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osu-lazer/osu.Game/Overlays/News/Sidebar/MonthSection.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;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Graphics.Containers;
using osuTK;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics;
using System.Linq;
using System.Collections.Generic;
using osu.Framework.Allocation;
using osu.Framework.Graphics.Sprites;
using System.Diagnostics;
using osu.Framework.Platform;
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namespace osu.Game.Overlays.News.Sidebar
{
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public class MonthSection : CompositeDrawable
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{
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private const int animation_duration = 250;
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public readonly BindableBool Expanded = new BindableBool();
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public MonthSection(int month, int year, IEnumerable<APINewsPost> posts)
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{
Debug.Assert(posts.All(p => p.PublishedAt.Month == month && p.PublishedAt.Year == year));
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RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
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Masking = true;
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InternalChild = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Children = new Drawable[]
{
new DropdownHeader(month, year)
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{
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Expanded = { BindTarget = Expanded }
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},
new PostsContainer
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{
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Expanded = { BindTarget = Expanded },
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Children = posts.Select(p => new PostButton(p)).ToArray()
}
}
};
}
private class DropdownHeader : OsuClickableContainer
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{
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public readonly BindableBool Expanded = new BindableBool();
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private readonly SpriteIcon icon;
public DropdownHeader(int month, int year)
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{
var date = new DateTime(year, month, 1);
RelativeSizeAxes = Axes.X;
Height = 15;
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Action = Expanded.Toggle;
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Children = new Drawable[]
{
new OsuSpriteText
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Font = OsuFont.GetFont(size: 12, weight: FontWeight.Bold),
Text = date.ToString("MMM yyyy")
},
icon = new SpriteIcon
{
Anchor = Anchor.CentreRight,
Origin = Anchor.CentreRight,
Size = new Vector2(10),
Icon = FontAwesome.Solid.ChevronDown
}
};
}
protected override void LoadComplete()
{
base.LoadComplete();
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Expanded.BindValueChanged(open =>
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{
icon.Scale = new Vector2(1, open.NewValue ? -1 : 1);
}, true);
}
}
private class PostButton : OsuHoverContainer
{
protected override IEnumerable<Drawable> EffectTargets => new[] { text };
private readonly TextFlowContainer text;
private readonly APINewsPost post;
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public PostButton(APINewsPost post)
{
this.post = post;
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RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Child = text = new TextFlowContainer(t => t.Font = OsuFont.GetFont(size: 12))
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Text = post.Title
};
}
[BackgroundDependencyLoader]
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private void load(OverlayColourProvider overlayColours, GameHost host)
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{
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IdleColour = overlayColours.Light2;
HoverColour = overlayColours.Light1;
TooltipText = "view in browser";
Action = () => host.OpenUrlExternally("https://osu.ppy.sh/home/news/" + post.Slug);
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}
}
private class PostsContainer : Container
{
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public readonly BindableBool Expanded = new BindableBool();
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protected override Container<Drawable> Content { get; }
public PostsContainer()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
AutoSizeDuration = animation_duration;
AutoSizeEasing = Easing.Out;
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InternalChild = Content = new FillFlowContainer
{
Margin = new MarginPadding { Top = 5 },
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(0, 5),
Alpha = 0
};
}
protected override void LoadComplete()
{
base.LoadComplete();
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Expanded.BindValueChanged(updateState, true);
}
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private void updateState(ValueChangedEvent<bool> expanded)
{
ClearTransforms(true);
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if (expanded.NewValue)
{
AutoSizeAxes = Axes.Y;
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Content.FadeIn(animation_duration, Easing.OutQuint);
}
else
{
AutoSizeAxes = Axes.None;
this.ResizeHeightTo(0, animation_duration, Easing.OutQuint);
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Content.FadeOut(animation_duration, Easing.OutQuint);
}
}
}
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}
}