public bool CanHandlePendingChanges([NotNull] Func <bool> hasPendingChanges,
PendingChangesOption pendingChangeOptions)
{
try
{
_hasPendingChanges = hasPendingChanges();
if (!_hasPendingChanges)
{
return(true);
}
_canSave = false;
if (!AutoSave)
{
return(CanHandle(pendingChangeOptions, out _canSave));
}
_canSave = true;
return(true);
}
catch (Exception e)
{
ErrorHandler.HandleError(e.Message, e, _msg, _owner);
return(false);
}
}
private bool CanHandle(PendingChangesOption pendingChanges, out bool save)
{
save = false;
bool canHandle;
switch (pendingChanges)
{
case PendingChangesOption.SaveDiscardCancel:
canHandle = ConfirmSaveDiscardCancelPendingChanges(out save);
break;
case PendingChangesOption.SaveCancel:
canHandle = ConfirmSaveCancelPendingChanges(out save);
break;
case PendingChangesOption.SaveDiscard:
canHandle = ConfirmSaveDiscardPendingChanges(out save);
break;
case PendingChangesOption.Save:
save = true;
canHandle = true;
break;
case PendingChangesOption.AssertNoPendingChanges:
throw new InvalidOperationException(
string.Format("Unexpected pending changes option: {0}", pendingChanges));
default:
throw new InvalidOperationException(
string.Format("Unknown pending changes option: {0}", pendingChanges));
}
return(canHandle);
}
