EditorFileReference.php in Drupal 9
File
core/modules/editor/src/Plugin/Filter/EditorFileReference.php
View source
<?php
namespace Drupal\editor\Plugin\Filter;
use Drupal\Component\Utility\Html;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Image\ImageFactory;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\file\FileInterface;
use Drupal\filter\FilterProcessResult;
use Drupal\filter\Plugin\FilterBase;
use Symfony\Component\DependencyInjection\ContainerInterface;
class EditorFileReference extends FilterBase implements ContainerFactoryPluginInterface {
protected $entityRepository;
protected $imageFactory;
public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityRepositoryInterface $entity_repository, ImageFactory $image_factory = NULL) {
$this->entityRepository = $entity_repository;
if ($image_factory === NULL) {
@trigger_error('Calling ' . __METHOD__ . '() without the $image_factory argument is deprecated in drupal:9.1.0 and is required in drupal:10.0.0. See https://www.drupal.org/node/3173719', E_USER_DEPRECATED);
$image_factory = \Drupal::service('image.factory');
}
$this->imageFactory = $image_factory;
parent::__construct($configuration, $plugin_id, $plugin_definition);
}
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container
->get('entity.repository'), $container
->get('image.factory'));
}
public function process($text, $langcode) {
$result = new FilterProcessResult($text);
if (stristr($text, 'data-entity-type="file"') !== FALSE) {
$dom = Html::load($text);
$xpath = new \DOMXPath($dom);
$processed_uuids = [];
foreach ($xpath
->query('//*[@data-entity-type="file" and @data-entity-uuid]') as $node) {
$uuid = $node
->getAttribute('data-entity-uuid');
if ($node
->hasAttribute('src')) {
$file = $this->entityRepository
->loadEntityByUuid('file', $uuid);
if ($file instanceof FileInterface) {
$node
->setAttribute('src', $file
->createFileUrl());
if ($node->nodeName == 'img') {
$image = $this->imageFactory
->get($file
->getFileUri());
$width = $image
->getWidth();
$height = $image
->getHeight();
if ($width !== NULL && $height !== NULL) {
if (!$node
->hasAttribute('width')) {
$node
->setAttribute('width', $width);
}
if (!$node
->hasAttribute('height')) {
$node
->setAttribute('height', $height);
}
if (!$node
->hasAttribute('loading')) {
$node
->setAttribute('loading', 'lazy');
}
}
}
}
}
if (!isset($processed_uuids[$uuid])) {
$processed_uuids[$uuid] = TRUE;
$file = $this->entityRepository
->loadEntityByUuid('file', $uuid);
if ($file instanceof FileInterface) {
$result
->addCacheTags($file
->getCacheTags());
}
}
}
$result
->setProcessedText(Html::serialize($dom));
}
return $result;
}
}