function webform_bootstrap_preprocess_fieldset in Webform 6.x

Same name and namespace in other branches

1. 8.5 modules/webform_bootstrap/webform_bootstrap.module \webform_bootstrap_preprocess_fieldset()

Implements template_preprocess_fieldset().

File

modules/webform_bootstrap/webform_bootstrap.module, line 163

Helps support Webform to Bootstrap integration.

Code

function webform_bootstrap_preprocess_fieldset(&$variables) {
  if (!_webform_bootstrap_is_active_theme()) {
    return;
  }

  // Make sure that the core/modules/system/templates/fieldset.html.twig
  // template is being used because this the template that we are fixing.
  // Caching the info just-in-case there are a lot of fieldsets.
  static $is_system_fieldset;
  if (!isset($is_system_fieldset)) {

    /** @var \Drupal\Core\Utility\ThemeRegistry $theme_registry */
    $theme_registry = \Drupal::service('theme.registry')
      ->getRuntime();
    $info = $theme_registry
      ->get('fieldset');
    $is_system_fieldset = $info['path'] === 'core/modules/system/templates' ? TRUE : FALSE;
  }
  if (!$is_system_fieldset) {
    return;
  }

  // Style fieldset error messages to match form element error messages.
  // @see form-element.html.twig
  if (!empty($variables['errors'])) {
    $variables['errors'] = [
      '#type' => 'container',
      '#attributes' => [
        'class' => [
          'form-item--error-message',
          'alert',
          'alert-danger',
          'alert-sm',
        ],
      ],
      'content' => [
        '#markup' => $variables['errors'],
      ],
    ];
  }
}