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osu-lazer/osu.Game/Overlays/BeatmapSet/MetadataSection.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.
using System;
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using osu.Framework.Extensions;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using osuTK;
using osuTK.Graphics;
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namespace osu.Game.Overlays.BeatmapSet
{
public abstract partial class MetadataSection : MetadataSection<string>
{
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public override string Metadata
{
set
{
if (string.IsNullOrEmpty(value))
{
this.FadeOut(TRANSITION_DURATION);
return;
}
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base.Metadata = value;
}
}
protected MetadataSection(MetadataType type, Action<string>? searchAction = null)
: base(type, searchAction)
{
}
}
public abstract partial class MetadataSection<T> : Container
{
private readonly FillFlowContainer textContainer;
private TextFlowContainer? textFlow;
protected readonly Action<T>? SearchAction;
protected const float TRANSITION_DURATION = 250;
protected MetadataSection(MetadataType type, Action<T>? searchAction = null)
{
SearchAction = searchAction;
Alpha = 0;
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
InternalChild = textContainer = new FillFlowContainer
{
Alpha = 0,
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Margin = new MarginPadding { Top = 15 },
Spacing = new Vector2(5),
Children = new Drawable[]
{
new Container
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Child = new OsuSpriteText
{
Text = type.GetLocalisableDescription(),
Font = OsuFont.GetFont(weight: FontWeight.Bold, size: 14),
},
},
},
};
}
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public virtual T Metadata
{
set
{
if (value == null)
{
this.FadeOut(TRANSITION_DURATION);
return;
}
this.FadeIn(TRANSITION_DURATION);
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setTextFlowAsync(value);
}
}
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private void setTextFlowAsync(T metadata)
{
LoadComponentAsync(new LinkFlowContainer(s => s.Font = s.Font.With(size: 14))
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Colour = Color4.White.Opacity(0.75f),
}, loaded =>
{
textFlow?.Expire();
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AddMetadata(metadata, loaded);
textContainer.Add(textFlow = loaded);
// fade in if we haven't yet.
textContainer.FadeIn(TRANSITION_DURATION);
});
}
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protected abstract void AddMetadata(T metadata, LinkFlowContainer loaded);
}
}