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Move PageSelector to another namespace and organize TestScene
This commit is contained in:
Andrei Zavatski
310
osu.Game/Graphics/UserInterface/PageSelector/PageSelector.cs
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310
osu.Game/Graphics/UserInterface/PageSelector/PageSelector.cs
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics;
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using osu.Framework.Bindables;
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using osu.Framework.Allocation;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Extensions.Color4Extensions;
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using System;
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using osuTK;
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using osu.Game.Graphics.Containers;
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using System.Collections.Generic;
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using osu.Framework.Extensions.IEnumerableExtensions;
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using osu.Game.Graphics.Sprites;
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using osuTK.Graphics;
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namespace osu.Game.Graphics.UserInterface.PageSelector
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{
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public class PageSelector : CompositeDrawable
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{
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public readonly BindableInt CurrentPage = new BindableInt(1);
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public readonly BindableInt MaxPages = new BindableInt(1);
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private readonly FillFlowContainer itemsFlow;
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private readonly Button previousPageButton;
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private readonly Button nextPageButton;
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public PageSelector()
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{
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AutoSizeAxes = Axes.Both;
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InternalChild = new FillFlowContainer
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{
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AutoSizeAxes = Axes.Both,
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Direction = FillDirection.Horizontal,
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Children = new Drawable[]
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{
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previousPageButton = new Button(false, "prev")
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{
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Action = () => CurrentPage.Value -= 1,
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},
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itemsFlow = new FillFlowContainer
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{
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AutoSizeAxes = Axes.Both,
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Direction = FillDirection.Horizontal,
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},
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nextPageButton = new Button(true, "next")
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{
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Action = () => CurrentPage.Value += 1
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}
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}
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};
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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MaxPages.BindValueChanged(pagesAmount => onMaxPagesChanged(pagesAmount.NewValue), true);
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CurrentPage.BindValueChanged(page => onCurrentPageChanged(page.NewValue), true);
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}
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private void onMaxPagesChanged(int pagesAmount)
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{
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if (pagesAmount < 1)
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{
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MaxPages.Value = 1;
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return;
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}
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if (CurrentPage.Value > pagesAmount)
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{
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CurrentPage.Value = pagesAmount;
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return;
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}
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redraw();
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}
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private void onCurrentPageChanged(int newPage)
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{
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if (newPage > MaxPages.Value)
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{
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CurrentPage.Value = MaxPages.Value;
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return;
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}
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if (newPage < 1)
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{
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CurrentPage.Value = 1;
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return;
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}
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redraw();
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}
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private void redraw()
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{
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int newPage = CurrentPage.Value;
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int maxPages = MaxPages.Value;
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previousPageButton.Enabled.Value = newPage != 1;
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nextPageButton.Enabled.Value = newPage != maxPages;
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itemsFlow.Clear();
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if (newPage > 3)
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addDrawablePage(1);
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if (newPage > 4)
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addPlaceholder();
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for (int i = Math.Max(newPage - 2, 1); i <= Math.Min(newPage + 2, maxPages); i++)
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{
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if (i == newPage)
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addDrawableCurrentPage();
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else
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addDrawablePage(i);
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}
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if (newPage + 2 < maxPages - 1)
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addPlaceholder();
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if (newPage + 2 < maxPages)
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addDrawablePage(maxPages);
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}
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private void addDrawablePage(int page) => itemsFlow.Add(new DrawablePage(page.ToString())
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{
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Action = () => CurrentPage.Value = page,
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});
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private void addPlaceholder() => itemsFlow.Add(new Placeholder());
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private void addDrawableCurrentPage() => itemsFlow.Add(new SelectedPage(CurrentPage.Value.ToString()));
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private abstract class PageItem : OsuHoverContainer
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{
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private const int margin = 10;
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private const int height = 20;
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protected override Container<Drawable> Content => contentContainer;
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private readonly CircularContainer contentContainer;
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protected PageItem(string text)
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{
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AutoSizeAxes = Axes.X;
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Height = height;
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base.Content.Add(contentContainer = new CircularContainer
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{
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AutoSizeAxes = Axes.X,
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RelativeSizeAxes = Axes.Y,
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Masking = true,
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});
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var background = CreateBackground();
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if (background != null)
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Add(background);
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var drawableText = CreateText(text);
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if (drawableText != null)
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{
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drawableText.Margin = new MarginPadding { Horizontal = margin };
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Add(drawableText);
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}
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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IdleColour = colours.Lime;
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HoverColour = colours.Lime.Lighten(20f);
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}
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protected abstract Drawable CreateText(string text);
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protected virtual Drawable CreateBackground() => null;
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}
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private class DrawablePage : PageItem
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{
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protected SpriteText SpriteText;
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protected override IEnumerable<Drawable> EffectTargets => new[] { SpriteText };
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public DrawablePage(string text)
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: base(text)
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{
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}
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protected override Drawable CreateText(string text) => SpriteText = new OsuSpriteText
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Text = text,
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Font = OsuFont.GetFont(size: 12),
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};
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}
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private class SelectedPage : DrawablePage
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{
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private Box background;
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protected override IEnumerable<Drawable> EffectTargets => new[] { background };
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public SelectedPage(string text)
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: base(text)
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{
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}
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protected override Drawable CreateBackground() => background = new Box
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{
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RelativeSizeAxes = Axes.Both,
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};
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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SpriteText.Colour = colours.GreySeafoamDark;
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}
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}
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private class Placeholder : DrawablePage
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{
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public Placeholder()
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: base("...")
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{
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}
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}
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private class Button : PageItem
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{
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private const int duration = 100;
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private Box background;
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private FillFlowContainer textContainer;
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private SpriteIcon icon;
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private readonly Box fadeBox;
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protected override IEnumerable<Drawable> EffectTargets => new[] { textContainer };
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public Button(bool rightAligned, string text)
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: base(text)
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{
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var alignment = rightAligned ? Anchor.x0 : Anchor.x2;
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textContainer.ForEach(drawable =>
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{
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drawable.Anchor = Anchor.y1 | alignment;
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drawable.Origin = Anchor.y1 | alignment;
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});
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icon.Icon = alignment == Anchor.x2 ? FontAwesome.Solid.ChevronLeft : FontAwesome.Solid.ChevronRight;
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Add(fadeBox = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Colour = Color4.Black.Opacity(100)
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});
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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background.Colour = colours.GreySeafoamDark;
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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Enabled.BindValueChanged(onEnabledChanged, true);
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}
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private void onEnabledChanged(ValueChangedEvent<bool> enabled)
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{
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fadeBox.FadeTo(enabled.NewValue ? 0 : 1, duration);
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}
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protected override Drawable CreateBackground() => background = new Box
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{
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RelativeSizeAxes = Axes.Both,
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};
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protected override Drawable CreateText(string text) => textContainer = new FillFlowContainer
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{
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AutoSizeAxes = Axes.Both,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Direction = FillDirection.Horizontal,
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Children = new Drawable[]
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{
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new OsuSpriteText
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{
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Text = text.ToUpper(),
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Font = OsuFont.GetFont(size: 12),
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},
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icon = new SpriteIcon
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{
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Size = new Vector2(8),
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},
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}
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};
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}
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}
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}
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