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osu-lazer/osu.Game/Screens/Edit/Components/RadioButtons/EditorRadioButtonCollection.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;
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using System.Collections.Generic;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osuTK;
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namespace osu.Game.Screens.Edit.Components.RadioButtons
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{
public partial class EditorRadioButtonCollection : CompositeDrawable
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{
private IReadOnlyList<RadioButton> items = Array.Empty<RadioButton>();
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public IReadOnlyList<RadioButton> Items
{
get => items;
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set
{
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if (ReferenceEquals(items, value))
return;
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items = value;
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buttonContainer.Clear();
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items.ForEach(addButton);
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}
}
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private readonly FlowContainer<EditorRadioButton> buttonContainer;
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public EditorRadioButtonCollection()
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{
AutoSizeAxes = Axes.Y;
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InternalChild = buttonContainer = new FillFlowContainer<EditorRadioButton>
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{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(0, 5)
};
}
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private RadioButton? currentlySelected;
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private void addButton(RadioButton button)
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{
button.Selected.ValueChanged += selected =>
{
if (selected.NewValue)
{
currentlySelected?.Deselect();
currentlySelected = button;
}
else
currentlySelected = null;
};
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buttonContainer.Add(new EditorRadioButton(button));
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}
}
}