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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\language\Element\LanguageConfiguration. | |
| */ | |
| namespace Drupal\language\Element; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Language\LanguageInterface; | |
| use Drupal\Core\Render\Element\FormElement; | |
| use Drupal\language\Entity\ContentLanguageSettings; | |
| /** | |
| * Provides language element configuration. | |
| * | |
| * @FormElement("language_configuration") | |
| */ | |
| class LanguageConfiguration extends FormElement { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getInfo() { | |
| $class = get_class($this); | |
| return array( | |
| '#input' => TRUE, | |
| '#tree' => TRUE, | |
| '#process' => array( | |
| array($class, 'processLanguageConfiguration'), | |
| ), | |
| ); | |
| } | |
| /** | |
| * Process handler for the language_configuration form element. | |
| */ | |
| public static function processLanguageConfiguration(&$element, FormStateInterface $form_state, &$form) { | |
| $options = isset($element['#options']) ? $element['#options'] : array(); | |
| // Avoid validation failure since we are moving the '#options' key in the | |
| // nested 'language' select element. | |
| unset($element['#options']); | |
| /** @var ContentLanguageSettings $default_config */ | |
| $default_config = $element['#default_value']; | |
| $element['langcode'] = array( | |
| '#type' => 'select', | |
| '#title' => t('Default language'), | |
| '#options' => $options + static::getDefaultOptions(), | |
| '#description' => t('Explanation of the language options is found on the <a href=":languages_list_page">languages list page</a>.', array(':languages_list_page' => \Drupal::url('entity.configurable_language.collection'))), | |
| '#default_value' => ($default_config != NULL) ? $default_config->getDefaultLangcode() : LanguageInterface::LANGCODE_SITE_DEFAULT, | |
| ); | |
| $element['language_alterable'] = array( | |
| '#type' => 'checkbox', | |
| '#title' => t('Show language selector on create and edit pages'), | |
| '#default_value' => ($default_config != NULL) ? $default_config->isLanguageAlterable() : FALSE, | |
| ); | |
| // Add the entity type and bundle information to the form if they are set. | |
| // They will be used, in the submit handler, to generate the names of the | |
| // configuration entities that will store the settings and are a way to uniquely | |
| // identify the entity. | |
| $language = $form_state->get('language') ?: []; | |
| $language += array( | |
| $element['#name'] => array( | |
| 'entity_type' => $element['#entity_information']['entity_type'], | |
| 'bundle' => $element['#entity_information']['bundle'], | |
| ), | |
| ); | |
| $form_state->set('language', $language); | |
| // Do not add the submit callback for the language content settings page, | |
| // which is handled separately. | |
| if ($form['#form_id'] != 'language_content_settings_form') { | |
| // Determine where to attach the language_configuration element submit | |
| // handler. | |
| // @todo Form API: Allow form widgets/sections to declare #submit | |
| // handlers. | |
| $submit_name = isset($form['actions']['save_continue']) ? 'save_continue' : 'submit'; | |
| if (isset($form['actions'][$submit_name]['#submit']) && array_search('language_configuration_element_submit', $form['actions'][$submit_name]['#submit']) === FALSE) { | |
| $form['actions'][$submit_name]['#submit'][] = 'language_configuration_element_submit'; | |
| } | |
| elseif (array_search('language_configuration_element_submit', $form['#submit']) === FALSE) { | |
| $form['#submit'][] = 'language_configuration_element_submit'; | |
| } | |
| } | |
| return $element; | |
| } | |
| /** | |
| * Returns the default options for the language configuration form element. | |
| * | |
| * @return array | |
| * An array containing the default options. | |
| */ | |
| protected static function getDefaultOptions() { | |
| $language_options = array( | |
| LanguageInterface::LANGCODE_SITE_DEFAULT => t("Site's default language (@language)", array('@language' => static::languageManager()->getDefaultLanguage()->getName())), | |
| 'current_interface' => t('Interface text language selected for page'), | |
| 'authors_default' => t("Author's preferred language"), | |
| ); | |
| $languages = static::languageManager()->getLanguages(LanguageInterface::STATE_ALL); | |
| foreach ($languages as $langcode => $language) { | |
| $language_options[$langcode] = $language->isLocked() ? t('- @name -', array('@name' => $language->getName())) : $language->getName(); | |
| } | |
| return $language_options; | |
| } | |
| /** | |
| * Wraps the language manager. | |
| * | |
| * @return \Drupal\Core\Language\LanguageManagerInterface | |
| */ | |
| protected static function languageManager() { | |
| return \Drupal::languageManager(); | |
| } | |
| } |