From acdd26422dc4c006f88b2eb0028113622b23a4ad Mon Sep 17 00:00:00 2001
From: Andrei Zavatski <megaman9919@gmail.com>
Date: Thu, 12 Sep 2019 06:36:17 +0300
Subject: [PATCH] Implement Spotlights logic

---
 .../Visual/Online/TestSceneRankingsHeader.cs  | 18 +++++
 osu.Game/Overlays/Rankings/RankingsHeader.cs  | 74 +++++++++++++++++--
 osu.Game/Overlays/Rankings/Spotlight.cs       | 18 +++++
 3 files changed, 102 insertions(+), 8 deletions(-)
 create mode 100644 osu.Game/Overlays/Rankings/Spotlight.cs

diff --git a/osu.Game.Tests/Visual/Online/TestSceneRankingsHeader.cs b/osu.Game.Tests/Visual/Online/TestSceneRankingsHeader.cs
index 81534e7d44..e8ed94b59c 100644
--- a/osu.Game.Tests/Visual/Online/TestSceneRankingsHeader.cs
+++ b/osu.Game.Tests/Visual/Online/TestSceneRankingsHeader.cs
@@ -35,6 +35,24 @@ namespace osu.Game.Tests.Visual.Online
                 Scope = { BindTarget = scope },
                 Country = { BindTarget = countryBindable },
                 Ruleset = { BindTarget = ruleset },
+                Spotlights = new[]
+                {
+                    new Spotlight
+                    {
+                        Id = 1,
+                        Text = "Spotlight 1"
+                    },
+                    new Spotlight
+                    {
+                        Id = 2,
+                        Text = "Spotlight 2"
+                    },
+                    new Spotlight
+                    {
+                        Id = 3,
+                        Text = "Spotlight 4"
+                    }
+                }
             });
 
             var country = new Country
diff --git a/osu.Game/Overlays/Rankings/RankingsHeader.cs b/osu.Game/Overlays/Rankings/RankingsHeader.cs
index 7fdc2ab9c8..6d55e92502 100644
--- a/osu.Game/Overlays/Rankings/RankingsHeader.cs
+++ b/osu.Game/Overlays/Rankings/RankingsHeader.cs
@@ -4,23 +4,38 @@
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics;
 using osu.Framework.Allocation;
-using osu.Framework.Graphics.Shapes;
-using osu.Game.Graphics;
 using osu.Framework.Bindables;
 using osu.Game.Rulesets;
 using osu.Game.Users;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
+using osuTK;
+using osu.Game.Graphics.UserInterface;
+using System.Collections.Generic;
 
 namespace osu.Game.Overlays.Rankings
 {
     public class RankingsHeader : CompositeDrawable
     {
         private const int content_height = 250;
+        private const int dropdown_height = 50;
+        private const int spacing = 20;
+        private const int title_offset = 30;
+        private const int duration = 200;
+
+        public IEnumerable<Spotlight> Spotlights
+        {
+            get => dropdown.Items;
+            set => dropdown.Items = value;
+        }
 
         public readonly Bindable<RankingsScope> Scope = new Bindable<RankingsScope>();
         public readonly Bindable<RulesetInfo> Ruleset = new Bindable<RulesetInfo>();
         public readonly Bindable<Country> Country = new Bindable<Country>();
+        public readonly Bindable<Spotlight> Spotlight = new Bindable<Spotlight>();
+
+        private readonly Container dropdownPlaceholder;
+        private readonly OsuDropdown<Spotlight> dropdown;
 
         public RankingsHeader()
         {
@@ -47,29 +62,72 @@ namespace osu.Game.Overlays.Rankings
                         Height = content_height,
                         Children = new Drawable[]
                         {
-                            new HeaderBackground(),
+                            new Container
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Masking = true,
+                                Child = new HeaderBackground(),
+                            },
                             new RankingsScopeSelector
                             {
                                 Margin = new MarginPadding { Top = 10 },
                                 Current = { BindTarget = Scope }
                             },
-                            new HeaderTitle
+                            new FillFlowContainer
                             {
                                 Anchor = Anchor.Centre,
                                 Origin = Anchor.Centre,
-                                Scope = { BindTarget = Scope },
-                                Country = { BindTarget = Country },
-                            }
+                                Y = title_offset,
+                                AutoSizeAxes = Axes.Y,
+                                RelativeSizeAxes = Axes.X,
+                                Direction = FillDirection.Vertical,
+                                Spacing = new Vector2(0, spacing),
+                                Children = new Drawable[]
+                                {
+                                    new HeaderTitle
+                                    {
+                                        Anchor = Anchor.TopCentre,
+                                        Origin = Anchor.TopCentre,
+                                        Scope = { BindTarget = Scope },
+                                        Country = { BindTarget = Country },
+                                    },
+                                    dropdownPlaceholder = new Container
+                                    {
+                                        Anchor = Anchor.TopCentre,
+                                        Origin = Anchor.TopCentre,
+                                        RelativeSizeAxes = Axes.X,
+                                        Height = dropdown_height,
+                                        Width = 0.8f,
+                                        AlwaysPresent = true,
+                                        Child = dropdown = new OsuDropdown<Spotlight>
+                                        {
+                                            RelativeSizeAxes = Axes.X,
+                                            Current = { BindTarget = Spotlight },
+                                        }
+                                    }
+                                }
+                            },
                         }
                     }
                 }
             });
         }
 
-        public class HeaderBackground : Sprite
+        protected override void LoadComplete()
+        {
+            Scope.BindValueChanged(scope => onScopeChanged(scope.NewValue), true);
+            base.LoadComplete();
+        }
+
+        private void onScopeChanged(RankingsScope scope) =>
+            dropdownPlaceholder.FadeTo(scope == RankingsScope.Spotlights ? 1 : 0, duration, Easing.OutQuint);
+
+        private class HeaderBackground : Sprite
         {
             public HeaderBackground()
             {
+                Anchor = Anchor.Centre;
+                Origin = Anchor.Centre;
                 RelativeSizeAxes = Axes.Both;
                 FillMode = FillMode.Fill;
             }
diff --git a/osu.Game/Overlays/Rankings/Spotlight.cs b/osu.Game/Overlays/Rankings/Spotlight.cs
new file mode 100644
index 0000000000..e956b4f449
--- /dev/null
+++ b/osu.Game/Overlays/Rankings/Spotlight.cs
@@ -0,0 +1,18 @@
+// 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 Newtonsoft.Json;
+
+namespace osu.Game.Overlays.Rankings
+{
+    public class Spotlight
+    {
+        [JsonProperty("id")]
+        public int Id;
+
+        [JsonProperty("text")]
+        public string Text;
+
+        public override string ToString() => Text;
+    }
+}