state, $node_revision);
  88
  89     $form['revert_untranslated_fields'] = [
  90       '#type' => 'checkbox',
  91       '#title' => $this->t('Revert content shared among translations'),
  92       '#default_value' => FALSE,
  93     ];
  94
  95     return $form;
  96   }
  97
  98   /**
  99    * {@inheritdoc}
 100    */
 101   protected function prepareRevertedRevision(NodeInterface $revision, FormStateInterface $form_state) {
 102     $revert_untranslated_fields = $form_state->getValue('revert_untranslated_fields');
 103
 104     /** @var \Drupal\node\NodeInterface $default_revision */
 105     $latest_revision = $this->nodeStorage->load($revision->id());
 106     $latest_revision_translation = $latest_revision->getTranslation($this->langcode);
 107
 108     $revision_translation = $revision->getTranslation($this->langcode);
 109
 110     foreach ($latest_revision_translation->getFieldDefinitions() as $field_name => $definition) {
 111       if ($definition->isTranslatable() || $revert_untranslated_fields) {
 112         $latest_revision_translation->set($field_name, $revision_translation->get($field_name)->getValue());
 113       }
 114     }
 115
 116     $latest_revision_translation->setNewRevision();
 117     $latest_revision_translation->isDefaultRevision(TRUE);
 118
 119     return $latest_revision_translation;
 120   }
 121
 122 }