Add localisation support for local modification strings

osu.Game/Beatmaps/BeatmapOnlineStatus.cs

@@ -5,6 +5,7 @@
 
 using System.ComponentModel;
 using osu.Framework.Localisation;
+using osu.Game.Localisation;
 using osu.Game.Resources.Localisation.Web;
 
 namespace osu.Game.Beatmaps
@@ -16,6 +17,7 @@ namespace osu.Game.Beatmaps
         /// Once in this state, online status changes should be ignored unless the beatmap is reverted or submitted.
         /// </summary>
         [Description("Local")]
+        [LocalisableDescription(typeof(SongSelectStrings), nameof(SongSelectStrings.LocallyModified))]
         LocallyModified = -4,
 
         None = -3,

osu.Game/Beatmaps/Drawables/BeatmapSetOnlineStatusPill.cs

@@ -6,15 +6,18 @@ using osu.Framework.Extensions;
 using osu.Framework.Extensions.LocalisationExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
+using osu.Framework.Localisation;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
+using osu.Game.Localisation;
 using osu.Game.Overlays;
 using osuTK.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
-    public class BeatmapSetOnlineStatusPill : CircularContainer
+    public class BeatmapSetOnlineStatusPill : CircularContainer, IHasTooltip
     {
         private BeatmapOnlineStatus status;
 
@@ -96,5 +99,19 @@ namespace osu.Game.Beatmaps.Drawables
 
             background.Colour = OsuColour.ForBeatmapSetOnlineStatus(Status) ?? colourProvider?.Light1 ?? colours.GreySeaFoamLighter;
         }
+
+        public LocalisableString TooltipText
+        {
+            get
+            {
+                switch (Status)
+                {
+                    case BeatmapOnlineStatus.LocallyModified:
+                        return SongSelectStrings.LocallyModifiedTooltip;
+                }
+
+                return string.Empty;
+            }
+        }
     }
 }

osu.Game/Localisation/SongSelectStrings.cs

@@ -0,0 +1,24 @@
+// 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.Localisation;
+
+namespace osu.Game.Localisation
+{
+    public static class SongSelectStrings
+    {
+        private const string prefix = @"osu.Game.Resources.Localisation.SongSelect";
+
+        /// <summary>
+        /// "Local"
+        /// </summary>
+        public static LocalisableString LocallyModified => new TranslatableString(getKey(@"locally_modified"), @"Local");
+
+        /// <summary>
+        /// "Has been locally modified"
+        /// </summary>
+        public static LocalisableString LocallyModifiedTooltip => new TranslatableString(getKey(@"locally_modified_tooltip"), @"Has been locally modified");
+
+        private static string getKey(string key) => $@"{prefix}:{key}";
+    }
+}