class SearchBlockForm in Drupal 8

Builds the search form for the search block.

@internal

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\search\Form\SearchBlockForm

1 file declares its use of SearchBlockForm

SearchBlock.php in core/modules/search/src/Plugin/Block/SearchBlock.php

File

core/modules/search/src/Form/SearchBlockForm.php, line 18

Namespace

Drupal\search\Form

class SearchBlockForm extends FormBase {

  /**
   * The search page repository.
   *
   * @var \Drupal\search\SearchPageRepositoryInterface
   */
  protected $searchPageRepository;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * The renderer.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * Constructs a new SearchBlockForm.
   *
   * @param \Drupal\search\SearchPageRepositoryInterface $search_page_repository
   *   The search page repository.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The config factory.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer.
   */
  public function __construct(SearchPageRepositoryInterface $search_page_repository, ConfigFactoryInterface $config_factory, RendererInterface $renderer) {
    $this->searchPageRepository = $search_page_repository;
    $this->configFactory = $config_factory;
    $this->renderer = $renderer;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('search.search_page_repository'), $container
      ->get('config.factory'), $container
      ->get('renderer'));
  }

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

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

    // Set up the form to submit using GET to the correct search page.
    if (!$entity_id) {
      $entity_id = $this->searchPageRepository
        ->getDefaultSearchPage();

      // SearchPageRepository::getDefaultSearchPage() depends on
      // search.settings.  The dependency needs to be added before the
      // conditional return, otherwise the block would get cached without the
      // necessary cacheability metadata in case there is no default search page
      // and would not be invalidated if that changes.
      $this->renderer
        ->addCacheableDependency($form, $this->configFactory
        ->get('search.settings'));
    }
    if (!$entity_id) {
      $form['message'] = [
        '#markup' => $this
          ->t('Search is currently disabled'),
      ];
      return $form;
    }
    $route = 'search.view_' . $entity_id;
    $form['#action'] = Url::fromRoute($route)
      ->toString();
    $form['#method'] = 'get';
    $form['keys'] = [
      '#type' => 'search',
      '#title' => $this
        ->t('Search'),
      '#title_display' => 'invisible',
      '#size' => 15,
      '#default_value' => '',
      '#attributes' => [
        'title' => $this
          ->t('Enter the terms you wish to search for.'),
      ],
    ];
    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Search'),
      // Prevent op from showing up in the query string.
      '#name' => '',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

    // This form submits to the search page, so processing happens there.
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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::$requestStack	protected	property	The request stack.	1
FormBase::$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.	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.
SearchBlockForm::$configFactory	protected	property	The config factory. Overrides FormBase::$configFactory
SearchBlockForm::$renderer	protected	property	The renderer.
SearchBlockForm::$searchPageRepository	protected	property	The search page repository.
SearchBlockForm::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm
SearchBlockForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
SearchBlockForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
SearchBlockForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
SearchBlockForm::__construct	public	function	Constructs a new SearchBlockForm.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$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.