class AjaxCommentsForm in AJAX Comments 8

Provides ajax enhancements to core default Comment form.

@package Drupal\ajax_comments

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\Core\Entity\EntityForm implements EntityFormInterface
    • class \Drupal\Core\Entity\ContentEntityForm implements ContentEntityFormInterface
      • class \Drupal\comment\CommentForm
        • class \Drupal\ajax_comments\Form\AjaxCommentsForm

File

src/Form/AjaxCommentsForm.php, line 28

Namespace

Drupal\ajax_comments\Form

class AjaxCommentsForm extends CommentForm {

  /**
   * The CurrentRouteMatch service.
   *
   * @var \Drupal\Core\Routing\CurrentRouteMatch
   */
  protected $currentRouteMatch;

  /**
   * The FieldSettingsHelper service.
   *
   * @var \Drupal\ajax_comments\FieldSettingsHelper
   */
  protected $fieldSettingsHelper;

  /**
   * The TempStore service.
   *
   * This service stores temporary data to be used across HTTP requests.
   *
   * @var \Drupal\ajax_comments\TempStore
   */
  protected $tempStore;

  /**
   * A request stack symfony instance.
   *
   * @var \Symfony\Component\HttpFoundation\RequestStack
   */
  protected $requestStack;

  /**
   * Constructs a new CommentForm.
   *
   *@param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current user.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer.
   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
   *   The request stack.
   * @param \Drupal\Core\Routing\CurrentRouteMatch $current_route_match
   *   The CurrentRouteMatch service.
   * @param \Drupal\ajax_comments\FieldSettingsHelper $field_settings_helper
   *   The FieldSettingsHelper service.
   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
   *   The entity type bundle service.
   * @param \Drupal\Component\Datetime\TimeInterface $time
   *   The time service.
   * @param \Drupal\ajax_comments\TempStore $temp_store
   *   The TempStore service.
   */
  public function __construct(EntityRepositoryInterface $entity_repository, AccountInterface $current_user, RendererInterface $renderer, EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL, TimeInterface $time = NULL, EntityFieldManagerInterface $entity_field_manager = NULL, RequestStack $request_stack, CurrentRouteMatch $current_route_match, FieldSettingsHelper $field_settings_helper, TempStore $temp_store) {
    parent::__construct($entity_repository, $current_user, $renderer, $entity_type_bundle_info, $time, $entity_field_manager);
    $this->requestStack = $request_stack;
    $this->currentRouteMatch = $current_route_match;
    $this->fieldSettingsHelper = $field_settings_helper;
    $this->tempStore = $temp_store;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.repository'), $container
      ->get('current_user'), $container
      ->get('renderer'), $container
      ->get('entity_type.bundle.info'), $container
      ->get('datetime.time'), $container
      ->get('entity_field.manager'), $container
      ->get('request_stack'), $container
      ->get('current_route_match'), $container
      ->get('ajax_comments.field_settings_helper'), $container
      ->get('ajax_comments.temp_store'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $request = $this->requestStack
      ->getCurrentRequest();
    $is_ajax = Utility::isAjaxRequest($request, $form_state
      ->getUserInput());
    $route_name = $this->currentRouteMatch
      ->getRouteName();

    // If this is an ajax request, ensure that id attributes are generated
    // as unique.
    if ($is_ajax) {
      Html::setIsAjax(TRUE);
    }

    // Ajax replies to other comments should happen on the canonical entity page
    // (note this functionality has not been ported to D8, yet).
    // If the user is on the standalone comment reply page or comment edit page,
    // it means JavaScript is disabled or the ajax functionality is not working.
    // Do not proceed with the form alter.
    if (in_array($this->currentRouteMatch
      ->getRouteName(), [
      'comment.reply',
      'entity.comment.edit_form',
    ])) {
      return $form;
    }

    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = $form_state
      ->getFormObject()
      ->getEntity();

    // Check to see if this comment field uses ajax comments.
    $comment_formatter = $this->fieldSettingsHelper
      ->getFieldFormatterFromComment($comment, 'full');
    if (empty($comment_formatter) || !$this->fieldSettingsHelper
      ->isEnabled($comment_formatter)) {

      // If not using Ajax Comments, return the unmodified form.
      return $form;
    }

