public LoopBlockViewModel(SequencerViewModel sequencer, Model.LoopBlock model)
: base(sequencer, model, "Loop")
{
this.model = model;
ForwardPropertyEvents(nameof(model.Repetitions), model,
nameof(Repetitions), nameof(ChildrenRepetitions), nameof(EndTimeOccupied));
}
public RampBlockViewModel(SequencerViewModel sequencer, Model.RampBlock model)
: base(sequencer, model, "Ramp")
{
this.model = model;
ForwardPropertyEvents(nameof(model.StartColor), model, nameof(StartColor));
ForwardPropertyEvents(nameof(model.EndColor), model, nameof(EndColor));
}
public VisualizationViewModel(SequencerViewModel sequencer)
{
this.sequencer = sequencer;
VisualizedTracks = sequencer.GetModel().Tracks.Select(t => new VisualizedTrackViewModel(t));
ForwardPropertyEvents(nameof(sequencer.CursorPosition), sequencer, OnCursorPositionChanged, true);
ForwardPropertyEvents(nameof(IsEnabled), this, OnIsEnabledChanged);
}
public NotesViewModel(SequencerViewModel sequencer)
{
this.sequencer = sequencer;
Notes = sequencer.GetModel().Notes.Select(note => new NoteViewModel(sequencer, note));
NotesSorted = Notes.OrderBy(note => note.TimeSeconds);
ForwardCollectionEvents(Notes, nameof(HasNotes));
}
public ColorBlockViewModel(SequencerViewModel sequencer, Model.ColorBlock model)
: base(sequencer, model, "Color")
{
this.model = model;
ForwardPropertyEvents(nameof(model.Color), model, nameof(Color));
ForwardPropertyEvents(nameof(model.RenderedColor1), model, nameof(RenderedColor1));
ForwardPropertyEvents(nameof(model.RenderedColor2), model, nameof(RenderedColor2));
}
public TrackViewModel(SequencerViewModel sequencer, Model.Track model)
{
this.sequencer = sequencer;
this.model = model;
ForwardPropertyEvents(nameof(model.Label), model, nameof(Label));
ForwardPropertyEvents(nameof(sequencer.SelectedTrack), sequencer, nameof(IsSelected));
Blocks = model.Blocks.Select(b => BlockViewModel.FromModel(sequencer, b));
}
public NoteViewModel(SequencerViewModel sequencer, Note model)
{
this.sequencer = sequencer;
this.model = model;
ForwardPropertyEvents(nameof(model.Label), model, nameof(Label), nameof(FormattedTimeAndLabel));
ForwardPropertyEvents(nameof(model.Description), model, nameof(Description));
ForwardPropertyEvents(nameof(model.Time), model, nameof(TimeSeconds), nameof(DisplayOffset), nameof(FormattedTimeAndLabel));
ForwardPropertyEvents(nameof(sequencer.TimePixelScale), sequencer, nameof(DisplayOffset));
}
private SequencerViewModel MakeSequencerViewModel(Timeline timeline)
{
// Hack: Extract view state from old view model and inject into new one,
// so it can work with it without before the view is updated.
