private static FileOperationResult ObservedLoadHandleException(Exception e, FileOperationDelegate loadFile, FileName fileName, string message, FileErrorPolicy policy)
{
message = message + Environment.NewLine + Environment.NewLine + e.Message;
var messageService = Altaxo.Current.GetRequiredService <IMessageService>();
switch (policy)
{
case FileErrorPolicy.Inform:
messageService.InformSaveError(fileName, message, "${res:FileUtilityService.ErrorWhileLoading}", e);
break;
case FileErrorPolicy.ProvideAlternative:
ChooseSaveErrorResult r = messageService.ChooseSaveError(fileName, message, "${res:FileUtilityService.ErrorWhileLoading}", e, false);
if (r.IsRetry)
{
return(ObservedLoad(loadFile, fileName, message, policy));
}
else if (r.IsIgnore)
{
return(FileOperationResult.Failed);
}
break;
}
return(FileOperationResult.Failed);
}
public ChooseSaveErrorResult ChooseSaveError(FileName fileName, string message, string dialogName, Exception exceptionGot, bool chooseLocationEnabled)
{
ChooseSaveErrorResult r = ChooseSaveErrorResult.Ignore;
restartlabel:
var dlg = new SaveErrorChooseDialog(fileName, message, dialogName, exceptionGot, chooseLocationEnabled);
((GuiFactoryServiceWpfWin)Current.Gui).ShowDialog(dlg);
switch (dlg.DetailedDialogResult)
{
case SaveErrorChooseDialog.SaveErrorChooseDialogResult.ChooseLocation:
{
// choose location:
var fdiag = new SaveFileDialog
{
OverwritePrompt = true,
AddExtension = true,
CheckFileExists = false,
CheckPathExists = true,
Title = "Choose alternate file name",
FileName = fileName
};
if (fdiag.ShowDialog() == true)
{
r = ChooseSaveErrorResult.SaveAlternative(FileName.Create(fdiag.FileName));
break;
}
else
{
goto restartlabel;
}
}
case SaveErrorChooseDialog.SaveErrorChooseDialogResult.Retry:
r = ChooseSaveErrorResult.Retry;
break;
default:
r = ChooseSaveErrorResult.Ignore;
break;
}
return(r);
}