function step4()
{
$dispatcher = JDispatcher::getInstance();
$checkout = JSFactory::getModel('checkoutShipping', 'jshop');
$checkout->checkStep(4);
$jshopConfig = JSFactory::getConfig();
$checkoutStep = JSFactory::getModel('checkoutStep', 'jshop');
$dispatcher->trigger('onLoadCheckoutStep4', array());
if ($jshopConfig->without_shipping) {
$checkoutStep = JSFactory::getModel('checkoutStep', 'jshop');
$next_step = $checkoutStep->getNextStep(4);
$checkout->setMaxStep($next_step);
$this->setRedirect($checkoutStep->getCheckoutUrl($next_step));
return 0;
}
JshopHelpersMetadata::checkoutShipping();
$cart = JSFactory::getModel('cart', 'jshop');
$cart->load();
$checkout->setCart($cart);
$adv_user = JSFactory::getUser();
$checkout_navigator = $checkout->showCheckoutNavigation(4);
$small_cart = $checkout->loadSmallCart(4);
$shippings = $checkout->getCheckoutListShippings($adv_user);
if ($shippings === false) {
JError::raiseWarning("", $checkout->getError());
return 0;
}
if (count($shippings) == 0 && $jshopConfig->checkout_step4_show_error_shipping_config) {
JError::raiseWarning("", _JSHOP_ERROR_SHIPPING);
}
$active_shipping = $checkout->getCheckoutActiveShipping($shippings, $adv_user);
if ($jshopConfig->hide_shipping_step) {
$first_shipping = $checkout->getCheckoutFirstShipping($shippings);
if (!$first_shipping) {
JError::raiseWarning("", _JSHOP_ERROR_SHIPPING);
return 0;
}
$this->setRedirect($checkoutStep->getCheckoutUrl('step4save&sh_pr_method_id=' . $first_shipping));
return 0;
}
$view = $this->getView("checkout");
$view->setLayout("shippings");
$view->assign('shipping_methods', $shippings);
$view->assign('active_shipping', $active_shipping);
$view->assign('config', $jshopConfig);
$view->assign('checkout_navigator', $checkout_navigator);
$view->assign('small_cart', $small_cart);
$view->assign('action', $checkoutStep->getCheckoutUrl('step4save', 0, 0));
$dispatcher->trigger('onBeforeDisplayCheckoutStep4View', array(&$view));
$view->display();
}
