public void JournalBackExecute()
{
if (_navigationJournal.CanGoBack)
{
_navigationJournal.GoBack();
}
}
/// <summary>
/// Closes the view by:
/// 1. Assigning the <see cref="_keepAliveState"/> field to false.
/// This field's value is returned when the <see cref="IRegionMemberLifetime.KeepAlive"/> property is
/// access during navigation. If false, the navigation system will remove this object from the region.
/// The navigation system is smart. It checks both the View and View's ViewModel to see if they implement
/// this interface. So, even if the ViewModel is the only object to provide implementation, the View/ViewModel
/// pair will still be removed from the region.
///
/// 2. Using the journal to navigate back.
/// </summary>
void CloseExecute()
{
if (_navigationJournal.CanGoBack)
{
_keepAliveState = false;
_logger.Log(Logger.Scenario.CloseView, Constants.Global.CloseJournalBackInitiated);
_navigationJournal.GoBack();
}
}
private void AddFields()
{
foreach (var selectedField in Fields.Where(f => f.IsSelected))
{
selectedField.Field.Add();
}
_journal.GoBack();
}
public AccountViewModel(IRegionManager regionManager, IDialogService dialogService) : base(dialogService)
{
_regionManager = regionManager;
_dialogService = dialogService;
OnSave = new DelegateCommand(Save, CanSave)
.ObservesProperty(() => this.Account.FirstName)
.ObservesProperty(() => this.Account.LastName);
GoBackCommand = new DelegateCommand(() => _journal.GoBack(), () => _journal?.CanGoBack ?? false);
//ConfirmationRequest = new InteractionRequest<IConfirmation>();
}
public void GoBack()
{
if (_journal.CanGoBack)
{
_journal.GoBack();
}
}
/// <summary>
/// 上一步
/// </summary>
private void MovePrev()
{
if (journal != null && journal.CanGoBack)
{
journal.GoBack();
}
}
private void Save()
{
if (!this.HasErrors)
{
Action a = async() =>
{
var content = new Dictionary <string, object> {
{ "Barcode", Product.Barcode },
{ "Name", Product.Name },
{ "Price", Product.Price },
{ "CategoryId", Product.CategorySelected.Id },
{ "SupplierId", Product.SupplierSelected.Id },
{ "Pin", Product.Pin },
{ "ExpirationDate", Product.ExpirationDate },
{ "Unit", Product.Unit },
{ "Img", Product.Img }
};
bool isSuccess = false;
if (IsEnable)
{
isSuccess = await RestApiUtils.Instance.Post("api/product/update", content);
}
else
{
isSuccess = await RestApiUtils.Instance.Post("api/product/add", content);
}
if (isSuccess)
{
_journal.GoBack();
}
};
ExecuteAction(a);
}
}
private void Save()
{
if (!this.HasErrors)
{
Action a = async() =>
{
var content = new Dictionary <string, object> {
{ "Id", Customer.Id },
{ "Name", Customer.Name },
{ "Address", Customer.Address },
{ "Contact", Customer.Contact },
};
bool isSuccess = false;
if (IsEnable)
{
isSuccess = await RestApiUtils.Instance.Post("api/customer/update", content);
}
else
{
isSuccess = await RestApiUtils.Instance.Post("api/customer/add", content);
}
if (isSuccess)
{
_journal.GoBack();
}
};
ExecuteAction(a);
}
}
void OnCommit()
{
DbConversation.UsingTransaction(() =>
{
if (EditMode == EditMode.Add)
{
DbConversation.Insert(CurrentEdit);
EventAggregator.GetEvent <UserAddedEvent>().Publish(CurrentEdit);
}
else
{
foreach (var user in _editedUsers)
{
if (CurrentEdit.Name != null)
{
user.Name = CurrentEdit.Name;
}
if (CurrentEdit.UserRole != null)
{
user.UserRole = CurrentEdit.UserRole;
}
EventAggregator.GetEvent <UserChangedEvent>().Publish(user);
}
}
});
if (_navigationJournal != null)
{
_navigationJournal.GoBack();
}
}
private void NavigateBack()
{
if (_journal.CanGoBack)
{
_journal.GoBack();
return;
}
throw new InvalidOperationException("NavigationBack cannot be done");
}
private void GoBack()
{
if (_journal.CanGoBack == false)
{
RegionManager.RequestNavigate("MainRegion", "HomeTilesView");
}
else
{
_journal.GoBack();
}
}
public AccountCreateViewModel(IRegionManager regionManager, IDialogService dialogService,
IEventAggregator ea) : base(dialogService)
{
_regionManager = regionManager;
_ea = ea;
OnSave = new DelegateCommand(Save, CanSave)
.ObservesProperty(() => this.Account.FirstName)
.ObservesProperty(() => this.Account.LastName);
OnBackCommand = new DelegateCommand(() => _journal.GoBack(), () => _journal?.CanGoBack ?? false);
}
void GoBack()
{
// todo: 15 - Using the journal to navigate back.
