public function AspectSwitcherImageEffect::validateConfigurationForm in Image Effects 8

Same name and namespace in other branches

1. 8.3 src/Plugin/ImageEffect/AspectSwitcherImageEffect.php \Drupal\image_effects\Plugin\ImageEffect\AspectSwitcherImageEffect::validateConfigurationForm()
2. 8.2 src/Plugin/ImageEffect/AspectSwitcherImageEffect.php \Drupal\image_effects\Plugin\ImageEffect\AspectSwitcherImageEffect::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/AspectSwitcherImageEffect.php, line 115

Class

AspectSwitcherImageEffect

Choose image styles to apply based on source image orientation.

Namespace

Drupal\image_effects\Plugin\ImageEffect

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  parent::validateConfigurationForm($form, $form_state);
  if ($form_state
    ->getValue('portrait_image_style') === NULL && $form_state
    ->getValue('landscape_image_style') === NULL) {
    $form_state
      ->setErrorByName('portrait_image_style', $this
      ->t("At least one of 'Landscape image style' or 'Portrait image style' must be selected."));
    $form_state
      ->setErrorByName('landscape_image_style', $this
      ->t("At least one of 'Landscape image style' or 'Portrait image style' must be selected."));
  }
  if ($this
    ->failSafeGetImageStyle($form_state
    ->getValue('portrait_image_style')) === FALSE) {
    $form_state
      ->setErrorByName('portrait_image_style', $this
      ->t("The image style does not exist."));
  }
  if ($this
    ->failSafeGetImageStyle($form_state
    ->getValue('landscape_image_style')) === FALSE) {
    $form_state
      ->setErrorByName('landscape_image_style', $this
      ->t("The image style does not exist."));
  }

  // @todo at the moment it is not possible to validate the style selected
  // not being a circular reference to the current style itself.
  // @see https://www.drupal.org/node/1826362
}