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function advpoll_form_poll_edit_form_alter in Advanced Poll 8

Implements hook_form_FORM_ID_alter().

File

./advpoll.module, line 90

Code

function advpoll_form_poll_edit_form_alter(&$form, FormStateInterface $form_state) {

  /** @var \Drupal\poll\Entity\Poll $poll */
  $poll = $form_state
    ->getFormObject()
    ->getEntity();

  // Dynamic form for different poll types.
  if (!empty($form['field_poll_type']['widget'])) {

    // State for max number.
    if (!empty($form['field_number_of_votes']['widget'][0]['value'])) {
      $form['field_number_of_votes']['widget'][0]['value']['#states']['invisible'][] = [
        ':input[name="field_poll_type"]' => [
          'value' => '_none',
        ],
      ];
      if (empty($form['field_number_of_votes']['widget'][0]['value']['#default_value'])) {
        $form['field_number_of_votes']['widget'][0]['value']['#default_value'] = 1;
      }
    }

    // Validator and cleaner for hidden elements.
    $form['#validate'][] = 'advpoll_form_poll_edit_form_validate';
  }
}