class MailchimpSignupForm in Mailchimp 8

Same name and namespace in other branches

2.x modules/mailchimp_signup/src/Form/MailchimpSignupForm.php \Drupal\mailchimp_signup\Form\MailchimpSignupForm

Form controller for the MailchimpSignup entity edit form.

@phpcs:disable Drupal.NamingConventions.ValidFunctionName.ScopeNotCamelCaps

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\mailchimp_signup\Form\MailchimpSignupForm uses StringTranslationTrait

Expanded class hierarchy of MailchimpSignupForm

File

modules/mailchimp_signup/src/Form/MailchimpSignupForm.php, line 24

Namespace

Drupal\mailchimp_signup\Form

View source

class MailchimpSignupForm extends EntityForm {
  use StringTranslationTrait;

  /**
   * The router builder service.
   *
   * @var \Drupal\Core\Routing\RouteBuilderInterface
   */
  protected $routerBuilder;

  /**
   * Constructs a MailchimpSignupForm object.
   *
   * @param \Drupal\Core\Routing\RouteBuilderInterface $router_builder
   *   The router builder service.
   */
  public function __construct(RouteBuilderInterface $router_builder) {
    $this->routerBuilder = $router_builder;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('router.builder'));
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);
    $signup = $this->entity;
    $form['title'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Title'),
      '#size' => 60,
      '#maxlength' => 60,
      '#default_value' => $signup->title,
      '#description' => $this
        ->t('The title for this signup form.'),
      '#required' => TRUE,
    ];
    $form['id'] = [
      '#type' => 'machine_name',
      '#default_value' => $signup->id,
      '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
      '#machine_name' => [
        'source' => [
          'title',
        ],
        'exists' => 'mailchimp_signup_load',
      ],
      '#description' => $this
        ->t('A unique machine-readable name for this audience. It must only contain lowercase letters, numbers, and underscores.'),
      '#disabled' => !$signup
        ->isNew(),
    ];
    $form['description'] = [
      '#type' => 'textarea',
      '#title' => 'Description',
      '#default_value' => isset($signup->settings['description']) ? $signup->settings['description'] : '',
      '#rows' => 2,
      '#maxlength' => 500,
      '#description' => $this
        ->t('This description will be shown on the signup form below the title. (500 characters or less)'),
    ];
    $mode_defaults = [
      MAILCHIMP_SIGNUP_BLOCK => [
        MAILCHIMP_SIGNUP_BLOCK,
      ],
      MAILCHIMP_SIGNUP_PAGE => [
        MAILCHIMP_SIGNUP_PAGE,
      ],
      MAILCHIMP_SIGNUP_BOTH => [
        MAILCHIMP_SIGNUP_BLOCK,
        MAILCHIMP_SIGNUP_PAGE,
      ],
    ];
    $form['mode'] = [
      '#type' => 'checkboxes',
      '#title' => 'Display Mode',
      '#required' => TRUE,
      '#options' => [
        MAILCHIMP_SIGNUP_BLOCK => 'Block',
        MAILCHIMP_SIGNUP_PAGE => 'Page',
      ],
      '#default_value' => !empty($signup->mode) && is_numeric($signup->mode) ? $mode_defaults[$signup->mode] : [],
    ];
    $form['settings'] = [
      '#type' => 'details',
      '#title' => 'Settings',
      '#tree' => TRUE,
      '#open' => TRUE,
    ];
    $form['settings']['path'] = [
      '#type' => 'textfield',
      '#title' => 'Page URL',
      '#description' => $this
        ->t('Path to the signup page. ie "newsletter/signup".'),
