/// <summary>
/// Reverts the page
/// </summary>
/// <param name="sender">The button the fired the event.</param>
/// <param name="e">Info about the event.</param>
private async void RevertButton_Click(object sender, RoutedEventArgs e)
{
var saveDialog = new SaveChangesDialog()
{
Title = $"Save changes to Invoice # {ViewModel.InvoiceNumber.ToString()}?",
Message = $"Invoice # {ViewModel.InvoiceNumber.ToString()} " +
"has unsaved changes that will be lost. Do you want to save your changes?"
};
await saveDialog.ShowAsync();
SaveChangesDialogResult result = saveDialog.Result;
switch (result)
{
case SaveChangesDialogResult.Save:
await ViewModel.SaveOrder();
ViewModel = await OrderDetailPageViewModel.CreateFromGuid(ViewModel.Id);
break;
case SaveChangesDialogResult.DontSave:
ViewModel = await OrderDetailPageViewModel.CreateFromGuid(ViewModel.Id);
break;
case SaveChangesDialogResult.Cancel:
break;
}
}
/// <summary>
/// Loads the specified order, a cached order, or creates a new order.
/// </summary>
/// <param name="e">Info about the event.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// Determine whether a valid order was provided.
var order = e.Parameter as Order;
if (order != null)
{
ViewModel = new OrderDetailPageViewModel(order);
}
else
{
// If order is null, check to see whether a customer was provided.
var customer = e.Parameter as Customer;
if (customer != null)
{
// Create a new order for the specified customer.
ViewModel = new ViewModels.OrderDetailPageViewModel(new Order(customer));
}
// If no order or customer was provided,
// check to see if we have a cached order.
// If we don't, create a blank new order.
else if (ViewModel == null)
{
ViewModel = new OrderDetailPageViewModel(new Order());
}
}
base.OnNavigatedTo(e);
}
/// <summary> /// Reloads the order. /// </summary> /// <param name="sender">The button the fired the event.</param> /// <param name="e">Info about the event.</param> private async void RefreshButton_Click(object sender, RoutedEventArgs e) => ViewModel = await OrderDetailPageViewModel.CreateFromGuid(ViewModel.Id);
