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class CommentDefaultFormatter in Drupal 9

Same name and namespace in other branches
  1. 8 core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php \Drupal\comment\Plugin\Field\FieldFormatter\CommentDefaultFormatter

Provides a default comment formatter.

Plugin annotation


@FieldFormatter(
  id = "comment_default",
  module = "comment",
  label = @Translation("Comment list"),
  field_types = {
    "comment"
  },
  quickedit = {
    "editor" = "disabled"
  }
)

Hierarchy

Expanded class hierarchy of CommentDefaultFormatter

File

core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php, line 33

Namespace

Drupal\comment\Plugin\Field\FieldFormatter
View source 
class CommentDefaultFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'view_mode' => 'default',
      'pager_id' => 0,
    ] + parent::defaultSettings();
  }

  /**
   * The comment storage.
   *
   * @var \Drupal\comment\CommentStorageInterface
   */
  protected $storage;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * The comment render controller.
   *
   * @var \Drupal\Core\Entity\EntityViewBuilderInterface
   */
  protected $viewBuilder;

  /**
   * The entity display repository.
   *
   * @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface
   */
  protected $entityDisplayRepository;

  /**
   * The entity form builder.
   *
   * @var \Drupal\Core\Entity\EntityFormBuilderInterface
   */
  protected $entityFormBuilder;

  /**
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $routeMatch;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $container
      ->get('current_user'), $container
      ->get('entity_type.manager'), $container
      ->get('entity.form_builder'), $container
      ->get('current_route_match'), $container
      ->get('entity_display.repository'));
  }

  /**
   * Constructs a new CommentDefaultFormatter.
   *
   * @param string $plugin_id
   *   The plugin_id for the formatter.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
   *   The definition of the field to which the formatter is associated.
   * @param array $settings
   *   The formatter settings.
   * @param string $label
   *   The formatter label display setting.
   * @param string $view_mode
   *   The view mode.
   * @param array $third_party_settings
   *   Third party settings.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current user.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Entity\EntityFormBuilderInterface $entity_form_builder
   *   The entity form builder.
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The route match object.
   * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
   *   The entity display repository.
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, AccountInterface $current_user, EntityTypeManagerInterface $entity_type_manager, EntityFormBuilderInterface $entity_form_builder, RouteMatchInterface $route_match, EntityDisplayRepositoryInterface $entity_display_repository) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
    $this->viewBuilder = $entity_type_manager
      ->getViewBuilder('comment');
    $this->storage = $entity_type_manager
      ->getStorage('comment');
    $this->currentUser = $current_user;
    $this->entityFormBuilder = $entity_form_builder;
    $this->routeMatch = $route_match;
    $this->entityDisplayRepository = $entity_display_repository;
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    $output = [];
    $field_name = $this->fieldDefinition
      ->getName();
    $entity = $items
      ->getEntity();
    $status = $items->status;
    if ($status != CommentItemInterface::HIDDEN && empty($entity->in_preview) && !in_array($this->viewMode, [
      'search_result',
      'search_index',
    ])) {
      $comment_settings = $this
        ->getFieldSettings();

      // Only attempt to render comments if the entity has visible comments.
      // Unpublished comments are not included in
      // $entity->get($field_name)->comment_count, but unpublished comments
      // should display if the user is an administrator.
      $elements['#cache']['contexts'][] = 'user.permissions';
      if ($this->currentUser
        ->hasPermission('access comments') || $this->currentUser
        ->hasPermission('administer comments')) {
        $output['comments'] = [];
        if ($entity
          ->get($field_name)->comment_count || $this->currentUser
          ->hasPermission('administer comments')) {
          $mode = $comment_settings['default_mode'];
          $comments_per_page = $comment_settings['per_page'];
          $comments = $this->storage
            ->loadThread($entity, $field_name, $mode, $comments_per_page, $this
            ->getSetting('pager_id'));
          if ($comments) {
            $build = $this->viewBuilder
              ->viewMultiple($comments, $this
              ->getSetting('view_mode'));
            $build['pager']['#type'] = 'pager';

            // CommentController::commentPermalink() calculates the page number
            // where a specific comment appears and does a subrequest pointing to
            // that page, we need to pass that subrequest route to our pager to
            // keep the pager working.
            $build['pager']['#route_name'] = $this->routeMatch
              ->getRouteObject();
            $build['pager']['#route_parameters'] = $this->routeMatch
              ->getRawParameters()
              ->all();
            if ($this
              ->getSetting('pager_id')) {
              $build['pager']['#element'] = $this
                ->getSetting('pager_id');
            }
            $output['comments'] += $build;
          }
        }
      }

      // Append comment form if the comments are open and the form is set to
      // display below the entity. Do not show the form for the print view mode.
      if ($status == CommentItemInterface::OPEN && $comment_settings['form_location'] == CommentItemInterface::FORM_BELOW && $this->viewMode != 'print') {

