FacebookEmbedFormatter.php in Media entity facebook 3.x

Namespace

Drupal\media_entity_facebook\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/FacebookEmbedFormatter.php

<?php

namespace Drupal\media_entity_facebook\Plugin\Field\FieldFormatter;

use Drupal\Core\Cache\Cache;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FormatterBase;
use Drupal\media_entity_facebook\FacebookMarkup;
use Drupal\media_entity_facebook\Plugin\media\Source\Facebook;

/**
 * Plugin implementation of the 'facebook_embed' formatter.
 *
 * @FieldFormatter(
 *   id = "facebook_embed",
 *   label = @Translation("Facebook embed"),
 *   field_types = {
 *     "link", "string", "string_long"
 *   }
 * )
 */
class FacebookEmbedFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {

    /** @var \Drupal\media\MediaInterface $media */
    $media = $items
      ->getEntity();
    $element = [];
    if (($source = $media
      ->getSource()) && $source instanceof Facebook) {
      foreach ($items as $delta => $item) {
        $element[$delta] = [
          '#markup' => FacebookMarkup::create($source
            ->getMetadata($media, 'html')),
          '#cache' => [
            'contexts' => Cache::mergeContexts([
              'languages',
            ], $media
              ->getCacheContexts()),
            'tags' => $media
              ->getCacheTags(),
            'max-age' => $media
              ->getCacheMaxAge(),
          ],
        ];
      }
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {
    return $field_definition
      ->getTargetEntityTypeId() === 'media';
  }

}

Classes

Name	Description
FacebookEmbedFormatter	Plugin implementation of the 'facebook_embed' formatter.