/// <summary>
/// Add new track to the database and collections.
/// </summary>
public void AddTrack()
{
var trackNumber = 1;
if (this._currentProject.Tracks.Any())
{
trackNumber = this._currentProject.Tracks.Count + 1;
}
var trackName = AppResources.TrackString + " " + trackNumber;
var newTrack = new ToDoTrack
{
Name = trackName,
ProjectRef = this._currentProject,
Instrument = this.DataBaseContext.Instruments.First()
};
this.DataBaseContext.Tracks.InsertOnSubmit(newTrack);
this.DataBaseContext.SubmitChanges();
this._currentProject.Tracks.Add(newTrack);
newTrack.Instruments = new ObservableCollection <ToDoInstrument>(this.DataBaseContext.Instruments);
var sample = new ToDoSample
{
InitialTact = 1,
Size = 4,
TrackRef = newTrack,
Name = newTrack.Name + "_" + newTrack.Samples.Count
};
this.DataBaseContext.Samples.InsertOnSubmit(sample);
this.DataBaseContext.SubmitChanges();
newTrack.Samples.Add(sample);
}
/// <summary>
/// Query database and load the information for project
/// </summary>
/// <param name="trackId">ID of loading project</param>
public override void LoadData(int trackId)
{
var options = new DataLoadOptions();
options.AssociateWith <ToDoTrack>(x => x.Samples.OrderBy(y => y.InitialTact));
this.DataBaseContext.LoadOptions = options;
this._currentTrack = this.DataBaseContext.Tracks.FirstOrDefault(x => x.Id == trackId);
}
/// <summary>
/// Start playing samples
/// </summary>
public void Play(ToDoTrack onPlayTrack, int initialTact)
{
_audioController.Start();
_onPlayTracks = new List <TrackManager> {
new TrackManager(onPlayTrack, initialTact)
};
_position = 0;
Tact = initialTact;
_playerTimer.Start();
State = PlayerState.Playing;
}
/// <summary>
/// Control for playing notes of track
/// </summary>
public TrackManager(ToDoTrack onPlayTrack, int initialTact)
{
Instrument = onPlayTrack.Instrument.Waveform;
OnPlayNotes = new Queue <ToDoNote>();
PlayedNotes = new List <ToDoNote>();
foreach (var note in
onPlayTrack.Samples.OrderBy(x => x.InitialTact)
.Select(sample => sample.Notes.Where(x => x.Tact >= initialTact).OrderBy(x => x.Tact).ThenBy(x => x.Position))
.SelectMany(notes => notes))
{
OnPlayNotes.Enqueue(note);
}
}
/// <summary>
/// Add a project with specific name to the database and collections.
/// </summary>
/// <param name="projectName">Name of project</param>
/// <returns>New project</returns>
public ToDoProject CreateProject(string projectName)
{
var newProject = new ToDoProject()
{
Name = projectName,
CreationTime = DateTime.Now,
Tempo = 120
};
this.DataBaseContext.Projects.InsertOnSubmit(newProject);
this.DataBaseContext.SubmitChanges();
this._projectsList.Add(newProject);
var trackName = AppResources.TrackString + " 1";
var newTrack = new ToDoTrack
{
Name = trackName,
ProjectRef = newProject,
Instrument = this.DataBaseContext.Instruments.First()
};
this.DataBaseContext.Tracks.InsertOnSubmit(newTrack);
this.DataBaseContext.SubmitChanges();
newProject.Tracks.Add(newTrack);
var sample = new ToDoSample
{
InitialTact = 1,
Size = 4,
TrackRef = newTrack,
Name = newTrack.Name + "_" + newTrack.Samples.Count
};
this.DataBaseContext.Samples.InsertOnSubmit(sample);
this.DataBaseContext.SubmitChanges();
newTrack.Samples.Add(sample);
return(newProject);
}
public void SelectInstrument(ToDoTrack track, ToDoInstrument instrument)
{
_currentProject.Tracks.First(x => track.Id == x.Id).Instrument = instrument;
SaveChangesToDb();
}
