function PreprocessHooks::fieldMultipleValueForm

Implements hook_preprocess_HOOK() for field_multiple_value_form.

Attributes

File

core/themes/admin/src/Hook/PreprocessHooks.php, line 363

Class

PreprocessHooks

Provides preprocess implementations.

Namespace

Code

public function fieldMultipleValueForm(array &$variables) : void {
  // Make disabled available for the template.
  $variables['disabled'] = !empty($variables['element']['#disabled']);
  if ($variables['multiple']) {
    // Add an additional CSS class to the field label table cell. The table
    // header cell should always exist unless removed by contrib.
    // @see \Drupal\Core\Field\FieldPreprocess::preprocessFieldMultipleValueForm().
    if (isset($variables['table']['#header'][0]['data']['#attributes'])) {
      $variables['table']['#header'][0]['data']['#attributes']->removeClass('label');
      $variables['table']['#header'][0]['data']['#attributes']->addClass('form-item__label', 'form-item__label--multiple-value-form');
    }
    if ($variables['disabled']) {
      $variables['table']['#attributes']['class'][] = 'tabledrag-disabled';
      $variables['table']['#attributes']['class'][] = 'js-tabledrag-disabled';
      // We will add the 'is-disabled' CSS class to the disabled table header
      // cells.
      $header_attributes['class'][] = 'is-disabled';
      foreach ($variables['table']['#header'] as &$cell) {
        if (is_array($cell) && isset($cell['data'])) {
          $cell += [
            'class' => [],
          ];
          $cell['class'][] = 'is-disabled';
        }
        else {
          // We have to modify the structure of this header cell.
          $cell = [
            'data' => $cell,
            'class' => [
              'is-disabled',
            ],
          ];
        }
      }
    }
  }
}