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<?php
namespace Drupal\form_options_attributes_test\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
class FormOptionsAttributesOptGroupTestForm extends FormBase {
public function getFormId() {
return 'form_options_attributes_module_optgroup_test_form';
}
public function buildForm(array $form, FormStateInterface $form_state) {
$form['states'] = [
'#type' => 'select',
'#title' => $this
->t('States and Provinces'),
'#options' => [
$this
->t('United States')
->render() => [
'AL' => $this
->t('Alabama'),
'AK' => $this
->t('Alaska'),
'AZ' => $this
->t('Arizona'),
'AR' => $this
->t('Arkansas'),
'WI' => $this
->t('Wisconsin'),
'WY' => t('Wyoming'),
],
$this
->t('Canada')
->render() => [
'AB' => $this
->t('Alberta'),
'BC' => $this
->t('British Columbia'),
'NU' => $this
->t('Nunavut'),
'YT' => $this
->t('Yukon'),
],
],
'#options_attributes' => [
$this
->t('United States')
->render() => [
'AL' => [
'class' => [
'southeast',
],
'data-bbq-meat' => 'pork',
],
'AK' => [
'class' => [
'non-contiguous',
],
'data-bbq-meat' => 'salmon',
],
'AZ' => [
'class' => [
'southwest',
],
'data-bbq-meat' => 'rattlesnake',
],
'AR' => [
'class' => [
'south',
],
'data-bbq-meat' => 'beef',
],
'WI' => [
'class' => [
'midwest',
],
'data-bbq-meat' => 'cheese',
],
'WY' => [
'class' => [
'flyover',
],
'data-bbq-meat' => 'bison',
],
],
$this
->t('Canada')
->render() => [
'AB' => [
'class' => [
'rocky',
],
'data-bbq-meat' => 'beaver',
],
'BC' => [
'class' => [
'coastal',
],
'data-bbq-meat' => 'otter',
],
'NU' => [
'class' => [
'arctic',
],
'data-bbq-meat' => 'walrus',
],
'YT' => [
'class' => [
'goldy',
],
'data-bbq-meat' => 'moose',
],
],
],
'#attributes' => array(
'class' => array(
'states-bbq-selector',
),
),
];
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
}
}
