public TrackAffiliationData(SelectionProperties context, TrackViewModel track)
{
this.context = context;
_track = track;
CollectionChangedEventManager.AddHandler(track.Blocks, (sender, e) => Notify(nameof(AffiliationState)));
}
public SequencerViewModel(Timeline model)
{
this.model = model;
ActionManager = new GuiLabs.Undo.ActionManager();
SelectedBlocks = new ObservableCollection <BlockViewModel>();
SelectionData = new SelectionProperties(this);
Tracks = model.Tracks.Select(g => new TrackViewModel(this, g));
MusicSegments = model.MusicSegments.Select(seg => new MusicSegmentViewModel(this, seg));
AllBlocks = model.Blocks.Select(b => BlockViewModel.FromModel(this, b));
if (Tracks.Count > 0)
{
SelectedTrack = Tracks[0];
}
ActiveMusicSegment = MusicSegments[model.DefaultMusicSegment.GetIndex()];
Playback = new PlaybackViewModel(this);
Visualization = new VisualizationViewModel(this);
Notes = new NotesViewModel(this);
if (model.MusicFileName != null)
{
Playback.LoadFileAsync(model.MusicFileName).Forget();
}
Action <BlockViewModel> fn_SubscribeToBlock = bvm => ForwardPropertyEvents(nameof(bvm.EndTimeOccupied), bvm, nameof(TimelineLength));
AllBlocks.ToList().ForEach(fn_SubscribeToBlock);
AllBlocks.CollectionChanged += (_, e) =>
{
if (e.NewItems != null)
{
e.NewItems.Cast <BlockViewModel>().ToList().ForEach(fn_SubscribeToBlock);
}
Notify(nameof(TimelineLength));
};
ForwardPropertyEvents(nameof(PipetteTarget), this, nameof(IsPipetteActive));
ForwardPropertyEvents(nameof(CursorPosition), this,
nameof(CursorPixelPosition), nameof(CursorPixelPositionOnViewport));
ForwardPropertyEvents(nameof(TimePixelScale), this,
nameof(CursorPixelPosition), nameof(CursorPixelPositionOnViewport),
nameof(CurrentViewLeftPositionTime), nameof(CurrentViewRightPositionTime),
nameof(TimelineWidth), nameof(GridInterval));
ForwardPropertyEvents(nameof(ActiveMusicSegment), this,
nameof(GridInterval));
ForwardPropertyEvents(nameof(Playback.MusicDuration), Playback, nameof(TimelineLength));
ForwardPropertyEvents(nameof(TimelineLength), this, nameof(TimelineWidth));
ForwardCollectionEvents(SelectedBlocks,
nameof(CanConvertToColor), nameof(CanConvertToRamp),
nameof(CanConvertToAutoDeduced), nameof(ConvertAutoDeduceGestureText));
Tracks.CollectionChanged += (_, e) =>
{
foreach (var b in AllBlocks)
{
b.OnTracksCollectionChanged();
}
};
// Disable pipette whenever the selection is modified.
SelectedBlocks.CollectionChanged += (_, __) => PipetteTarget = null;
}