public function FileFieldItemList::deleteRevision in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/file/src/Plugin/Field/FieldType/FileFieldItemList.php \Drupal\file\Plugin\Field\FieldType\FileFieldItemList::deleteRevision()
Defines custom revision delete behavior for field values.
This method is called from during the process of deleting an entity revision, just before the field values are deleted from storage. It is only called for entity types that support revisioning.
Overrides FieldItemList::deleteRevision
File
- core/
modules/ file/ src/ Plugin/ Field/ FieldType/ FileFieldItemList.php, line 96 - Contains \Drupal\file\Plugin\Field\FieldType\FileFieldItemList.
Class
- FileFieldItemList
- Represents a configurable entity file field.
Namespace
Drupal\file\Plugin\Field\FieldTypeCode
public function deleteRevision() {
parent::deleteRevision();
$entity = $this
->getEntity();
// Decrement the file usage by 1.
foreach ($this
->referencedEntities() as $file) {
\Drupal::service('file.usage')
->delete($file, 'file', $entity
->getEntityTypeId(), $entity
->id());
}
}