function seven_form_alter in Drupal 10

Same name and namespace in other branches

1. 8 core/themes/seven/seven.theme \seven_form_alter()
2. 9 core/themes/seven/seven.theme \seven_form_alter()

Implements hook_form_alter().

File

core/themes/seven/seven.theme, line 209

Functions to support theming in the Seven theme.

Code

function seven_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
  $form_object = $form_state
    ->getFormObject();
  if ($form_object instanceof ViewsForm && strpos($form_object
    ->getBaseFormId(), 'views_form_media_library') === 0) {
    if (isset($form['header'])) {
      $form['header']['#attributes']['class'][] = 'media-library-views-form__header';
      $form['header']['media_bulk_form']['#attributes']['class'][] = 'media-library-views-form__bulk_form';
    }
    $form['actions']['submit']['#attributes']['class'] = [
      'media-library-select',
    ];

    // This conditional exists because the media-library-views-form class is
    // currently added by Classy, but Seven will eventually not use Classy as a
    // base theme.
    // @todo remove conditional, keep class addition in
    //   https://drupal.org/node/3110137
    // @see https://www.drupal.org/node/3109287
    // @see classy_form_alter()
    if (!isset($form['#attributes']['class']) || !in_array('media-library-views-form', $form['#attributes']['class'])) {
      $form['#attributes']['class'][] = 'media-library-views-form';
    }
  }

  // Add after build to add a CSS class to the form actions.
  if ($form_id === 'views_exposed_form' && strpos($form['#id'], 'views-exposed-form-media-library-widget') === 0) {
    $form['actions']['#attributes']['class'][] = 'media-library-view--form-actions';
  }
}