function ModerationStateWidget::formElement

Overrides OptionsSelectWidget::formElement

File

core/modules/content_moderation/src/Plugin/Field/FieldWidget/ModerationStateWidget.php, line 117

Class

ModerationStateWidget

Plugin implementation of the 'moderation_state_default' widget.

Namespace

Code

public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
  /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
  $entity = $original_entity = $items->getEntity();
  $default = $this->moderationInformation
    ->getOriginalState($entity);
  // If the entity already exists, grab the most recent revision and load it.
  // The moderation state of the saved revision will be used to display the
  // current state as well determine the appropriate transitions.
  if (!$entity->isNew()) {
    /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
    $storage = $this->entityTypeManager
      ->getStorage($entity->getEntityTypeId());
    /** @var \Drupal\Core\Entity\ContentEntityInterface $original_entity */
    $original_entity = $storage->loadRevision($entity->getLoadedRevisionId());
    if (!$entity->isDefaultTranslation() && $original_entity->hasTranslation($entity->language()
      ->getId())) {
      $original_entity = $original_entity->getTranslation($entity->language()
        ->getId());
    }
  }
  else {
    $original_entity->set('moderation_state', $default->id());
  }
  /** @var \Drupal\workflows\Transition[] $transitions */
  $transitions = $this->validator
    ->getValidTransitions($original_entity, $this->currentUser);
  $transition_labels = [];
  $default_value = $items->value;
  foreach ($transitions as $transition) {
    $transition_to_state = $transition->to();
    $transition_labels[$transition_to_state->id()] = $transition_to_state->label();
    if ($default->id() === $transition_to_state->id()) {
      $default_value = $default->id();
    }
  }
  $element += [
    '#type' => 'container',
    'current' => [
      '#type' => 'item',
      '#title' => $this->t('Current state'),
      '#markup' => $default->label(),
      '#access' => !$entity->isNew(),
      '#wrapper_attributes' => [
        'class' => [
          'container-inline',
        ],
      ],
    ],
    'state' => [
      '#type' => 'select',
      '#title' => $entity->isNew() ? $this->t('Save as') : $this->t('Change to'),
      '#key_column' => $this->column,
      '#options' => $transition_labels,
      '#default_value' => $default_value,
      '#access' => !empty($transition_labels),
      '#wrapper_attributes' => [
        'class' => [
          'container-inline',
        ],
      ],
    ],
  ];
  $element['#element_validate'][] = [
    static::class,
    'validateElement',
  ];
  return $element;
}