osu-lazer/osu.Game/Screens/Ranking/ResultModeButton.cs

using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Game.Graphics;
using OpenTK;
using OpenTK.Graphics;

namespace osu.Game.Screens.Ranking
{
    public class ResultModeButton : TabItem<ResultMode>
    {
        private readonly FontAwesome icon;
        private Color4 activeColour;
        private Color4 inactiveColour;
        private CircularContainer colouredPart;

        public ResultModeButton(ResultMode mode) : base(mode)
        {
            switch (mode)
            {
                case ResultMode.Summary:
                    icon = FontAwesome.fa_asterisk;
                    break;
                case ResultMode.Ranking:
                    icon = FontAwesome.fa_list;
                    break;
                case ResultMode.Share:
                    icon = FontAwesome.fa_camera;
                    break;
            }
        }

        public override bool Active
        {
            get
            {
                return base.Active;
            }
            set
            {
                base.Active = value;
                colouredPart.FadeColour(Active ? activeColour : inactiveColour, 200, EasingTypes.OutQuint);
            }
        }

        [BackgroundDependencyLoader]
        private void load(OsuColour colours)
        {
            Size = new Vector2(50);

            Masking = true;
            CornerRadius = 25;

            activeColour = colours.PinkDarker;
            inactiveColour = OsuColour.Gray(0.8f);

            EdgeEffect = new EdgeEffect
            {
                Colour = Color4.Black.Opacity(0.4f),
                Type = EdgeEffectType.Shadow,
                Radius = 5,
            };

            Children = new Drawable[]
            {
                new Box
                {
                    RelativeSizeAxes = Axes.Both,
                    Colour = Color4.White,
                },
                colouredPart = new CircularContainer
                {
                    Anchor = Anchor.Centre,
                    Origin = Anchor.Centre,
                    RelativeSizeAxes = Axes.Both,
                    Size = new Vector2(0.8f),
                    BorderThickness = 4,
                    BorderColour = Color4.White,
                    Colour = inactiveColour,
                    Children = new Drawable[]
                    {
                        new Box
                        {
                            AlwaysPresent = true, //for border rendering
                            RelativeSizeAxes = Axes.Both,
                            Colour = Color4.Transparent,
                        },
                        new TextAwesome
                        {
                            Anchor = Anchor.Centre,
                            Origin = Anchor.Centre,
                            Shadow = false,
                            Colour = OsuColour.Gray(0.95f),
                            Icon = icon,
                            TextSize = 20,
                        }
                    }
                }
            };
        }
    }
}