public void OnUserFeedback(object sender, UserFeedbackEventArgs userFeedbackEventArgs)
{
if (this.UserFeedback != null)
{
this.UserFeedback(sender, userFeedbackEventArgs);
}
}
private bool HandleUserFeedbackRequest(UserFeedbackEventArgs args)
{
if (UserFeedbackUsesOverlays)
{
if (args is ExceptionFeedbackEventArgs)
{
Feedback(new ExceptionFeedbackVM(), (ExceptionFeedbackEventArgs )args);
}
else if (args is DetailMessageFeedbackEventArgs)
{
Feedback(new DetailMessageFeedbackVM(), (DetailMessageFeedbackEventArgs)args);
}
else if (args is MessageFeedbackEventArgs)
{
Feedback(new MessageFeedbackVM(), (MessageFeedbackEventArgs )args);
}
else if (args is InputFeedbackEventArgs)
{
Feedback(new InputFeedbackVM(), (InputFeedbackEventArgs )args);
}
// else if(args is OpenFileFeedbackEventArgs ) Feedback(new OpenFileFeedbackVM (),(OpenFileFeedbackEventArgs ) args);
// else if(args is SaveFileFeedbackEventArgs ) Feedback(new SaveFileFeedbackVM (),(SaveFileFeedbackEventArgs ) args);
else
{
return(false);
}
}
return(false);
}
/// <summary> [EXPERIMENTAL] override RequestUserFeedbackCore for overlays
/// </summary>
/// <param name="args">The <see cref="UserFeedbackEventArgs" /> instance containing the event data.</param>
protected override void RequestUserFeedbackCore(UserFeedbackEventArgs args)
{
if (!HandleUserFeedbackRequest(args))
{
base.RequestUserFeedbackCore(args);
}
}
/// <summary> Requests a user feedback.
/// </summary>
/// <param name="args">The <see cref="UserFeedbackEventArgs"/> instance containing the event data.</param>
/// <param name="callback"> The callback method which is called after feedback </param>
/// <param name="state"> a user-defined object that qualifies or contains information about an feedback operation. </param>
public void RequestUserFeedback(UserFeedbackEventArgs args, Action <UserFeedbackEventArgs> callback = null, object state = null)
{
if (callback != null || state != null)
{
args.AsyncCallback = callback;
args.AsyncCallbackParameters = state;
}
RequestUserFeedbackCore(args);
}
protected virtual void RequestUserFeedbackCore(UserFeedbackEventArgs args)
{
if (args.Source == null)
{
args.Source = this;
}
//Routing strategy: bubble to root until first handler found which sets the IsHandled/IsHandledAsync to true
if (UserFeedbackRequested != null)
{
EventUtil.Raise(UserFeedbackRequested, this, args, "{B85E48C5-EBC3-401C-A4F9-D89E930D7278}");
if (args.AsyncHandled)
{
return;
}
if (args.Handled)
{
return;
}
}
if (LazyWeakEventStore.IsValueCreated)
{
EventManager.Raise <EventHandler <UserFeedbackEventArgs>, UserFeedbackEventArgs>(LazyWeakEventStore, "UserFeedbackRequestedEvent", args);
if (args.AsyncHandled)
{
return;
}
if (args.Handled)
{
return;
}
}
if (Parent is ObjectBM)
{
((ObjectBM)Parent).RequestUserFeedbackCore(args);
}
else if (Parent != null)
{
Parent.RequestUserFeedback(args);
}
else
{
throw new NotImplementedException("UserFeedbackRequested handler not registered and no parent present!" +
"\n\t" + "Model: " + DebugUtil.FormatTypeName(this) +
"\n\t" + "OriganalSource: " + DebugUtil.FormatTypeName(args.Source) +
"\n\t" + "EventArgs: " + DebugUtil.FormatTypeName(args) +
"\n\t" + "ErrorID: {8502A3BA-6131-436C-9D2F-627391E060D8}");
}
}
/// <summary>
/// Handles UserFeedbacks
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void viewModelEvents_UserFeedback(object sender, UserFeedbackEventArgs e)
{
e.Result = MessageBox.Show(mainWindow, e.Message, e.Caption, e.Button, e.Image);
}
protected virtual void RequestUserFeedbackCore(UserFeedbackEventArgs args)
{
if (args.Source == null)
{
args.Source = this;
}
//Routing strategy: bubble to root until first handler found
if (UserFeedbackRequested != null)
{
UserFeedbackRequested(this, args);
}
if (args.AsyncHandled)
{
return;
}
if (args.Handled)
{
if (args.AsyncCallback != null)
{
args.AsyncCallback(args);
}
return;
} //TODO revise calling of AsyncCallback
EventManager.Raise <EventHandler <UserFeedbackEventArgs>, UserFeedbackEventArgs>(LazyWeakEventStore, "UserFeedbackRequestedEvent", args);
if (args.AsyncHandled)
{
return;
}
if (args.Handled)
{
if (args.AsyncCallback != null)
{
args.AsyncCallback(args);
}
return;
} //TODO revise calling of AsyncCallback
if (Parent is ObjectVM)
{
((ObjectVM)Parent).RequestUserFeedbackCore(args);
}
else if (Parent != null)
{
Parent.RequestUserFeedback(args);
}
else
{
//TODO: revise no UserFeedbackRequested handler registered
if (args is BusyUserFeedbackEventArgs && ((BusyUserFeedbackEventArgs)args).IsBusy == true)
{
//if no one in the hierarchy uses e.g. BusyAdornerBehavior ignore this RequestUserFeedback
Debug.WriteLine("WARNING: UserFeedbackRequested handler (for BusyUserFeedbackEventArgs) not registered and no parent present!" +
"\n\t" + "ViewModel: " + DebugUtil.FormatTypeName(this) +
"\n\t" + "ErrorID: {58358DEA-4028-413D-9BCD-641A8AA07BE5}"
);
return;
}
throw new NotImplementedException("UserFeedbackRequested handler not registered and no parent present!" +
"\n " + "Model: " + DebugUtil.FormatTypeName(this) +
"\n " + "OriginalSource: " + DebugUtil.FormatTypeName(args.Source) +
"\n " + "EventArgs: " + DebugUtil.FormatTypeName(args) +
"\n " + "ErrorID: {EA0BF43D-740F-4543-B67C-4E1D755252E1}");
}
}
public void OnUserFeedback(object sender, UserFeedbackEventArgs e)
{
this.events.OnUserFeedback(sender, e);
}
public void RequestUserFeedback(UserFeedbackEventArgs args)
{
RequestUserFeedbackCore(args);
}
public void HandleApplicationUserFeedbackRequests(UserFeedbackEventArgs args)
{
HandleUserFeedbackRequest(args);
}
