function juicebox_preprocess_juicebox_embed_markup in Juicebox HTML5 Responsive Image Galleries 8.2

Same name and namespace in other branches

1. 8.3 templates/juicebox.theme.inc \juicebox_preprocess_juicebox_embed_markup()

Preprocessor for juicebox_embed_markup theme definition.

File

templates/juicebox.theme.inc, line 13

Theme and template functions for the Juicebox module.

Code

function juicebox_preprocess_juicebox_embed_markup(&$vars) {

  // Extract base data needed by the template from the galley object.
  $element = $vars['element'];
  $gallery = $element['#gallery'];
  $vars['gallery_id'] = $gallery
    ->getId();
  $vars['gallery_images'] = $gallery
    ->getImages(TRUE);
  $vars['gallery_options'] = $gallery
    ->getOptions(TRUE);

  // Add the overall wrapper classes.
  $vars['attributes']['class'][] = 'juicebox-parent';
  if (!empty($element['#settings']['custom_parent_classes'])) {
    $vars['attributes']['class'][] = trim($element['#settings']['custom_parent_classes']);
  }

  // Calculate a "standard" image link render array for each image. This allows
  // the main template to add normal image markup within the embed code as
  // needed (e.g. inside noscript containers).
  foreach ($vars['gallery_images'] as &$image) {

    // Use the standard "image" template.
    $img_vars = [
      '#theme' => 'image',
    ];
    $img_vars['#uri'] = $image['src_data']['imageURL'];
    if (!empty($image['title'])) {

      // Our image title should already be sanatized by this point, and
      // therefore its content will have been marked "safe" for display without
      // further escapting. However, some additional markup stripping may have
      // happened in Drupal\juicebox\JuieboxGallery, so we need to re-mark the
      // current form as "safe".
      $image['title'] = new FormattableMarkup($image['title'], []);
      $img_vars['#title'] = $image['title'];
    }
    if (!empty($image['caption'])) {

      // Re-mark caption markup as "safe" as well.
      $image['caption'] = new FormattableMarkup($image['caption'], []);
      $img_vars['#alt'] = $image['caption'];
    }
    $image['image_plain'] = $img_vars;
  }
}