/**
* Determines whether the object with the specified reference id has a preview.
*
* @param int $a_obj_id The id of the object to check.
* @param string $a_type The type of the object to check.
* @return bool true, if the object has a preview; otherwise, false.
*/
public static function hasPreview($a_obj_id, $a_type = "")
{
if (!ilPreviewSettings::isPreviewEnabled()) {
return false;
}
$preview = new ilPreview($a_obj_id, $a_type);
if ($preview->exists()) {
return true;
}
// does not exist, enable on demand rendering if there's any renderer that supports our object
require_once "./Services/Preview/classes/class.ilRendererFactory.php";
$renderer = ilRendererFactory::getRenderer($preview);
return $renderer != null;
}
