1;
// Provide relevant URL if it is a lightbox.
$url_attributes = [];
$url_attributes['class'] = ['blazy__' . $switch, 'litebox'];
$url_attributes['data-' . $switch . '-trigger'] = TRUE;
// If it is a video/audio, otherwise image to image.
$settings['box_url'] = file_create_url($uri);
$settings['icon'] = empty($settings['icon']) ? ['#markup' => ''] : $settings['icon'];
$settings['lightbox'] = $switch;
$settings['box_width'] = isset($item->width) ? $item->width : NULL;
$settings['box_height'] = isset($item->height) ? $item->height : NULL;
$settings['box_width'] = isset($settings['box_width']) ? $settings['box_width'] : $settings['width'];
$settings['box_height'] = isset($settings['box_height']) ? $settings['box_height'] : $settings['height'];
$dimensions = ['width' => $settings['box_width'], 'height' => $settings['box_height']];
if (!empty($settings['box_style'])) {
$box_style = ImageStyle::load($settings['box_style']);
$box_style->transformDimensions($dimensions, $uri);
$settings['box_url'] = $box_style->buildUrl($uri);
}
// Allows custom work to override this without image style, such as
// a combo of image, video, Instagram, Facebook, etc.
if (empty($settings['_box_width'])) {
$settings['box_width'] = $dimensions['width'];
$settings['box_height'] = $dimensions['height'];
}
$json = [
'type' => $type,
'width' => $settings['box_width'],
'height' => $settings['box_height'],
];
if (!empty($settings['embed_url'])) {
$json['scheme'] = $settings['scheme'];
$json['width'] = 640;
$json['height'] = 360;
// Force autoplay for media URL on lightboxes, saving another click.
$url = empty($settings['autoplay_url']) ? $settings['embed_url'] : $settings['autoplay_url'];
// Provides custom lightbox media dimension, if so configured.
// @todo: Remove for Lightbox media style.
if (!empty($settings['dimension'])) {
list($json['width'], $json['height']) = array_pad(array_map('trim', explode("x", $settings['dimension'], 2)), 2, NULL);
}
// This allows PhotoSwipe with videos still swipable.
if (!empty($settings['box_media_style'])) {
$box_media_style = ImageStyle::load($settings['box_media_style']);
$box_media_style->transformDimensions($dimensions, $uri);
$settings['box_url'] = $box_media_style->buildUrl($uri);
// Allows custom work to override this without image style.
if (empty($settings['box_width'])) {
$settings['box_width'] = $dimensions['width'];
$settings['box_height'] = $dimensions['height'];
}
$json['width'] = $settings['box_width'];
$json['height'] = $settings['box_height'];
}
if ($switch == 'photobox') {
$url_attributes['rel'] = 'video';
}
}
else {
$url = $settings['box_url'];
}
if ($switch == 'colorbox' && $multiple) {
$json['rel'] = empty($settings['id']) ? 'blazy_colorbox' : $settings['id'];
}
$url_attributes['data-media'] = Json::encode($json);
if (!empty($settings['box_caption'])) {
$element['#captions']['lightbox'] = self::buildCaptions($item, $settings);
}
$element['#url'] = $url;
$element['#url_attributes'] = $url_attributes;
}
/**
* Builds lightbox captions.
*
* @param object|mixed $item
* The \Drupal\image\Plugin\Field\FieldType\ImageItem item, or array when
* dealing with Video Embed Field.
* @param array $settings
* The settings to work with.
*
* @return array
* The renderable array of caption, or empty array.
*/
public static function buildCaptions($item, array $settings = []) {
$title = empty($item->title) ? '' : $item->title;
$alt = empty($item->alt) ? '' : $item->alt;
$delta = empty($settings['delta']) ? 0 : $settings['delta'];
$caption = '';
switch ($settings['box_caption']) {
case 'auto':
$caption = $alt ?: $title;
break;
case 'alt':
$caption = $alt;
break;
case 'title':
$caption = $title;
break;
case 'alt_title':
case 'title_alt':
$alt = $alt ? '' . $alt . '
' : '';
$title = $title ? '' . $title . '
' : '';
$caption = $settings['box_caption'] == 'alt_title' ? $alt . $title : $title . $alt;
break;
case 'entity_title':
$caption = ($entity = $item->getEntity()) ? $entity->label() : '';
break;
case 'custom':
$caption = '';
if (!empty($settings['box_caption_custom']) && ($entity = $item->getEntity())) {
$options = ['clear' => TRUE];
$caption = \Drupal::token()->replace($settings['box_caption_custom'], [$entity->getEntityTypeId() => $entity, 'file' => $item], $options);
// Checks for multi-value text fields, and maps its delta to image.
if (!empty($caption) && strpos($caption, ", ") !== FALSE) {
$caption = str_replace(",
", '|
', $caption);
$captions = explode("|", $caption);
$caption = isset($captions[$delta]) ? $captions[$delta] : '';
}
}
break;
}
return empty($caption) ? [] : ['#markup' => $caption];
}
}