function LanguageConfiguration::processLanguageConfiguration

Process handler for the language_configuration form element.

File

core/modules/language/src/Element/LanguageConfiguration.php, line 34

Class

LanguageConfiguration

Defines an element for language configuration for a single field.

Namespace

Code

public static function processLanguageConfiguration(&$element, FormStateInterface $form_state, &$form) {
    $options = $element['#options'] ?? [];
    // Avoid validation failure since we are moving the '#options' key in the
    // nested 'language' select element.
    unset($element['#options']);
    
    /** @var \Drupal\language\Entity\ContentLanguageSettings $default_config */
    $default_config = $element['#default_value'];
    $element['langcode'] = [
        '#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>.', [
            ':languages_list_page' => Url::fromRoute('entity.configurable_language.collection')->toString(),
        ]),
        '#default_value' => $default_config != NULL ? $default_config->getDefaultLangcode() : LanguageInterface::LANGCODE_SITE_DEFAULT,
    ];
    $element['language_alterable'] = [
        '#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 += [
        $element['#name'] => [
            '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;
}