Also, using "double" for the price is a very bad idea. Use BigDecimal.
John On Wed, Aug 26, 2009 at 2:13 PM, John Huss <[email protected]> wrote: > Yeah, what you want is: > > value = [email protected]; > > John > > On Wed, Aug 26, 2009 at 1:48 PM, Michael Shkutkov <[email protected]>wrote: > >> I guess, the cause of this problem is the fact that NSArray implements >> NSKeyValueCoding interface and has valueForKey method. >> >> Obviously extending NSMutableArray is really bad idea... >> >> >> On Wed, Aug 26, 2009 at 9:20 PM, Francesco Romano < >> [email protected]> wrote: >> >>> Hi..This is a very simple question, and I was able to find a >>> workaround.. but I'd like to know where is the problem... >>> >>> I've this class: >>> >>> public class OrderComponent extends ERXComponent { >>> >>> >>> private TemporaryOrder order; >>> >>> >>> public OrderComponent(WOContext context) { >>> super(context); >>> } >>> >>> >>> public void setOrder(TemporaryOrder order) { >>> this.order = order; >>> } >>> >>> public TemporaryOrder order() { >>> return order; >>> } >>> >>> >>> @Override >>> public void awake() { >>> super.awake(); >>> setOrder(null); >>> } >>> >>> } >>> >>> All my order classes inherit from that class. (this only to have the >>> order object without rewriting it every time..). >>> >>> If I have this binding: >>> >>> CartSubtotal: WOString { >>> value = order.cart.cartTotal; >>> numberformat = "$#0.00"; >>> } >>> When I render the page I get this exception: >>> >>> valueForKey(): lookup of unknown key: 'cartTotal'. This class does not >>> have an instance variable of the name cartTotal or _cartTotal, nor a method >>> of the name cartTotal, _cartTotal, getCartTotal, or _getCartTotal' object >>> 'com.portonapoleone.store.utils.carti...@eac903' key 'cartTotal'> >>> >>> If I change the binding to this I have no problem: >>> >>> CartSubtotal: WOString { >>> value = cartTotal; >>> numberformat = "$#0.00"; >>> } >>> >>> public double cartTotal() { >>> return order().cart().cartTotal(); >>> } >>> >>> These are the other classes involved: >>> >>> public class TemporaryOrder { >>> private CartArray cart; >>> private String shipmentAddress; >>> >>> >>> public TemporaryOrder(CartArray c) { >>> cart = c; >>> } >>> >>> >>> public CartArray cart() { >>> return cart; >>> } >>> >>> public void setShipmentAddress(String shipmentAddress) { >>> this.shipmentAddress = shipmentAddress; >>> } >>> >>> public String shipmentAddress() { >>> return shipmentAddress; >>> } >>> >>> >>> } >>> >>> public class CartArray extends NSMutableArray<CartItem> { >>> >>> public boolean add(Prodotto p) { >>> return add(p,1); >>> } >>> >>> public boolean add(Prodotto p, int i) { >>> CartItem ci = new CartItem(p); >>> if (contains(ci)) { >>> CartItem oldCI = objectAtIndex(indexOf(ci)); >>> oldCI.quantity += i; >>> return true; >>> } >>> else { >>> ci.quantity = i; >>> return super.add(ci); >>> } >>> } >>> >>> >>> public double cartTotal() { >>> double total = 0; >>> Iterator<CartItem> it = this.iterator(); >>> CartItem ci = null; >>> while (it.hasNext()) { >>> ci = it.next(); >>> total += ci.totalPrice(); >>> } >>> >>> >>> return total; >>> } >>> >>> } >>> >>> Francesco >>> >>> >>> >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Webobjects-dev mailing list ([email protected]) >>> Help/Unsubscribe/Update your Subscription: >>> >>> http://lists.apple.com/mailman/options/webobjects-dev/shkutkov%40gmail.com >>> >>> This email sent to [email protected] >>> >> >> >> >> -- >> Cheers, Michael >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> >> http://lists.apple.com/mailman/options/webobjects-dev/johnthuss%40gmail.com >> >> This email sent to [email protected] >> > >
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