    /** @var \Drupal\Core\Entity\ContentEntityInterface $commented_entity */
    $commented_entity = $comment
      ->getCommentedEntity();
    $field_name = $comment
      ->getFieldName();
    $cid = $comment
      ->id() ? $comment
      ->id() : 0;
    $pid = $comment
      ->get('pid')->target_id ? $comment
      ->get('pid')->target_id : 0;
    $id = 'ajax-comments-reply-form-' . $commented_entity
      ->getEntityTypeId() . '-' . $commented_entity
      ->id() . '-' . $field_name . '-' . $pid . '-' . $cid;
    $form['#attributes']['id'] = Html::getUniqueId($id);

    // Add the form's id as a hidden input so we can
    // access it in the controller.
    $form['form_html_id'] = [
      '#type' => 'hidden',
      '#value' => $form['#attributes']['id'],
    ];

    // If this is an instance of the form that was submitted (not a child
    // form on a comment field attached to this comment), then
    // update the temp store values while rebuilding the form, if necessary.
    $this->tempStore
      ->processForm($request, $form, $form_state);
    if ($is_ajax && in_array($route_name, [
      'ajax_comments.edit',
      'ajax_comments.reply',
    ])) {
      $wrapper_html_id = $this->tempStore
        ->getSelectorValue($request, 'wrapper_html_id');
    }
    else {
      $wrapper_html_id = Utility::getWrapperIdFromEntity($commented_entity, $field_name);
    }

    // Add the wrapping fields's HTML id as a hidden input
    // so we can access it in the controller.
    // NOTE: This field needs to be declared here, and the only the #value
    // property overridden in $this->setWrapperId(). Otherwise, if the field
    // were NOT declared here but rather only in $this->setWrapperId(), then
    // the hidden input element in the markup will not be generated correctly
    // when $this->setWrapperId() is called from $this->validateForm().
    $form['wrapper_html_id'] = [
      '#type' => 'hidden',
      '#value' => $wrapper_html_id,
    ];

    // Add the wrapping fields's HTML id.
    $this
      ->setWrapperId($form, $wrapper_html_id);
    return $form;
  }

  /**
   * Set the wrapper id on the hidden element and the #ajax button properties.
   *
   * @param array $form
   *   The form array.
   * @param string $wrapper_html_id
   *   The value for the wrapper id.
   */
  protected function setWrapperId(&$form, $wrapper_html_id) {

    // Add the wrapping fields's HTML id as a hidden input
    // so we can access it in the controller.
    $form['wrapper_html_id']['#value'] = $wrapper_html_id;
    $form['actions']['submit']['#ajax']['wrapper'] = $wrapper_html_id;
    if (isset($form['actions']['cancel']['#ajax'])) {
      $form['actions']['cancel']['#ajax']['wrapper'] = $wrapper_html_id;
    }
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state) {
    $element = parent::actions($form, $form_state);

    // Populate the comment-specific variables.

    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = $form_state
      ->getFormObject()
      ->getEntity();
    $comment_formatter = $this->fieldSettingsHelper
      ->getFieldFormatterFromComment($comment, 'full');
    if (empty($comment_formatter) || !$this->fieldSettingsHelper
      ->isEnabled($comment_formatter)) {

      // If not using Ajax Comments, return the unmodified element.
      return $element;
    }

    /** @var \Drupal\Core\Entity\EntityInterface $commented_entity */
    $commented_entity = $comment
      ->getCommentedEntity();
    $field_name = $comment
      ->getFieldName();
    $cid = $comment
      ->id() ? $comment
      ->id() : 0;
    $pid = $comment
      ->get('pid')->target_id ? $comment
      ->get('pid')->target_id : NULL;

