function validateSelectShipping($values)
{
$error = 0;
if (isset($values['shippingrequired'])) {
if ($values['shippingrequired'] == 1 && empty($values['shipping_plugin'])) {
throw new Exception(JText::_('K2STORE_CHECKOUT_SELECT_A_SHIPPING_METHOD'));
return false;
}
}
//if order value is zero, then return true
$order = $this->_order;
// get the items and add them to the order
$items = K2StoreHelperCart::getProducts();
foreach ($items as $item) {
$order->addItem($item);
}
$order->calculateTotals();
if ((double) $order->order_total == (double) '0.00') {
return true;
}
//trigger the plugin's validation function
// no matter what, fire this validation plugin event for plugins that extend the checkout workflow
$results = array();
$dispatcher = JDispatcher::getInstance();
$results = $dispatcher->trigger("onValidateSelectShipping", array($values));
for ($i = 0; $i < count($results); $i++) {
$result = $results[$i];
if (!empty($result->error)) {
throw new Exception($result->message);
return false;
}
}
if ($error == '1') {
return false;
}
return true;
}
