public FileNameEventArgs(string fileName)
{
this.fileName = FileName.Create(fileName);
}
public static FileOperationResult ObservedLoad(NamedFileOperationDelegate saveFileAs, FileName fileName, FileErrorPolicy policy = FileErrorPolicy.Inform)
{
return(ObservedLoad(saveFileAs,
fileName,
ResourceService.GetString("ICSharpCode.Services.FileUtilityService.CantLoadFileStandardText"),
policy));
}
public FileNameEventArgs(FileName fileName)
{
this.fileName = fileName;
}
public static FileOperationResult ObservedLoad(NamedFileOperationDelegate saveFileAs, FileName fileName, string message, FileErrorPolicy policy = FileErrorPolicy.Inform)
{
return(ObservedLoad(new FileOperationDelegate(delegate { saveFileAs(fileName); }), fileName, message, policy));
}
static FileOperationResult ObservedLoadHandleException(Exception e, FileOperationDelegate loadFile, FileName fileName, string message, FileErrorPolicy policy)
{
message = message + Environment.NewLine + Environment.NewLine + e.Message;
var messageService = ServiceSingleton.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);
}
// Observe LOAD functions
public static FileOperationResult ObservedLoad(FileOperationDelegate loadFile, FileName fileName, string message, FileErrorPolicy policy)
{
try
{
loadFile();
OnFileLoaded(new FileNameEventArgs(fileName));
return(FileOperationResult.OK);
}
catch (IOException e)
{
return(ObservedLoadHandleException(e, loadFile, fileName, message, policy));
}
catch (UnauthorizedAccessException e)
{
return(ObservedLoadHandleException(e, loadFile, fileName, message, policy));
}
catch (FormatException e)
{
return(ObservedLoadHandleException(e, loadFile, fileName, message, policy));
}
}
public static FileOperationResult ObservedSave(NamedFileOperationDelegate saveFileAs, FileName fileName, string message, FileErrorPolicy policy = FileErrorPolicy.Inform)
{
System.Diagnostics.Debug.Assert(IsValidPath(fileName));
try
{
Directory.CreateDirectory(fileName.GetParentDirectory());
saveFileAs(fileName);
RaiseFileSaved(new FileNameEventArgs(fileName));
return(FileOperationResult.OK);
}
catch (IOException e)
{
return(ObservedSaveHandleError(e, saveFileAs, fileName, message, policy));
}
catch (UnauthorizedAccessException e)
{
return(ObservedSaveHandleError(e, saveFileAs, fileName, message, policy));
}
}
public static bool IsEqualFileName(FileName fileName1, FileName fileName2)
{
return(fileName1 == fileName2);
}