/// <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?
/// 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)
{
if (Path.GetExtension(fileName).EndsWith(".mid"))
{
SequenceReader midiReader = new MidiSequenceReader(fileName);
Sequence = midiReader.Sequence;
MidiSequence = new Sequence();
MidiSequence.Load(fileName);
LilypondViewModel.LilypondTextLoaded(LoadMidiIntoLilypond(MidiSequence));
}
else if (Path.GetExtension(fileName).EndsWith(".ly"))
{
StringBuilder sb = new StringBuilder();
foreach (var line in File.ReadAllLines(fileName))
{
sb.AppendLine(line);
}
LoadLilyPond(sb.ToString());
LilypondViewModel.LilypondTextLoaded(sb.ToString());
}
else
{
throw new NotSupportedException($"File extension {Path.GetExtension(fileName)} is not supported.");
}
LoadStaffsAndMidi();
}
