class MediaImage in Lightning Media 8

Renders a media item's image via the image formatter.

If the embedded media item has an image field as its source field, that image is rendered through the image formatter. Otherwise, the media item's thumbnail is used.

Plugin annotation

@EntityEmbedDisplay(
  id = "media_image",
  label = @Translation("Media Image"),
  entity_types = {"media"},
  field_type = "image",
  provider = "image"
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\entity_embed\EntityEmbedDisplay\EntityEmbedDisplayBase implements ContainerFactoryPluginInterface, EntityEmbedDisplayInterface
      • class \Drupal\entity_embed\EntityEmbedDisplay\FieldFormatterEntityEmbedDisplayBase uses PluginDependencyTrait
        • class \Drupal\entity_embed\Plugin\entity_embed\EntityEmbedDisplay\EntityReferenceFieldFormatter implements TrustedCallbackInterface
          • class \Drupal\entity_embed\Plugin\entity_embed\EntityEmbedDisplay\FileFieldFormatter
            • class \Drupal\entity_embed\Plugin\entity_embed\EntityEmbedDisplay\ImageFieldFormatter
              • class \Drupal\lightning_media\Plugin\entity_embed\EntityEmbedDisplay\MediaImage

File

src/Plugin/entity_embed/EntityEmbedDisplay/MediaImage.php, line 26

Namespace

Drupal\lightning_media\Plugin\entity_embed\EntityEmbedDisplay

class MediaImage extends ImageFieldFormatter {

  /**
   * {@inheritdoc}
   */
  public function getFieldFormatterId() {
    return 'image';
  }

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

    // Don't allow linking directly to the content.
    unset($form['image_link']['#options']['content']);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function getAttributeValues() {
    $field = $this
      ->getItem();
    $label = $field
      ->getEntity()
      ->label();

    // Try to default to the alt and title attributes set on the field item, but
    // fall back to the entity label for both.
    return parent::getAttributeValues() + [
      'alt' => $field->alt ?: $label,
      'title' => $field->title ?: $label,
    ];
  }

  /**
   * {@inheritdoc}
   */
  protected function isValidImage() {

    // This display plugin works for any media entity. And media items always
    // have at least a thumbnail. So, we can bypass this access gate.
    return AccessResult::allowed();
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldDefinition() {

    // The parent method will set the target_type to the entity type being
    // embedded, but we are actually rendering an image (i.e., a file entity).
    return parent::getFieldDefinition()
      ->setSetting('target_type', 'file');
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldValue() {
    $value = parent::getFieldValue();
    $value['target_id'] = $this
      ->getItem()->target_id;
    return $value;
  }

  /**
   * Returns the image field item to use for the embedded entity.
   *
   * @return \Drupal\image\Plugin\Field\FieldType\ImageItem
   *   The image field item.
   */
  protected function getItem() {

    /** @var \Drupal\media\MediaInterface $entity */
    $entity = $this
      ->getEntityFromContext();
    $item = MediaHelper::getSourceField($entity)
      ->first();
    return $item instanceof ImageItem ? $item : $entity
      ->get('thumbnail')
      ->first();
  }

