public function PaymentMethodAddForm::buildForm in Commerce Core 8.2

Form constructor.

Parameters

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

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

Return value

array The form structure.

Overrides FormInterface::buildForm

File

modules/payment/src/Form/PaymentMethodAddForm.php, line 70

Class

PaymentMethodAddForm

Provides the payment method add form.

Namespace

Drupal\commerce_payment\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, UserInterface $user = NULL) {

  /** @var \Drupal\commerce_payment\PaymentOption[] $payment_options */
  $payment_options = $form_state
    ->get('payment_options');
  if (!$payment_options) {
    $payment_options = $this
      ->buildPaymentOptions($form_state);
    if (!$payment_options) {
      throw new AccessDeniedHttpException();
    }
    $form_state
      ->set('payment_options', $payment_options);
  }
  $payment_gateways = $form_state
    ->get('payment_gateways');

  // Core bug #1988968 doesn't allow the payment method add form JS to depend
  // on an external library, so the libraries need to be preloaded here.
  foreach ($payment_gateways as $payment_gateway) {
    if ($js_library = $payment_gateway
      ->getPlugin()
      ->getJsLibrary()) {
      $form['#attached']['library'][] = $js_library;
    }
  }

  // Prepare the form for ajax.
  $form['#wrapper_id'] = Html::getUniqueId('payment-method-add-form-wrapper');
  $form['#prefix'] = '<div id="' . $form['#wrapper_id'] . '">';
  $form['#suffix'] = '</div>';
  $user_input = $form_state
    ->getUserInput();
  if (!empty($user_input['payment_method']) && isset($payment_options[$user_input['payment_method']])) {
    $default_option = $payment_options[$user_input['payment_method']];
  }
  else {
    $default_option = reset($payment_options);
  }
  $option_labels = array_map(function (PaymentOption $option) {
    return $option
      ->getLabel();
  }, $payment_options);
  $form['#after_build'][] = [
    get_class($this),
    'clearValues',
  ];
  $form['payment_method'] = [
    '#type' => 'radios',
    '#title' => $this
      ->t('Payment method'),
    '#options' => $option_labels,
    '#default_value' => $default_option
      ->getId(),
    '#ajax' => [
      'callback' => [
        get_class($this),
        'ajaxRefresh',
      ],
      'wrapper' => $form['#wrapper_id'],
    ],
    '#access' => count($payment_options) > 1,
  ];
  $form_state
    ->set('payment_gateway', $default_option
    ->getPaymentGatewayId());
  $form_state
    ->set('payment_method_type', $default_option
    ->getPaymentMethodTypeId());
  $form = $this
    ->buildPaymentMethodForm($form, $form_state);
  $form['actions']['#type'] = 'actions';
  $form['actions']['submit_payment_method'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Save'),
    '#button_type' => 'primary',
    '#submit' => [
      '::submitForm',
    ],
  ];
  return $form;
}