osu/osu.Game.Tests/Visual/UserInterface/TestSceneScreenBreadcrumbControl.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 NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Screens;
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using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface;
using osu.Game.Screens;
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using osuTK;
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namespace osu.Game.Tests.Visual.UserInterface
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{
[TestFixture]
public class TestSceneScreenBreadcrumbControl : OsuTestScene
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{
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private readonly ScreenBreadcrumbControl breadcrumbs;
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private readonly OsuScreenStack screenStack;
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public TestSceneScreenBreadcrumbControl()
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{
OsuSpriteText titleText;
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IScreen startScreen = new TestScreenOne();
screenStack = new OsuScreenStack { RelativeSizeAxes = Axes.Both };
screenStack.Push(startScreen);
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Children = new Drawable[]
{
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screenStack,
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new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(10),
Children = new Drawable[]
{
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breadcrumbs = new ScreenBreadcrumbControl(screenStack)
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{
RelativeSizeAxes = Axes.X,
},
titleText = new OsuSpriteText(),
},
},
};
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breadcrumbs.Current.ValueChanged += screen => titleText.Text = $"Changed to {screen.NewValue}";
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breadcrumbs.Current.TriggerChange();
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waitForCurrent();
pushNext();
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waitForCurrent();
pushNext();
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waitForCurrent();
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AddStep(@"make start current", () => startScreen.MakeCurrent());
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waitForCurrent();
pushNext();
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waitForCurrent();
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AddAssert(@"only 2 items", () => breadcrumbs.Items.Count == 2);
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AddStep(@"exit current", () => screenStack.CurrentScreen.Exit());
AddAssert(@"current screen is first", () => startScreen == screenStack.CurrentScreen);
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}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
breadcrumbs.StripColour = colours.Blue;
}
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private void pushNext() => AddStep(@"push next screen", () => ((TestScreen)screenStack.CurrentScreen).PushNext());
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private void waitForCurrent() => AddUntilStep("current screen", () => screenStack.CurrentScreen.IsCurrentScreen());
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private abstract class TestScreen : OsuScreen
{
protected abstract string NextTitle { get; }
protected abstract TestScreen CreateNextScreen();
public TestScreen PushNext()
{
TestScreen screen = CreateNextScreen();
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this.Push(screen);
return screen;
}
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protected TestScreen()
{
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InternalChild = new FillFlowContainer
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{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
AutoSizeAxes = Axes.Both,
Direction = FillDirection.Vertical,
Spacing = new Vector2(10),
Children = new Drawable[]
{
new OsuSpriteText
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
Text = Title,
},
new TriangleButton
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
Width = 100,
Text = $"Push {NextTitle}",
Action = () => PushNext(),
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},
},
};
}
}
private class TestScreenOne : TestScreen
{
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public override string Title => @"Screen One";
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protected override string NextTitle => @"Two";
protected override TestScreen CreateNextScreen() => new TestScreenTwo();
}
private class TestScreenTwo : TestScreen
{
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public override string Title => @"Screen Two";
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protected override string NextTitle => @"One";
protected override TestScreen CreateNextScreen() => new TestScreenOne();
}
}
}