class ThemeAdminForm in Drupal 8

Form to select the administration theme.

@internal

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\Core\Form\ConfigFormBase uses ConfigFormBaseTrait
    • class \Drupal\system\Form\ThemeAdminForm

File

core/modules/system/src/Form/ThemeAdminForm.php, line 13

Namespace

Drupal\system\Form

class ThemeAdminForm extends ConfigFormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'system_themes_admin_form';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'system.theme',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, array $theme_options = NULL) {

    // Administration theme settings.
    $form['admin_theme'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Administration theme'),
      '#open' => TRUE,
    ];
    $form['admin_theme']['admin_theme'] = [
      '#type' => 'select',
      '#options' => [
        '' => $this
          ->t('Default theme'),
      ] + $theme_options,
      '#title' => $this
        ->t('Administration theme'),
      '#description' => $this
        ->t('Choose "Default theme" to always use the same theme as the rest of the site.'),
      '#default_value' => $this
        ->config('system.theme')
        ->get('admin'),
    ];
    $form['admin_theme']['actions'] = [
      '#type' => 'actions',
    ];
    $form['admin_theme']['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Save configuration'),
      '#button_type' => 'primary',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    parent::submitForm($form, $form_state);
    $this
      ->config('system.theme')
      ->set('admin', $form_state
      ->getValue('admin_theme'))
      ->save();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConfigFormBase::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create	13
ConfigFormBase::__construct	public	function	Constructs a \Drupal\system\ConfigFormBase object.	11
ConfigFormBaseTrait::config	protected	function	Retrieves a configuration object.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_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::$configFactory	protected	property	The config factory.	1
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	62
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
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.
ThemeAdminForm::buildForm	public	function	Form constructor. Overrides ConfigFormBase::buildForm
ThemeAdminForm::getEditableConfigNames	protected	function	Gets the configuration names that will be editable. Overrides ConfigFormBaseTrait::getEditableConfigNames
ThemeAdminForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
ThemeAdminForm::submitForm	public	function	Form submission handler. Overrides ConfigFormBase::submitForm
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.