      '#default_value' => isset($signup->settings['path']) ? $signup->settings['path'] : NULL,
      '#states' => [
        // Hide unless needed.
        'visible' => [
          ':input[name="mode[' . MAILCHIMP_SIGNUP_PAGE . ']"]' => [
            'checked' => TRUE,
          ],
        ],
        'required' => [
          ':input[name="mode[' . MAILCHIMP_SIGNUP_PAGE . ']"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
    ];
    $form['settings']['submit_button'] = [
      '#type' => 'textfield',
      '#title' => 'Submit Button Label',
      '#required' => 'TRUE',
      '#default_value' => isset($signup->settings['submit_button']) ? $signup->settings['submit_button'] : 'Submit',
    ];
    $form['settings']['confirmation_message'] = [
      '#type' => 'textfield',
      '#title' => 'Confirmation Message',
      '#description' => $this
        ->t('This message will appear after a successful submission of this form. Leave blank for no message, but make sure you configure a destination in that case unless you really want to confuse your site visitors.'),
      '#default_value' => isset($signup->settings['confirmation_message']) ? $signup->settings['confirmation_message'] : 'You have been successfully subscribed.',
    ];
    $form['settings']['destination'] = [
      '#type' => 'textfield',
      '#title' => 'Form destination page',
      '#description' => $this
        ->t('Leave blank to stay on the form page.'),
      '#default_value' => isset($signup->settings['destination']) ? $signup->settings['destination'] : NULL,
    ];
    $form['settings']['ajax_submit'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('AJAX Form Submit Mode'),
      '#description' => $this
        ->t('Select if signup form submit should use AJAX instead of default page reload. Destination page will be ignored if checked.'),
      '#default_value' => isset($signup->settings['ajax_submit']) ? $signup->settings['ajax_submit'] : FALSE,
    ];
    $form['mc_lists_config'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Mailchimp Audience Selection & Configuration'),
      '#open' => TRUE,
    ];
    $lists = mailchimp_get_lists();
    $options = [];
    foreach ($lists as $mc_list) {
      $options[$mc_list->id] = $mc_list->name;
    }
    $mc_admin_url = Link::fromTextAndUrl('Mailchimp', Url::fromUri('https://admin.mailchimp.com', [
      'attributes' => [
        'target' => '_blank',
      ],
    ]));
    $form['mc_lists_config']['mc_lists'] = [
      '#type' => 'checkboxes',
      '#title' => $this
        ->t('Mailchimp Audiences'),
      '#description' => $this
        ->t('Select which audiences to show on your signup form. You can create additional audiences at @Mailchimp.', [
        '@Mailchimp' => $mc_admin_url
          ->toString(),
      ]),
      '#options' => $options,
      '#default_value' => is_array($signup->mc_lists) ? $signup->mc_lists : [],
      '#required' => TRUE,
      '#ajax' => [
        'callback' => '::mergefields_callback',
        'wrapper' => 'mergefields-wrapper',
        'method' => 'replace',
        'effect' => 'fade',
        'progress' => [
          'type' => 'throbber',
          'message' => $this
            ->t('Retrieving merge fields for this audience.'),
        ],
      ],
    ];
    $form['mc_lists_config']['mergefields'] = [
      '#prefix' => '<div id="mergefields-wrapper">',
      '#suffix' => '</div>',
    ];