    // Build the #ajax array.
    $ajax = [
      // Due to D8 core comments' use of #lazy_builder, setting a 'callback'
      // here won't work. The Drupal 8 form ajax callback functionality
      // relies on FormBuilder::buildForm() throwing an FormAjaxException()
      // during processing. The exception would be caught in Symfony's
      // HttpKernel::handle() method, which handles the exception and gets
      // responses from event subscribers, in this case FormAjaxSubscriber.
      // However, #lazy_builder causes the comment form to be built on a
      // separate, subsequent request, which causes HttpKernel::handle()
      // to be unable to catch the FormAjaxException. Using an ajax 'url'
      // instead of a callback avoids this issue.
      // The ajax URL varies based on context, so set a placeholder and
      // override below.
      'url' => NULL,
      // We need to wait for ajax_comments_entity_display_build_alter() to run
      // so that we can populate the $form['wrapper_html_id'] in
      // $this->buildForm(), so we need to set this to a NULL placeholder and
      // update the value in $this->buildForm() as well.
      'wrapper' => NULL,
      'method' => 'replace',
      'effect' => 'fade',
    ];

    // Build the ajax submit URLs.
    $ajax_new_comment_url = Url::fromRoute('ajax_comments.add', [
      'entity_type' => $commented_entity
        ->getEntityTypeId(),
      'entity' => $commented_entity
        ->id(),
      'field_name' => $field_name,
      'pid' => $pid,
    ]);
    $ajax_edit_comment_url = Url::fromRoute('ajax_comments.save', [
      'comment' => $cid,
    ]);
    $ajax_comment_reply_url = Url::fromRoute('ajax_comments.save_reply', [
      'entity_type' => $commented_entity
        ->getEntityTypeId(),
      'entity' => $commented_entity
        ->id(),
      'field_name' => $field_name,
      'pid' => $pid,
    ]);

    // Build the cancel button render array.
    $cancel = [
      '#type' => 'button',
      '#value' => t('Cancel'),
      '#access' => TRUE,
      '#ajax' => [
        'url' => Url::fromRoute('ajax_comments.cancel', [
          'cid' => $cid,
        ]),
        // We need to wait for ajax_comments_entity_display_build_alter() to run
        // so that we can populate the $form['wrapper_html_id'] in
        // $this->buildForm(), so we need to set this to a NULL placeholder and
        // update the value in $this->buildForm() as well.
        'wrapper' => NULL,
        'method' => 'replace',
        'effect' => 'fade',
      ],
    ];

    // The form actions will vary based on the route
    // that is requesting this form.
    $request = $this->requestStack
      ->getCurrentRequest();
    $route_name = RouteMatch::createFromRequest($request)
      ->getRouteName();
    $editing = !empty($form_state
      ->get('editing'));
    switch ($route_name) {
      case 'entity.comment.edit_form':

        // If we're on the standalone comment edit page (/comment/{cid}/edit),
        // don't add the ajax behavior.
        break;
      case 'ajax_comments.edit':
        $element['submit']['#ajax'] = $ajax;
        $element['submit']['#ajax']['url'] = $ajax_edit_comment_url;
        $element['cancel'] = $cancel;
        break;
      case 'ajax_comments.save':
        $element['submit']['#ajax'] = $ajax;

        // If the user attempted to submit the form but there were errors,
        // rebuild the form used at the 'ajax_comments.edit' route.
        if ($editing) {
          $element['submit']['#ajax']['url'] = $ajax_edit_comment_url;
          $element['cancel'] = $cancel;
        }
        else {
          $element['submit']['#ajax']['url'] = $ajax_new_comment_url;
        }
        break;
      case 'ajax_comments.reply':
        $element['submit']['#ajax'] = $ajax;
        $element['submit']['#ajax']['url'] = $ajax_comment_reply_url;
        $element['cancel'] = $cancel;
        break;
      case 'ajax_comments.save_reply':
        $element['submit']['#ajax'] = $ajax;

        // If the user attempted to submit the form but there were errors,
        // rebuild the form used at the 'ajax_comments.reply' route.
        if ($editing) {
          $element['submit']['#ajax']['url'] = $ajax_comment_reply_url;
          $element['cancel'] = $cancel;
        }
        else {
          $element['submit']['#ajax']['url'] = $ajax_new_comment_url;
        }
        break;
      default:
        $element['submit']['#ajax'] = $ajax;
        $element['submit']['#ajax']['url'] = $ajax_new_comment_url;
        break;
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);

    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = $form_state
      ->getFormObject()
      ->getEntity();
    $comment_formatter = $this->fieldSettingsHelper
      ->getFieldFormatterFromComment($comment, 'full');
    if ($comment_formatter && !$this->fieldSettingsHelper
      ->isEnabled($comment_formatter)) {

