public function getContent()
    {
        if ( $this->_render_completed )
        {
            return $this->_content;
        }

        foreach ( $this->_view_levels as $view_level )
        {
            if ( $view_level["is_disabled"] )
            {
                continue;
            }

            $this->_view_levels[$view_level["name"]]["is_disabled"] = true;

            if ( $view_level["cache_enabled"] != false )
            {
                $this->getCacheContent( $view_level );
                return;
            }

            include( $this->_views_dir . $view_level["file_name"] . ".phtml" );
            return;
        }
    }