    // Show merge fields if changing/editing audience fields.
    if ($form_state
      ->getValue('mc_lists') || !$signup
      ->isNew()) {
      $form['mc_lists_config']['mergefields'] = [
        '#type' => 'fieldset',
        '#title' => $this
          ->t('Merge Field Display'),
        '#description' => $this
          ->t('Select the merge fields to show on registration forms. Required fields are automatically displayed.'),
        '#id' => 'mergefields-wrapper',
        '#tree' => TRUE,
        '#weight' => 20,
      ];
      $mc_lists = $form_state
        ->getValue('mc_lists') ? $form_state
        ->getValue('mc_lists') : $signup->mc_lists;
      $mergevar_options = $this
        ->getMergevarOptions($mc_lists);
      foreach ($mergevar_options as $mergevar) {
        $form['mc_lists_config']['mergefields'][$mergevar->tag] = [
          '#type' => 'checkbox',
          '#title' => Html::escape($mergevar->name),
          '#default_value' => isset($signup->settings['mergefields'][$mergevar->tag]) ? !empty($signup->settings['mergefields'][$mergevar->tag]) : TRUE,
          '#required' => $mergevar->required,
          '#disabled' => $mergevar->required,
        ];
      }
    }
    $form['subscription_settings'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Subscription Settings'),
      '#open' => TRUE,
    ];
    $form['subscription_settings']['doublein'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Require subscribers to Double Opt-in'),
      '#description' => $this
        ->t('New subscribers will be sent a link with an email they must follow to confirm their subscription.'),
      '#default_value' => isset($signup->settings['doublein']) ? $signup->settings['doublein'] : FALSE,
    ];
    $form['subscription_settings']['include_interest_groups'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Include interest groups on subscription form.'),
      '#default_value' => isset($signup->settings['include_interest_groups']) ? $signup->settings['include_interest_groups'] : FALSE,
      '#description' => $this
        ->t('If set, subscribers will be able to select applicable interest groups on the signup form.'),
    ];
    $form['subscription_settings']['safe_interest_groups'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t("Don't opt-out of interest groups: only opt-in."),
      '#default_value' => isset($signup->settings['safe_interest_groups']) ? $signup->settings['safe_interest_groups'] : FALSE,
      '#description' => $this
        ->t('This is useful for "additive" form behavior, so a user adding a new interest will not have other interests removed from their Mailchimp subscription just because they failed to check the box again.'),
      '#states' => [
        // Hide unless needed.
        'visible' => [
          ':input[name="include_interest_groups"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
    ];
    $form['subscription_settings']['configure_groups'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Pre-configure interest groups'),
      '#default_value' => isset($signup->settings['configure_groups']) ? $signup->settings['configure_groups'] : FALSE,
      '#description' => $this
        ->t('If set, the end-user will not be able to select groups, but rather subscribe to the ones selected by default'),
      '#states' => [
        'visible' => [
          ':input[name="include_interest_groups"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
      '#ajax' => [
        'callback' => [
          $this,
          'configureInterestGroups',
        ],
        'wrapper' => 'interest-groups-container',
      ],
    ];
    $form['subscription_settings']['groups_container'] = [
      '#type' => 'container',
      '#title' => $this
        ->t('Configure interest groups'),
      '#prefix' => '<div id="interest-groups-container">',
      '#suffix' => '</div>',
      '#open' => TRUE,
      '#tree' => TRUE,
      '#states' => [
        'visible' => [
          ':input[name="configure_groups"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
    ];
    $form['subscription_settings']['gdpr_consent'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Add a GDPR consent checkbox'),
      '#description' => $this
        ->t('Add a GDPR consent checkbox to the signup form that syncs with the Mailchimp marketing permission field.'),
      '#default_value' => isset($signup->settings['gdpr_consent']) ? $signup->settings['gdpr_consent'] : FALSE,
    ];
    $form['subscription_settings']['gdpr_checkbox_label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Consent checkbox label'),
      '#description' => $this
        ->t('The label to display on the GDPR consent checkbox, for example "I agree to the privacy policy". This should coincide with what you have in Mailchimp!'),
      '#default_value' => isset($signup->settings['gdpr_checkbox_label']) ? $signup->settings['gdpr_checkbox_label'] : NULL,
      '#states' => [
        // Hide unless needed.
        'visible' => [
          ':input[name="gdpr_consent"]' => [
            'checked' => TRUE,
          ],
        ],
        'required' => [
          ':input[name="gdpr_consent"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
    ];
    $form['subscription_settings']['gdpr_consent_required'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('GDPR consent required'),
      '#description' => $this
        ->t('Make the GDPR consent checkbox a required field.'),
      '#default_value' => isset($signup->settings['gdpr_consent_required']) ? $signup->settings['gdpr_consent_required'] : FALSE,
      '#states' => [
        // Hide unless needed.
        'visible' => [
          ':input[name="gdpr_consent"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
    ];

