Add component for displaying simple statistics on result screen

osu.Game/Screens/Ranking/Statistics/SimpleStatisticItem.cs

@@ -0,0 +1,80 @@
+// 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.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+
+namespace osu.Game.Screens.Ranking.Statistics
+{
+    /// <summary>
+    /// Represents a simple statistic item (one that only needs textual display).
+    /// Richer visualisations should be done with <see cref="StatisticItem"/>s.
+    /// </summary>
+    public abstract class SimpleStatisticItem : Container
+    {
+        /// <summary>
+        /// The text to display as the statistic's value.
+        /// </summary>
+        protected string Value
+        {
+            set => this.value.Text = value;
+        }
+
+        private readonly OsuSpriteText value;
+
+        /// <summary>
+        /// Creates a new simple statistic item.
+        /// </summary>
+        /// <param name="name">The name of the statistic.</param>
+        protected SimpleStatisticItem(string name)
+        {
+            Name = name;
+
+            RelativeSizeAxes = Axes.X;
+            AutoSizeAxes = Axes.Y;
+
+            AddRange(new[]
+            {
+                new OsuSpriteText
+                {
+                    Text = Name,
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.CentreLeft
+                },
+                value = new OsuSpriteText
+                {
+                    Anchor = Anchor.CentreRight,
+                    Origin = Anchor.CentreRight,
+                    Font = OsuFont.Torus.With(weight: FontWeight.Bold)
+                }
+            });
+        }
+    }
+
+    /// <summary>
+    /// Strongly-typed generic specialisation for <see cref="SimpleStatisticItem"/>.
+    /// </summary>
+    public class SimpleStatisticItem<TValue> : SimpleStatisticItem
+    {
+        /// <summary>
+        /// The statistic's value to be displayed.
+        /// </summary>
+        public new TValue Value
+        {
+            set => base.Value = DisplayValue(value);
+        }
+
+        /// <summary>
+        /// Used to convert <see cref="Value"/> to a text representation.
+        /// Defaults to using <see cref="object.ToString"/>.
+        /// </summary>
+        protected virtual string DisplayValue(TValue value) => value.ToString();
+
+        public SimpleStatisticItem(string name)
+            : base(name)
+        {
+        }
+    }
+}

osu.Game/Screens/Ranking/Statistics/SimpleStatisticRow.cs

@@ -0,0 +1,122 @@
+// 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 System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+
+namespace osu.Game.Screens.Ranking.Statistics
+{
+    /// <summary>
+    /// Represents a statistic row with simple statistics (ones that only need textual display).
+    /// Richer visualisations should be done with <see cref="StatisticRow"/>s and <see cref="StatisticItem"/>s.
+    /// </summary>
+    public class SimpleStatisticRow : CompositeDrawable
+    {
+        private readonly SimpleStatisticItem[] items;
+        private readonly int columnCount;
+
+        private FillFlowContainer[] columns;
+
+        /// <summary>
+        /// Creates a statistic row for the supplied <see cref="SimpleStatisticItem"/>s.
+        /// </summary>
+        /// <param name="columnCount">The number of columns to layout the <paramref name="items"/> into.</param>
+        /// <param name="items">The <see cref="SimpleStatisticItem"/>s to display in this row.</param>
+        public SimpleStatisticRow(int columnCount, IEnumerable<SimpleStatisticItem> items)
+        {
+            if (columnCount < 1)
+                throw new ArgumentOutOfRangeException(nameof(columnCount));
+
+            this.columnCount = columnCount;
+            this.items = items.ToArray();
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            columns = new FillFlowContainer[columnCount];
+
+            RelativeSizeAxes = Axes.X;
+            AutoSizeAxes = Axes.Y;
+
+            InternalChild = new GridContainer
+            {
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y,
+                RowDimensions = new[]
+                {
+                    new Dimension(GridSizeMode.AutoSize)
+                },
+                ColumnDimensions = createColumnDimensions().ToArray(),
+                Content = new[] { createColumns().ToArray() }
+            };
+
+            for (int i = 0; i < items.Length; ++i)
+                columns[i % columnCount].Add(items[i]);
+        }
+
+        private IEnumerable<Dimension> createColumnDimensions()
+        {
+            for (int column = 0; column < columnCount; ++column)
+            {
+                if (column > 0)
+                    yield return new Dimension(GridSizeMode.Absolute, 30);
+
+                yield return new Dimension();
+            }
+        }
+
+        private IEnumerable<Drawable> createColumns()
+        {
+            for (int column = 0; column < columnCount; ++column)
+            {
+                if (column > 0)
+                {
+                    yield return new Spacer
+                    {
+                        Alpha = items.Length > column ? 1 : 0
+                    };
+                }
+
+                yield return columns[column] = createColumn();
+            }
+        }
+
+        private FillFlowContainer createColumn() => new FillFlowContainer
+        {
+            RelativeSizeAxes = Axes.X,
+            AutoSizeAxes = Axes.Y,
+            Direction = FillDirection.Vertical
+        };
+
+        private class Spacer : CompositeDrawable
+        {
+            public Spacer()
+            {
+                RelativeSizeAxes = Axes.Both;
+                Padding = new MarginPadding { Vertical = 4 };
+
+                InternalChild = new CircularContainer
+                {
+                    RelativeSizeAxes = Axes.Y,
+                    Width = 3,
+                    Origin = Anchor.Centre,
+                    Anchor = Anchor.Centre,
+                    CornerRadius = 2,
+                    Masking = true,
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Colour = Color4Extensions.FromHex("#222")
+                    }
+                };
+            }
+        }
+    }
+}