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osu-lazer/osu.Game/Overlays/Music/PlaylistItem.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;
using System.Collections.Generic;
using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
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using osu.Game.Beatmaps;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osuTK.Graphics;
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namespace osu.Game.Overlays.Music
{
public class PlaylistItem : OsuRearrangeableListItem<BeatmapSetInfo>, IFilterable
{
public readonly Bindable<BeatmapSetInfo> SelectedSet = new Bindable<BeatmapSetInfo>();
public Action<BeatmapSetInfo> RequestSelection;
private TextFlowContainer text;
private ITextPart titlePart;
[Resolved]
private OsuColour colours { get; set; }
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public PlaylistItem(BeatmapSetInfo item)
: base(item)
{
Padding = new MarginPadding { Left = 5 };
FilterTerms = item.Metadata.GetSearchableTerms();
}
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[BackgroundDependencyLoader]
private void load()
{
HandleColour = colours.Gray5;
}
protected override void LoadComplete()
{
base.LoadComplete();
SelectedSet.BindValueChanged(set =>
{
if (set.OldValue?.Equals(Model) != true && set.NewValue?.Equals(Model) != true)
return;
updateSelectionState(false);
}, true);
}
private void updateSelectionState(bool instant)
{
foreach (Drawable s in titlePart.Drawables)
s.FadeColour(SelectedSet.Value?.Equals(Model) == true ? colours.Yellow : Color4.White, instant ? 0 : FADE_DURATION);
}
protected override Drawable CreateContent() => text = new OsuTextFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
};
protected override void LoadAsyncComplete()
{
base.LoadAsyncComplete();
var title = new RomanisableString(Model.Metadata.TitleUnicode, Model.Metadata.Title);
var artist = new RomanisableString(Model.Metadata.ArtistUnicode, Model.Metadata.Artist);
titlePart = text.AddText(title, sprite => sprite.Font = OsuFont.GetFont(weight: FontWeight.Regular));
updateSelectionState(true);
titlePart.DrawablePartsRecreated += _ => updateSelectionState(true);
text.AddText(@" "); // to separate the title from the artist.
text.AddText(artist, sprite =>
{
sprite.Font = OsuFont.GetFont(size: 14, weight: FontWeight.Bold);
sprite.Colour = colours.Gray9;
sprite.Padding = new MarginPadding { Top = 1 };
});
}
protected override bool OnClick(ClickEvent e)
{
RequestSelection?.Invoke(Model);
return true;
}
private bool inSelectedCollection = true;
public bool InSelectedCollection
{
get => inSelectedCollection;
set
{
if (inSelectedCollection == value)
return;
inSelectedCollection = value;
updateFilter();
}
}
public IEnumerable<string> FilterTerms { get; }
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private bool matchingFilter = true;
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public bool MatchingFilter
{
get => matchingFilter && inSelectedCollection;
set
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{
if (matchingFilter == value)
return;
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matchingFilter = value;
updateFilter();
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}
}
private void updateFilter() => this.FadeTo(MatchingFilter ? 1 : 0, 200);
public bool FilteringActive { get; set; }
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}
}