function template_preprocess_fieldset in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/includes/form.inc \template_preprocess_fieldset()

Prepares variables for fieldset element templates.

Default template: fieldset.html.twig.

Parameters

array $variables: An associative array containing:

• element: An associative array containing the properties of the element. Properties used: #attributes, #children, #description, #id, #title, #value.

File

core/includes/form.inc, line 191

Functions for form and batch generation and processing.

Code

function template_preprocess_fieldset(&$variables) {
  $element = $variables['element'];
  Element::setAttributes($element, array(
    'id',
  ));
  Element\RenderElement::setAttributes($element);
  $variables['attributes'] = $element['#attributes'];
  $variables['prefix'] = isset($element['#field_prefix']) ? $element['#field_prefix'] : NULL;
  $variables['suffix'] = isset($element['#field_suffix']) ? $element['#field_suffix'] : NULL;
  $variables['title_display'] = isset($element['#title_display']) ? $element['#title_display'] : NULL;
  $variables['children'] = $element['#children'];
  $variables['required'] = !empty($element['#required']) ? $element['#required'] : NULL;
  if (isset($element['#title']) && $element['#title'] !== '') {
    $variables['legend']['title'] = [
      '#markup' => $element['#title'],
    ];
  }
  $variables['legend']['attributes'] = new Attribute();
  $variables['legend_span']['attributes'] = new Attribute();
  if (!empty($element['#description'])) {
    $description_id = $element['#attributes']['id'] . '--description';
    $description_attributes['id'] = $description_id;
    $variables['description']['attributes'] = new Attribute($description_attributes);
    $variables['description']['content'] = $element['#description'];

    // Add the description's id to the fieldset aria attributes.
    $variables['attributes']['aria-describedby'] = $description_id;
  }

  // Suppress error messages.
  $variables['errors'] = NULL;
}