class SelectLanguageForm in Zircon Profile 8

Same name and namespace in other branches

8.0 core/lib/Drupal/Core/Installer/Form/SelectLanguageForm.php \Drupal\Core\Installer\Form\SelectLanguageForm

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.

View source

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);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$loggerFactory	protected	property	The logger factory.
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	84
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	64
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator	protected	function	Returns the link generator.
LinkGeneratorTrait::l	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator	public	function	Sets the link generator service.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
SelectLanguageForm::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm
SelectLanguageForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
SelectLanguageForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator	protected	function	Returns the URL generator service.
UrlGeneratorTrait::redirect	protected	function	Returns a redirect response object for the specified route.
UrlGeneratorTrait::setUrlGenerator	public	function	Sets the URL generator service.
UrlGeneratorTrait::url	protected	function	Generates a URL or path for a specific route based on the given parameters.

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class SelectLanguageForm in Zircon Profile 8

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