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osu-lazer/osu.Game/Screens/Edit/Components/RadioButtons/RadioButtonCollection.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;
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 class RadioButtonCollection : CompositeDrawable
{
private IReadOnlyList<RadioButton> items;
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public IReadOnlyList<RadioButton> Items
{
get => items;
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set
{
if (ReferenceEquals(items, value))
return;
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items = value;
buttonContainer.Clear();
items.ForEach(addButton);
}
}
private readonly FlowContainer<DrawableRadioButton> buttonContainer;
public RadioButtonCollection()
{
AutoSizeAxes = Axes.Y;
InternalChild = buttonContainer = new FillFlowContainer<DrawableRadioButton>
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(0, 5)
};
}
private RadioButton currentlySelected;
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private void addButton(RadioButton button)
{
button.Selected.ValueChanged += selected =>
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{
if (selected.NewValue)
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{
currentlySelected?.Deselect();
currentlySelected = button;
}
else
currentlySelected = null;
};
buttonContainer.Add(new DrawableRadioButton(button));
}
}
}