function FormTestClickedButtonForm::validateForm

Overrides FormBase::validateForm

File

core/modules/system/tests/modules/form_test/src/Form/FormTestClickedButtonForm.php, line 84

Class

FormTestClickedButtonForm

Form builder to test button click detection.

Namespace

Code

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