ImageStyleNormalizedFieldItemList.php in JSON:API Image Styles 2.0.x

Namespace

Drupal\jsonapi_image_styles\Plugin\Field\FieldType

File

src/Plugin/Field/FieldType/ImageStyleNormalizedFieldItemList.php

<?php

namespace Drupal\jsonapi_image_styles\Plugin\Field\FieldType;

use Drupal\Core\Field\FieldItemList;
use Drupal\Core\TypedData\ComputedItemListTrait;
use Drupal\file\Entity\File;
use Drupal\image\Entity\ImageStyle;

/**
 * Represents the computed image styles for a file entity.
 */
class ImageStyleNormalizedFieldItemList extends FieldItemList {
  use ComputedItemListTrait;

  /**
   * {@inheritdoc}
   */
  protected function computeValue() {
    $config = \Drupal::config('jsonapi_image_styles.settings');
    $styles = [];
    $entity = $this
      ->getEntity();
    $uri = $entity instanceof File && substr($entity
      ->getMimeType(), 0, 5) === 'image' ? $entity
      ->getFileUri() : FALSE;
    if ($uri) {
      $defined_styles = $config
        ->get('image_styles') ?? [];
      if (!empty(array_filter($defined_styles))) {
        foreach ($defined_styles as $key) {
          $styles[$key] = ImageStyle::load($key);
        }
      }
      else {
        $styles = ImageStyle::loadMultiple();
      }
      $offset = 0;
      foreach ($styles as $name => $style) {
        if ($style instanceof ImageStyle) {
          $this->list[] = $this
            ->createItem($offset, [
            'url' => [
              $name => $style
                ->buildUrl($uri),
            ],
          ]);
        }
        $offset++;
      }
    }
  }

}

Classes

Name	Description
ImageStyleNormalizedFieldItemList	Represents the computed image styles for a file entity.