/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel(IDataService dataService, IWindowService windowService)
{
_dataService = dataService;
_windowService = windowService;
Headers = new List<Header>();
Meals = new List<Meal>();
OrderItems = new ObservableCollection<OrderItem>();
if (IsInDesignMode)
{
var orderItem = new OrderItem
{
Description = "Meal Description",
Price = 10.95M,
Notes = "These are meal notes"
};
OrderItems.Add(orderItem);
var header = new Header {Title = "Starters"};
Headers.Add(header);
var meal = new Meal
{
Price = 5m,
ChickenPrice = 5m,
KingPrawnPrice = 5m,
LambPrice = 5m,
PrawnPrice = 5m,
VegetablePrice = 5m,
Title = "This is a meal"
};
Meals.Add(meal);
OrderNumber = "A0001";
Address = "David McCallum" + Environment.NewLine + "10 Bingham Broadway" + Environment.NewLine +
"EH15 3JL" + Environment.NewLine + "07757 438 032";
}
OrderNumber = "A0001";
Address = "David McCallum" + Environment.NewLine + "10 Bingham Broadway" + Environment.NewLine +
"EH15 3JL" + Environment.NewLine + "07757 438 032";
OrderItems.CollectionChanged += UpdateTotals;
}
private void MealAdded(object sender, MealAddedEventArgs e)
{
var meal = sender as Meal;
if (meal == null) return;
var id = OrderItems.Count == 0 ? 1 : OrderItems.Max(order => order.Id) + 1;
var item = new OrderItem();
item.AddMeal(id, meal, e.MealType);
item.OrderDeleted += DeleteOrderItem;
OrderItems.Add(item);
OnOrderItemAdded(new OrderItemAddedEventArgs {OrderItemAdded = item});
}