public function Heading::buildConfigurationForm in Drupal 10

Form for choosing which heading tags are available.

File

core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/Heading.php, line 94

Class

Heading

CKEditor 5 Heading plugin.

Namespace

Drupal\ckeditor5\Plugin\CKEditor5Plugin

Code

public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
  $form['enabled_headings'] = [
    '#type' => 'fieldset',
    '#title' => $this
      ->t('Enabled Headings'),
    '#description' => $this
      ->t('These are the headings that will appear in the headings dropdown. If a heading is not chosen here, it does not necessarily mean the corresponding tag is disallowed in the text format.'),
  ];
  foreach ($this
    ->getPluginDefinition()
    ->getCKEditor5Config()['heading']['options'] as $heading_option) {
    $model = $heading_option['model'];
    if (in_array($model, self::ALWAYS_ENABLED_HEADINGS, TRUE)) {
      continue;
    }

    // It's safe to use $model as a key: listing the same model twice with
    // different properties triggers a schema error in CKEditor 5.
    // @see https://ckeditor.com/docs/ckeditor5/latest/framework/guides/support/error-codes.html#error-schema-cannot-register-item-twice
    // @see https://ckeditor.com/docs/ckeditor5/latest/features/headings.html#configuring-custom-heading-elements
    $form['enabled_headings'][$model] = self::generateCheckboxForHeadingOption($heading_option);
    $form['enabled_headings'][$model]['#default_value'] = in_array($model, $this->configuration['enabled_headings'], TRUE) ? $model : NULL;
  }
  return $form;
}