public function setStyle($style)
    {
        $dir = ForumEnv::get('WEB_ROOT').'themes/'.$style.'/';
        if (!is_dir($dir)) {
            throw new RunBBException('The style '.$style.' doesn\'t exist');
        }

        if (is_file($dir . 'bootstrap.php')) {
            $vars = include_once $dir . 'bootstrap.php';
            // file exist but return nothing
            if (!is_array($vars)) {
                $vars = [];
            }
            foreach ($vars as $key => $assets) {
                if ($key === 'jsraw' || !in_array($key, ['js', 'jshead', 'css'])) {
                    continue;
                }
                foreach ($assets as $asset) {
                    $params = ($key === 'css') ? ['type' => 'text/css', 'rel' => 'stylesheet'] : (
                    ($key === 'js' || $key === 'jshead') ? ['type' => 'text/javascript'] : []
                    );
                    $this->addAsset($key, $asset, $params);
                }
            }
            $this->set('jsraw', isset($vars['jsraw']) ? $vars['jsraw'] : '');
        }

        if (isset($vars['themeTemplates']) && $vars['themeTemplates'] == true) {
            $templatesDir = ForumEnv::get('WEB_ROOT').'themes/'.$style.'/view';
        } else {
            $templatesDir = ForumEnv::get('FORUM_ROOT') . 'View/';
        }

        $this->set('style', (string) $style);

        $this->addTemplatesDirectory($templatesDir);
    }