Added beatmap delete dialog

osu.Game/Screens/Select/BeatmapDeleteDialog.cs

@@ -0,0 +1,53 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Overlays.Dialog;
+
+namespace osu.Game
+{
+    public class BeatmapDeleteDialog : PopupDialog
+    {
+        public Action<WorkingBeatmap> OnDelete;
+
+        private WorkingBeatmap beatmap;
+        public WorkingBeatmap Beatmap
+        {
+            get
+            {
+                return beatmap;
+            }
+            set
+            {
+                beatmap = value;
+                BodyText = $@"{beatmap?.Beatmap?.Metadata?.Artist} - {beatmap?.Beatmap?.Metadata?.Title}";
+            }
+        }
+
+        public BeatmapDeleteDialog()
+        {
+            Icon = FontAwesome.fa_trash_o;
+            HeaderText = @"Confirm deletion of";
+            Buttons = new PopupDialogButton[]
+            {
+                new PopupDialogOkButton
+                {
+                    Text = @"Yes. Totally. Delete it.",
+                    Action = () =>
+                    {
+                        if (Beatmap != null)
+                        {
+                            OnDelete?.Invoke(Beatmap);
+                        }
+                    },
+                },
+                new PopupDialogCancelButton
+                {
+                    Text = @"Firetruck, I didn't mean to!",
+                },
+            };
+        }
+    }
+}

osu.Game/Screens/Select/PlaySongSelect.cs

@@ -50,6 +50,8 @@ namespace osu.Game.Screens.Select
 
         private List<BeatmapGroup> beatmapGroups;
 
+        private BeatmapDeleteDialog deleteDialog;
+
         private Footer footer;
 
         OsuScreen player;
@@ -122,7 +124,16 @@ namespace osu.Game.Screens.Select
                             PreferredPlayMode = playMode.Value
                         })).LoadAsync(Game, l => Push(player));
                     }
-                }
+                },
+                deleteDialog = new BeatmapDeleteDialog
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    OnDelete = (b) =>
+                    {
+                        b.Dispose();
+                        database.Delete(b.BeatmapSetInfo);
+                    },
+                },
             };
 
             footer.AddButton(@"mods", colours.Yellow, null);
@@ -280,6 +291,7 @@ namespace osu.Game.Screens.Select
             //todo: change background in selectionChanged instead; support per-difficulty backgrounds.
             changeBackground(beatmap);
             carousel.SelectBeatmap(beatmap?.BeatmapInfo);
+            deleteDialog.Beatmap = beatmap;
         }
 
         /// <summary>
@@ -382,12 +394,20 @@ namespace osu.Game.Screens.Select
                     footer.StartButton.TriggerClick();
                     return true;
                 case Key.Delete:
-                    if (Beatmap != null)
+                    if (state.Keyboard.ShiftPressed)
                     {
-                        Beatmap.Dispose();
-                        database.Delete(Beatmap.BeatmapSetInfo);
+                        deleteDialog.Show();
+                        return true;
+                    }
+                    else
+                    {
+                        if (Beatmap != null)
+                        {
+                            Beatmap.Dispose();
+                            database.Delete(Beatmap.BeatmapSetInfo);
+                        }
+                        return true;
                     }
-                    return true;
             }
 
             return base.OnKeyDown(state, args);

osu.Game/osu.Game.csproj

@@ -285,6 +285,7 @@
     <Compile Include="Overlays\Dialog\PopupDialogButton.cs" />
     <Compile Include="Overlays\Dialog\PopupDialogOKButton.cs" />
     <Compile Include="Overlays\Dialog\PopupDialogCancelButton.cs" />
+    <Compile Include="Screens\Select\BeatmapDeleteDialog.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\osu-framework\osu.Framework\osu.Framework.csproj">