class QuickEditImageController in Drupal 10

Returns responses for our image routes.

Hierarchy

class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\quickedit\Controller\QuickEditImageController

Expanded class hierarchy of QuickEditImageController

File

core/modules/quickedit/src/Controller/QuickEditImageController.php, line 23

Namespace

Drupal\quickedit\Controller

View source

class QuickEditImageController extends ControllerBase {

  /**
   * Stores The Quick Edit tempstore.
   *
   * @var \Drupal\Core\TempStore\PrivateTempStore
   */
  protected $tempStore;

  /**
   * The renderer.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * The image factory.
   *
   * @var \Drupal\Core\Image\ImageFactory
   */
  protected $imageFactory;

  /**
   * The entity display repository service.
   *
   * @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface
   */
  protected $entityDisplayRepository;

  /**
   * The file system.
   *
   * @var \Drupal\Core\File\FileSystemInterface
   */
  protected $fileSystem;

  /**
   * Constructs a new QuickEditImageController.
   *
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer.
   * @param \Drupal\Core\Image\ImageFactory $image_factory
   *   The image factory.
   * @param \Drupal\Core\TempStore\PrivateTempStoreFactory $temp_store_factory
   *   The tempstore factory.
   * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
   *   The entity display repository service.
   * @param \Drupal\Core\File\FileSystemInterface $file_system
   *   The file system.
   */
  public function __construct(RendererInterface $renderer, ImageFactory $image_factory, PrivateTempStoreFactory $temp_store_factory, EntityDisplayRepositoryInterface $entity_display_repository, FileSystemInterface $file_system) {
    $this->renderer = $renderer;
    $this->imageFactory = $image_factory;
    $this->tempStore = $temp_store_factory
      ->get('quickedit');
    $this->entityDisplayRepository = $entity_display_repository;
    $this->fileSystem = $file_system;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('renderer'), $container
      ->get('image.factory'), $container
      ->get('tempstore.private'), $container
      ->get('entity_display.repository'), $container
      ->get('file_system'));
  }

  /**
   * Returns JSON representing the new file upload, or validation errors.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity of which an image field is being rendered.
   * @param string $field_name
   *   The name of the (image) field that is being rendered
   * @param string $langcode
   *   The language code of the field that is being rendered.
   * @param string $view_mode_id
   *   The view mode of the field that is being rendered.
   *
   * @return \Symfony\Component\HttpFoundation\JsonResponse
   *   The JSON response.
   */
  public function upload(EntityInterface $entity, $field_name, $langcode, $view_mode_id) {
    $field = $this
      ->getField($entity, $field_name, $langcode);
    $field_validators = $field
      ->getUploadValidators();
    $field_settings = $field
      ->getFieldDefinition()
      ->getSettings();
    $destination = $field
      ->getUploadLocation();

    // Add upload resolution validation.
    if ($field_settings['max_resolution'] || $field_settings['min_resolution']) {
      $field_validators['file_validate_image_resolution'] = [
        $field_settings['max_resolution'],
        $field_settings['min_resolution'],
      ];
    }

    // Create the destination directory if it does not already exist.
    if (isset($destination) && !$this->fileSystem
      ->prepareDirectory($destination, FileSystemInterface::CREATE_DIRECTORY)) {
      return new JsonResponse([
        'main_error' => $this
          ->t('The destination directory could not be created.'),
        'errors' => '',
      ]);
    }

    // Attempt to save the image given the field's constraints.
    $result = file_save_upload('image', $field_validators, $destination);
    if (is_array($result) && $result[0]) {

      /** @var \Drupal\file\Entity\File $file */
      $file = $result[0];
      $image = $this->imageFactory
        ->get($file
        ->getFileUri());

      // Set the value in the Entity to the new file.

      /** @var \Drupal\file\Plugin\Field\FieldType\FileFieldItemList $field_list */
      $value = $entity->{$field_name}
        ->getValue();
      $value[0]['target_id'] = $file
        ->id();
      $value[0]['width'] = $image
        ->getWidth();
      $value[0]['height'] = $image
        ->getHeight();
      $entity->{$field_name}
        ->setValue($value);

      // Render the new image using the correct formatter settings.
      $entity_view_mode_ids = array_keys($this->entityDisplayRepository
        ->getViewModes($entity
        ->getEntityTypeId()));
      if (in_array($view_mode_id, $entity_view_mode_ids, TRUE)) {
        $output = $entity->{$field_name}
          ->view($view_mode_id);
      }
      else {

