internal async void ExecuteRunDialog(WindowArgument argument)
{
AddFoodViewModel model;
switch (argument)
{
case WindowArgument.New:
model = new AddFoodViewModel();
break;
case WindowArgument.Edit:
model = new AddFoodViewModel(_mainViewModel.SelectedFood);
break;
default:
model = new AddFoodViewModel();
break;
}
//let's set up a little MVVM, cos that's what the cool kids are doing:
var view = new AddFoodView()
{
DataContext = model
};
//show the dialog
var result = await DialogHost.Show(view, "RootDialog");
//check the result...
Console.WriteLine("Dialog was closed, the CommandParameter used to close it was: " + (result ?? "NULL"));
CalculateDialogResult(argument, result);
}
private void CalculateDialogResult(WindowArgument argument, object result)
{
if (!(result is bool))
{
if ((argument == WindowArgument.Edit))
{
var index = _mainViewModel.FoodList.IndexOf(_mainViewModel.SelectedFood);
_mainViewModel.FoodList[index] = result as Food;
}
if (argument == WindowArgument.New)
{
_mainViewModel.FoodList.Add(result as Food);
}
}
}
