Method render

public function render()
{
    $app = Factory::getApplication();
    $s = PhocacartRenderStyle::getStyles();
    $pC = PhocacartUtils::getComponentParameters();
    $uri = Uri::getInstance();
    $url['action'] = $uri->toString();
    $url['actionbase64'] = base64_encode($url['action']);
    $pos = PhocacartPos::isPos();
    if ($pos) {
        $url['linkcheckout'] = Route::_(PhocacartRoute::getPosRoute());
    } else {
        $url['linkcheckout'] = Route::_(PhocacartRoute::getCheckoutRoute());
    }
    if (empty($this->fullitems)) {
        $this->fullitems = $this->getFullItems();
        // get them from parent
        // SUBTOTAL
        if (empty($this->total)) {
            $this->total = $this->getTotal();
        }
        // COUPONTITLE
        if (empty($this->coupon['title'])) {
            $this->coupon['title'] = $this->getCouponTitle();
        }
    }
    $layout = new FileLayout('cart_checkout', null, array('component' => 'com_phocacart'));
    $d = array();
    $d['s'] = $s;
    /*if($app->isClient('administrator')) {
    			// client = 0, ask phoca cart frontend layouts
    			$d['client'] = 1;//admin
    			$layout 				= new FileLayout('cart_cart', null, array('component' => 'com_phocacart', 'client' => 0));
    
    		} else {
    			$d['client'] = 0;//frontend
    			$layout 				= new FileLayout('cart_cart', null, array('component' => 'com_phocacart'));
    		}*/
    $d['params'] = $pC;
    $d['fullitems'] = $this->fullitems;
    $d['total'] = $this->total;
    $d['fullitemsgroup'] = $this->fullitemsgroup;
    $d['coupontitle'] = $this->coupon['title'];
    $d['couponvalid'] = $this->coupon['valid'];
    $d['shippingcosts'] = $this->shipping['costs'];
    $d['paymentcosts'] = $this->payment['costs'];
    $d['action'] = $url['action'];
    $d['actionbase64'] = $url['actionbase64'];
    $d['linkcheckout'] = $url['linkcheckout'];
    $d['pathitem'] = PhocacartPath::getPath('productimage');
    $d['pos'] = $this->pos;
    $d['ticketid'] = (int) $this->ticket->id;
    $d['unitid'] = (int) $this->unit->id;
    $d['sectionid'] = (int) $this->section->id;
    return $layout->render($d);
}