01.import mx.controls.Alert;
02.import mx.formatters.CurrencyFormatter;
03.
04.public function form_complete():void
05.{
06. prepareCalculationBindings();
07.}
08.private var UnitPrices:ArrayCollection;
09.private var Quantitys:ArrayCollection;
10.private var Amounts:ArrayCollection;
11.private var Total:TextInput;
12.private var DiscountPercent:TextInput;
13.private var Discount:TextInput;
14.private var AfterDiscount:TextInput;
15.private var Vat:TextInput;
16.private var GrandTotal:TextInput;
17.
18.private function prepareCalculationBindings():void
19.{
20. UnitPrices = getElementsByName("UnitPrice");
21. Quantitys = getElementsByName("Quantity");
22. Amounts = getElementsByName("Amount");
23. Total = getElementsByName("Total")[0];
24. DiscountPercent = getElementsByName("DiscountPercent")[0];
25. Discount = getElementsByName("Discount")[0];
26. AfterDiscount = getElementsByName("AfterDiscount")[0];
27. Vat = getElementsByName("Vat")[0];
28. GrandTotal = getElementsByName("GrandTotal")[0];
29.
30. var cf:CurrencyFormatter = new CurrencyFormatter();
31. cf.precision = 2;
32. cf.currencySymbol = "";
33. cf.useThousandsSeparator = true;
34.
35. for(var i:int=0; i<UnitPrices.length; i++)
36. viewer.createMultiplyBinding(UnitPrices[i],"text",Quantitys[i],"text",Amounts[i],"text",1,cf)
37.
38. viewer.createSummationBinding(Amounts.toArray(),"text",Total,"text",1,cf);
39.
40. viewer.createMultiplyBinding(DiscountPercent,"text",Total,"text",Discount,"text",1/100,cf);
41.
42. viewer.createSubtractBinding(Total,"text",Discount,"text",AfterDiscount,"text",cf);
43.
44. viewer.createBasicNumberBinding(AfterDiscount,"text",Vat,"text",7/100,cf);
45.
46. viewer.createAdditionBinding(AfterDiscount,"text",Vat,"text",GrandTotal,"text",cf);
47.}
