public function FormWidgetExampleForm::submitForm in Typed Data API enhancements 8

Form submission 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 FormInterface::submitForm

File

tests/modules/typed_data_widget_test/src/FormWidgetExampleForm.php, line 162

Class

FormWidgetExampleForm

Class FormWidgetExampleForm.

Namespace

Drupal\typed_data_widget_test

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
  $context_definition = $form_state
    ->get('context_definition');
  $widget_id = $form_state
    ->get('widget_id');
  $widget = $this
    ->getFormWidgetManager()
    ->createInstance($widget_id);
  if (($triggering_element = $form_state
    ->getTriggeringElement()) && $triggering_element['#id'] == 'edit-reset') {

    // Erase the widget data.
    $this->state
      ->set('typed_data_widgets.' . $widget_id, NULL);
    $this
      ->messenger()
      ->addMessage($this
      ->t('Value reset to default'));
  }
  else {
    $subform_state = SubformState::createWithParents([
      'data',
    ], $form, $form_state);
    $data = $this
      ->getTypedDataManager()
      ->create($context_definition
      ->getDataDefinition());
    $widget
      ->extractFormValues($data, $subform_state);

    // Read and write widget configuration via the state.
    $this->state
      ->set('typed_data_widgets.' . $widget_id, $data
      ->getValue());

    // Display the value saved. Use print_r in case the value is an array.
    $this
      ->messenger()
      ->addMessage($this
      ->t('Value saved: %value', [
      '%value' => print_r($data
        ->getValue(), TRUE),
    ]));
  }
}