    // An empty array as a default value for all of the interest groups.
    $groups = [];
    $configure_groups = FALSE;
    if (isset($signup->settings['configure_groups']) && $signup->settings['configure_groups']) {
      $configure_groups = TRUE;
    }
    if ($form_state
      ->getValue('configure_groups') || $configure_groups) {

      // Grab a reference to the selected list - either when an AJAX
      // callback is executed or when we are in "Edit" mode.
      if (!($selected_lists = $form_state
        ->getValue('mc_lists'))) {
        $selected_lists = $signup->mc_lists;
      }
      if ($selected_lists && is_array($selected_lists)) {

        // We don't want to query the API for all lists
        // besides the one selected, so we filter them out.
        $selected_lists = array_filter($selected_lists);

        // Default value for the list-specific groups.
        if (!($groups_items = $signup->settings['group_items'])) {
          $groups_items = [];
        }

        // Grab a reference to each list using the module built-in function.
        foreach (mailchimp_get_lists($selected_lists) as $list) {
          $default = [];

          // If we have some items already selected - add them to the
          // default array so that they are selected in case we
          // trigger another AJAX callback.
          if (array_key_exists($list->id, $groups_items)) {
            $default = $groups_items[$list->id];
          }

          // Merge the lists for each of the selected groups here and return
          // a renderable array for the form to display.
          // We need to do this here, in case there is more than 1 list selected
          // and we need to return the interest groups for all of them.
          $groups = array_merge($groups, [
            $list->id => mailchimp_interest_groups_form_elements($list, $default, NULL, 'admin'),
          ]);
        }
      }
    }
    $form['subscription_settings']['groups_container']['items'] = $groups;
    return $form;
  }

  /**
   * AJAX callback handler for the interest groups.
   */
  public function configureInterestGroups(array &$form, FormStateInterface $form_state) {
    return $form['subscription_settings']['groups_container'];
  }

  /**
   * AJAX callback handler for MailchimpSignupForm.
   */
  public function mergefields_callback(&$form, FormStateInterface $form_state) {

    // We can return either a form element here (default functionality) or
    // an instance of the AjaxResponse with the appropriate commands
    // to be executed.
    $response = new AjaxResponse();

    // This one acts as a replacement for the original return value that
    // was defined here beforehand. Simply replace the merge fields
    // for each of the selected mailing lists.
    $response
      ->addCommand(new HtmlCommand('#mergefields-wrapper', $form['mc_lists_config']['mergefields']));

    // This one here is coupled to the functionality for the interest groups.
    // It's required because of the following scenarion:
    // The Ajax callback mapped to the "configure_groups" checkbox is triggered
    // once the checkbox is selected, thus loading the interest groups for all
    // of the selected mailing lists. But in case a user tries to select a
    // mailing list afterwards, the callback will no longer execute. So we
    // can add a new command to replace the list in that container.
    if ($form_state
      ->getValue('configure_groups')) {
      $response
        ->addCommand(new HtmlCommand('#interest-groups-container', $form['subscription_settings']['groups_container']));
    }
    return $response;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $mode = $form_state
      ->getValue('mode');

    /* @var $signup \Drupal\mailchimp_signup\Entity\MailchimpSignup */
    $signup = $this
      ->getEntity();
    $signup->mode = array_sum($mode);
    $mergefields = $form_state
      ->getValue('mergefields', []);
    $mc_lists = $form_state
      ->getValue('mc_lists') ? $form_state
      ->getValue('mc_lists') : $signup->mc_lists;
    $mergevar_options = $this
      ->getMergevarOptions($mc_lists);
    foreach ($mergefields as $id => $val) {
      if ($val) {

        // Can't store objects in configuration; serialize this.
        $mergefields[$id] = serialize($mergevar_options[$id]);
      }
    }

