class ImageUrlFormatter in Drupal 10

Plugin implementation of the 'image_url' formatter.

Plugin annotation

@FieldFormatter(
  id = "image_url",
  label = @Translation("URL to image"),
  field_types = {
    "image"
  }
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
      • class \Drupal\Core\Field\FormatterBase implements FormatterInterface, ContainerFactoryPluginInterface
        • class \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase
          • class \Drupal\file\Plugin\Field\FieldFormatter\FileFormatterBase
            • class \Drupal\image\Plugin\Field\FieldFormatter\ImageFormatterBase
              • class \Drupal\image\Plugin\Field\FieldFormatter\ImageFormatter
                • class \Drupal\image\Plugin\Field\FieldFormatter\ImageUrlFormatter

File

core/modules/image/src/Plugin/Field/FieldFormatter/ImageUrlFormatter.php, line 20

Namespace

Drupal\image\Plugin\Field\FieldFormatter

class ImageUrlFormatter extends ImageFormatter {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'image_style' => '',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $element = parent::settingsForm($form, $form_state);
    unset($element['image_link'], $element['image_loading']);
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = parent::settingsSummary();
    return [
      $summary[0],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];

    /** @var \Drupal\Core\Field\EntityReferenceFieldItemListInterface $items */
    if (empty($images = $this
      ->getEntitiesToView($items, $langcode))) {

      // Early opt-out if the field is empty.
      return $elements;
    }

    /** @var \Drupal\image\ImageStyleInterface $image_style */
    $image_style = $this->imageStyleStorage
      ->load($this
      ->getSetting('image_style'));

    /** @var \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator */
    $file_url_generator = \Drupal::service('file_url_generator');

    /** @var \Drupal\file\FileInterface[] $images */
    foreach ($images as $delta => $image) {
      $image_uri = $image
        ->getFileUri();
      $url = $image_style ? $file_url_generator
        ->transformRelative($image_style
        ->buildUrl($image_uri)) : $file_url_generator
        ->generateString($image_uri);

      // Add cacheability metadata from the image and image style.
      $cacheability = CacheableMetadata::createFromObject($image);
      if ($image_style) {
        $cacheability
          ->addCacheableDependency(CacheableMetadata::createFromObject($image_style));
      }
      $elements[$delta] = [
        '#markup' => $url,
      ];
      $cacheability
        ->applyTo($elements[$delta]);
    }
    return $elements;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
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::$viewMode	protected	property	The view mode.
FormatterBase::getFieldSetting	protected	function	Returns the value of a field setting.
FormatterBase::getFieldSettings	protected	function	Returns the array of field settings.
FormatterBase::isApplicable	public static	function	Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable	12
ImageFormatter::$currentUser	protected	property	The current user.
ImageFormatter::$fileUrlGenerator	protected	property	The file URL generator.
ImageFormatter::$imageStyleStorage	protected	property	The image style entity storage.
ImageFormatter::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides PluginSettingsBase::calculateDependencies
ImageFormatter::create	public static	function	Creates an instance of the plugin. Overrides FormatterBase::create	1
ImageFormatter::onDependencyRemoval	public	function	Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsBase::onDependencyRemoval
ImageFormatter::__construct	public	function	Constructs an ImageFormatter object. Overrides FormatterBase::__construct	1
ImageFormatterBase::getEntitiesToView	protected	function	Returns the referenced entities for display. Overrides EntityReferenceFormatterBase::getEntitiesToView
ImageUrlFormatter::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides ImageFormatter::defaultSettings
ImageUrlFormatter::settingsForm	public	function	Returns a form to configure settings for the formatter. Overrides ImageFormatter::settingsForm
ImageUrlFormatter::settingsSummary	public	function	Returns a short summary for the current formatter settings. Overrides ImageFormatter::settingsSummary
ImageUrlFormatter::viewElements	public	function	Builds a renderable array for a field value. Overrides ImageFormatter::viewElements
MessengerTrait::$messenger	protected	property	The messenger.	16
MessengerTrait::messenger	public	function	Gets the messenger.	16
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.
PluginBase::$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
PluginBase::getDerivativeId	public	function
PluginBase::getPluginDefinition	public	function		1
PluginBase::getPluginId	public	function
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.	3
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.	1
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.