class ParagraphsTypeDeleteConfirm in Paragraphs 8

Provides a form for Paragraphs type deletion.

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\EntityConfirmFormBase implements ConfirmFormInterface
      • class \Drupal\Core\Entity\EntityDeleteForm uses EntityDeleteFormTrait
        • class \Drupal\paragraphs\Form\ParagraphsTypeDeleteConfirm

File

src/Form/ParagraphsTypeDeleteConfirm.php, line 12

Namespace

Drupal\paragraphs\Form

class ParagraphsTypeDeleteConfirm extends EntityDeleteForm {

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $num_paragraphs = $this->entityTypeManager
      ->getStorage('paragraph')
      ->getQuery()
      ->condition('type', $this->entity
      ->id())
      ->count()
      ->execute();
    if ($num_paragraphs) {
      $caption = '<p>' . $this
        ->formatPlural($num_paragraphs, '%type Paragraphs type is used by 1 piece of content on your site. You can not remove this %type Paragraphs type until you have removed all from the content.', '%type Paragraphs type is used by @count pieces of content on your site. You may not remove %type Paragraphs type until you have removed all from the content.', [
        '%type' => $this->entity
          ->label(),
      ]) . '</p>';
      $form['#title'] = $this
        ->getQuestion();
      $form['description'] = [
        '#markup' => $caption,
      ];

      // Optional to delete existing entities.
      $form['delete_entities'] = [
        '#type' => 'submit',
        '#submit' => [
          [
            $this,
            'deleteExistingEntities',
          ],
        ],
        '#value' => $this
          ->formatPlural($num_paragraphs, 'Delete existing Paragraph', 'Delete all @count existing Paragraphs'),
      ];
      return $form;
    }
    return parent::buildForm($form, $form_state);
  }

  /**
   * Form submit callback to delete paragraphs.
   *
   * @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 deleteExistingEntities(array $form, FormStateInterface $form_state) {
    $storage = $this->entityTypeManager
      ->getStorage('paragraph');
    $ids = $storage
      ->getQuery()
      ->condition('type', $this->entity
      ->id())
      ->execute();
    if (!empty($ids)) {
      $paragraphs = Paragraph::loadMultiple($ids);

      // Delete existing entities.
      $storage
        ->delete($paragraphs);
      $this
        ->messenger()
        ->addMessage($this
        ->formatPlural(count($paragraphs), 'Entity is successfully deleted.', 'All @count entities are successfully deleted.'));
    }

    // Set form to rebuild.
    $form_state
      ->setRebuild();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConfigDependencyDeleteFormTrait::addDependencyListsToForm	protected	function	Adds form elements to list affected configuration entities.
ConfigDependencyDeleteFormTrait::t	abstract protected	function	Translates a string to the current language or to a given 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
EntityConfirmFormBase::actions	protected	function	Returns an array of supported actions for the current entity form. Overrides EntityForm::actions	1
EntityConfirmFormBase::delete	public	function	The delete() method is not used in EntityConfirmFormBase. This overrides the default implementation that redirects to the delete-form confirmation form.
EntityConfirmFormBase::getBaseFormId	public	function	Returns a string identifying the base form. Overrides EntityForm::getBaseFormId
EntityConfirmFormBase::getCancelText	public	function	Returns a caption for the link which cancels the action. Overrides ConfirmFormInterface::getCancelText
EntityConfirmFormBase::getDescription	public	function	Returns additional text to display as a description. Overrides ConfirmFormInterface::getDescription	10
EntityConfirmFormBase::getFormName	public	function	Returns the internal name used to refer to the confirmation item. Overrides ConfirmFormInterface::getFormName
EntityConfirmFormBase::save	public	function	The save() method is not used in EntityConfirmFormBase. This overrides the default implementation that saves the entity. Overrides EntityForm::save
EntityDeleteForm::getConfigManager	protected	function	Gets the configuration manager.
EntityDeleteForm::getConfigNamesToDelete	protected	function	Returns config names to delete for the deletion confirmation form.	1
EntityDeleteFormTrait::getCancelUrl	public	function		3
EntityDeleteFormTrait::getConfirmText	public	function		1
EntityDeleteFormTrait::getDeletionMessage	protected	function	Gets the message to display to the user after deleting the entity.	3
EntityDeleteFormTrait::getEntity	abstract public	function	Gets the entity of this form.
EntityDeleteFormTrait::getQuestion	public	function		4
EntityDeleteFormTrait::getRedirectUrl	protected	function	Returns the URL where the user should be redirected after deletion.	5
EntityDeleteFormTrait::logDeletionMessage	protected	function	Logs a message about the deleted entity.	2
EntityDeleteFormTrait::logger	abstract protected	function	Gets the logger for a specific channel.
EntityDeleteFormTrait::submitForm	public	function		4
EntityForm::$entity	protected	property	The entity being used by this form.	7
EntityForm::$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::buildEntity	public	function	Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity	2
EntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties	7
EntityForm::form	public	function	Gets the actual form array to be built.	30
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::init	protected	function	Initialize the form state and the entity before the first form build.	3
EntityForm::prepareEntity	protected	function	Prepares the entity object before the form is built first.	3
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::$requestStack	protected	property	The request stack.	1
FormBase::$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::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	87
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::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::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
ParagraphsTypeDeleteConfirm::buildForm	public	function	Form constructor. Overrides EntityDeleteForm::buildForm
ParagraphsTypeDeleteConfirm::deleteExistingEntities	public	function	Form submit callback to delete paragraphs.
RedirectDestinationTrait::$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::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
UrlGeneratorTrait::$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.