    // This can occur when the form is submitted without JS enabled.
    if (!isset($signup->mergefields)) {
      $signup->mergefields['EMAIL'] = TRUE;
    }
    if (empty($mergefields)) {
      $mergefields['EMAIL'] = serialize($mergevar_options['EMAIL']);
    }
    $signup->settings['mergefields'] = $mergefields;
    $signup->settings['description'] = $form_state
      ->getValue('description');
    $signup->settings['doublein'] = $form_state
      ->getValue('doublein');
    $signup->settings['include_interest_groups'] = $form_state
      ->getValue('include_interest_groups');
    $signup->settings['safe_interest_groups'] = $form_state
      ->getValue('safe_interest_groups');
    $signup->settings['configure_groups'] = $form_state
      ->getValue('configure_groups');
    $signup->settings['gdpr_consent'] = $form_state
      ->getValue('gdpr_consent');
    $signup->settings['gdpr_checkbox_label'] = $form_state
      ->getValue('gdpr_checkbox_label');
    $signup->settings['gdpr_consent_required'] = $form_state
      ->getValue('gdpr_consent_required');
    $groups_items = [];
    $groups_settings = $form_state
      ->getValue('groups_container');
    if (isset($groups_settings['items'])) {
      $signup->settings['group_items'] = $groups_settings['items'];
    }

    // Clear path value if mode doesn't include signup page.
    if (!isset($mode[MAILCHIMP_SIGNUP_PAGE])) {
      $signup->settings['path'] = '';
    }
    $signup
      ->save();
    $this->routerBuilder
      ->setRebuildNeeded();
    $form_state
      ->setRedirect('mailchimp_signup.admin');
  }

  /**
   * Determines if a signup exists.
   *
   * @param string $id
   *   The signup ID.
   *
   * @return bool
   *   Whether or not the signup exists.
   */
  public function exist($id) {
    $entity = $this->entityTypeManager
      ->getStorage('mailchimp_signup')
      ->getQuery()
      ->condition('id', $id)
      ->execute();
    return (bool) $entity;
  }

  /**
   * Gets the mergevar options for the given lists.
   *
   * @param array $mc_lists
   *   An array of list names.
   *
   * @return array
   *   The mergevar options for the given lists.
   */
  private function getMergevarOptions(array $mc_lists) {
    $mergevar_settings = mailchimp_get_mergevars(array_filter($mc_lists));
    $mergevar_options = [];
    foreach ($mergevar_settings as $list_mergevars) {
      foreach ($list_mergevars as $mergevar) {
        if (isset($mergevar->public) && $mergevar->public) {
          $mergevar_options[$mergevar->tag] = $mergevar;
        }
      }
    }
    return $mergevar_options;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
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
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::actions	protected	function	Returns an array of supported actions for the current entity form.	29
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::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm	10
EntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties	7
EntityForm::getBaseFormId	public	function	Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId	5
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	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::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 FormInterface::submitForm	17
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::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. 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.
MailchimpSignupForm::$routerBuilder	protected	property	The router builder service.
MailchimpSignupForm::configureInterestGroups	public	function	AJAX callback handler for the interest groups.
MailchimpSignupForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
MailchimpSignupForm::exist	public	function	Determines if a signup exists.
MailchimpSignupForm::form	public	function	Gets the actual form array to be built. Overrides EntityForm::form
MailchimpSignupForm::getMergevarOptions	private	function	Gets the mergevar options for the given lists.
MailchimpSignupForm::mergefields_callback	public	function	AJAX callback handler for MailchimpSignupForm.
MailchimpSignupForm::save	public	function	Form submission handler for the 'save' action. Overrides EntityForm::save
MailchimpSignupForm::__construct	public	function	Constructs a MailchimpSignupForm object.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
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.	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
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 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.

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class MailchimpSignupForm in Mailchimp 8

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