public function hookUserRolePermissions(array &$permissions)
    {
        $permissions['module_file_manager'] = gplcart_text('File manager: access');

        foreach ($this->getHandlers() as $command_id => $command) {
            $permissions["module_file_manager_$command_id"] = gplcart_text('File manager: perform command @name', array(
                '@name' => $command['name']));
        }
    }