ImageStyleNormalizedFieldItemList.php in JSON:API Image Styles 8

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 ? $entity
      ->getFileUri() : FALSE;
    $defined_styles = $config
      ->get('image_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.