osu/osu.Game/Graphics/UserInterface/BarGraph.cs

79 lines
2.8 KiB
C#

// 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 osuTK;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using System.Collections.Generic;
using System.Linq;
namespace osu.Game.Graphics.UserInterface
{
public class BarGraph : FillFlowContainer<Bar>
{
/// <summary>
/// Manually sets the max value, if null <see cref="Enumerable.Max(IEnumerable{float})"/> is instead used
/// </summary>
public float? MaxValue { get; set; }
private BarDirection direction = BarDirection.BottomToTop;
public new BarDirection Direction
{
get => direction;
set
{
direction = value;
base.Direction = direction.HasFlag(BarDirection.Horizontal) ? FillDirection.Vertical : FillDirection.Horizontal;
foreach (var bar in Children)
{
bar.Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, 1.0f / Children.Count) : new Vector2(1.0f / Children.Count, 1);
bar.Direction = direction;
}
}
}
/// <summary>
/// A list of floats that defines the length of each <see cref="Bar"/>
/// </summary>
public IEnumerable<float> Values
{
set
{
List<Bar> bars = Children.ToList();
foreach (var bar in value.Select((length, index) => new { Value = length, Bar = bars.Count > index ? bars[index] : null }))
{
float length = MaxValue ?? value.Max();
if (length != 0)
length = bar.Value / length;
float size = value.Count();
if (size != 0)
size = 1.0f / size;
if (bar.Bar != null)
{
bar.Bar.Length = length;
bar.Bar.Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1);
}
else
{
Add(new Bar
{
RelativeSizeAxes = Axes.Both,
Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1),
Length = length,
Direction = Direction,
});
}
}
//I'm using ToList() here because Where() returns an Enumerable which can change it's elements afterwards
RemoveRange(Children.Where((bar, index) => index >= value.Count()).ToList());
}
}
}
}