3 namespace Drupal\Core\Form;
5 use Drupal\Core\Config\ConfigFactoryInterface;
6 use Symfony\Component\DependencyInjection\ContainerInterface;
9 * Base class for implementing system configuration forms.
11 abstract class ConfigFormBase extends FormBase {
12 use ConfigFormBaseTrait;
15 * Constructs a \Drupal\system\ConfigFormBase object.
17 * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
18 * The factory for configuration objects.
20 public function __construct(ConfigFactoryInterface $config_factory) {
21 $this->setConfigFactory($config_factory);
27 public static function create(ContainerInterface $container) {
29 $container->get('config.factory')
36 public function buildForm(array $form, FormStateInterface $form_state) {
37 $form['actions']['#type'] = 'actions';
38 $form['actions']['submit'] = [
40 '#value' => $this->t('Save configuration'),
41 '#button_type' => 'primary',
44 // By default, render the form using system-config-form.html.twig.
45 $form['#theme'] = 'system_config_form';
53 public function submitForm(array &$form, FormStateInterface $form_state) {
54 $this->messenger()->addStatus($this->t('The configuration options have been saved.'));