public async void LoadSong(string fileName)
{
IPlatformStorage storage = MainPage.PlatformStorage;
await storage.OpenFile(fileName, false);
try
{
// Get song details
// Name
// Number of section
SongName = storage.FileReadString();
int length = storage.FileReadInt();
SongList.Clear();
// For each section, get section details
// Name
// Repetitions
// Tempo
// BeatsPerMeasure
// BeatValue
// Number of notes in the sequence
// (The sequence)
for (int s = 0; s < length; s++)
{
// Basic properties
Section sec = Section.GetNewBasicSection();
sec.Name = storage.FileReadString();
sec.Repetitions = storage.FileReadInt();
sec.Tempo = (double)storage.FileReadFloat();
sec.BeatsPerMeasure = storage.FileReadInt();
sec.BeatValue = storage.FileReadInt();
int numberOfNotes = storage.FileReadInt();
sec.Sequence = new List <Note>();
// For each note in sequence, put all non-derived properties
// IsSound
// NoteType
// IsDotted
// Tuplet
// TieString
// Accent
for (int n = 0; n < numberOfNotes; n++)
{
Note note = new Note(4, 0);
note.IsSound = storage.FileReadBool();
note.NoteType = storage.FileReadInt();
note.IsDotted = storage.FileReadBool();
note.Tuplet = storage.FileReadInt();
note.TieString = storage.FileReadInt();
note.Accent = storage.FileReadInt();
sec.Sequence.Add(note);
}
SongList.Add(sec);
CurrentSong.Sections[s].CalculateDerivedAttributes();
}
ParentPage.UpdateDisplay();
SongHasUnsavedChanges = false;
}
catch (Exception ex)
{
await DisplayAlert("Issue", "Could not load the song - " + ex.Message, "OK");
}
finally
{
await storage.CloseFile(false);
}
}
private async void SaveSong(object sender, EventArgs e)
{
IPlatformStorage storage = MainPage.PlatformStorage;
string fileName = CurrentSong.Name + ".gma";
bool exists = await storage.FileExists(fileName);
if (exists)
{
bool accepted = await DisplayAlert("Information", "A song is already saved with that name. Would you like to overwrite it?", "Yes", "No");
if (!accepted)
{
await DisplayAlert("Information", "The song was not saved.", "OK");
return;
}
}
await storage.OpenFile(fileName, true);
try
{
// Put song details
// Name
// Number of section
int length = CurrentSong.NumberOfSections;
storage.FileWriteString(CurrentSong.Name);
storage.FileWriteInt(length);
// For each section, put section details
// Name
// Repetitions
// Tempo
// BeatsPerMeasure
// BeatValue
// Number of notes in the sequence
// (The sequence)
for (int s = 0; s < length; s++)
{
// Basic properties
Section sec = CurrentSong.Sections[s];
int numberOfNotes = sec.Sequence.Count;
storage.FileWriteString(sec.Name);
storage.FileWriteInt(sec.Repetitions);
storage.FileWriteFloat((float)sec.Tempo);
storage.FileWriteInt(sec.BeatsPerMeasure);
storage.FileWriteInt(sec.BeatValue);
storage.FileWriteInt(numberOfNotes);
// For each note in sequence, put all non-derived properties
// IsSound
// NoteType
// IsDotted
// Tuplet
// TieString
// Accent
for (int n = 0; n < numberOfNotes; n++)
{
Note note = sec.Sequence[n];
storage.FileWriteBool(note.IsSound);
storage.FileWriteInt(note.NoteType);
storage.FileWriteBool(note.IsDotted);
storage.FileWriteInt(note.Tuplet);
storage.FileWriteInt(note.TieString);
storage.FileWriteInt(note.Accent);
}
}
await DisplayAlert("Information", "Song saved.", "OK");
SongHasUnsavedChanges = false;
}
catch (Exception ex)
{
await DisplayAlert("Issue", "Could not save the song - " + ex.Message, "OK");
}
finally
{
await storage.CloseFile(true);
}
}