module());
        $controller = strtolower($request->controller());
        $action = strtolower($request->action());
        if ($module == 'admin') {
            // 如果没有定义主题就用  sdtheme-white
            if ($controller == 'index' && $action == 'index') {
                if (!config('fastadmin.adminskin') && !cookie('adminskin')) {
                    $content = preg_replace(
                        '/(
]*class=")([^"]*)(")/',
                        '$1$2  sdtheme-white $3',
                        $content
                    );
                }
                // 右侧菜单栏增加主题
                $newItem = '
sdtheme
';
                $content = preg_replace(
                    '/(]*class="list-unstyled clearfix skin-list"[^>]*>)/',
                    '$1' . $newItem,
                    $content
                );
            }
            if (!($controller == 'index' && $action == 'login')) {
                $version = config('site.version');
                $cdnurl = config('site.cdnurl');
                $html = "";
                $content = preg_replace(
                    '//is',
                    $html,
                    $content
                );
                $content = preg_replace(
                    '/(]*class=")([^"]*)(")/',
                    '$1$2 sdtheme-body $3',
                    $content
                );
            }
        }
    }
    /**
     * 插件安装方法
     * @return bool
     */
    public function install()
    {
        $menu=[];
        $config_file= ADDON_PATH ."sdtheme" . DS.'config'.DS. "menu.php";
        if (is_file($config_file)) {
            $menu = include $config_file;
        }
        if($menu){
            Menu::create($menu);
        }
        return true;
    }
    /**
     * 插件卸载方法
     * @return bool
     */
    public function uninstall()
    {
        $info=get_addon_info('sdtheme');
        Menu::delete(isset($info['first_menu'])?$info['first_menu']:'sdtheme');
        return true;
    }
    /**
     * 插件启用方法
     */
    public function enable()
    {
        $info=get_addon_info('sdtheme');
        Menu::enable(isset($info['first_menu'])?$info['first_menu']:'sdtheme');
    }
    /**
     * 插件禁用方法
     */
    public function disable()
    {
        $info=get_addon_info('sdtheme');
        Menu::disable(isset($info['first_menu'])?$info['first_menu']:'sdtheme');
    }
}