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51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System.Collections.Specialized;
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using System.Linq;
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using osu.Framework.Bindables;
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using osu.Game.Beatmaps.ControlPoints;
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namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
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{
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/// <summary>
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/// The part of the timeline that displays the control points.
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/// </summary>
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public class ControlPointPart : TimelinePart<GroupVisualisation>
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{
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private readonly IBindableList<ControlPointGroup> controlPointGroups = new BindableList<ControlPointGroup>();
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protected override void LoadBeatmap(EditorBeatmap beatmap)
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{
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base.LoadBeatmap(beatmap);
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controlPointGroups.UnbindAll();
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controlPointGroups.BindTo(beatmap.ControlPointInfo.Groups);
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controlPointGroups.BindCollectionChanged((sender, args) =>
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{
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switch (args.Action)
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{
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case NotifyCollectionChangedAction.Reset:
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Clear();
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break;
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case NotifyCollectionChangedAction.Add:
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foreach (var group in args.NewItems.OfType<ControlPointGroup>())
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Add(new GroupVisualisation(group));
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break;
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case NotifyCollectionChangedAction.Remove:
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foreach (var group in args.OldItems.OfType<ControlPointGroup>())
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{
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var matching = Children.SingleOrDefault(gv => gv.Group == group);
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matching?.Expire();
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}
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break;
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}
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}, true);
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}
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}
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}
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