ModerationStateWidget.php in Thunder 8.5

Namespace

Drupal\thunder_workflow\Plugin\Field\FieldWidget

File

modules/thunder_workflow/src/Plugin/Field/FieldWidget/ModerationStateWidget.php

<?php

namespace Drupal\thunder_workflow\Plugin\Field\FieldWidget;

use Drupal\content_moderation\Plugin\Field\FieldWidget\ModerationStateWidget as CoreModerationStateWidget;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Plugin implementation of the 'thunder_moderation_state_default' widget.
 *
 * Thunder provides it's own moderation_state widget that only shows a list of
 * possible states to switch in. To display the current state is not part of
 * this widget. Thunder shows that in ThunderNodeForm.
 *
 * @FieldWidget(
 *   id = "thunder_moderation_state_default",
 *   label = @Translation("Moderation state (Thunder)"),
 *   field_types = {
 *     "string"
 *   }
 * )
 */
class ModerationStateWidget extends CoreModerationStateWidget {

  /**
   * {@inheritdoc}
   */
  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 the appropriate transitions.
    if (!$entity
      ->isNew()) {

      /** @var \Drupal\Core\Entity\ContentEntityInterface $original_entity */
      $original_entity = $this->entityTypeManager
        ->getStorage($entity
        ->getEntityTypeId())
        ->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' => 'select',
      '#key_column' => $this->column,
      '#options' => $transition_labels,
      '#default_value' => $default_value,
      '#access' => !empty($transition_labels),
      '#wrapper_attributes' => [
        'class' => [
          'container-inline',
        ],
      ],
    ];
    $element['#element_validate'][] = [
      get_class($this),
      'validateElement',
    ];
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public static function validateElement(array $element, FormStateInterface $form_state) {
    $form_state
      ->setValueForElement($element, [
      $element['#key_column'] => $element['#value'],
    ]);
  }

}

Classes

Name	Description
ModerationStateWidget	Plugin implementation of the 'thunder_moderation_state_default' widget.