osu/osu.Game/Overlays/News/NewsHeader.cs

110 lines
3.1 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 osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Textures;
using osu.Game.Graphics;
using osu.Game.Graphics.UserInterface;
using System;
namespace osu.Game.Overlays.News
{
public class NewsHeader : OverlayHeader
{
private const string front_page_string = "Front Page";
private NewsHeaderTitle title;
public readonly Bindable<string> Current = new Bindable<string>(null);
public Action ShowFrontPage;
public NewsHeader()
{
TabControl.AddItem(front_page_string);
TabControl.Current.ValueChanged += e =>
{
if (e.NewValue == front_page_string)
ShowFrontPage?.Invoke();
};
Current.ValueChanged += showArticle;
}
[BackgroundDependencyLoader]
private void load(OsuColour colour)
{
TabControl.AccentColour = colour.Violet;
}
private void showArticle(ValueChangedEvent<string> e)
{
if (e.OldValue != null)
TabControl.RemoveItem(e.OldValue);
if (e.NewValue != null)
{
TabControl.AddItem(e.NewValue);
TabControl.Current.Value = e.NewValue;
title.IsReadingArticle = true;
}
else
{
TabControl.Current.Value = front_page_string;
title.IsReadingArticle = false;
}
}
protected override Drawable CreateBackground() => new NewsHeaderBackground();
protected override Drawable CreateContent() => new Container();
protected override ScreenTitle CreateTitle() => title = new NewsHeaderTitle();
private class NewsHeaderBackground : Sprite
{
public NewsHeaderBackground()
{
RelativeSizeAxes = Axes.Both;
FillMode = FillMode.Fill;
}
[BackgroundDependencyLoader]
private void load(TextureStore textures)
{
Texture = textures.Get(@"Headers/news");
}
}
private class NewsHeaderTitle : ScreenTitle
{
private const string article_string = "Article";
public bool IsReadingArticle
{
set => Section = value ? article_string : front_page_string;
}
public NewsHeaderTitle()
{
Title = "News";
IsReadingArticle = false;
}
protected override Drawable CreateIcon() => new ScreenTitleTextureIcon(@"Icons/news");
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
AccentColour = colours.Violet;
}
}
}
}