public function Custom::validateConfigurationForm in Commerce Core 8.2

Form validation handler.

Parameters

array $form: An associative array containing the structure of the plugin form as built by static::buildConfigurationForm().

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Calling code should pass on a subform state created through \Drupal\Core\Form\SubformState::createForSubform().

Overrides TaxTypeBase::validateConfigurationForm

File

modules/tax/src/Plugin/Commerce/TaxType/Custom.php, line 290

Class

Custom

Provides the Custom tax type.

Namespace

Drupal\commerce_tax\Plugin\Commerce\TaxType

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  $values = $form_state
    ->getValue($form['#parents']);

  // Filter out the button rows.
  $values['rates'] = array_filter($values['rates'], function ($rate) {
    return !empty($rate) && !isset($rate['add_rate']);
  });
  $values['territories'] = array_filter($values['territories'], function ($territory) {
    return !empty($territory) && !isset($territory['add_territory']);
  });
  $form_state
    ->setValue($form['#parents'], $values);
  if (empty($values['rates'])) {
    $form_state
      ->setError($form['rates'], $this
      ->t('Please add at least one rate.'));
  }
  if (empty($values['territories'])) {
    $form_state
      ->setError($form['territories'], $this
      ->t('Please add at least one territory.'));
  }
}