public function Select2::exposedFormAlter in Select 2 8

File

src/Plugin/better_exposed_filters/filter/Select2.php, line 21

Class

Select2

Select2 widget implementation.

Namespace

Drupal\select2\Plugin\better_exposed_filters\filter

Code

public function exposedFormAlter(array &$form, FormStateInterface $form_state) {
  $field_id = $this
    ->getExposedFilterFieldId();
  parent::exposedFormAlter($form, $form_state);
  if (!empty($form[$field_id])) {
    $filter = $this->handler;
    $form[$field_id]['#type'] = 'select2';
    $form[$field_id]['#autocomplete'] = !empty($filter->options['type']) && $filter->options['type'] === 'textfield';
    $form[$field_id]['#multiple'] = !empty($filter->options['expose']['multiple']) && $filter->options['expose']['multiple'];
    $form[$field_id]['#select2'] = [
      'width' => '100%',
      'allowClear' => FALSE,
    ];
  }
}