      // If not using Ajax Comments, do not process further.
      return;
    }
    $request = $this->requestStack
      ->getCurrentRequest();
    $route_name = $this->currentRouteMatch
      ->getRouteName();
    $this->tempStore
      ->processForm($request, $form, $form_state, $is_validating = TRUE);
    if ($form_state
      ->hasAnyErrors() && in_array($route_name, [
      'ajax_comments.save',
      'ajax_comments.save_reply',
    ])) {

      // If we are trying to save an edit to an existing comment, and there is
      // a form error, set the wrapper element ID back to its original value,
      // because we haven't executed a complete replacement of the wrapper
      // element in this case.
      $wrapper_html_id = $this->tempStore
        ->getSelectorValue($request, 'wrapper_html_id');
      $this
        ->setWrapperId($form, $wrapper_html_id);
    }
  }

  /**
   * Override the redirect set by \Drupal\comment\CommentForm::save().
   *
   * Drupal needs to redirect the form back to itself so that processing
   * completes and the new comments appears in the markup returned by the
   * ajax response. If we merely unset the redirect to the node page, the new
   * comment will not appear until the next page refresh.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function save(array $form, FormStateInterface $form_state) {
    parent::save($form, $form_state);

    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = $form_state
      ->getFormObject()
      ->getEntity();
    $comment_formatter = $this->fieldSettingsHelper
      ->getFieldFormatterFromComment($comment, 'full');
    if (empty($comment_formatter) || !$this->fieldSettingsHelper
      ->isEnabled($comment_formatter)) {

      // If not using Ajax Comments, do not change the redirect.
      return;
    }

    // Save the comment id in the private tempStore, so that the controller
    // can access it in a subsequent HTTP request.
    $this->tempStore
      ->setCid($comment
      ->id());

