function OEmbedFormatter::settingsForm

Overrides FormatterBase::settingsForm

File

core/modules/media/src/Plugin/Field/FieldFormatter/OEmbedFormatter.php, line 262

Class

OEmbedFormatter

Plugin implementation of the 'oembed' formatter.

Namespace

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $form = parent::settingsForm($form, $form_state) + [
    'max_width' => [
      '#type' => 'number',
      '#title' => $this->t('Maximum width'),
      '#default_value' => $this->getSetting('max_width'),
      '#size' => 5,
      '#maxlength' => 5,
      '#field_suffix' => $this->t('pixels'),
      '#min' => 0,
    ],
    'max_height' => [
      '#type' => 'number',
      '#title' => $this->t('Maximum height'),
      '#default_value' => $this->getSetting('max_height'),
      '#size' => 5,
      '#maxlength' => 5,
      '#field_suffix' => $this->t('pixels'),
      '#min' => 0,
    ],
    'loading' => [
      '#type' => 'details',
      '#title' => $this->t('oEmbed loading'),
      '#description' => $this->t('Lazy render oEmbed with native loading attribute (<em>loading="lazy"</em>). This improves performance by allowing browsers to lazily load assets.'),
      'attribute' => [
        '#title' => $this->t('oEmbed loading attribute'),
        '#type' => 'radios',
        '#default_value' => $this->getSetting('loading')['attribute'],
        '#options' => [
          'lazy' => $this->t('Lazy (<em>loading="lazy"</em>)'),
          'eager' => $this->t('Eager (<em>loading="eager"</em>)'),
        ],
        '#description' => $this->t('Select the loading attribute for oEmbed. <a href=":link">Learn more about the loading attribute for oEmbed.</a>', [
          ':link' => 'https://html.spec.whatwg.org/multipage/urls-and-fetching.html#lazy-loading-attributes',
        ]),
      ],
    ],
  ];
  $form['loading']['attribute']['lazy']['#description'] = $this->t('Delays loading the resource until that section of the page is visible in the browser. When in doubt, lazy loading is recommended.');
  $form['loading']['attribute']['eager']['#description'] = $this->t('Force browsers to download a resource as soon as possible. This is the browser default for legacy reasons. Only use this option when the resource is always expected to render.');
  return $form;
}