protected bool ValidateExit(bool ItemExit)
{
ControllerAskExitResult enabledResults = ControllerAskExitResult.None;
if (ItemExit)
{
if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanAcceptChanges))
enabledResults |= ControllerAskExitResult.Save;
if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanRejectChanges))
enabledResults |= ControllerAskExitResult.Reject;
if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanEndEdit))
{
enabledResults |= ControllerAskExitResult.EndEdit;
}
else if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanAcceptChanges) && TableContext.IsCanSaveInCache)
{
enabledResults |= ControllerAskExitResult.JustExit;
}
if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanCancelEdit))
enabledResults |= ControllerAskExitResult.CancelEdit;
}
else
{
if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanBatchAcceptChanges))
enabledResults |= ControllerAskExitResult.Save;
if (DataAvail.Utils.EnumFlags.IsContain(State, ControllerStates.CanBatchRejectChanges))
enabledResults |= ControllerAskExitResult.Reject;
}
if (enabledResults == ControllerAskExitResult.None)
{
return true;
}
else
{
enabledResults |= ControllerAskExitResult.CancelExit;
}
ControllerAskExitEventArgs args = new ControllerAskExitEventArgs(enabledResults);
OnAskExit(args);
if (ItemExit)
{
switch (args.result)
{
case ControllerAskExitResult.Save:
return Commands.Execute(ControllerCommandTypes.AcceptChanges);
case ControllerAskExitResult.Reject:
return Commands.Execute(ControllerCommandTypes.RejectChanges);
case ControllerAskExitResult.EndEdit:
return Commands.Execute(ControllerCommandTypes.EndEdit);
case ControllerAskExitResult.CancelEdit:
return Commands.Execute(ControllerCommandTypes.CancelEdit);
case ControllerAskExitResult.JustExit:
return true;
case ControllerAskExitResult.CancelExit:
return false;
}
}
else
{
switch (args.result)
{
case ControllerAskExitResult.Save:
return Commands.Execute(ControllerCommandTypes.BatchAcceptChanges);
case ControllerAskExitResult.Reject:
return Commands.Execute(ControllerCommandTypes.BatchRejectChanges);
case ControllerAskExitResult.JustExit:
return true;
case ControllerAskExitResult.CancelExit:
return false;
}
}
return true;
}
private void OnAskExit(ControllerAskExitEventArgs args)
{
if (AskExit != null)
AskExit(this, args);
}
