public function MirrorImageEffect::validateConfigurationForm in Image Effects 8

Same name and namespace in other branches

1. 8.3 src/Plugin/ImageEffect/MirrorImageEffect.php \Drupal\image_effects\Plugin\ImageEffect\MirrorImageEffect::validateConfigurationForm()
2. 8.2 src/Plugin/ImageEffect/MirrorImageEffect.php \Drupal\image_effects\Plugin\ImageEffect\MirrorImageEffect::validateConfigurationForm()

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 ConfigurableImageEffectBase::validateConfigurationForm

File

src/Plugin/ImageEffect/MirrorImageEffect.php, line 62

Class

MirrorImageEffect

Mirror image.

Namespace

Drupal\image_effects\Plugin\ImageEffect

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  parent::validateConfigurationForm($form, $form_state);
  $x_axis = (bool) $form_state
    ->getValue('x_axis');
  $y_axis = (bool) $form_state
    ->getValue('y_axis');
  if ($x_axis === FALSE && $y_axis === FALSE) {
    $form_state
      ->setError($form, $this
      ->t("Either an Horizontal or a Vertical mirroring must be selected."));
  }
}