//
// This view model offers a GoBack command and uses
// the journal captured in OnNavigatedTo to
// navigate back to the prior view.
if (_navigationJournal != null)
{
_navigationJournal.GoBack();
}
}
private void GoBack()
{
BatsmenTotalPoints = null;
BowlingTotalPoints = null;
FielderNameDupPoints = null;
FielderBonousPoints = null;
FielderTotalPoints = null;
NameCollectionTotalPoints = null;
FPLteamTotalPoints = null;
FPLTotal_Points = null;
// _journal.Clear();
_journal.GoBack();
}
/// <summary>
/// Goes back.
/// </summary>
public void GoBack()
{
// Save current entry
var currentEntry = CurrentEntry;
// try and go back
_regionNavigationJournal.GoBack();
// if currententry isn't equal to previous entry then we moved back
if (CurrentEntry != currentEntry)
{
_backStack.Pop();
}
}
private void SendEmail()
{
SendState = SendingStateKey;
_emailService.BeginSendEmailDocument(
_emailDocument,
r => _synchronizationContext.Post(
s =>
{
SendState = SentStateKey;
// todo: 05 - Send Email: Navigating back
// After the email has been 'sent' (we're using a mock mail service
// in this application), the view model uses the navigation journal
// it captured when it was navigated to (see the OnNavigatedTo in
// this class) to navigate the region to the prior view.
if (_navigationJournal != null)
{
_navigationJournal.GoBack();
}
},
null),
null);
}
private void Save()
{
if (!this.HasErrors)
{
Action a = async() =>
{
var content = new Dictionary <string, object> {
{ "Id", Category.Id },
{ "Name", Category.Name },
{ "Description", Category.Description },
};
//Update
if (IsEnable && await RestApiUtils.Instance.Post("api/category/update", content))
{
_journal.GoBack();
}
//Add
var addedData = await RestApiUtils.Instance.Post <CategoryModel>("api/category/add", content);
if (addedData != null)
{
var parameters = new NavigationParameters();
parameters.Add("categoryAdd", addedData);
_regionManager.RequestNavigate(RegionNames.ContentRegion, nameof(CategoryListView), parameters);
}
//bool isSuccess = false;
//if (IsEnable)
// isSuccess = await RestApiUtils.Instance.Post("api/category/update", content);
//else
// isSuccess = await RestApiUtils.Instance.Post("api/category/add", content);
//if (isSuccess)
//{
// if(IsEnable)
// _journal.GoBack();
// else
// {
// var parameters = new NavigationParameters();
// parameters.Add("category", content);
// }
//}
};
ExecuteAction(a);
}
}
private void GoBack()
{
journal.GoBack();
}
private void goBack()
{
_journal.GoBack();
}
private void Close() => journal?.GoBack();
public void Back()
{
journal.GoBack();
}
private void Cancel()
{
_joirnal.GoBack();
}
private void gb()
{
j.GoBack();
}
private void GoBack()
{
// 导航到返回导航历史记录中的最新条目，或者如果后面导航中没有条目，则什么也不做。
_journal.GoBack();
}
private void Cancel()
{
Item.RefreshFromModel();
_journal.GoBack();
}
/// <summary>
/// Called when [go back] to show the SearchedSongsView
/// </summary>
private void OnGoBack()
{
Log($"Navigating back from {_journal?.CurrentEntry.Uri}");
_journal?.GoBack();
}
private void GoBack()
{
Video = null;
_journal.GoBack();
}
void ExecuteGoBackCommand()
{
_journal.GoBack();
}
/// <summary>
/// 返回
/// </summary>
protected void GoBack()
{
regionNavigationJournal?.GoBack();
}
private void GoBack()
{
_eventAggregator.GetEvent <StatusUpdatedEvent>().Publish("You used \"Go Back\" functionality of Navigation Journal.");
_journal.GoBack();
}