public function FormTestClickedButtonForm::validateForm in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/tests/modules/form_test/src/Form/FormTestClickedButtonForm.php \Drupal\form_test\Form\FormTestClickedButtonForm::validateForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

core/modules/system/tests/modules/form_test/src/Form/FormTestClickedButtonForm.php, line 87

Contains \Drupal\form_test\Form\FormTestClickedButtonForm.

Class

FormTestClickedButtonForm

Form builder to test button click detection.

Namespace

Drupal\form_test\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  if ($triggering_element = $form_state
    ->getTriggeringElement()) {
    drupal_set_message(t('The clicked button is %name.', [
      '%name' => $triggering_element['#name'],
    ]));
  }
  else {
    drupal_set_message('There is no clicked button.');
  }
}