double viewportLeftOffsetPx = CurrentDocument?.GetViewportLeftOffsetPx() ?? 0.0;
double viewportWidthPx = CurrentDocument?.GetViewportWidth() ?? 1000.0;
var newDocument = new SequencerViewModel(timeline);
newDocument.SetViewportState(viewportLeftOffsetPx, viewportWidthPx);
return(newDocument);
}
public ReplaceColorViewModel(SequencerViewModel sequencer)
{
this.sequencer = sequencer;
var colorItems = from color in _ColorsFromBlocks(GetConsideredBlocks())
group color by color into g
//orderby g.Key.R + g.Key.G + g.Key.B descending
select new Xceed.Wpf.Toolkit.ColorItem(g.Key, string.Format("R: {0}; G: {1}; B: {2} - Usages: {3}", g.Key.R, g.Key.G, g.Key.B, g.Count()));
ColorChoices = new ObservableCollection <Xceed.Wpf.Toolkit.ColorItem>(colorItems);
ColorToSearch = (ColorChoices.Any() ? ColorChoices.First().Color.Value : Colors.White);
ColorToReplace = Colors.White;
}
public VisualizationViewModel()
{
sequencer = null;
var tl = new Timeline();
VisualizedTracks = new ObservableCollection <Track> {
new Track(tl, "Track 01"),
new Track(tl, "Track 02"),
new Track(tl, "Track 03"),
new Track(tl, "Track 04"),
new Track(tl, "Track 05"),
new Track(tl, "Track 06"),
}.Select(t => new VisualizedTrackViewModel(t));
}
public MusicSegmentViewModel(SequencerViewModel sequencer, Model.MusicSegment model)
{
this.sequencer = sequencer;
this.model = model;
ReferringBlocksDummies = sequencer.GetModel().Blocks.Where(b => b.SegmentContext == model).Select(b => (object)null);
ForwardPropertyEvents(nameof(model.Label), model, nameof(Label));
ForwardPropertyEvents(nameof(model.Bpm), model, nameof(Bpm));
ForwardPropertyEvents(nameof(model.BeatsPerBar), model, nameof(BeatsPerBar));
ForwardPropertyEvents(nameof(model.TimeOrigin), model, nameof(TimeOrigin), nameof(TimeOriginSeconds));
ForwardPropertyEvents(nameof(model.IsReadOnly), model, nameof(IsReadOnly));
ForwardPropertyEvents(nameof(model.IsDefault), model, nameof(IsDefault));
ForwardPropertyEvents(nameof(Bpm), this, () => sequencer.NotifyGridInterval());
}
public bool OpenDocument(string file)
{
Timeline timeline = FileSerializer.LoadFromFile(file);
if (timeline == null)
{
OpenNewDocument();
return(false);
}
FilePath = file;
CurrentDocument = MakeSequencerViewModel(timeline);
IsDirty = false;
CurrentDocument.ActionManager.CollectionChanged += (_, __) => IsDirty = true;
return(true);
}
public void OpenNewDocument()
{
FilePath = null;
Timeline timeline = new Timeline();
timeline.SetupNew();
CurrentDocument?.OnClose();
CurrentDocument = MakeSequencerViewModel(timeline);
IsDirty = false;
CurrentDocument.ActionManager.CollectionChanged += (_, __) => IsDirty = true;
#if DEBUG
timeline.SetupTestData();
CurrentDocument.SelectBlock(CurrentDocument.AllBlocks[0], CompositionMode.None);
#endif
}
public SelectionProperties(SequencerViewModel sequencer)
{
this.sequencer = sequencer;
selectedBlocks = sequencer.SelectedBlocks;
selectedBlocks.CollectionChanged += selectedBlocks_CollectionChanged;
ForwardPropertyEvents(nameof(SegmentContext), this, () =>
{
if (!sequencer.SynchronizeActiveWithSelection || !IsMusicSegmentModifiable)
{
return;
}
var context = SegmentContext;
if (context != null)
{
sequencer.ActiveMusicSegment = SegmentContext;
}
});
}
public PlaybackViewModel(SequencerViewModel sequencer)
{
this.sequencer = sequencer;
this.timelineModel = sequencer.GetModel();
cursorUpdateTimer = new System.Windows.Threading.DispatcherTimer()
{
Interval = CURSOR_UPDATE_INTERVAL
};
cursorUpdateTimer.Tick += (_, __) => UpdateCursorPosition();
ForwardPropertyEvents(nameof(MusicVolume), this, () => audioPlayback.Volume = LoudnessHelper.LoudnessFromVolume(MusicVolume));
ForwardPropertyEvents(nameof(sequencer.CurrentViewLeftPositionTime), sequencer, InvalidateWaveform);
// Note: Because CurrentViewLeftPositionTime depends on TimePixelScale and is always changed together with the right position,
// it is enough to only depend on this one to reduce callback duplication.
