pendalf89\filemanager\models\Mediafile::getDefaultUploadThumbUrl PHP Method

    public function getDefaultUploadThumbUrl($baseUrl = '')
    {
        $size = Module::getDefaultThumbSize();
        $originalFile = pathinfo($this->url);
        $dirname = $originalFile['dirname'];
        $filename = $originalFile['filename'];
        $extension = $originalFile['extension'];
        $width = $size[0];
        $height = $size[1];
        return "{$dirname}/" . $this->getThumbFilename($filename, $extension, Module::DEFAULT_THUMB_ALIAS, $width, $height);
    }