private TimeUnit AggregateTime(Func <BlockViewModel, float> valueSelector, Action <BlockViewModel, float> valueSetter, Func <float?, Model.MusicSegment, Action <float>, TimeUnit> timeUnitFactory)
{
float[] values = selectedBlocks.Select(valueSelector).Distinct().Take(2).ToArray();
Model.MusicSegment musicSegment = AggregateGet(b => b.GetModel().SegmentContext, sequencer.ActiveMusicSegment.GetModel());
return(timeUnitFactory((values.Length == 1 ? values[0] : (float?)null), musicSegment, v =>
{
foreach (BlockViewModel b in selectedBlocks)
{
valueSetter(b, v);
}
}));
}
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());
}