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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Installer\Form\SelectLanguageForm. | |
| */ | |
| namespace Drupal\Core\Installer\Form; | |
| use Drupal\Component\Utility\UserAgent; | |
| use Drupal\Core\Form\FormBase; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Language\LanguageManager; | |
| use Symfony\Component\HttpFoundation\Request; | |
| /** | |
| * Provides the language selection form. | |
| * | |
| * Note that hardcoded text provided by this form is not translated. This is | |
| * because translations are downloaded as a result of submitting this form. | |
| */ | |
| class SelectLanguageForm extends FormBase { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'install_select_language_form'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function buildForm(array $form, FormStateInterface $form_state, $install_state = NULL) { | |
| if (count($install_state['translations']) > 1) { | |
| $files = $install_state['translations']; | |
| } | |
| else { | |
| $files = array(); | |
| } | |
| $standard_languages = LanguageManager::getStandardLanguageList(); | |
| $select_options = array(); | |
| $browser_options = array(); | |
| $form['#title'] = 'Choose language'; | |
| // Build a select list with language names in native language for the user | |
| // to choose from. And build a list of available languages for the browser | |
| // to select the language default from. | |
| // Select lists based on all standard languages. | |
| foreach ($standard_languages as $langcode => $language_names) { | |
| $select_options[$langcode] = $language_names[1]; | |
| $browser_options[$langcode] = $langcode; | |
| } | |
| // Add languages based on language files in the translations directory. | |
| if (count($files)) { | |
| foreach ($files as $langcode => $uri) { | |
| $select_options[$langcode] = isset($standard_languages[$langcode]) ? $standard_languages[$langcode][1] : $langcode; | |
| $browser_options[$langcode] = $langcode; | |
| } | |
| } | |
| asort($select_options); | |
| $request = Request::createFromGlobals(); | |
| $browser_langcode = UserAgent::getBestMatchingLangcode($request->server->get('HTTP_ACCEPT_LANGUAGE'), $browser_options); | |
| $form['langcode'] = array( | |
| '#type' => 'select', | |
| '#title' => 'Choose language', | |
| '#title_display' => 'invisible', | |
| '#options' => $select_options, | |
| // Use the browser detected language as default or English if nothing found. | |
| '#default_value' => !empty($browser_langcode) ? $browser_langcode : 'en', | |
| ); | |
| $link_to_english = install_full_redirect_url(array('parameters' => array('langcode' => 'en'))); | |
| $form['help'] = array( | |
| '#type' => 'item', | |
| // #markup is XSS admin filtered which ensures unsafe protocols will be | |
| // removed from the url. | |
| '#markup' => '<p>Translations will be downloaded from the <a href="http://localize.drupal.org">Drupal Translation website</a>. If you do not want this, select <a href="' . $link_to_english . '">English</a>.</p>', | |
| '#states' => array( | |
| 'invisible' => array( | |
| 'select[name="langcode"]' => array('value' => 'en'), | |
| ), | |
| ), | |
| ); | |
| $form['actions'] = array('#type' => 'actions'); | |
| $form['actions']['submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => 'Save and continue', | |
| '#button_type' => 'primary', | |
| ); | |
| return $form; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| $build_info = $form_state->getBuildInfo(); | |
| $build_info['args'][0]['parameters']['langcode'] = $form_state->getValue('langcode'); | |
| $form_state->setBuildInfo($build_info); | |
| } | |
| } |