/**
* Implements #element_validate callback for self::fieldSettingsForm().
*/
public static function fieldSettingsFormValidate(array $element, FormStateInterface $form_state)
{
$add_more_button_form_parents = array_merge($element['#array_parents'], ['line_items', 'add_more', 'add']);
// Only set the field settings as a value when it is not the "Add more"
// button that has been clicked.
$triggering_element = $form_state->getTriggeringElement();
if ($triggering_element['#array_parents'] != $add_more_button_form_parents) {
$values = $form_state->getValues();
$values = NestedArray::getValue($values, $element['#array_parents']);
$line_items_data = [];
foreach (PaymentLineItemsInput::getLineItems($element['line_items'], $form_state) as $line_item) {
$line_items_data[] = ['plugin_id' => $line_item->getPluginId(), 'plugin_configuration' => $line_item->getConfiguration()];
}
$value = ['currency_code' => $values['currency_code'], 'line_items_data' => $line_items_data];
$form_state->setValueForElement($element, $value);
}
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
$line_items_data = [];
/** @var \Drupal\payment\Plugin\Payment\LineItem\PaymentLineItemInterface $line_item */
foreach (PaymentLineItemsInput::getLineItems($form['container']['line_item'], $form_state) as $line_item) {
$line_items_data[] = array('plugin_id' => $line_item->getPluginId(), 'plugin_configuration' => $line_item->getConfiguration());
}
\Drupal::state()->set('payment_test_line_item_form_element', $line_items_data);
}
