Add ability to change best of, add and delete groupings

osu.Game.Tournament.Tests/TestCaseGroupingManager.cs

@@ -1,8 +1,10 @@
 // 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.Linq;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.UserInterface;
 using osu.Game.Overlays.Settings;
 using osu.Game.Tournament.Screens.Ladder.Components;
 
@@ -10,20 +12,43 @@ namespace osu.Game.Tournament.Tests
 {
     public class TestCaseGroupingManager : LadderTestCase
     {
+        private readonly FillFlowContainer<GroupingRow> items;
+
         public TestCaseGroupingManager()
         {
-            FillFlowContainer items;
+            Add(new FillFlowContainer
-
-            Add(items = new FillFlowContainer
             {
                 Direction = FillDirection.Vertical,
-                RelativeSizeAxes = Axes.Both
+                RelativeSizeAxes = Axes.Both,
+                Children = new Drawable[]
+                {
+                    items = new FillFlowContainer<GroupingRow>
+                    {
+                        Direction = FillDirection.Vertical,
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                    },
+                    new TriangleButton
+                    {
+                        Width = 100,
+                        Text = "Add",
+                        Action = addNew
+                    },
+                }
             });
 
             foreach (var g in Ladder.Groupings)
                 items.Add(new GroupingRow(g));
         }
 
+        protected override void SaveChanges()
+        {
+            Ladder.Groupings = items.Children.Select(c => c.Grouping).ToList();
+            base.SaveChanges();
+        }
+
+        private void addNew() => items.Add(new GroupingRow(new TournamentGrouping()));
+
         public class GroupingRow : CompositeDrawable
         {
             public readonly TournamentGrouping Grouping;
@@ -39,8 +64,15 @@ namespace osu.Game.Tournament.Tests
                         RelativeSizeAxes = Axes.Both,
                         Children = new Drawable[]
                         {
-                            new SettingsTextBox { Width = 0.4f, Bindable = Grouping.Name },
+                            new SettingsTextBox { Width = 0.3f, Bindable = Grouping.Name },
-                            new SettingsTextBox { Width = 0.4f, Bindable = Grouping.Description },
+                            new SettingsTextBox { Width = 0.3f, Bindable = Grouping.Description },
+                            new SettingsSlider<int> { LabelText = "Best of", Width = 0.3f, Bindable = Grouping.BestOf },
+                            new DangerousSettingsButton
+                            {
+                                Width = 0.1f,
+                                Text = "Delete",
+                                Action = () => Expire()
+                            },
                         }
                     }
                 };

osu.Game.Tournament/Screens/Ladder/Components/TournamentGrouping.cs

@@ -11,7 +11,7 @@ namespace osu.Game.Tournament.Screens.Ladder.Components
         public readonly Bindable<string> Name = new Bindable<string>();
         public readonly Bindable<string> Description = new Bindable<string>();
 
-        public int BestOf;
+        public readonly BindableInt BestOf = new BindableInt(9) { Default = 9, MinValue = 3, MaxValue = 23 };
 
         public List<int> Pairings = new List<int>();
     }