        // Each part of a custom (non-Entity Display) view mode ID is separated
        // by a dash; the first part must be the module name.
        $mode_id_parts = explode('-', $view_mode_id, 2);
        $module = reset($mode_id_parts);
        $args = [
          $entity,
          $field_name,
          $view_mode_id,
          $langcode,
        ];
        $output = $this
          ->moduleHandler()
          ->invoke($module, 'quickedit_render_field', $args);
      }

      // Save the Entity to tempstore.
      $this->tempStore
        ->set($entity
        ->uuid(), $entity);
      $data = [
        'fid' => $file
          ->id(),
        'html' => $this->renderer
          ->renderRoot($output),
      ];
      return new JsonResponse($data);
    }
    else {

      // Return a JSON object containing the errors from Drupal and our
      // "main_error", which is displayed inside the dropzone area.
      $messages = StatusMessages::renderMessages('error');
      return new JsonResponse([
        'errors' => $this->renderer
          ->render($messages),
        'main_error' => $this
          ->t('The image failed validation.'),
      ]);
    }
  }

  /**
   * Returns JSON representing an image field's metadata.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity of which an image field is being rendered.
   * @param string $field_name
   *   The name of the (image) field that is being rendered
   * @param string $langcode
   *   The language code of the field that is being rendered.
   * @param string $view_mode_id
   *   The view mode of the field that is being rendered.
   *
   * @return \Drupal\Core\Cache\CacheableJsonResponse
   *   The JSON response.
   */
  public function getInfo(EntityInterface $entity, $field_name, $langcode, $view_mode_id) {
    $field = $this
      ->getField($entity, $field_name, $langcode);
    $settings = $field
      ->getFieldDefinition()
      ->getSettings();
    $info = [
      'alt' => $field->alt,
      'title' => $field->title,
      'alt_field' => $settings['alt_field'],
      'title_field' => $settings['title_field'],
      'alt_field_required' => $settings['alt_field_required'],
      'title_field_required' => $settings['title_field_required'],
    ];
    $response = new CacheableJsonResponse($info);
    $response
      ->addCacheableDependency($entity);
    return $response;
  }

  /**
   * Returns JSON representing the current state of the field.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity of which an image field is being rendered.
   * @param string $field_name
   *   The name of the (image) field that is being rendered
   * @param string $langcode
   *   The language code of the field that is being rendered.
   *
   * @return \Drupal\image\Plugin\Field\FieldType\ImageItem
   *   The field for this request.
   *
   * @throws \Symfony\Component\HttpKernel\Exception\BadRequestHttpException
   *   Throws an exception if the request is invalid.
   */
  protected function getField(EntityInterface $entity, $field_name, $langcode) {

    // Ensure that this is a valid Entity.
    if (!$entity instanceof ContentEntityInterface) {
      throw new BadRequestHttpException('Requested Entity is not a Content Entity.');
    }

    // Check that this field exists.

    /** @var \Drupal\Core\Field\FieldItemListInterface $field_list */
    $field_list = $entity
      ->getTranslation($langcode)
      ->get($field_name);
    if (!$field_list) {
      throw new BadRequestHttpException('Requested Field does not exist.');
    }

    // If the list is empty, append an empty item to use.
    if ($field_list
      ->isEmpty()) {
      $field = $field_list
        ->appendItem();
    }
    else {
      $field = $entity
        ->getTranslation($langcode)
        ->get($field_name)
        ->first();
    }

    // Ensure that the field is the type we expect.
    if (!$field instanceof ImageItem) {
      throw new BadRequestHttpException('Requested Field is not of type "image".');
    }
    return $field;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	2
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	1
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	1
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::currentUser	protected	function	Returns the current user.	2
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	1
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	1
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route.
ControllerBase::state	protected	function	Returns the state storage service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	18
MessengerTrait::messenger	public	function	Gets the messenger.	18
MessengerTrait::setMessenger	public	function	Sets the messenger.
QuickEditImageController::$entityDisplayRepository	protected	property	The entity display repository service.
QuickEditImageController::$fileSystem	protected	property	The file system.
QuickEditImageController::$imageFactory	protected	property	The image factory.
QuickEditImageController::$renderer	protected	property	The renderer.
QuickEditImageController::$tempStore	protected	property	Stores The Quick Edit tempstore.
QuickEditImageController::create	public static	function	Instantiates a new instance of this class. Overrides ControllerBase::create
QuickEditImageController::getField	protected	function	Returns JSON representing the current state of the field.
QuickEditImageController::getInfo	public	function	Returns JSON representing an image field's metadata.
QuickEditImageController::upload	public	function	Returns JSON representing the new file upload, or validation errors.
QuickEditImageController::__construct	public	function	Constructs a new QuickEditImageController.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$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.

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class QuickEditImageController in Drupal 10

Hierarchy

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