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class NodeRevisionRevertForm in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/node/src/Form/NodeRevisionRevertForm.php \Drupal\node\Form\NodeRevisionRevertForm

Provides a form for reverting a node revision.

Hierarchy

Expanded class hierarchy of NodeRevisionRevertForm

1 string reference to 'NodeRevisionRevertForm'
node.routing.yml in core/modules/node/node.routing.yml
core/modules/node/node.routing.yml

File

core/modules/node/src/Form/NodeRevisionRevertForm.php, line 21
Contains \Drupal\node\Form\NodeRevisionRevertForm.

Namespace

Drupal\node\Form
View source 
class NodeRevisionRevertForm extends ConfirmFormBase {

  /**
   * The node revision.
   *
   * @var \Drupal\node\NodeInterface
   */
  protected $revision;

  /**
   * The node storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $nodeStorage;

  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatter
   */
  protected $dateFormatter;

  /**
   * Constructs a new NodeRevisionRevertForm.
   *
   * @param \Drupal\Core\Entity\EntityStorageInterface $node_storage
   *   The node storage.
   * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
   *   The date formatter service.
   */
  public function __construct(EntityStorageInterface $node_storage, DateFormatter $date_formatter) {
    $this->nodeStorage = $node_storage;
    $this->dateFormatter = $date_formatter;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.manager')
      ->getStorage('node'), $container
      ->get('date.formatter'));
  }

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

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return t('Are you sure you want to revert to the revision from %revision-date?', [
      '%revision-date' => $this->dateFormatter
        ->format($this->revision
        ->getRevisionCreationTime()),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.node.version_history', array(
      'node' => $this->revision
        ->id(),
    ));
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return t('Revert');
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $node_revision = NULL) {
    $this->revision = $this->nodeStorage
      ->loadRevision($node_revision);
    $form = parent::buildForm($form, $form_state);
    return $form;
  }

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

    // The revision timestamp will be updated when the revision is saved. Keep
    // the original one for the confirmation message.
    $original_revision_timestamp = $this->revision
      ->getRevisionCreationTime();
    $this->revision = $this
      ->prepareRevertedRevision($this->revision, $form_state);
    $this->revision->revision_log = t('Copy of the revision from %date.', [
      '%date' => $this->dateFormatter
        ->format($original_revision_timestamp),
    ]);
    $this->revision
      ->save();
    $this
      ->logger('content')
      ->notice('@type: reverted %title revision %revision.', [
      '@type' => $this->revision
        ->bundle(),
      '%title' => $this->revision
        ->label(),
      '%revision' => $this->revision
        ->getRevisionId(),
    ]);
    drupal_set_message(t('@type %title has been reverted to the revision from %revision-date.', [
      '@type' => node_get_type_label($this->revision),
      '%title' => $this->revision
        ->label(),
      '%revision-date' => $this->dateFormatter
        ->format($original_revision_timestamp),
    ]));
    $form_state
      ->setRedirect('entity.node.version_history', array(
      'node' => $this->revision
        ->id(),
    ));
  }

  /**
   * Prepares a revision to be reverted.
   *
   * @param \Drupal\node\NodeInterface $revision
   *   The revision to be reverted.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   *
   * @return \Drupal\node\NodeInterface
   *   The prepared revision ready to be stored.
   */
  protected function prepareRevertedRevision(NodeInterface $revision, FormStateInterface $form_state) {
    $revision
      ->setNewRevision();
    $revision
      ->isDefaultRevision(TRUE);
    return $revision;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ConfirmFormBase::getCancelText public function Returns a caption for the link which cancels the action. Overrides ConfirmFormInterface::getCancelText 2
ConfirmFormBase::getFormName public function Returns the internal name used to refer to the confirmation item. Overrides ConfirmFormInterface::getFormName
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::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form. 3
FormBase::container private function Returns the service container.
FormBase::currentUser protected function Gets the current user.
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::logger protected function Gets the logger for a specific channel.
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
FormBase::validateForm public function Form validation handler. Overrides FormInterface::validateForm 64
LinkGeneratorTrait::$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.
NodeRevisionRevertForm::$dateFormatter protected property The date formatter service.
NodeRevisionRevertForm::$nodeStorage protected property The node storage.
NodeRevisionRevertForm::$revision protected property The node revision.
NodeRevisionRevertForm::buildForm public function Form constructor. Overrides ConfirmFormBase::buildForm 1
NodeRevisionRevertForm::create public static function Instantiates a new instance of this class. Overrides FormBase::create 1
NodeRevisionRevertForm::getCancelUrl public function Returns the route to go to if the user cancels the action. Overrides ConfirmFormInterface::getCancelUrl
NodeRevisionRevertForm::getConfirmText public function Returns a caption for the button that confirms the action. Overrides ConfirmFormBase::getConfirmText
NodeRevisionRevertForm::getDescription public function Returns additional text to display as a description. Overrides ConfirmFormBase::getDescription 1
NodeRevisionRevertForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId 1
NodeRevisionRevertForm::getQuestion public function Returns the question to ask the user. Overrides ConfirmFormInterface::getQuestion 1
NodeRevisionRevertForm::prepareRevertedRevision protected function Prepares a revision to be reverted. 1
NodeRevisionRevertForm::submitForm public function Form submission handler. Overrides FormInterface::submitForm
NodeRevisionRevertForm::__construct public function Constructs a new NodeRevisionRevertForm. 1
RedirectDestinationTrait::$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.
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.