Implement NewsSideBar component

osu.Game/Overlays/News/Sidebar/NewsSideBar.cs

@@ -0,0 +1,114 @@
+// 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.Containers;
+using osu.Framework.Graphics;
+using osu.Game.Online.API.Requests.Responses;
+using osu.Framework.Graphics.Shapes;
+using osuTK;
+using System.Collections.Generic;
+using System;
+
+namespace osu.Game.Overlays.News.Sidebar
+{
+    public class NewsSideBar : CompositeDrawable
+    {
+        public readonly Bindable<APINewsSidebar> Metadata = new Bindable<APINewsSidebar>();
+
+        private YearsPanel yearsPanel;
+        private FillFlowContainer<MonthPanel> monthsFlow;
+
+        [BackgroundDependencyLoader]
+        private void load(OverlayColourProvider colourProvider)
+        {
+            RelativeSizeAxes = Axes.Y;
+            Width = 250;
+            InternalChildren = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = colourProvider.Background4
+                },
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding
+                    {
+                        Top = 20,
+                        Left = 50,
+                        Right = 30
+                    },
+                    Child = new FillFlowContainer
+                    {
+                        Anchor = Anchor.TopCentre,
+                        Origin = Anchor.TopCentre,
+                        Direction = FillDirection.Vertical,
+                        AutoSizeAxes = Axes.Both,
+                        Spacing = new Vector2(0, 20),
+                        Children = new Drawable[]
+                        {
+                            yearsPanel = new YearsPanel(),
+                            monthsFlow = new FillFlowContainer<MonthPanel>
+                            {
+                                AutoSizeAxes = Axes.Both,
+                                Direction = FillDirection.Vertical,
+                                Spacing = new Vector2(0, 10)
+                            }
+                        }
+                    }
+                }
+            };
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            Metadata.BindValueChanged(metadata =>
+            {
+                monthsFlow.Clear();
+
+                if (metadata.NewValue == null)
+                {
+                    yearsPanel.Hide();
+                    return;
+                }
+
+                yearsPanel.Years = metadata.NewValue.Years;
+                yearsPanel.Show();
+
+                if (metadata.NewValue != null)
+                {
+                    var dict = new Dictionary<int, List<APINewsPost>>();
+
+                    foreach (var p in metadata.NewValue.NewsPosts)
+                    {
+                        var month = p.PublishedAt.Month;
+
+                        if (dict.ContainsKey(month))
+                            dict[month].Add(p);
+                        else
+                        {
+                            dict.Add(month, new List<APINewsPost>(new[] { p }));
+                        }
+                    }
+
+                    bool isFirst = true;
+
+                    foreach (var keyValuePair in dict)
+                    {
+                        monthsFlow.Add(new MonthPanel(new DateTime(metadata.NewValue.CurrentYear, keyValuePair.Key, 1), keyValuePair.Value.ToArray())
+                        {
+                            IsOpen = { Value = isFirst }
+                        });
+
+                        isFirst = false;
+                    }
+                }
+            }, true);
+        }
+    }
+}