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osu-lazer/osu.Game/Overlays/Music/PlaylistOverlay.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Linq;
using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Effects;
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using osu.Framework.Graphics.Shapes;
using osu.Game.Beatmaps;
using osu.Game.Graphics;
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using osuTK;
using osuTK.Graphics;
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namespace osu.Game.Overlays.Music
{
public class PlaylistOverlay : OverlayContainer
{
private const float transition_duration = 600;
private const float playlist_height = 510;
/// <summary>
/// Invoked when the order of an item in the list has changed.
/// The second parameter indicates the new index of the item.
/// </summary>
public Action<BeatmapSetInfo, int> OrderChanged;
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private readonly Bindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>();
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private BeatmapManager beatmaps;
private FilterControl filter;
private PlaylistList list;
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[BackgroundDependencyLoader]
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private void load(OsuColour colours, Bindable<WorkingBeatmap> beatmap, BeatmapManager beatmaps)
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{
this.beatmap.BindTo(beatmap);
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this.beatmaps = beatmaps;
Children = new Drawable[]
{
new Container
{
RelativeSizeAxes = Axes.Both,
CornerRadius = 5,
Masking = true,
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Colour = Color4.Black.Opacity(40),
Radius = 5,
},
Children = new Drawable[]
{
new Box
{
Colour = colours.Gray3,
RelativeSizeAxes = Axes.Both,
},
list = new PlaylistList
{
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding { Top = 95, Bottom = 10, Right = 10 },
Selected = itemSelected,
OrderChanged = (s, i) => OrderChanged?.Invoke(s, i)
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},
filter = new FilterControl
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
ExitRequested = Hide,
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FilterChanged = search => list.Filter(search),
Padding = new MarginPadding(10),
},
},
},
};
filter.Search.OnCommit = (sender, newText) =>
{
BeatmapInfo toSelect = list.FirstVisibleSet?.Beatmaps?.FirstOrDefault();
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if (toSelect != null)
{
beatmap.Value = beatmaps.GetWorkingBeatmap(toSelect);
beatmap.Value.Track.Restart();
}
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};
}
protected override void PopIn()
{
filter.Search.HoldFocus = true;
Schedule(() => filter.Search.TakeFocus());
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this.ResizeTo(new Vector2(1, playlist_height), transition_duration, Easing.OutQuint);
this.FadeIn(transition_duration, Easing.OutQuint);
}
protected override void PopOut()
{
filter.Search.HoldFocus = false;
this.ResizeTo(new Vector2(1, 0), transition_duration, Easing.OutQuint);
this.FadeOut(transition_duration);
}
private void itemSelected(BeatmapSetInfo set)
{
if (set.ID == (beatmap.Value?.BeatmapSetInfo?.ID ?? -1))
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{
beatmap.Value?.Track?.Seek(0);
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return;
}
beatmap.Value = beatmaps.GetWorkingBeatmap(set.Beatmaps.First());
beatmap.Value.Track.Restart();
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}
}
//todo: placeholder
public enum PlaylistCollection
{
All
}
}