public function apply($transformer, $instant_article, $node)
{
// Builds the slideshow
$slideshow = Slideshow::create();
$instant_article->addChild($slideshow);
$gallery = $this->getProperty(self::PROPERTY_JETPACK_DATA_GALLERY, $node);
if ($gallery && isset($gallery)) {
foreach ($gallery as $gallery_image) {
// Constructs Image if it contains URL
if (!Type::isTextEmpty($gallery_image['src'])) {
$image = Image::create();
$image->withURL($gallery_image['src']);
// Constructs Caption element when present in the JSON
if (!Type::isTextEmpty($gallery_image['caption'])) {
$caption = Caption::create();
$caption->appendText($gallery_image['caption']);
$image->withCaption($caption);
}
$slideshow->addImage($image);
}
}
}
$transformer->transform($slideshow, $node);
return $instant_article;
}
public function apply($transformer, $instant_article, $node)
{
// Builds the slideshow
$slideshow = Slideshow::create();
$instant_article->addChild($slideshow);
$transformer->transform($slideshow, $node);
return $instant_article;
}
public function getContextClass()
{
return [Map::getClassName(), Image::getClassName(), Interactive::getClassName(), Slideshow::getClassName(), SocialEmbed::getClassName(), Video::getClassName()];
}
/**
* Sets the cover of InstantArticle with Image or Video
*
* @param Image|Video|Slideshow $cover The cover for the header of the InstantArticle
*
* @return $this
*/
public function withCover($cover)
{
Type::enforce($cover, [Image::getClassName(), Slideshow::getClassName(), Video::getClassName()]);
$this->cover = $cover;
return $this;
}
/**
* Adds new child elements to the front of this InstantArticle
*
* @param Element to be added to this Article.
*
* @return $this
*/
public function unshiftChild($child)
{
Type::enforce($child, [Ad::getClassName(), Analytics::getClassName(), AnimatedGIF::getClassName(), Audio::getClassName(), Blockquote::getClassName(), Image::getClassName(), H1::getClassName(), H2::getClassName(), Interactive::getClassName(), ListElement::getClassName(), Map::getClassName(), Paragraph::getClassName(), Pullquote::getClassName(), RelatedArticles::getClassName(), Slideshow::getClassName(), SocialEmbed::getClassName(), Video::getClassName()]);
array_unshift($this->children, $child);
return $this;
}
public function getContextClass()
{
return Slideshow::getClassName();
}
