public OrderDetailsViewModel(IAccountPositionService accountPositionService, IOrdersService ordersService)
{
this.accountPositionService = accountPositionService;
this.ordersService = ordersService;
this.transactionInfo = new TransactionInfo();
//use localizable enum descriptions
this.AvailableOrderTypes = new ValueDescriptionList<OrderType>
{
new ValueDescription<OrderType>(OrderType.Limit, Resources.OrderType_Limit),
new ValueDescription<OrderType>(OrderType.Market, Resources.OrderType_Market),
new ValueDescription<OrderType>(OrderType.Stop, Resources.OrderType_Stop)
};
this.AvailableTimesInForce = new ValueDescriptionList<TimeInForce>
{
new ValueDescription<TimeInForce>(TimeInForce.EndOfDay, Resources.TimeInForce_EndOfDay),
new ValueDescription<TimeInForce>(TimeInForce.ThirtyDays, Resources.TimeInForce_ThirtyDays)
};
this.SubmitCommand = new DelegateCommand<object>(this.Submit, this.CanSubmit);
this.CancelCommand = new DelegateCommand<object>(this.Cancel);
this.SetInitialValidState();
}
public OrderDetailsPresentationModel(IOrderDetailsView view, IAccountPositionService accountPositionService, IOrdersService ordersService)
{
View = view;
this.accountPositionService = accountPositionService;
this.ordersService = ordersService;
_transactionInfo = new TransactionInfo();
//use localizable enum descriptions
AvailableOrderTypes = new List<ValueDescription<OrderType>>
{
new ValueDescription<OrderType>(OrderType.Limit, Resources.OrderType_Limit),
new ValueDescription<OrderType>(OrderType.Market, Resources.OrderType_Market),
new ValueDescription<OrderType>(OrderType.Stop, Resources.OrderType_Stop)
};
AvailableTimesInForce = new List<ValueDescription<TimeInForce>>
{
new ValueDescription<TimeInForce>(TimeInForce.EndOfDay, Resources.TimeInForce_EndOfDay),
new ValueDescription<TimeInForce>(TimeInForce.ThirtyDays, Resources.TimeInForce_ThirtyDays)
};
View.Model = this;
ValidateModel();
SubmitCommand = new DelegateCommand<object>(Submit, CanSubmit);
CancelCommand = new DelegateCommand<object>(Cancel);
SubmitCommand.IsActive = view.IsActive;
CancelCommand.IsActive = view.IsActive;
view.IsActiveChanged += view_IsActiveChanged;
}
partial void SetTransactionInfo(TransactionInfo transactionInfo)
{
//This instance of TransactionInfo acts as a "shared model" between this view and the order details view.
//The scenario says that these 2 views are decoupled, so they don't share the presentation model, they are only tied
//with this TransactionInfo
this.orderDetailsViewModel.TransactionInfo = transactionInfo;
this.HeaderInfo = transactionInfo.TickerSymbol;
}
partial void SetTransactionInfo(TransactionInfo transactionInfo)
{
//This instance of TransactionInfo acts as a "shared model" between this view and the order details view.
//The scenario says that these 2 views are decoupled, so they don't share the view model, they are only tied
//with this TransactionInfo
this.orderDetailsViewModel.TransactionInfo = transactionInfo;
//Bind the CompositeOrderView header to a string representation of the TransactionInfo shared instance (we expect the details view model to modify it from user interaction).
MultiBinding binding = new MultiBinding();
binding.Bindings.Add(new Binding("TransactionType") { Source = transactionInfo });
binding.Bindings.Add(new Binding("TickerSymbol") { Source = transactionInfo });
binding.Converter = new OrderHeaderConverter();
BindingOperations.SetBinding(this, HeaderInfoProperty, binding);
}
public void VerifyTransactionInfoModificationsInOrderDetails()
{
var orderDetailsViewModel = new OrderDetailsViewModel(new MockAccountPositionService(), null);
var transactionInfo = new TransactionInfo { TickerSymbol = "Fund0", TransactionType = TransactionType.Buy };
orderDetailsViewModel.TransactionInfo = transactionInfo;
orderDetailsViewModel.TransactionType = TransactionType.Sell;
Assert.AreEqual(TransactionType.Sell, transactionInfo.TransactionType);
orderDetailsViewModel.TickerSymbol = "Fund1";
Assert.AreEqual("Fund1", transactionInfo.TickerSymbol);
}
