class NodeForm in Drupal 9

Same name and namespace in other branches

8 core/modules/node/src/NodeForm.php \Drupal\node\NodeForm

Form handler for the node edit forms.

@internal

Hierarchy

class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\Core\Entity\EntityForm implements EntityFormInterface
  - class \Drupal\Core\Entity\ContentEntityForm implements ContentEntityFormInterface
    class \Drupal\node\NodeForm

Expanded class hierarchy of NodeForm

1 file declares its use of NodeForm

TestNodeFormOverride.php in core/modules/media_library/tests/modules/media_library_test/src/Form/TestNodeFormOverride.php

File

core/modules/node/src/NodeForm.php, line 20

Namespace

Drupal\node

View source

class NodeForm extends ContentEntityForm {

  /**
   * The tempstore factory.
   *
   * @var \Drupal\Core\TempStore\PrivateTempStoreFactory
   */
  protected $tempStoreFactory;

  /**
   * The Current User object.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

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

  /**
   * Constructs a NodeForm object.
   *
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository.
   * @param \Drupal\Core\TempStore\PrivateTempStoreFactory $temp_store_factory
   *   The factory for the temp store object.
   * @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\Core\Session\AccountInterface $current_user
   *   The current user.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   */
  public function __construct(EntityRepositoryInterface $entity_repository, PrivateTempStoreFactory $temp_store_factory, EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL, TimeInterface $time = NULL, AccountInterface $current_user, DateFormatterInterface $date_formatter) {
    parent::__construct($entity_repository, $entity_type_bundle_info, $time);
    $this->tempStoreFactory = $temp_store_factory;
    $this->currentUser = $current_user;
    $this->dateFormatter = $date_formatter;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.repository'), $container
      ->get('tempstore.private'), $container
      ->get('entity_type.bundle.info'), $container
      ->get('datetime.time'), $container
      ->get('current_user'), $container
      ->get('date.formatter'));
  }

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

    // Try to restore from temp store, this must be done before calling
    // parent::form().
    $store = $this->tempStoreFactory
      ->get('node_preview');

    // Attempt to load from preview when the uuid is present unless we are
    // rebuilding the form.
    $request_uuid = \Drupal::request()->query
      ->get('uuid');
    if (!$form_state
      ->isRebuilding() && $request_uuid && ($preview = $store
      ->get($request_uuid))) {

      /** @var \Drupal\Core\Form\FormStateInterface $preview */
      $form_state
        ->setStorage($preview
        ->getStorage());
      $form_state
        ->setUserInput($preview
        ->getUserInput());

      // Rebuild the form.
      $form_state
        ->setRebuild();

      // The combination of having user input and rebuilding the form means
      // that it will attempt to cache the form state which will fail if it is
      // a GET request.
      $form_state
        ->setRequestMethod('POST');
      $this->entity = $preview
        ->getFormObject()
        ->getEntity();
      $this->entity->in_preview = NULL;
      $form_state
        ->set('has_been_previewed', TRUE);
    }

    /** @var \Drupal\node\NodeInterface $node */
    $node = $this->entity;
    if ($this->operation == 'edit') {
      $form['#title'] = $this
        ->t('<em>Edit @type</em> @title', [
        '@type' => node_get_type_label($node),
        '@title' => $node
          ->label(),
      ]);
    }

    // Changed must be sent to the client, for later overwrite error checking.
    $form['changed'] = [
      '#type' => 'hidden',
      '#default_value' => $node
        ->getChangedTime(),
    ];
    $form = parent::form($form, $form_state);
    $form['advanced']['#attributes']['class'][] = 'entity-meta';
    $form['meta'] = [
      '#type' => 'details',
      '#group' => 'advanced',
      '#weight' => -10,
      '#title' => $this
        ->t('Status'),
      '#attributes' => [
        'class' => [
          'entity-meta__header',
        ],
      ],
      '#tree' => TRUE,
      '#access' => $this->currentUser
        ->hasPermission('administer nodes'),
    ];
    $form['meta']['published'] = [
      '#type' => 'item',
      '#markup' => $node
        ->isPublished() ? $this
        ->t('Published') : $this
        ->t('Not published'),
      '#access' => !$node
        ->isNew(),
      '#wrapper_attributes' => [
        'class' => [
          'entity-meta__title',
        ],
      ],
    ];
    $form['meta']['changed'] = [
      '#type' => 'item',
      '#title' => $this
        ->t('Last saved'),
      '#markup' => !$node
        ->isNew() ? $this->dateFormatter
        ->format($node
        ->getChangedTime(), 'short') : $this
        ->t('Not saved yet'),
      '#wrapper_attributes' => [
        'class' => [
          'entity-meta__last-saved',
        ],
      ],
    ];
    $form['meta']['author'] = [
      '#type' => 'item',
      '#title' => $this
        ->t('Author'),
      '#markup' => $node
        ->getOwner()
        ->getAccountName(),
      '#wrapper_attributes' => [
        'class' => [
          'entity-meta__author',
        ],
      ],
    ];
    $form['status']['#group'] = 'footer';

    // Node author information for administrators.
    $form['author'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Authoring information'),
      '#group' => 'advanced',
      '#attributes' => [
        'class' => [
          'node-form-author',
        ],
      ],
      '#attached' => [
        'library' => [
          'node/drupal.node',
        ],
      ],
      '#weight' => 90,
      '#optional' => TRUE,
    ];
    if (isset($form['uid'])) {
      $form['uid']['#group'] = 'author';
    }
    if (isset($form['created'])) {
      $form['created']['#group'] = 'author';
    }

