/**
* Return a new collection of media, given the native type.
* @param $type string (image,document,vector...)
* @return MediaCollection
*/
public function byType($type)
{
$collection = new MediaCollection();
foreach ($this->items as $media) {
if ($media->nativeType() == strtolower($type)) {
$collection->add($media);
}
}
return $collection;
}