}

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
DependencyTrait::$dependencies	protected	property	The object's dependencies.
DependencyTrait::addDependencies	protected	function	Adds multiple dependencies.
DependencyTrait::addDependency	protected	function	Adds a dependency.
EntityEmbedDisplayBase::$attributes	public	property	The attributes on the embedded entity.
EntityEmbedDisplayBase::$context	public	property	The context for the plugin.
EntityEmbedDisplayBase::$entityTypeManager	protected	property	The entity type manager service.
EntityEmbedDisplayBase::$languageManager	protected	property	The language manager.
EntityEmbedDisplayBase::getAttributeValue	public	function	Gets the value for an attribute.
EntityEmbedDisplayBase::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
EntityEmbedDisplayBase::getConfigurationValue	public	function	Gets a configuration value.
EntityEmbedDisplayBase::getContextValue	public	function	Gets the value for a defined context.
EntityEmbedDisplayBase::getContextValues	public	function	Gets the values for all defined contexts.
EntityEmbedDisplayBase::getEntityFromContext	public	function	Gets the entity from the current context.
EntityEmbedDisplayBase::getEntityTypeFromContext	public	function	Gets the entity type from the current context.
EntityEmbedDisplayBase::getLangcode	public	function	Gets the current language code.
EntityEmbedDisplayBase::hasAttribute	public	function	Checks if an attribute is set.
EntityEmbedDisplayBase::hasContextValue	public	function	Returns whether or not value is set for a defined context.
EntityEmbedDisplayBase::isValidEntityType	protected	function	Validates that this display plugin applies to the current entity type.
EntityEmbedDisplayBase::setAttributes	public	function	Sets the values for all attributes.
EntityEmbedDisplayBase::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
EntityEmbedDisplayBase::setContextValue	public	function	Sets the value for a defined context.
EntityEmbedDisplayBase::validateConfigurationForm	public	function	Form validation handler. Overrides PluginFormInterface::validateConfigurationForm
EntityReferenceFieldFormatter::$configFactory	protected	property	The configuration factory.
EntityReferenceFieldFormatter::build	public	function	Builds the renderable array for this Entity Embed display plugin. Overrides FieldFormatterEntityEmbedDisplayBase::build
EntityReferenceFieldFormatter::disableContextualLinks	public static	function	Disables Contextual Links for the embedded media by removing its property.
EntityReferenceFieldFormatter::disableQuickEdit	public static	function	Disables Quick Edit for the embedded media by removing its attributes.
EntityReferenceFieldFormatter::isApplicableFieldFormatter	protected	function	Checks if the field formatter is applicable. Overrides FieldFormatterEntityEmbedDisplayBase::isApplicableFieldFormatter
EntityReferenceFieldFormatter::trustedCallbacks	public static	function	Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks
FieldFormatterEntityEmbedDisplayBase::$fieldDefinition	protected	property	The field definition.
FieldFormatterEntityEmbedDisplayBase::$fieldFormatter	protected	property	The field formatter.
FieldFormatterEntityEmbedDisplayBase::$formatterPluginManager	protected	property	The field formatter plugin manager.
FieldFormatterEntityEmbedDisplayBase::$typedDataManager	protected	property	The typed data manager.
FieldFormatterEntityEmbedDisplayBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides EntityEmbedDisplayBase::calculateDependencies	1
FieldFormatterEntityEmbedDisplayBase::createFieldDefinition	protected	function	Creates a new faux-field definition.
FieldFormatterEntityEmbedDisplayBase::getFieldFormatter	public	function	Constructs a field formatter.	1
FileFieldFormatter::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides FieldFormatterEntityEmbedDisplayBase::defaultConfiguration
ImageFieldFormatter::$imageFactory	protected	property	The image factory.
ImageFieldFormatter::$messenger	protected	property	The messenger. Overrides MessengerTrait::$messenger
ImageFieldFormatter::access	public	function	Indicates whether this Entity Embed display can be used. Overrides FieldFormatterEntityEmbedDisplayBase::access
ImageFieldFormatter::create	public static	function	Creates an instance of the plugin. Overrides EntityReferenceFieldFormatter::create
ImageFieldFormatter::submitConfigurationForm	public	function	Form submission handler. Overrides EntityEmbedDisplayBase::submitConfigurationForm
ImageFieldFormatter::__construct	public	function	Constructs an ImageFieldFormatter object. Overrides EntityReferenceFieldFormatter::__construct
MediaImage::buildConfigurationForm	public	function	Form constructor. Overrides ImageFieldFormatter::buildConfigurationForm
MediaImage::getAttributeValues	public	function	Gets the values for all attributes. Overrides EntityEmbedDisplayBase::getAttributeValues
MediaImage::getFieldDefinition	public	function	Get the FieldDefinition object required to render this field's formatter. Overrides EntityReferenceFieldFormatter::getFieldDefinition
MediaImage::getFieldFormatterId	public	function	Returns the field formatter id. Overrides FieldFormatterEntityEmbedDisplayBase::getFieldFormatterId
MediaImage::getFieldValue	public	function	Get the field value required to pass into the field formatter. Overrides ImageFieldFormatter::getFieldValue
MediaImage::getItem	protected	function	Returns the image field item to use for the embedded entity.
MediaImage::isValidImage	protected	function	Checks if the image is valid. Overrides ImageFieldFormatter::isValidImage
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$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.
PluginDependencyTrait::calculatePluginDependencies	protected	function	Calculates and adds dependencies of a specific plugin instance.	1
PluginDependencyTrait::getPluginDependencies	protected	function	Calculates and returns dependencies of a specific plugin instance.
PluginDependencyTrait::moduleHandler	protected	function	Wraps the module handler.	1
PluginDependencyTrait::themeHandler	protected	function	Wraps the theme handler.	1
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.
TrustedCallbackInterface::THROW_EXCEPTION		constant	Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION		constant	Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING		constant	Untrusted callbacks trigger E_USER_WARNING errors.