content_translation_language_configuration_element_process

content_translation_language_configuration_element_process(array $element, FormStateInterface $form_state, array &$form)

function content_translation_language_configuration_element_process(array $element, FormStateInterface $form_state, array &$form) {
  if (empty($element['#content_translation_skip_alter']) && \Drupal::currentUser()->hasPermission('administer content translation')) {
    $key = $element['#name'];
    $form_state->set(['content_translation', 'key'], $key);
    $context = $form_state->get(['language', $key]);

    $element['content_translation'] = array(
      '#type' => 'checkbox',
      '#title' => t('Enable translation'),
      // For new bundle, we don't know the bundle name yet,
      // default to no translatability.
      '#default_value' => $context['bundle'] ? \Drupal::service('content_translation.manager')->isEnabled($context['entity_type'], $context['bundle']) : FALSE,
      '#element_validate' => array('content_translation_language_configuration_element_validate'),
    );

    $submit_name = isset($form['actions']['save_continue']) ? 'save_continue' : 'submit';
    // Only add the submit handler on the submit button if the #submit property
    // is already available, otherwise this breaks the form submit function.
    if (isset($form['actions'][$submit_name]['#submit'])) {
      $form['actions'][$submit_name]['#submit'][] = 'content_translation_language_configuration_element_submit';
    }
    else {
      $form['#submit'][] = 'content_translation_language_configuration_element_submit';
    }
  }
  return $element;
}