function SubmitDriven::buildForm
Same name in other branches
- 8.x-1.x ajax_example/src/Form/SubmitDriven.php \Drupal\ajax_example\Form\SubmitDriven::buildForm()
- 4.0.x modules/ajax_example/src/Form/SubmitDriven.php \Drupal\ajax_example\Form\SubmitDriven::buildForm()
Overrides FormInterface::buildForm
File
-
modules/
ajax_example/ src/ Form/ SubmitDriven.php, line 23
Class
- SubmitDriven
- Submit a form without a page reload.
Namespace
Drupal\ajax_example\FormCode
public function buildForm(array $form, FormStateInterface $form_state) {
// This container wil be replaced by AJAX.
$form['container'] = [
'#type' => 'container',
'#attributes' => [
'id' => 'box-container',
],
];
// The box contains some markup that we can change on a submit request.
$form['container']['box'] = [
'#type' => 'markup',
'#markup' => '<h1>Initial markup for box</h1>',
];
$form['submit'] = [
'#type' => 'submit',
// The AJAX handler will call our callback, and will replace whatever page
// element has id box-container.
'#ajax' => [
'callback' => '::promptCallback',
'wrapper' => 'box-container',
],
'#value' => $this->t('Submit'),
];
return $form;
}