class OliveroPreRender in Drupal 9

Implements trusted prerender callbacks for the Olivero theme.

@internal

Hierarchy

• class \Drupal\olivero\OliveroPreRender implements TrustedCallbackInterface

1 file declares its use of OliveroPreRender

olivero.theme in core/themes/olivero/olivero.theme

Functions to support theming in the Olivero theme.

File

core/themes/olivero/src/OliveroPreRender.php, line 12

Namespace

Drupal\olivero

class OliveroPreRender implements TrustedCallbackInterface {

  /**
   * Prerender callback for text_format elements.
   */
  public static function textFormat($element) {
    $element['format']['#attributes']['class'][] = 'filter-wrapper';
    $element['format']['format']['#wrapper_attributes']['class'][] = 'form-item--editor-format';
    $element['format']['format']['#attributes']['class'][] = 'filter-list';
    $element['format']['format']['#attributes']['class'][] = 'form-element--small';
    $element['format']['format']['#attributes']['class'][] = 'form-element--editor-format';
    $element['format']['guidelines']['#attributes']['class'][] = 'filter-guidelines';
    $element['format']['help']['#attributes']['class'][] = 'filter-help';
    return $element;
  }

  /**
   * Prerender callback for status_messages placeholder.
   *
   * @param array $element
   *   A renderable array.
   *
   * @return array
   *   The updated renderable array containing the placeholder.
   */
  public static function messagePlaceholder(array $element) {
    if (isset($element['fallback']['#markup'])) {
      $element['fallback']['#markup'] = '<div data-drupal-messages-fallback class="hidden messages-list"></div>';
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public static function trustedCallbacks() {
    return [
      'textFormat',
      'messagePlaceholder',
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
OliveroPreRender::messagePlaceholder	public static	function	Prerender callback for status_messages placeholder.
OliveroPreRender::textFormat	public static	function	Prerender callback for text_format elements.
OliveroPreRender::trustedCallbacks	public static	function	Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks
TrustedCallbackInterface::THROW_EXCEPTION		constant	Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION		constant	Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING		constant	Untrusted callbacks trigger E_USER_WARNING errors.