/// <summary>
/// Opens a file.
/// TODO: Remove the switch cases and delegate.
/// TODO: Remove the knowledge of filetypes. What if we want to support MusicXML later? DONE
/// TODO: Remove the calling of the outer viewmodel layer. We want to be able reuse this in an ASP.NET Core application for example.
/// </summary>
/// <param name="fileName"></param>
public void OpenFile(string fileName)
{
FileLoaderFactory factory = new FileLoaderFactory();
FileLoader loader = factory.GetLoader(Path.GetExtension(fileName));
if (Path.GetExtension(fileName).EndsWith(".mid"))
{
MidiSequence = new Sequence();
MidiSequence.Load(fileName);
MidiPlayerViewModel.MidiSequence = MidiSequence;
this.LilypondText = LoadMidiIntoLilypond(MidiSequence);
this.LilypondViewModel.LilypondTextLoaded(this.LilypondText);
}
else if (Path.GetExtension(fileName).EndsWith(".ly"))
{
StringBuilder sb = new StringBuilder();
foreach (var line in File.ReadAllLines(fileName))
{
sb.AppendLine(line);
}
this.LilypondText = sb.ToString();
this.LilypondViewModel.LilypondTextLoaded(this.LilypondText);
}
else
{
throw new NotSupportedException($"File extension {Path.GetExtension(fileName)} is not supported.");
}
LoadLilypondIntoWpfStaffsAndMidi(LilypondText);
}
public Models.Track ReadFile(String path)
{
if (!IsMusicFile(path))
{
throw new NotSupportedException($"File extension {Path.GetExtension(path)} is not supported.");
}
IFileLoader loader = fileLoaderFactory.GetLoader(Path.GetExtension(path));
return(loader.FileToString(path));
}