public function UnitPriceWidget::extractFormValues in Commerce Core 8.2

Extracts field values from submitted form values.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values. This parameter is altered by reference to receive the incoming form values.

array $form: The form structure where field elements are attached to. This might be a full form structure, or a sub-element of a larger form.

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

Overrides WidgetBase::extractFormValues

File

modules/order/src/Plugin/Field/FieldWidget/UnitPriceWidget.php, line 154

Class

UnitPriceWidget

Plugin implementation of the 'commerce_unit_price' widget.

Namespace

Drupal\commerce_order\Plugin\Field\FieldWidget

Code

public function extractFormValues(FieldItemListInterface $items, array $form, FormStateInterface $form_state) {
  $field_name = $this->fieldDefinition
    ->getName();
  $path = array_merge($form['#parents'], [
    $field_name,
    0,
  ]);
  $values = NestedArray::getValue($form_state
    ->getValues(), $path);
  $order_item = $items
    ->getEntity();
  assert($order_item instanceof OrderItemInterface);
  $unit_price = NULL;
  if (!empty($values['override']) || !$this
    ->getSetting('require_confirmation')) {

    // Verify the passed number was numeric before trying to set it.
    try {
      $unit_price = Price::fromArray($values['amount']);
      $order_item
        ->setUnitPrice($unit_price, TRUE);
    } catch (\InvalidArgumentException $e) {
      $form_state
        ->setErrorByName(implode('][', $path), $this
        ->t('%title must be a number.', [
        '%title' => $this->fieldDefinition
          ->getLabel(),
      ]));
    }
  }
  elseif ($order_item
    ->isNew() && !$order_item
    ->getUnitPrice()) {
    $purchased_entity = $order_item
      ->getPurchasedEntity();
    if ($purchased_entity !== NULL) {
      $order = $order_item
        ->getOrder();
      if ($order === NULL) {
        $form_object = $form_state
          ->getFormObject();
        if ($form_object instanceof OrderForm) {
          $order = $form_object
            ->getEntity();
          if ($order instanceof OrderInterface) {
            $context = new Context($order
              ->getCustomer(), $order
              ->getStore());
            $unit_price = $this->chainPriceResolver
              ->resolve($purchased_entity, $order_item
              ->getQuantity(), $context);
            $order_item
              ->setUnitPrice($unit_price, FALSE);
          }
        }
      }
    }
  }

  // Put delta mapping in $form_state, so that flagErrors() can use it.
  $field_state = static::getWidgetState($form['#parents'], $field_name, $form_state);
  foreach ($items as $delta => $item) {
    $field_state['original_deltas'][$delta] = $delta;
  }
  static::setWidgetState($form['#parents'], $field_name, $form_state, $field_state);
}