public function LayoutBuilderUpdateBlockForm::validateForm in Panopoly Magic 8.2

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides ConfigureBlockFormBase::validateForm

File

src/Form/LayoutBuilderUpdateBlockForm.php, line 58

Class

LayoutBuilderUpdateBlockForm

Enhances the update block form with live preview.

Namespace

Drupal\panopoly_magic\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {

  // Suppress form validation errors when Preview is clicked, allowing partial
  // previews and removing error messages when a block has multiple required
  // fields.
  // Supporess form validation errors when Cancel is clicked, allowing the
  // dialog to be dismissed discarding changes if there are validation errors.
  $submit_button_name = end($form_state
    ->getTriggeringElement()['#parents']);
  if ($submit_button_name == 'preview' || $submit_button_name == 'cancel') {

    // Suppress all future validation errors from parent::validateForm().
    $form_state
      ->setLimitValidationErrors([]);

    // Clear any existing validation errors from the Field API.
    $form_state
      ->clearErrors();
  }
  parent::validateForm($form, $form_state);
}