3 namespace Drupal\ajax_forms_test\Form;
5 use Drupal\Core\Form\FormBase;
6 use Drupal\Core\Form\FormStateInterface;
9 * Form builder: Builds a form that triggers a simple AJAX callback.
13 class AjaxFormsTestValidationForm extends FormBase {
18 public function getFormId() {
19 return 'ajax_forms_test_validation_form';
25 public function buildForm(array $form, FormStateInterface $form_state) {
26 $form['drivertext'] = [
27 '#title' => $this->t('AJAX-enabled textfield.'),
28 '#description' => $this->t("When this one AJAX-triggers and the spare required field is empty, you should not get an error."),
29 '#type' => 'textfield',
30 '#default_value' => $form_state->getValue('drivertext', ''),
32 'callback' => 'ajax_forms_test_validation_form_callback',
33 'wrapper' => 'message_area',
34 'method' => 'replace',
36 '#suffix' => '<div id="message_area"></div>',
39 $form['drivernumber'] = [
40 '#title' => $this->t('AJAX-enabled number field.'),
41 '#description' => $this->t("When this one AJAX-triggers and the spare required field is empty, you should not get an error."),
43 '#default_value' => $form_state->getValue('drivernumber', ''),
45 'callback' => 'ajax_forms_test_validation_number_form_callback',
46 'wrapper' => 'message_area_number',
47 'method' => 'replace',
49 '#suffix' => '<div id="message_area_number"></div>',
52 $form['spare_required_field'] = [
53 '#title' => $this->t("Spare Required Field"),
54 '#type' => 'textfield',
60 '#value' => $this->t('Submit'),
69 public function submitForm(array &$form, FormStateInterface $form_state) {
70 $this->messenger()->addStatus($this->t("Validation form submitted"));