class ImageStyleRenderer in UIkit Components 8.3

Builds render arrays for image styles.

Provides methods to automatically return an array for image styles ready to be processed by Drupal's render service.

Hierarchy

• class \Drupal\uikit_components\ImageStyleRenderer

1 file declares its use of ImageStyleRenderer

UIkitComment.php in src/Element/UIkitComment.php

File

src/ImageStyleRenderer.php, line 13

Namespace

Drupal\uikit_components

class ImageStyleRenderer {

  /**
   * @inheritdoc
   */
  public static function loadImageManagedFile($build) {
    $entity_manager = \Drupal::entityTypeManager()
      ->getStorage('file');
    $query = $entity_manager
      ->getQuery();
    $query
      ->condition('uri', $build['uri']);
    $fids = $query
      ->execute();
    if (count($fids) && ($file = File::load(reset($fids)))) {
      $variables = array(
        'style_name' => $build['style_name'],
        'uri' => $file
          ->getFileUri(),
      );

      // The image.factory service will check if our image is valid.
      $image = \Drupal::service('image.factory')
        ->get($file
        ->getFileUri());
      if ($image
        ->isValid()) {
        $variables['width'] = $image
          ->getWidth();
        $variables['height'] = $image
          ->getHeight();
      }
      else {
        $variables['width'] = $variables['height'] = NULL;
      }
      $build = [
        '#theme' => 'image_style',
        '#width' => $variables['width'],
        '#height' => $variables['height'],
        '#style_name' => $variables['style_name'],
        '#uri' => $variables['uri'],
      ];

      // Add the file entity to the cache dependencies.
      // This will clear our cache when this entity updates.
      $renderer = \Drupal::service('renderer');
      $renderer
        ->addCacheableDependency($build, $file);

      // Return the render array.
      return $build;
    }
    else {

      // Image not found, return empty array.
      return [];
    }
  }

  /**
   * @inheritdoc
   */
  public static function loadImageFile($build) {
    return [
      '#theme' => 'image_style',
      '#style_name' => $build['style_name'],
      '#uri' => $build['uri'],
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ImageStyleRenderer::loadImageFile	public static	function	@inheritdoc
ImageStyleRenderer::loadImageManagedFile	public static	function	@inheritdoc