public function GaussianBlurImageEffect::validateConfigurationForm in Image Effects 8.3

Same name and namespace in other branches

1. 8 src/Plugin/ImageEffect/GaussianBlurImageEffect.php \Drupal\image_effects\Plugin\ImageEffect\GaussianBlurImageEffect::validateConfigurationForm()
2. 8.2 src/Plugin/ImageEffect/GaussianBlurImageEffect.php \Drupal\image_effects\Plugin\ImageEffect\GaussianBlurImageEffect::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/GaussianBlurImageEffect.php, line 79

Class

GaussianBlurImageEffect

Blur image using the Gaussian function.

Namespace

Drupal\image_effects\Plugin\ImageEffect

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  parent::validateConfigurationForm($form, $form_state);
  $radius = (int) $form_state
    ->getValue('radius');
  $sigma = (double) $form_state
    ->getValue('sigma');
  if ($radius < $sigma) {
    $form_state
      ->setError($form, $this
      ->t("The value of <em>sigma</em> must be lower than the <em>radius</em>."));
  }
}