        // Only show the add comment form if the user has permission.
        $elements['#cache']['contexts'][] = 'user.roles';
        if ($this->currentUser
          ->hasPermission('post comments')) {
          $output['comment_form'] = [
            '#lazy_builder' => [
              'comment.lazy_builders:renderForm',
              [
                $entity
                  ->getEntityTypeId(),
                $entity
                  ->id(),
                $field_name,
                $this
                  ->getFieldSetting('comment_type'),
              ],
            ],
            '#create_placeholder' => TRUE,
          ];
        }
      }
      $elements[] = $output + [
        '#comment_type' => $this
          ->getFieldSetting('comment_type'),
        '#comment_display_mode' => $this
          ->getFieldSetting('default_mode'),
        'comments' => [],
        'comment_form' => [],
      ];
    }
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $element = [];
    $view_modes = $this
      ->getViewModes();
    $element['view_mode'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Comments view mode'),
      '#description' => $this
        ->t('Select the view mode used to show the list of comments.'),
      '#default_value' => $this
        ->getSetting('view_mode'),
      '#options' => $view_modes,
      // Only show the select element when there are more than one options.
      '#access' => count($view_modes) > 1,
    ];
    $element['pager_id'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Pager ID'),
      '#options' => range(0, 10),
      '#default_value' => $this
        ->getSetting('pager_id'),
      '#description' => $this
        ->t("Unless you're experiencing problems with pagers related to this field, you should leave this at 0. If using multiple pagers on one page you may need to set this number to a higher value so as not to conflict within the ?page= array. Large values will add a lot of commas to your URLs, so avoid if possible."),
    ];
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $view_mode = $this
      ->getSetting('view_mode');
    $view_modes = $this
      ->getViewModes();
    $view_mode_label = isset($view_modes[$view_mode]) ? $view_modes[$view_mode] : 'default';
    $summary = [
      $this
        ->t('Comment view mode: @mode', [
        '@mode' => $view_mode_label,
      ]),
    ];
    if ($pager_id = $this
      ->getSetting('pager_id')) {
      $summary[] = $this
        ->t('Pager ID: @id', [
        '@id' => $pager_id,
      ]);
    }
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = parent::calculateDependencies();
    if ($mode = $this
      ->getSetting('view_mode')) {
      if ($bundle = $this
        ->getFieldSetting('comment_type')) {

        /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $display */
        if ($display = EntityViewDisplay::load("comment.{$bundle}.{$mode}")) {
          $dependencies[$display
            ->getConfigDependencyKey()][] = $display
            ->getConfigDependencyName();
        }
      }
    }
    return $dependencies;
  }

  /**
   * Provides a list of comment view modes for the configured comment type.
   *
   * @return array
   *   Associative array keyed by view mode key and having the view mode label
   *   as value.
   */
  protected function getViewModes() {
    return $this->entityDisplayRepository
      ->getViewModeOptionsByBundle('comment', $this
      ->getFieldSetting('comment_type'));
  }

}

Members

Namesort descending Modifiers Type Description Overrides
CommentDefaultFormatter::$currentUser protected property The current user.
CommentDefaultFormatter::$entityDisplayRepository protected property The entity display repository.
CommentDefaultFormatter::$entityFormBuilder protected property The entity form builder.
CommentDefaultFormatter::$routeMatch protected property
CommentDefaultFormatter::$storage protected property The comment storage.
CommentDefaultFormatter::$viewBuilder protected property The comment render controller.
CommentDefaultFormatter::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginSettingsBase::calculateDependencies
CommentDefaultFormatter::create public static function Creates an instance of the plugin. Overrides FormatterBase::create
CommentDefaultFormatter::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings
CommentDefaultFormatter::getViewModes protected function Provides a list of comment view modes for the configured comment type.
CommentDefaultFormatter::settingsForm public function Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm
CommentDefaultFormatter::settingsSummary public function Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary
CommentDefaultFormatter::viewElements public function Builds a renderable array for a field value. Overrides FormatterInterface::viewElements
CommentDefaultFormatter::__construct public function Constructs a new CommentDefaultFormatter. Overrides FormatterBase::__construct
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
FormatterBase::$fieldDefinition protected property The field definition.
FormatterBase::$label protected property The label display setting.
FormatterBase::$settings protected property The formatter settings. Overrides PluginSettingsBase::$settings
FormatterBase::$viewMode protected property The view mode.
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable 14
FormatterBase::prepareView public function Allows formatters to load information for field values being displayed. Overrides FormatterInterface::prepareView 2
FormatterBase::view public function Builds a renderable array for a fully themed field. Overrides FormatterInterface::view 1
MessengerTrait::$messenger protected property The messenger. 27
MessengerTrait::messenger public function Gets the messenger. 27
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 2
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginSettingsBase::$defaultSettingsMerged protected property Whether default settings have been merged into the current $settings.
PluginSettingsBase::$thirdPartySettings protected property The plugin settings injected by third party modules.
PluginSettingsBase::getSetting public function Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface::getSetting
PluginSettingsBase::getSettings public function Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface::getSettings
PluginSettingsBase::getThirdPartyProviders public function Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface::getThirdPartyProviders
PluginSettingsBase::getThirdPartySetting public function Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface::getThirdPartySetting
PluginSettingsBase::getThirdPartySettings public function Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface::getThirdPartySettings
PluginSettingsBase::mergeDefaults protected function Merges default settings values into $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$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.