Renamespace compose-mode components

osu.Game/Screens/Edit/Components/RadioButtons/RadioButtonCollection.cs

@@ -0,0 +1,61 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Collections.Generic;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using OpenTK;
+
+namespace osu.Game.Screens.Edit.Components.RadioButtons
+{
+    public class RadioButtonCollection : CompositeDrawable
+    {
+        private IReadOnlyList<RadioButton> items;
+        public IReadOnlyList<RadioButton> Items
+        {
+            get { return items; }
+            set
+            {
+                if (ReferenceEquals(items, value))
+                    return;
+                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;
+        private void addButton(RadioButton button)
+        {
+            button.Selected.ValueChanged += v =>
+            {
+                if (v)
+                {
+                    currentlySelected?.Deselect();
+                    currentlySelected = button;
+                }
+                else
+                    currentlySelected = null;
+            };
+
+            buttonContainer.Add(new DrawableRadioButton(button));
+        }
+    }
+}