Add new display for sample row attribute

osu.Game/Screens/Edit/Timing/ControlPointTable.cs

@@ -147,7 +147,7 @@ namespace osu.Game.Screens.Edit.Timing
                         ).Trim(), colour);
 
                     case SampleControlPoint sample:
-                        return new EmptyRowAttribute("sample", () => $"{sample.SampleBank} {sample.SampleVolume}%", colour);
+                        return new SampleRowAttribute(sample);
                 }
 
                 return null;

osu.Game/Screens/Edit/Timing/RowAttributes/SampleRowAttribute.cs

@@ -0,0 +1,61 @@
+// 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.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+
+namespace osu.Game.Screens.Edit.Timing.RowAttributes
+{
+    public class SampleRowAttribute : RowAttribute
+    {
+        private AttributeBubbledWord sampleText;
+        private OsuSpriteText volumeText;
+
+        private readonly Bindable<string> sampleBank;
+        private readonly BindableNumber<int> volume;
+
+        public SampleRowAttribute(SampleControlPoint sample)
+            : base(sample, "sample")
+        {
+            sampleBank = sample.SampleBankBindable.GetBoundCopy();
+            volume = sample.SampleVolumeBindable.GetBoundCopy();
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            AttributeProgressBar progress;
+
+            Content.AddRange(new Drawable[]
+            {
+                volumeText = new OsuSpriteText
+                {
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.CentreLeft,
+                    Width = 30,
+                    Font = OsuFont.GetFont(size: EditorTable.TEXT_SIZE, weight: FontWeight.Regular),
+                },
+                progress = new AttributeProgressBar(Point),
+                sampleText = new AttributeBubbledWord(Point),
+            });
+
+            volume.BindValueChanged(vol =>
+            {
+                progress.Current.Value = vol.NewValue / 100f;
+                updateText();
+            }, true);
+
+            sampleBank.BindValueChanged(_ => updateText(), true);
+        }
+
+        private void updateText()
+        {
+            volumeText.Text = $"{volume.Value}%";
+            sampleText.Text = $"{sampleBank.Value}";
+        }
+    }
+}