private async void PART_Stepper_ContinueNavigation(object sender, MaterialDesignExtensions.Controls.StepperNavigationEventArgs args)
{
// 发送申请
DonationMaterialListViewModel selected = (DonationMaterialListViewModel)MaterialSelectListBox.SelectedItem;
if (selected == null)
{
MainWindow.SetSnackBarContentAndPopup("请选择要捐赠的物资");
args.Cancel = true;
return;
}
else if (QuantityInputBox.Value == null || QuantityInputBox.Value <= 0)
{
MainWindow.SetSnackBarContentAndPopup("不合法的数目");
args.Cancel = true;
return;
}
NewDonationResponse response = await NetworkHelper.GetAsync(new NewDonationRequest()
{
MaterialId = selected.OriginItem.Id,
Quantity = (int)QuantityInputBox.Value,
Address = UserInfo.HomeAddress
}).Progress(ParentWindow.PART_ProgressBar);
DonationViewModel = new DonationListViewModel(response.Item);
DonationDetailViewModel = new DonationDetailViewModel(await NetworkHelper.GetAsync(new GetDonationDetailRequest()
{
UserId = UserInfo.Id,
DonationId = DonationViewModel.OriginalItem.ID
}).Progress(ParentWindow.PART_ProgressBar));
RefreshApplicationCardView();
}
private async void Page_Loaded(object sender, RoutedEventArgs e)
{
if (DonationViewModel != null)
{
// 查看已存在的捐赠
// 1. 网络请求
DonationDetailViewModel = new DonationDetailViewModel(await NetworkHelper.GetAsync(new GetDonationDetailRequest()
{
UserId = UserInfo.Id,
DonationId = DonationViewModel.OriginalItem.ID
}).Progress(ParentWindow.PART_ProgressBar));
// 2. 根据DonationViewModel来生成正确的Tab显示
switch (DonationViewModel.OriginalItem.State)
{
case DonationState.Applying:
PART_Stepper.Controller.GotoStep(1);
break;
case DonationState.WaitingDelivery:
case DonationState.Delivering:
PART_Stepper.Controller.GotoStep(2);
break;
case DonationState.Done:
PART_Stepper.Controller.GotoStep(3);
break;
default:
PART_Stepper.Controller.GotoStep(1);
break;
}
}
else
{
// 填写新申请
// 1. 请求所有可选的物资
AvailableDonationMaterialResponse response = await NetworkHelper.GetAsync(new AvailableDonationMaterialRequest()
{
})
.Progress(ParentWindow.PART_ProgressBar);
MaterialListViewModels = new ObservableCollection <DonationMaterialListViewModel>(response.Items.Select(i => new DonationMaterialListViewModel(i)));
MaterialSelectListBox.ItemsSource = MaterialListViewModels;
// 2. 初始化好填写界面
RefreshAddressInfo();
PART_Stepper.Controller.GotoStep(0);
}
RefreshApplicationCardView();
}