Voximplant::getUrl

static function getUrl(VolumeFragment $fragment): string
{
	$url = '';
	if ($fragment->getIndicatorType() == VolumeFolder::className() || $fragment->getIndicatorType() == VolumeFolderTree::className())
	{
		$folder = $fragment->getFolder();
		if (!$folder instanceof DiskFolder)
		{
			throw new ArgumentTypeException('Fragment must be subclass of '.DiskFolder::className());
		}
		$urlManager = DiskDriver::getInstance()->getUrlManager();

		$url = $urlManager->getUrlFocusController('openFolderList', ['folderId' => $folder->getId()]);
	}

	return $url;
}