function Ckeditor5Hooks::filterFormatEditFormSubmit

Form submission handler for filter format forms.

Parameters

array $form: The form render array.

\Drupal\Core\Form\FormStateInterface $form_state: The form state object.

File

core/modules/ckeditor5/src/Hook/Ckeditor5Hooks.php, line 487

Class

Ckeditor5Hooks

Hook implementations for ckeditor5.

Namespace

Code

public function filterFormatEditFormSubmit(array $form, FormStateInterface $form_state) : void {
  $limit_allowed_html_tags = isset($form['filters']['settings']['filter_html']['allowed_html']);
  $manually_editable_tags = $form_state->getValue([
    'editor',
    'settings',
    'plugins',
    'ckeditor5_sourceEditing',
    'allowed_tags',
  ]);
  $styles = $form_state->getValue([
    'editor',
    'settings',
    'plugins',
    'ckeditor5_style',
    'styles',
  ]);
  if ($limit_allowed_html_tags && is_array($manually_editable_tags) || is_array($styles)) {
    // When "Manually editable tags", "Style" and "limit allowed HTML tags"
    // are all configured, the latter is dependent on the others. This
    // dependent value is typically updated via AJAX, but it's possible for
    // "Manually editable tags" to update without triggering the AJAX rebuild.
    // That value is recalculated here on save to ensure it happens even if
    // the AJAX rebuild doesn't happen.
    $manually_editable_tags_restrictions = HTMLRestrictions::fromString(implode($manually_editable_tags ?? []));
    $styles_restrictions = HTMLRestrictions::fromString(implode($styles ? array_column($styles, 'element') : []));
    $format = $form_state->get('ckeditor5_validated_pair')
      ->getFilterFormat();
    $allowed_html = HTMLRestrictions::fromTextFormat($format);
    $combined_tags_string = $allowed_html->merge($manually_editable_tags_restrictions)
      ->merge($styles_restrictions)
      ->toFilterHtmlAllowedTagsString();
    $form_state->setValue([
      'filters',
      'filter_html',
      'settings',
      'allowed_html',
    ], $combined_tags_string);
  }
}