code/LeftAndMain.php
public function getSilverStripeNavigator()
    {
        $page = $this->currentPage();
        if ($page instanceof CMSPreviewable) {
            $navigator = new SilverStripeNavigator($page);
            return $navigator->renderWith($this->getTemplatesWithSuffix('_SilverStripeNavigator'));
        }
        return null;
    }
public function getSilverStripeNavigator()
    {
        $page = $this->currentPage();
        if ($page instanceof CMSPreviewable) {
            $navigator = new SilverStripeNavigator($page);
            return $navigator->renderWith($this->getTemplatesWithSuffix('_SilverStripeNavigator'));
        }
        return null;
    }
public function getSilverStripeNavigator ( ) { $ page = $ this -> currentPage ( ) ; if ( $ page instanceof CMSPreviewable ) { $ navigator = new SilverStripeNavigator ( $ page ) ; return $ navigator -> renderWith ( $ this -> getTemplatesWithSuffix ( '_SilverStripeNavigator' ) ) ; } return null ; }
Used for preview controls, mainly links which switch between different states of the page.

@return DBHTMLText
Used for preview controls mainly links which switch between different states of the page .