class NodeRevisionDeleteForm in Drupal 9

Same name and namespace in other branches

8 core/modules/node/src/Form/NodeRevisionDeleteForm.php \Drupal\node\Form\NodeRevisionDeleteForm

Provides a form for deleting a node revision.

@internal

Hierarchy

class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\Core\Form\ConfirmFormBase implements ConfirmFormInterface
  - class \Drupal\node\Form\NodeRevisionDeleteForm

Expanded class hierarchy of NodeRevisionDeleteForm

1 string reference to 'NodeRevisionDeleteForm'

node.routing.yml in core/modules/node/node.routing.yml: core/modules/node/node.routing.yml

File

core/modules/node/src/Form/NodeRevisionDeleteForm.php, line 19

Namespace

Drupal\node\Form

View source

class NodeRevisionDeleteForm extends ConfirmFormBase {

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

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

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

  /**
   * The database connection.
   *
   * @var \Drupal\Core\Database\Connection
   */
  protected $connection;

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

  /**
   * Constructs a new NodeRevisionDeleteForm.
   *
   * @param \Drupal\Core\Entity\EntityStorageInterface $node_storage
   *   The node storage.
   * @param \Drupal\Core\Entity\EntityStorageInterface $node_type_storage
   *   The node type storage.
   * @param \Drupal\Core\Database\Connection $connection
   *   The database connection.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   */
  public function __construct(EntityStorageInterface $node_storage, EntityStorageInterface $node_type_storage, Connection $connection, DateFormatterInterface $date_formatter) {
    $this->nodeStorage = $node_storage;
    $this->nodeTypeStorage = $node_type_storage;
    $this->connection = $connection;
    $this->dateFormatter = $date_formatter;
  }

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

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

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

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

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return $this
      ->t('Delete');
  }

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

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->nodeStorage
      ->deleteRevision($this->revision
      ->getRevisionId());
    $this
      ->logger('content')
      ->notice('@type: deleted %title revision %revision.', [
      '@type' => $this->revision
        ->bundle(),
      '%title' => $this->revision
        ->label(),
      '%revision' => $this->revision
        ->getRevisionId(),
    ]);
    $node_type = $this->nodeTypeStorage
      ->load($this->revision
      ->bundle())
      ->label();
    $this
      ->messenger()
      ->addStatus($this
      ->t('Revision from %revision-date of @type %title has been deleted.', [
      '%revision-date' => $this->dateFormatter
        ->format($this->revision
        ->getRevisionCreationTime()),
      '@type' => $node_type,
      '%title' => $this->revision
        ->label(),
    ]));
    $form_state
      ->setRedirect('entity.node.canonical', [
      'node' => $this->revision
        ->id(),
    ]);
    if ($this->connection
      ->query('SELECT COUNT(DISTINCT [vid]) FROM {node_field_revision} WHERE [nid] = :nid', [
      ':nid' => $this->revision
        ->id(),
    ])
      ->fetchField() > 1) {
      $form_state
        ->setRedirect('entity.node.version_history', [
        'node' => $this->revision
          ->id(),
      ]);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConfirmFormBase::getCancelText	public	function	Returns a caption for the link which cancels the action. Overrides ConfirmFormInterface::getCancelText	2
ConfirmFormBase::getDescription	public	function	Returns additional text to display as a description. Overrides ConfirmFormInterface::getDescription	14
ConfirmFormBase::getFormName	public	function	Returns the internal name used to refer to the confirmation item. Overrides ConfirmFormInterface::getFormName
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	72
LoggerChannelTrait::$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::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
NodeRevisionDeleteForm::$connection	protected	property	The database connection.
NodeRevisionDeleteForm::$dateFormatter	protected	property	The date formatter service.
NodeRevisionDeleteForm::$nodeStorage	protected	property	The node storage.
NodeRevisionDeleteForm::$nodeTypeStorage	protected	property	The node type storage.
NodeRevisionDeleteForm::$revision	protected	property	The node revision.
NodeRevisionDeleteForm::buildForm	public	function	Form constructor. Overrides ConfirmFormBase::buildForm
NodeRevisionDeleteForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
NodeRevisionDeleteForm::getCancelUrl	public	function	Returns the route to go to if the user cancels the action. Overrides ConfirmFormInterface::getCancelUrl
NodeRevisionDeleteForm::getConfirmText	public	function	Returns a caption for the button that confirms the action. Overrides ConfirmFormBase::getConfirmText
NodeRevisionDeleteForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
NodeRevisionDeleteForm::getQuestion	public	function	Returns the question to ask the user. Overrides ConfirmFormInterface::getQuestion
NodeRevisionDeleteForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
NodeRevisionDeleteForm::__construct	public	function	Constructs a new NodeRevisionDeleteForm.
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.	4
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.

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class NodeRevisionDeleteForm in Drupal 9

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