public function ModalForm::validateForm in Entity Reference View Widget 8

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 FormBase::validateForm

File

src/Form/ModalForm.php, line 87

Contains \Drupal\entity_reference_view_widget\Form\ModalForm.

Class

ModalForm

Provides the database logging filter form.

Namespace

Drupal\entity_reference_view_widget\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $settings = $form_state
    ->get('ervw_settings');
  $input = $form_state
    ->getUserInput();
  if (!empty($input['entity_ids'])) {
    if ($settings['cardinality'] > 0 && $settings['cardinality'] < count($input['entity_ids'])) {
      drupal_set_message(t('Please select no more than @cardinality values', array(
        '@cardinality' => $settings['cardinality'],
      )), 'error');
    }
  }
}