function template_preprocess_webform_element_image_file in Webform 6.x

Same name and namespace in other branches

1. 8.5 includes/webform.theme.template.inc \template_preprocess_webform_element_image_file()

Prepares variables for webform element image file templates.

Default template: webform-element-image-file.html.twig.

Parameters

array $variables: An associative array containing the following key:

• element: The webform element.
• value: The content for the element.
• options Associative array of options for element.
• file: The element's File object.
• style_name: An image style name.
• format: Image formatting (link or modal)

File

includes/webform.theme.template.inc, line 997

Preprocessors and helper functions to make theming easier.

Code

function template_preprocess_webform_element_image_file(array &$variables) {
  if (!empty($variables['file'])) {

    /** @var \Drupal\file\FileInterface $file */
    $file = $variables['file'];
    $style_name = $variables['style_name'];
    $format = $variables['format'];
    $uri = $file
      ->getFileUri();
    $url = Url::fromUri(file_create_url($uri));
    $extension = pathinfo($uri, PATHINFO_EXTENSION);
    $is_image = in_array($extension, [
      'gif',
      'png',
      'jpg',
      'jpeg',
    ]);

    // Build image.
    if ($is_image && \Drupal::moduleHandler()
      ->moduleExists('image') && $style_name && ImageStyle::load($style_name)) {
      $variables['image'] = [
        '#theme' => 'image_style',
        '#style_name' => $variables['style_name'],
      ];
    }
    else {

      // Note: The 'image' template uses root-relative paths.
      // The 'image' is preprocessed to use absolute URLs.
      // @see webform_preprocess_image().
      $variables['image'] = [
        '#theme' => 'image',
      ];
    }
    $variables['image'] += [
      '#uri' => $uri,
      '#attributes' => [
        'class' => [
          'webform-image-file',
        ],
        'alt' => $file
          ->getFilename(),
        'title' => $file
          ->getFilename(),
      ],
    ];

    // For the Results table always display the file name as a tooltip.
    if (strpos(\Drupal::routeMatch()
      ->getRouteName(), 'webform.results_submissions') !== FALSE) {
      $variables['attached']['library'][] = 'webform/webform.tooltip';
      $variables['image']['#attributes']['class'][] = 'js-webform-tooltip-link';
    }

    // Wrap 'image' in a link/modal.
    if ($format && $format !== 'image') {
      $variables['image'] = [
        '#type' => 'link',
        '#title' => $variables['image'],
        '#url' => $url,
      ];
      switch ($format) {
        case 'modal':
          $variables['image'] += [
            '#attributes' => [
              'class' => [
                'js-webform-image-file-modal',
                'webform-image-file-modal',
              ],
            ],
            '#attached' => [
              'library' => [
                'webform/webform.element.image_file.modal',
              ],
            ],
          ];
          break;
        case 'link':
          $variables['image'] += [
            '#attributes' => [
              'class' => [
                'webform-image-file-link',
              ],
            ],
          ];
          break;
      }
    }
  }
}