private IMachine OpenMachine()
{
PromptForFileEventArgs args = new PromptForFileEventArgs(FileTypes.Machine, true);
//args.FileType = FileTypes.Machine;
//args.Existing = true;
PromptForFile?.Invoke(this, args);
string filepath = args.Filepath;
if (filepath == null)
{
return(null);
}
string fullFilepath = System.IO.Path.GetFullPath(filepath);
IMachine machine = Machines.FirstOrDefault(
m =>
{
if (m is IPersistableMachine pm)
{
return(String.Compare(pm.PersistantFilepath, fullFilepath, true) == 0);
}
return(false);
});
if (machine == null)
{
machine = _model.AddMachine(fullFilepath, _fileSystem, true);
}
return(machine);
}
public void Persist(IPersistableMachine machine)
{
if (machine == null)
{
throw new ArgumentNullException(nameof(machine));
}
if (!String.IsNullOrEmpty(machine.PersistantFilepath))
{
// Should throw exception here?
return;
}
PromptForFileEventArgs args = new PromptForFileEventArgs(FileTypes.Machine, false);
PromptForFile?.Invoke(this, args);
string filepath = args.Filepath;
machine.Persist(_fileSystem, filepath);
}
private byte[] PromptForMedia(bool disc)
{
string expectedExt = disc ? ".dsk" : ".cdt";
FileTypes type = disc ? FileTypes.Disc : FileTypes.Tape;
PromptForFileEventArgs promptForFileArgs = new PromptForFileEventArgs(type, true);
PromptForFile?.Invoke(this, promptForFileArgs);
string filename = promptForFileArgs.Filepath;
if (filename == null)
{
// Action was cancelled by the user.
return(null);
}
byte[] buffer = null;
string ext = System.IO.Path.GetExtension(filename);
if (ext.ToLower() == ".zip")
{
string entry = null;
List <string> entries = _fileSystem.GetZipFileEntryNames(filename);
List <string> extEntries = entries.Where(x => System.IO.Path.GetExtension(x).ToLower() == expectedExt).ToList();
if (extEntries.Count == 0)
{
// No images available.
Diagnostics.Trace("No files with the extension \"{0}\" found in zip archive \"{1}\".", expectedExt, filename);
return(null);
}
else if (extEntries.Count == 1)
{
// Don't bother prompting the user, since there's only one!
entry = extEntries[0];
}
else
{
SelectItemEventArgs selectItemArgs = new SelectItemEventArgs(extEntries);
SelectItem?.Invoke(this, selectItemArgs);
entry = selectItemArgs.SelectedItem;
if (entry == null)
{
// Action was cancelled by the user.
return(null);
}
}
Diagnostics.Trace("Loading \"{0}\" from zip archive \"{1}\"", entry, filename);
buffer = _fileSystem.GetZipFileEntry(filename, entry);
}
else
{
Diagnostics.Trace("Loading \"{0}\"", filename);
buffer = _fileSystem.ReadBytes(filename);
}
return(buffer);
}