/// <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();
}
void Update()
{
MusicalSequence sequence = MusicalSequence.FirstEnabled;
if (sequence != null)
{
if (!lastSequence.EqualsAllOrdered(sequence.sequence))
{
lastSequence = new List <int>(sequence.sequence);
foreach (Transform child in rootObj.transform)
{
Destroy(child.gameObject);
}
for (int i = 0; i < lastSequence.Count; i++)
{
Instantiate(uiNotePrefabs[lastSequence[i]], rootObj.transform);
}
}
int selectedNote = sequence.curIndex;
for (int i = 0; i < rootObj.transform.childCount; i++)
{
RectTransform rectTransform = (RectTransform)rootObj.transform.GetChild(i);
if (rectTransform)
{
rectTransform.sizeDelta = (selectedNote == i)? bigSize:smallSize;
}
}
rootObj.SetActive(true);
}
else
{
rootObj.SetActive(false);
}
}
public LilypondContext()
{
Sequence = new MusicalSequence
{
Symbols = new List <IMusicalSymbol>()
};
CurrentOctave = 4;
}
public void LoadLilyPond(string lilyContent)
{
try
{
SequenceReader lilyReader = new LilypondSequenceReader(lilyContent);
Sequence = lilyReader.Sequence;
LoadStaffsAndMidi();
}
catch (Exception) { }
}
protected SequenceReader()
{
Sequence = new MusicalSequence();
}
