4 * Contains \Drupal\bootstrap\Plugin\Form\SearchForm.
7 namespace Drupal\bootstrap\Plugin\Form;
9 use Drupal\bootstrap\Annotation\BootstrapForm;
10 use Drupal\bootstrap\Utility\Element;
11 use Drupal\Core\Form\FormStateInterface;
14 * Implements hook_form_FORM_ID_alter().
16 * @ingroup plugins_form
18 * @BootstrapForm("search_form")
20 class SearchForm extends FormBase {
25 public function alterFormElement(Element $form, FormStateInterface $form_state, $form_id = NULL) {
26 $form->advanced->setProperty('collapsible', TRUE);
27 $form->advanced->setProperty('collapsed', TRUE);
28 $form->basic->removeClass('container-inline');
29 $form->basic->submit->setProperty('icon_only', TRUE);
30 $form->basic->keys->setProperty('input_group_button', TRUE);