    // Code adapted from FormSubmitter::redirectForm().
    $request = $this->requestStack
      ->getCurrentRequest();
    $route_name = RouteMatch::createFromRequest($request)
      ->getRouteName();
    if (!in_array($route_name, [
      'entity.comment.edit_form',
      'comment.reply',
    ])) {
      $form_state
        ->setRedirect('<current>', [], [
        'query' => $request->query
          ->all(),
        'absolute' => TRUE,
      ]);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AjaxCommentsForm::$currentRouteMatch	protected	property	The CurrentRouteMatch service.
AjaxCommentsForm::$fieldSettingsHelper	protected	property	The FieldSettingsHelper service.
AjaxCommentsForm::$requestStack	protected	property	A request stack symfony instance. Overrides FormBase::$requestStack
AjaxCommentsForm::$tempStore	protected	property	The TempStore service.
AjaxCommentsForm::actions	protected	function	Returns an array of supported actions for the current entity form. Overrides CommentForm::actions
AjaxCommentsForm::buildForm	public	function	Form constructor. Overrides EntityForm::buildForm
AjaxCommentsForm::create	public static	function	Instantiates a new instance of this class. Overrides CommentForm::create
AjaxCommentsForm::save	public	function	Override the redirect set by \Drupal\comment\CommentForm::save(). Overrides CommentForm::save
AjaxCommentsForm::setWrapperId	protected	function	Set the wrapper id on the hidden element and the #ajax button properties.
AjaxCommentsForm::validateForm	public	function	Button-level validation handlers are highly discouraged for entity forms, as they will prevent entity validation from running. If the entity is going to be saved during the form submission, this method should be manually invoked from the button-level… Overrides ContentEntityForm::validateForm
AjaxCommentsForm::__construct	public	function	Constructs a new CommentForm. Overrides CommentForm::__construct
CommentForm::$currentUser	protected	property	The current user.
CommentForm::$entityFieldManager	protected	property	The entity field manager.
CommentForm::$renderer	protected	property	The renderer.
CommentForm::buildEntity	public	function	Builds an updated entity object based upon the submitted form values. Overrides ContentEntityForm::buildEntity
CommentForm::flagViolations	protected	function	Flags violations for the current form. Overrides ContentEntityForm::flagViolations
CommentForm::form	public	function	Gets the actual form array to be built. Overrides ContentEntityForm::form
CommentForm::getEditedFieldNames	protected	function	Gets the names of all fields edited in the form. Overrides ContentEntityForm::getEditedFieldNames
CommentForm::preview	public	function	Form submission handler for the 'preview' action.
ContentEntityForm::$entity	protected	property	The entity being used by this form. Overrides EntityForm::$entity	9
ContentEntityForm::$entityRepository	protected	property	The entity repository service.
ContentEntityForm::$entityTypeBundleInfo	protected	property	The entity type bundle info service.
ContentEntityForm::$time	protected	property	The time service.
ContentEntityForm::addRevisionableFormFields	protected	function	Add revision form fields if the entity enabled the UI.
ContentEntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties Overrides EntityForm::copyFormValuesToEntity
ContentEntityForm::getBundleEntity	protected	function	Returns the bundle entity of the entity, or NULL if there is none.
ContentEntityForm::getFormDisplay	public	function	Gets the form display. Overrides ContentEntityFormInterface::getFormDisplay
ContentEntityForm::getFormLangcode	public	function	Gets the code identifying the active form language. Overrides ContentEntityFormInterface::getFormLangcode
ContentEntityForm::getNewRevisionDefault	protected	function	Should new revisions created on default.
ContentEntityForm::init	protected	function	Initializes the form state and the entity before the first form build. Overrides EntityForm::init	1
ContentEntityForm::initFormLangcodes	protected	function	Initializes form language code values.
ContentEntityForm::isDefaultFormLangcode	public	function	Checks whether the current form language matches the entity one. Overrides ContentEntityFormInterface::isDefaultFormLangcode
ContentEntityForm::prepareEntity	protected	function	Prepares the entity object before the form is built first. Overrides EntityForm::prepareEntity	1
ContentEntityForm::setFormDisplay	public	function	Sets the form display. Overrides ContentEntityFormInterface::setFormDisplay
ContentEntityForm::showRevisionUi	protected	function	Checks whether the revision form fields should be added to the form.
ContentEntityForm::submitForm	public	function	This is the default entity object builder function. It is called before any other submit handler to build the new entity object to be used by the following submit handlers. At this point of the form workflow the entity is validated and the form state… Overrides EntityForm::submitForm	3
ContentEntityForm::updateChangedTime	public	function	Updates the changed time of the entity.
ContentEntityForm::updateFormLangcode	public	function	Updates the form language to reflect any change to the entity language.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
EntityForm::$entityTypeManager	protected	property	The entity type manager.	3
EntityForm::$moduleHandler	protected	property	The module handler service.
EntityForm::$operation	protected	property	The name of the current operation.
EntityForm::$privateEntityManager	private	property	The entity manager.
EntityForm::actionsElement	protected	function	Returns the action form element for the current entity form.
EntityForm::afterBuild	public	function	Form element #after_build callback: Updates the entity with submitted data.
EntityForm::getBaseFormId	public	function	Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId	5
EntityForm::getEntity	public	function	Gets the form entity. Overrides EntityFormInterface::getEntity
EntityForm::getEntityFromRouteMatch	public	function	Determines which entity will be used by this form from a RouteMatch object. Overrides EntityFormInterface::getEntityFromRouteMatch	1
EntityForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId	10
EntityForm::getOperation	public	function	Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::prepareInvokeAll	protected	function	Invokes the specified prepare hook variant.
EntityForm::processForm	public	function	Process callback: assigns weights and hides extra fields.
EntityForm::setEntity	public	function	Sets the form entity. Overrides EntityFormInterface::setEntity
EntityForm::setEntityManager	public	function	Sets the entity manager for this form. Overrides EntityFormInterface::setEntityManager
EntityForm::setEntityTypeManager	public	function	Sets the entity type manager for this form. Overrides EntityFormInterface::setEntityTypeManager
EntityForm::setModuleHandler	public	function	Sets the module handler for this form. Overrides EntityFormInterface::setModuleHandler
EntityForm::setOperation	public	function	Sets the operation for this form. Overrides EntityFormInterface::setOperation
EntityForm::__get	public	function
EntityForm::__set	public	function
FormBase::$configFactory	protected	property	The config factory.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
LinkGeneratorTrait::$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.
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.