public function cancelOrderItem($observer)
{
if (!Mage::helper('udmulti')->isActive()) {
return parent::cancelOrderItem($observer);
}
$item = $observer->getEvent()->getItem();
$children = $item->getChildrenItems();
$qty = $item->getQtyOrdered() - max($item->getQtyShipped(), $item->getQtyInvoiced()) - $item->getQtyCanceled();
if ($item->getId() && ($productId = $item->getProductId()) && empty($children)) {
$qty = $item->getQtyOrdered() - $item->getQtyCanceled();
$parentItem = $item->getParentItem();
$qtyInvoiced = $qtyShipped = 0;
if ($item->isDummy(true) && $parentItem) {
$parentQtyShipped = $parentItem->getQtyShipped();
$parentQtyOrdered = $parentItem->getQtyOrdered();
$parentQtyOrdered = $parentQtyOrdered > 0 ? $parentQtyOrdered : 1;
$qtyShipped = $parentQtyShipped * $item->getQtyOrdered() / $parentQtyOrdered;
} elseif (!$item->isDummy(true)) {
$qtyShipped = $item->getQtyShipped();
}
if ($item->isDummy() && $parentItem) {
$parentQtyInvoiced = $parentItem->getQtyInvoiced();
$parentQtyOrdered = $parentItem->getQtyOrdered();
$parentQtyOrdered = $parentQtyOrdered > 0 ? $parentQtyOrdered : 1;
$qtyInvoiced = $parentQtyInvoiced * $item->getQtyOrdered() / $parentQtyOrdered;
} elseif (!$item->isDummy()) {
$qtyInvoiced = $item->getQtyInvoiced();
}
$qty -= max($qtyShipped, $qtyInvoiced);
if ($qty > 0) {
Mage::helper('udmulti')->saveThisVendorProductsPidKeys(array($productId => array('stock_qty_add' => $qty)), $item->getUdropshipVendor());
}
}
return $this;
}