//ForwardPropertyEvents(nameof(sequencer.TimePixelScale), sequencer, InvalidateWaveform);
//ForwardPropertyEvents(nameof(sequencer.CurrentViewRightPositionTime), sequencer, InvalidateWaveform);
ForwardPropertyEvents(nameof(sequencer.CursorPosition), sequencer, OnCursorPositionChanged);
audioPlayback.PlaybackStopped += OnPlaybackStopped;
audioPlayback.Init(EmptySampleProvider.Singleton);
}
protected BlockViewModel(SequencerViewModel sequencer, Model.Block model, string typeLabel)
{
this.sequencer = sequencer;
this.model = model;
this._typeLabel = typeLabel;
ForwardPropertyEvents(nameof(model.StartTime), model, nameof(StartTime), nameof(EndTime), nameof(EndTimeOccupied), nameof(DisplayOffset));
ForwardPropertyEvents(nameof(model.Duration), model, nameof(Duration), nameof(EndTime), nameof(EndTimeOccupied), nameof(DisplayWidth));
ForwardPropertyEvents(nameof(model.SegmentContext), model, nameof(SegmentContext), nameof(IsSegmentActive));
// track affiliation
ForwardCollectionEvents(model.Tracks, nameof(DisplayTopOffset), nameof(DisplayHeight), nameof(DisplayClip));
// tracks in general
// moved to OnTracksCollectionChanged(), called by the sequencer, because when this view model is constructed, the "Tracks" collection may still be under construction
//CollectionChangedEventManager.AddHandler(sequencer.Tracks, (sender, e) => { Notify(nameof(DisplayTopOffset)); Notify(nameof(DisplayHeight)); Notify(nameof(DisplayClip)); });
// subscribe to sequencer
ForwardPropertyEvents(nameof(sequencer.ActiveMusicSegment), sequencer, nameof(IsSegmentActive));
ForwardPropertyEvents(nameof(sequencer.TimePixelScale), sequencer, nameof(DisplayOffset), nameof(DisplayWidth));
ForwardCollectionEvents(sequencer.SelectedBlocks, (sender, e) =>
{
if ((e.Action == NotifyCollectionChangedAction.Add && e.NewItems.Contains(this)) ||
(e.Action == NotifyCollectionChangedAction.Remove && e.OldItems.Contains(this)) ||
e.Action == NotifyCollectionChangedAction.Replace ||
e.Action == NotifyCollectionChangedAction.Reset)
{
Notify(nameof(IsSelected));
}
});
// subscribe to track height changes
if (globalParams != null)
{
ForwardPropertyEvents(nameof(globalParams.TrackDisplayHeight), globalParams, NotifyTrackRelatedProperties);
}
}
public static BlockViewModel FromModel(SequencerViewModel sequencer, Model.Block model)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
BlockViewModel vm;
if (!s_viewModelCache.TryGetValue(model, out vm))
{
if (model is Model.ColorBlock)
{
vm = new ColorBlockViewModel(sequencer, (Model.ColorBlock)model);
}
else if (model is Model.RampBlock)
{
vm = new RampBlockViewModel(sequencer, (Model.RampBlock)model);
}
else if (model is Model.LoopBlock)
{
vm = new LoopBlockViewModel(sequencer, (Model.LoopBlock)model);
}
//else if (model is Model.GroupBlock)
// vm = new GroupBlockViewModel(sequencer, (Model.GroupBlock)model);
else
{
throw new NotImplementedException("unknown block type: " + model.GetType().Name);
}
s_viewModelCache[model] = vm;
}
return(vm);
}
protected GroupBlockViewModel(SequencerViewModel sequencer, Model.GroupBlock model, string typeLabel)
: base(sequencer, model, typeLabel)
{
this.model = model;
_children = model.Children.Select(b => BlockViewModel.FromModel(sequencer, b));
}
public GroupBlockViewModel(SequencerViewModel sequencer, Model.GroupBlock model)
: this(sequencer, model, "Group")
{
}
public BrightModeViewModel(SequencerViewModel sequencer)
{
this.sequencer = sequencer;
}
