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class ImageFieldTokensFormatter in ImageField Tokens 8.2

Same name and namespace in other branches
  1. 8 src/Plugin/Field/FieldFormatter/ImageFieldTokensFormatter.php \Drupal\imagefield_tokens\Plugin\Field\FieldFormatter\ImageFieldTokensFormatter

Plugin implementation of the 'image' formatter.

Plugin annotation


@FieldFormatter(
  id = "imagefield_tokens",
  label = @Translation("Image Field Tokens"),
  field_types = {
    "image"
  },
  quickedit = {
    "editor" = "image"
  }
)

Hierarchy

Expanded class hierarchy of ImageFieldTokensFormatter

File

src/Plugin/Field/FieldFormatter/ImageFieldTokensFormatter.php, line 33

Namespace

Drupal\imagefield_tokens\Plugin\Field\FieldFormatter
View source 
class ImageFieldTokensFormatter extends ImageFormatter {

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

  /**
   * The image style entity storage.
   *
   * @var \Drupal\image\ImageStyleStorageInterface
   */
  protected $imageStyleStorage;

  /**
   * RouteMatch service.
   *
   * @var \Drupal\Core\Routing\CurrentRouteMatch
   */
  protected $routeMatch;

  /**
   * Token service.
   *
   * @var \Drupal\token\Token
   */
  protected $tokenService;

  /**
   * Constructs an ImageFormatter object.
   *
   * @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
   *   Any third party settings settings.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current user.
   * @param \Drupal\Core\Entity\EntityStorageInterface $image_style_storage
   *   The image style storage.
   * @param \Drupal\Core\Routing\CurrentRouteMatch $routeMatch
   *   RouteMatch service.
   * @param \Drupal\token\Token $tokenService
   *   Token service.
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, AccountInterface $current_user, EntityStorageInterface $image_style_storage, CurrentRouteMatch $routeMatch, Token $tokenService) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $current_user, $image_style_storage);
    $this->routeMatch = $routeMatch;
    $this->tokenService = $tokenService;
  }

  /**
   * {@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')
      ->getStorage('image_style'), $container
      ->get('current_route_match'), $container
      ->get('token'));
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    $entity = NULL;
    $files = $this
      ->getEntitiesToView($items, $langcode);

    // Early opt-out if the field is empty.
    if (empty($files)) {
      return $elements;
    }
    $url = NULL;
    $image_link_setting = $this
      ->getSetting('image_link');

    // Check if the formatter involves a link.
    if ($image_link_setting === 'content') {
      $entity = $items
        ->getEntity();
      if (!$entity
        ->isNew()) {
        $url = $entity
          ->toUrl();
      }
    }
    elseif ($image_link_setting === 'file') {
      $link_file = TRUE;
    }
    $image_style_setting = $this
      ->getSetting('image_style');

    // Collect cache tags to be added for each item in the field.
    $base_cache_tags = [];
    if (!empty($image_style_setting)) {
      $image_style = $this->imageStyleStorage
        ->load($image_style_setting);
      $base_cache_tags = $image_style
        ->getCacheTags();
    }
    foreach ($files as $delta => $file) {
      $cache_contexts = [];
      if (isset($link_file)) {
        $image_uri = $file
          ->getFileUri();

        // @todo Wrap in file_url_transform_relative(). This is currently
        // impossible. As a work-around, we currently add the 'url.site' cache
        // context to ensure different file URLs are generated for different
        // sites in a multisite setup, including HTTP and HTTPS versions of the
        // same site. Fix in https://www.drupal.org/node/2646744.
        $url = Url::fromUri(file_create_url($image_uri));
        $cache_contexts[] = 'url.site';
      }
      $cache_tags = Cache::mergeTags($base_cache_tags, $file
        ->getCacheTags());

      // Extract field item attributes for the theme function, and unset them
      // from the $item so that the field template does not re-render them.
      $item = $file->_referringItem;
      $item_attributes = $item->_attributes;
      unset($item->_attributes);

