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osu-lazer/osu.Game/Overlays/News/NewsHeader.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 osu.Framework.Bindables;
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using osu.Framework.Graphics;
namespace osu.Game.Overlays.News
{
public class NewsHeader : BreadcrumbControlOverlayHeader
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{
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private const string front_page_string = "frontpage";
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public Action ShowFrontPage;
private readonly Bindable<string> article = new Bindable<string>(null);
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public NewsHeader()
{
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TabControl.AddItem(front_page_string);
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article.BindValueChanged(onArticleChanged, true);
}
protected override void LoadComplete()
{
base.LoadComplete();
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Current.BindValueChanged(e =>
{
if (e.NewValue == front_page_string)
ShowFrontPage?.Invoke();
});
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}
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public void SetFrontPage() => article.Value = null;
public void SetArticle(string slug) => article.Value = slug;
private void onArticleChanged(ValueChangedEvent<string> e)
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{
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if (e.OldValue != null)
TabControl.RemoveItem(e.OldValue);
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if (e.NewValue != null)
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{
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TabControl.AddItem(e.NewValue);
Current.Value = e.NewValue;
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}
else
{
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Current.Value = front_page_string;
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}
}
protected override Drawable CreateBackground() => new OverlayHeaderBackground(@"Headers/news");
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protected override OverlayTitle CreateTitle() => new NewsHeaderTitle();
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private class NewsHeaderTitle : OverlayTitle
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{
public NewsHeaderTitle()
{
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Title = "news";
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Description = "get up-to-date on community happenings";
IconTexture = "Icons/Hexacons/news";
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}
}
}
}