    // Node options for administrators.
    $form['options'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Promotion options'),
      '#group' => 'advanced',
      '#attributes' => [
        'class' => [
          'node-form-options',
        ],
      ],
      '#attached' => [
        'library' => [
          'node/drupal.node',
        ],
      ],
      '#weight' => 95,
      '#optional' => TRUE,
    ];
    if (isset($form['promote'])) {
      $form['promote']['#group'] = 'options';
    }
    if (isset($form['sticky'])) {
      $form['sticky']['#group'] = 'options';
    }
    $form['#attached']['library'][] = 'node/form';
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state) {
    $element = parent::actions($form, $form_state);
    $node = $this->entity;
    $preview_mode = $node->type->entity
      ->getPreviewMode();
    $element['submit']['#access'] = $preview_mode != DRUPAL_REQUIRED || $form_state
      ->get('has_been_previewed');
    $element['preview'] = [
      '#type' => 'submit',
      '#access' => $preview_mode != DRUPAL_DISABLED && ($node
        ->access('create') || $node
        ->access('update')),
      '#value' => $this
        ->t('Preview'),
      '#weight' => 20,
      '#submit' => [
        '::submitForm',
        '::preview',
      ],
    ];
    if (array_key_exists('delete', $element)) {
      $element['delete']['#weight'] = 100;
    }
    return $element;
  }

  /**
   * Form submission handler for the 'preview' action.
   *
   * @param $form
   *   An associative array containing the structure of the form.
   * @param $form_state
   *   The current state of the form.
   */
  public function preview(array $form, FormStateInterface $form_state) {
    $store = $this->tempStoreFactory
      ->get('node_preview');
    $this->entity->in_preview = TRUE;
    $store
      ->set($this->entity
      ->uuid(), $form_state);
    $route_parameters = [
      'node_preview' => $this->entity
        ->uuid(),
      'view_mode_id' => 'full',
    ];
    $options = [];
    $query = $this
      ->getRequest()->query;
    if ($query
      ->has('destination')) {
      $options['query']['destination'] = $query
        ->get('destination');
      $query
        ->remove('destination');
    }
    $form_state
      ->setRedirect('entity.node.preview', $route_parameters, $options);
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $node = $this->entity;
    $insert = $node
      ->isNew();
    $node
      ->save();
    $node_link = $node
      ->toLink($this
      ->t('View'))
      ->toString();
    $context = [
      '@type' => $node
        ->getType(),
      '%title' => $node
        ->label(),
      'link' => $node_link,
    ];
    $t_args = [
      '@type' => node_get_type_label($node),
      '%title' => $node
        ->toLink()
        ->toString(),
    ];
    if ($insert) {
      $this
        ->logger('content')
        ->notice('@type: added %title.', $context);
      $this
        ->messenger()
        ->addStatus($this
        ->t('@type %title has been created.', $t_args));
    }
    else {
      $this
        ->logger('content')
        ->notice('@type: updated %title.', $context);
      $this
        ->messenger()
        ->addStatus($this
        ->t('@type %title has been updated.', $t_args));
    }
    if ($node
      ->id()) {
      $form_state
        ->setValue('nid', $node
        ->id());
      $form_state
        ->set('nid', $node
        ->id());
      if ($node
        ->access('view')) {
        $form_state
          ->setRedirect('entity.node.canonical', [
          'node' => $node
            ->id(),
        ]);
      }
      else {
        $form_state
          ->setRedirect('<front>');
      }

      // Remove the preview entry from the temp store, if any.
      $store = $this->tempStoreFactory
        ->get('node_preview');
      $store
        ->delete($node
        ->uuid());
    }
    else {

      // In the unlikely case something went wrong on save, the node will be
      // rebuilt and node form redisplayed the same way as in preview.
      $this
        ->messenger()
        ->addError($this
        ->t('The post could not be saved.'));
      $form_state
        ->setRebuild();
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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::buildEntity	public	function	Builds an updated entity object based upon the submitted form values. Overrides EntityForm::buildEntity	4
ContentEntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties. Overrides EntityForm::copyFormValuesToEntity
ContentEntityForm::flagViolations	protected	function	Flags violations for the current form.	4
ContentEntityForm::getBundleEntity	protected	function	Returns the bundle entity of the entity, or NULL if there is none.
ContentEntityForm::getEditedFieldNames	protected	function	Gets the names of all fields edited in the form.	4
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	4
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.
ContentEntityForm::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 FormBase::validateForm	3
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
EntityForm::$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::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::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm	13
EntityForm::getBaseFormId	public	function	Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId	6
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	3
EntityForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId	12
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::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
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
LoggerChannelTrait::$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::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
NodeForm::$currentUser	protected	property	The Current User object.
NodeForm::$dateFormatter	protected	property	The date formatter service.
NodeForm::$tempStoreFactory	protected	property	The tempstore factory.
NodeForm::actions	protected	function	Returns an array of supported actions for the current entity form. Overrides EntityForm::actions
NodeForm::create	public static	function	Instantiates a new instance of this class. Overrides ContentEntityForm::create
NodeForm::form	public	function	Gets the actual form array to be built. Overrides ContentEntityForm::form
NodeForm::preview	public	function	Form submission handler for the 'preview' action.
NodeForm::save	public	function	Form submission handler for the 'save' action. Overrides EntityForm::save
NodeForm::__construct	public	function	Constructs a NodeForm object. Overrides ContentEntityForm::__construct
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 NodeForm in Drupal 9

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