osu/osu.Game/Overlays/Music/Playlist.cs

68 lines
2.4 KiB
C#

// 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.
using System;
using System.Linq;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Beatmaps;
using osu.Game.Database;
using osu.Game.Graphics.Containers;
using osuTK;
namespace osu.Game.Overlays.Music
{
public partial class Playlist : OsuRearrangeableListContainer<Live<BeatmapSetInfo>>
{
public Action<Live<BeatmapSetInfo>>? RequestSelection;
public readonly Bindable<Live<BeatmapSetInfo>> SelectedSet = new Bindable<Live<BeatmapSetInfo>>();
private FilterCriteria currentCriteria = new FilterCriteria();
public new MarginPadding Padding
{
get => base.Padding;
set => base.Padding = value;
}
protected override void OnItemsChanged()
{
base.OnItemsChanged();
Filter(currentCriteria);
}
public void Filter(FilterCriteria criteria)
{
var items = (SearchContainer<RearrangeableListItem<Live<BeatmapSetInfo>>>)ListContainer;
string[]? currentCollectionHashes = criteria.Collection?.PerformRead(c => c.BeatmapMD5Hashes.ToArray());
foreach (var item in items.OfType<PlaylistItem>())
{
item.InSelectedCollection = currentCollectionHashes == null || item.Model.Value.Beatmaps.Select(b => b.MD5Hash).Any(currentCollectionHashes.Contains);
}
items.SearchTerm = criteria.SearchText;
currentCriteria = criteria;
}
public Live<BeatmapSetInfo>? FirstVisibleSet => Items.FirstOrDefault(i => ((PlaylistItem)ItemMap[i]).MatchingFilter);
protected override OsuRearrangeableListItem<Live<BeatmapSetInfo>> CreateOsuDrawable(Live<BeatmapSetInfo> item) =>
new PlaylistItem(item)
{
SelectedSet = { BindTarget = SelectedSet },
RequestSelection = set => RequestSelection?.Invoke(set)
};
protected override FillFlowContainer<RearrangeableListItem<Live<BeatmapSetInfo>>> CreateListFillFlowContainer() => new SearchContainer<RearrangeableListItem<Live<BeatmapSetInfo>>>
{
Spacing = new Vector2(0, 3),
LayoutDuration = 200,
LayoutEasing = Easing.OutQuint,
};
}
}