3 namespace Drupal\form_test\Form;
5 use Drupal\Core\Form\FormBase;
6 use Drupal\Core\Form\FormStateInterface;
7 use Symfony\Component\HttpFoundation\JsonResponse;
10 * Builds a form to test #type 'select' validation.
14 class FormTestSelectForm extends FormBase {
19 public function getFormId() {
20 return 'form_test_select';
26 public function buildForm(array $form, FormStateInterface $form_state) {
29 '#options' => ['one' => 'one', 'two' => 'two', 'three' => 'three', 'four' => '<strong>four</strong>'],
32 $form['select'] = $base + [
33 '#title' => '#default_value one',
34 '#default_value' => 'one',
36 $form['select_required'] = $base + [
37 '#title' => '#default_value one, #required',
39 '#default_value' => 'one',
41 $form['select_optional'] = $base + [
42 '#title' => '#default_value one, not #required',
44 '#default_value' => 'one',
46 $form['empty_value'] = $base + [
47 '#title' => '#default_value one, #required, #empty_value 0',
49 '#default_value' => 'one',
52 $form['empty_value_one'] = $base + [
53 '#title' => '#default_value = #empty_value, #required',
55 '#default_value' => 'one',
56 '#empty_value' => 'one',
59 $form['no_default'] = $base + [
60 '#title' => 'No #default_value, #required',
63 $form['no_default_optional'] = $base + [
64 '#title' => 'No #default_value, not #required',
66 '#description' => 'Should result in "one" because it is not required and there is no #empty_value requested, so default browser behavior of preselecting first option is in effect.',
68 $form['no_default_optional_empty_value'] = $base + [
69 '#title' => 'No #default_value, not #required, #empty_value empty string',
72 '#description' => 'Should result in an empty string (due to #empty_value) because it is optional.',
75 $form['no_default_empty_option'] = $base + [
76 '#title' => 'No #default_value, #required, #empty_option',
78 '#empty_option' => '- Choose -',
80 $form['no_default_empty_option_optional'] = $base + [
81 '#title' => 'No #default_value, not #required, #empty_option',
82 '#empty_option' => '- Dismiss -',
83 '#description' => 'Should result in an empty string (default of #empty_value) because it is optional.',
86 $form['no_default_empty_value'] = $base + [
87 '#title' => 'No #default_value, #required, #empty_value 0',
90 '#description' => 'Should never result in 0.',
92 $form['no_default_empty_value_one'] = $base + [
93 '#title' => 'No #default_value, #required, #empty_value one',
95 '#empty_value' => 'one',
96 '#description' => 'A mistakenly assigned #empty_value contained in #options should not be valid.',
98 $form['no_default_empty_value_optional'] = $base + [
99 '#title' => 'No #default_value, not #required, #empty_value 0',
100 '#required' => FALSE,
102 '#description' => 'Should result in 0 because it is optional.',
105 $form['multiple'] = $base + [
106 '#title' => '#multiple, #default_value two',
107 '#default_value' => ['two'],
110 $form['multiple_no_default'] = $base + [
111 '#title' => '#multiple, no #default_value',
114 $form['multiple_no_default_required'] = $base + [
115 '#title' => '#multiple, #required, no #default_value',
120 $form['opt_groups'] = [
123 'optgroup_one' => ['one' => 'one', 'two' => 'two', 'three' => 'three', 'four' => '<strong>four</strong>'],
124 'optgroup_two' => ['five' => 'five', 'six' => 'six'],
128 $form['submit'] = ['#type' => 'submit', '#value' => 'Submit'];
135 public function submitForm(array &$form, FormStateInterface $form_state) {
136 $form_state->setResponse(new JsonResponse($form_state->getValues()));