class MessageForm in Drupal 9

Same name and namespace in other branches

8 core/modules/contact/src/MessageForm.php \Drupal\contact\MessageForm

Form controller for contact message 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\contact\MessageForm

Expanded class hierarchy of MessageForm

File

core/modules/contact/src/MessageForm.php, line 20

Namespace

Drupal\contact

View source

class MessageForm extends ContentEntityForm {

  /**
   * The message being used by this form.
   *
   * @var \Drupal\contact\MessageInterface
   */
  protected $entity;

  /**
   * The flood control mechanism.
   *
   * @var \Drupal\Core\Flood\FloodInterface
   */
  protected $flood;

  /**
   * The language manager service.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * The contact mail handler service.
   *
   * @var \Drupal\contact\MailHandlerInterface
   */
  protected $mailHandler;

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

  /**
   * Constructs a MessageForm object.
   *
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
   *   The entity repository.
   * @param \Drupal\Core\Flood\FloodInterface $flood
   *   The flood control mechanism.
   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
   *   The language manager service.
   * @param \Drupal\contact\MailHandlerInterface $mail_handler
   *   The contact mail handler service.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date service.
   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
   *   The entity type bundle service.
   * @param \Drupal\Component\Datetime\TimeInterface $time
   *   The time service.
   */
  public function __construct(EntityRepositoryInterface $entity_repository, FloodInterface $flood, LanguageManagerInterface $language_manager, MailHandlerInterface $mail_handler, DateFormatterInterface $date_formatter, EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL, TimeInterface $time = NULL) {
    parent::__construct($entity_repository, $entity_type_bundle_info, $time);
    $this->flood = $flood;
    $this->languageManager = $language_manager;
    $this->mailHandler = $mail_handler;
    $this->dateFormatter = $date_formatter;
  }

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

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $user = $this
      ->currentUser();
    $message = $this->entity;
    $form = parent::form($form, $form_state, $message);
    $form['#attributes']['class'][] = 'contact-form';
    if (!empty($message->preview)) {
      $form['preview'] = [
        '#theme_wrappers' => [
          'container__preview',
        ],
        '#attributes' => [
          'class' => [
            'preview',
          ],
        ],
      ];
      $form['preview']['message'] = $this->entityTypeManager
        ->getViewBuilder('contact_message')
        ->view($message, 'full');
    }
    $form['name'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Your name'),
      '#maxlength' => 255,
      '#required' => TRUE,
    ];
    $form['mail'] = [
      '#type' => 'email',
      '#title' => $this
        ->t('Your email address'),
      '#required' => TRUE,
    ];
    if ($user
      ->isAnonymous()) {
      $form['#attached']['library'][] = 'core/drupal.form';
      $form['#attributes']['data-user-info-from-browser'] = TRUE;
    }
    else {
      $form['name']['#type'] = 'item';
      $form['name']['#value'] = $user
        ->getDisplayName();
      $form['name']['#required'] = FALSE;
      $form['name']['#plain_text'] = $user
        ->getDisplayName();
      $form['mail']['#type'] = 'item';
      $form['mail']['#value'] = $user
        ->getEmail();
      $form['mail']['#required'] = FALSE;
      $form['mail']['#plain_text'] = $user
        ->getEmail();
    }

    // The user contact form has a preset recipient.
    if ($message
      ->isPersonal()) {
      $form['recipient'] = [
        '#type' => 'item',
        '#title' => $this
          ->t('To'),
        '#value' => $message
          ->getPersonalRecipient()
          ->id(),
        'name' => [
          '#theme' => 'username',
          '#account' => $message
            ->getPersonalRecipient(),
        ],
      ];
    }
    $form['copy'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Send yourself a copy'),
      // Do not allow anonymous users to send themselves a copy, because it can
      // be abused to spam people.
      '#access' => $user
        ->isAuthenticated(),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function actions(array $form, FormStateInterface $form_state) {
    $elements = parent::actions($form, $form_state);
    $elements['submit']['#value'] = $this
      ->t('Send message');
    $elements['preview'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Preview'),
      '#submit' => [
        '::submitForm',
        '::preview',
      ],
      '#access' => !empty($form_state
        ->getStorage()['form_display']
        ->getComponent('preview')),
    ];
    return $elements;
  }

  /**
   * Form submission handler for the 'preview' action.
   */
  public function preview(array $form, FormStateInterface $form_state) {
    $message = $this->entity;
    $message->preview = TRUE;
    $form_state
      ->setRebuild();
  }

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

    // Check if flood control has been activated for sending emails.
    if (!$this
      ->currentUser()
      ->hasPermission('administer contact forms') && (!$message
      ->isPersonal() || !$this
      ->currentUser()
      ->hasPermission('administer users'))) {
      $limit = $this
        ->config('contact.settings')
        ->get('flood.limit');
      $interval = $this
        ->config('contact.settings')
        ->get('flood.interval');
      if (!$this->flood
        ->isAllowed('contact', $limit, $interval)) {
        $form_state
          ->setErrorByName('', $this
          ->t('You cannot send more than %limit messages in @interval. Try again later.', [
          '%limit' => $limit,
          '@interval' => $this->dateFormatter
            ->formatInterval($interval),
        ]));
      }
    }
    return $message;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $message = $this->entity;
    $user = $this
      ->currentUser();

    // Save the message. In core this is a no-op but should contrib wish to
    // implement message storage, this will make the task of swapping in a real
    // storage controller straight-forward.
    $message
      ->save();
    $this->mailHandler
      ->sendMailMessages($message, $user);
    $contact_form = $message
      ->getContactForm();
    $this->flood
      ->register('contact', $this
      ->config('contact.settings')
      ->get('flood.interval'));
    if ($submission_message = $contact_form
      ->getMessage()) {
      $this
        ->messenger()
        ->addStatus($submission_message);
    }

    // To avoid false error messages caused by flood control, redirect away from
    // the contact form; either to the contacted user account or the front page.
    if ($message
      ->isPersonal() && $user
      ->hasPermission('access user profiles')) {
      $form_state
        ->setRedirectUrl($message
        ->getPersonalRecipient()
        ->toUrl());
    }
    else {
      $form_state
        ->setRedirectUrl($contact_form
        ->getRedirectUrl());
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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.
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.
MessageForm::$dateFormatter	protected	property	The date formatter service.
MessageForm::$entity	protected	property	The message being used by this form. Overrides ContentEntityForm::$entity
MessageForm::$flood	protected	property	The flood control mechanism.
MessageForm::$languageManager	protected	property	The language manager service.
MessageForm::$mailHandler	protected	property	The contact mail handler service.
MessageForm::actions	public	function	Returns an array of supported actions for the current entity form. Overrides EntityForm::actions
MessageForm::create	public static	function	Instantiates a new instance of this class. Overrides ContentEntityForm::create
MessageForm::form	public	function	Gets the actual form array to be built. Overrides ContentEntityForm::form
MessageForm::preview	public	function	Form submission handler for the 'preview' action.
MessageForm::save	public	function	Form submission handler for the 'save' action. Overrides EntityForm::save
MessageForm::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
MessageForm::__construct	public	function	Constructs a MessageForm object. Overrides ContentEntityForm::__construct
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$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.	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.

You are here

class MessageForm in Drupal 9

Hierarchy

File

Namespace

Members

API Navigation