IframeOnlyFormatter.php in Iframe 8

Namespace

Drupal\iframe\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/IframeOnlyFormatter.php

<?php

namespace Drupal\iframe\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Render\Markup;

/**
 * Class IframeOnlyFormatter.
 *
 * @FieldFormatter(
 *  id = "iframe_only",
 *  label = @Translation("Iframe without title"),
 *  field_types = {"iframe"}
 * )
 */
class IframeOnlyFormatter extends IframeDefaultFormatter {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    foreach ($items as $delta => $item) {
      if (empty($item->url)) {
        continue;
      }
      if (!(property_exists($item, 'title') && $item->title !== null)) {
        $item->title = '';
      }
      $elements[$delta] = [
        '#markup' => Markup::create(IframeDefaultFormatter::iframeIframe('', $item->url, $item)),
        '#allowed_tags' => [
          'iframe',
          'a',
          'h3',
          'style',
        ],
      ];

      // Tokens can be dynamic, so its not cacheable.
      if (isset($settings['tokensupport']) && $settings['tokensupport']) {
        $elements[$delta]['cache'] = [
          'max-age' => 0,
        ];
      }
    }
    return $elements;
  }

}

Classes

Name	Description
IframeOnlyFormatter	Class IframeOnlyFormatter.