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osu-lazer/osu.Game/Overlays/Wiki/WikiMainPage.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.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using HtmlAgilityPack;
using osu.Framework.Allocation;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
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namespace osu.Game.Overlays.Wiki
{
public class WikiMainPage : FillFlowContainer
{
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public string Markdown;
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public WikiMainPage()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
}
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[BackgroundDependencyLoader]
private void load()
{
var html = new HtmlDocument();
html.LoadHtml(Markdown);
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var panels = createPanels(html).ToArray();
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Children = new Drawable[]
{
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createBlurb(html),
new GridContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
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RowDimensions = Enumerable.Repeat(new Dimension(GridSizeMode.AutoSize), panels.Length).ToArray(),
Content = panels,
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},
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};
}
private Container createBlurb(HtmlDocument html)
{
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var blurbNode = html.DocumentNode.SelectSingleNode("//div[contains(@class, 'wiki-main-page__blurb')]");
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return new Container
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Padding = new MarginPadding
{
Vertical = 30,
},
Child = new OsuTextFlowContainer(t => t.Font = OsuFont.GetFont(Typeface.Inter, size: 12, weight: FontWeight.Light))
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{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
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Text = blurbNode.InnerText,
TextAnchor = Anchor.TopCentre,
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}
};
}
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private IEnumerable<Drawable[]> createPanels(HtmlDocument html)
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{
var panelsNode = html.DocumentNode.SelectNodes("//div[contains(@class, 'wiki-main-page-panel')]").ToArray();
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Debug.Assert(panelsNode.Length > 1);
int i = 0;
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while (i < panelsNode.Length)
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{
bool isFullWidth = panelsNode[i].HasClass("wiki-main-page-panel--full");
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if (isFullWidth)
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{
yield return new Drawable[]
{
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new WikiPanelContainer(panelsNode[i++].InnerText, true)
{
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// This is required to fill up the space of "null" drawable below.
Width = 2,
},
null,
};
}
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else
{
yield return new Drawable[]
{
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new WikiPanelContainer(panelsNode[i++].InnerText),
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i < panelsNode.Length ? new WikiPanelContainer(panelsNode[i++].InnerText) : null,
};
}
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}
}
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}
}