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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\language\Form\NegotiationBrowserForm. | |
| */ | |
| namespace Drupal\language\Form; | |
| use Drupal\Core\Config\ConfigFactoryInterface; | |
| use Drupal\Core\Form\ConfigFormBase; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Url; | |
| use Drupal\language\ConfigurableLanguageManagerInterface; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Configure the browser language negotiation method for this site. | |
| */ | |
| class NegotiationBrowserForm extends ConfigFormBase { | |
| /** | |
| * The configurable language manager. | |
| * | |
| * @var \Drupal\language\ConfigurableLanguageManagerInterface | |
| */ | |
| protected $languageManager; | |
| /** | |
| * {@inheritdoc} | |
| * | |
| * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler | |
| * The module handler | |
| */ | |
| public function __construct(ConfigFactoryInterface $config_factory, ConfigurableLanguageManagerInterface $language_manager ) { | |
| parent::__construct($config_factory); | |
| $this->languageManager = $language_manager; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static( | |
| $container->get('config.factory'), | |
| $container->get('language_manager') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'language_negotiation_configure_browser_form'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function getEditableConfigNames() { | |
| return ['language.mappings']; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function buildForm(array $form, FormStateInterface $form_state) { | |
| $form = array(); | |
| // Initialize a language list to the ones available, including English. | |
| $languages = $this->languageManager->getLanguages(); | |
| $existing_languages = array(); | |
| foreach ($languages as $langcode => $language) { | |
| $existing_languages[$langcode] = $language->getName(); | |
| } | |
| // If we have no languages available, present the list of predefined languages | |
| // only. If we do have already added languages, set up two option groups with | |
| // the list of existing and then predefined languages. | |
| if (empty($existing_languages)) { | |
| $language_options = $this->languageManager->getStandardLanguageListWithoutConfigured(); | |
| } | |
| else { | |
| $language_options = array( | |
| (string) $this->t('Existing languages') => $existing_languages, | |
| (string) $this->t('Languages not yet added') => $this->languageManager->getStandardLanguageListWithoutConfigured(), | |
| ); | |
| } | |
| $form['mappings'] = [ | |
| '#type' => 'table', | |
| '#header' => [ | |
| $this->t('Browser language code'), | |
| $this->t('Site language'), | |
| $this->t('Operations'), | |
| ], | |
| '#attributes' => ['id' => 'language-negotiation-browser'], | |
| '#empty' => $this->t('No browser language mappings available.'), | |
| ]; | |
| $mappings = $this->language_get_browser_drupal_langcode_mappings(); | |
| foreach ($mappings as $browser_langcode => $drupal_langcode) { | |
| $form['mappings'][$browser_langcode] = array( | |
| 'browser_langcode' => array( | |
| '#title' => $this->t('Browser language code'), | |
| '#title_display' => 'invisible', | |
| '#type' => 'textfield', | |
| '#default_value' => $browser_langcode, | |
| '#size' => 20, | |
| '#required' => TRUE, | |
| ), | |
| 'drupal_langcode' => array( | |
| '#title' => $this->t('Site language'), | |
| '#title_display' => 'invisible', | |
| '#type' => 'select', | |
| '#options' => $language_options, | |
| '#default_value' => $drupal_langcode, | |
| '#required' => TRUE, | |
| ), | |
| ); | |
| // Operations column. | |
| $form['mappings'][$browser_langcode]['operations'] = [ | |
| '#type' => 'operations', | |
| '#links' => [], | |
| ]; | |
| $form['mappings'][$browser_langcode]['operations']['#links']['delete'] = [ | |
| 'title' => $this->t('Delete'), | |
| 'url' => Url::fromRoute('language.negotiation_browser_delete', ['browser_langcode' => $browser_langcode]), | |
| ]; | |
| } | |
| // Add empty row. | |
| $form['new_mapping'] = array( | |
| '#type' => 'details', | |
| '#title' => $this->t('Add a new mapping'), | |
| '#tree' => TRUE, | |
| ); | |
| $form['new_mapping']['browser_langcode'] = array( | |
| '#type' => 'textfield', | |
| '#title' => $this->t('Browser language code'), | |
| '#description' => $this->t('Use language codes as <a href=":w3ctags">defined by the W3C</a> for interoperability. <em>Examples: "en", "en-gb" and "zh-hant".</em>', array(':w3ctags' => 'http://www.w3.org/International/articles/language-tags/')), | |
| '#size' => 20, | |
| ); | |
| $form['new_mapping']['drupal_langcode'] = array( | |
| '#type' => 'select', | |
| '#title' => $this->t('Site language'), | |
| '#options' => $language_options, | |
| ); | |
| return parent::buildForm($form, $form_state); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function validateForm(array &$form, FormStateInterface $form_state) { | |
| // Array to check if all browser language codes are unique. | |
| $unique_values = array(); | |
| // Check all mappings. | |
| if ($form_state->hasValue('mappings')) { | |
| $mappings = $form_state->getValue('mappings'); | |
| foreach ($mappings as $key => $data) { | |
| // Make sure browser_langcode is unique. | |
| if (array_key_exists($data['browser_langcode'], $unique_values)) { | |
| $form_state->setErrorByName('mappings][new_mapping][browser_langcode', $this->t('Browser language codes must be unique.')); | |
| } | |
| elseif (preg_match('/[^a-z\-]/', $data['browser_langcode'])) { | |
| $form_state->setErrorByName('mappings][new_mapping][browser_langcode', $this->t('Browser language codes can only contain lowercase letters and a hyphen(-).')); | |
| } | |
| $unique_values[$data['browser_langcode']] = $data['drupal_langcode']; | |
| } | |
| } | |
| // Check new mapping. | |
| $data = $form_state->getValue('new_mapping'); | |
| if (!empty($data['browser_langcode'])) { | |
| // Make sure browser_langcode is unique. | |
| if (array_key_exists($data['browser_langcode'], $unique_values)) { | |
| $form_state->setErrorByName('mappings][' . $key . '][browser_langcode', $this->t('Browser language codes must be unique.')); | |
| } | |
| elseif (preg_match('/[^a-z\-]/', $data['browser_langcode'])) { | |
| $form_state->setErrorByName('mappings][' . $key . '][browser_langcode', $this->t('Browser language codes can only contain lowercase letters and a hyphen(-).')); | |
| } | |
| $unique_values[$data['browser_langcode']] = $data['drupal_langcode']; | |
| } | |
| $form_state->set('mappings', $unique_values); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| $mappings = $form_state->get('mappings'); | |
| if (!empty($mappings)) { | |
| $config = $this->config('language.mappings'); | |
| $config->setData(['map' => $mappings]); | |
| $config->save(); | |
| } | |
| parent::submitForm($form, $form_state); | |
| } | |
| /** | |
| * Retrieves the browser's langcode mapping configuration array. | |
| * | |
| * @return array | |
| * The browser's langcode mapping configuration array. | |
| */ | |
| protected function language_get_browser_drupal_langcode_mappings() { | |
| $config = $this->config('language.mappings'); | |
| if ($config->isNew()) { | |
| return array(); | |
| } | |
| return $config->get('map'); | |
| } | |
| } | |