      // Get item values.
      $item_values = $item
        ->getValue();

      // Get entity from request.
      $request_params = $this->routeMatch
        ->getParameters()
        ->all();
      if (count($request_params) > 0) {
        foreach ($request_params as $param) {
          if (is_object($param)) {
            $entity = $param;
          }
        }
      }
      $data = [];
      if ($entity) {
        try {
          $entity_type = method_exists($entity, 'getEntityTypeId') ? $entity
            ->getEntityTypeId() : $entity
            ->getContext('entity')
            ->getContextData()
            ->getValue('entity')
            ->getEntityTypeId();
          $data[$entity_type] = $entity;
        } catch (ContextException $e) {

          // No entity context. Not necessarily an error. Just keep going.
        }
      }

      // Replace entity tokens.
      $alt_bubbles = new BubbleableMetadata();
      $alt_token = $this->tokenService
        ->replace($item_values['alt'], $data, [], $alt_bubbles);
      $title_bubbles = new BubbleableMetadata();
      $title_token = $this->tokenService
        ->replace($item_values['title'], $data, [], $title_bubbles);

      // Set converted values to the item.
      $item_values['alt'] = $alt_token;
      $item_values['title'] = $title_token;
      $item
        ->setValue($item_values);
      $elements[$delta] = [
        '#theme' => 'image_formatter',
        '#item' => $item,
        '#item_attributes' => $item_attributes,
        '#image_style' => $image_style_setting,
        '#url' => $url,
        '#cache' => [
          'tags' => $cache_tags,
          'contexts' => $cache_contexts,
        ],
      ];

      // Add cache info related to tokens.
      $existing_elements_cache = CacheableMetadata::createFromRenderArray($elements[$delta]);
      $token_bubbleable_metadata = $alt_bubbles
        ->merge($title_bubbles);
      $updated_elements_cache = $existing_elements_cache
        ->merge($token_bubbleable_metadata);
      $updated_elements_cache
        ->applyTo($elements[$delta]);
    }
    return $elements;
  }

}

Members

Namesort descending 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
EntityReferenceFormatterBase::prepareView public function Loads the entities referenced in that field across all the entities being viewed. Overrides FormatterBase::prepareView
EntityReferenceFormatterBase::view public function Overrides FormatterBase::view
FileFormatterBase::checkAccess protected function Checks access to the given entity. Overrides EntityReferenceFormatterBase::checkAccess
FileFormatterBase::needsEntityLoad protected function Returns whether the entity referenced by an item needs to be loaded. Overrides EntityReferenceFormatterBase::needsEntityLoad 1
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::$viewMode protected property The view mode.
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable 14
ImageFieldTokensFormatter::$currentUser protected property The current user. Overrides ImageFormatter::$currentUser
ImageFieldTokensFormatter::$imageStyleStorage protected property The image style entity storage. Overrides ImageFormatter::$imageStyleStorage
ImageFieldTokensFormatter::$routeMatch protected property RouteMatch service.
ImageFieldTokensFormatter::$tokenService protected property Token service.
ImageFieldTokensFormatter::create public static function Creates an instance of the plugin. Overrides ImageFormatter::create
ImageFieldTokensFormatter::viewElements public function Builds a renderable array for a field value. Overrides ImageFormatter::viewElements
ImageFieldTokensFormatter::__construct public function Constructs an ImageFormatter object. Overrides ImageFormatter::__construct
ImageFormatter::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginSettingsBase::calculateDependencies
ImageFormatter::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings 1
ImageFormatter::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsBase::onDependencyRemoval
ImageFormatter::settingsForm public function Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm 2
ImageFormatter::settingsSummary public function Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary 2
ImageFormatterBase::getEntitiesToView protected function Returns the referenced entities for display. Overrides EntityReferenceFormatterBase::getEntitiesToView
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
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::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginSettingsBase::$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 $settings.
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation protected property The string translation service. 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.