osu/osu.Game/Graphics/UserInterface/OsuTabControl.cs

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2018-04-13 09:19:50 +00:00
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Linq;
using OpenTK;
using OpenTK.Graphics;
using osu.Framework.Allocation;
using osu.Framework.Extensions;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
using osu.Framework.MathUtils;
using osu.Game.Graphics.Sprites;
namespace osu.Game.Graphics.UserInterface
{
public class OsuTabControl<T> : TabControl<T>
{
private readonly Box strip;
protected override Dropdown<T> CreateDropdown() => new OsuTabDropdown();
protected override TabItem<T> CreateTabItem(T value) => new OsuTabItem(value);
protected virtual float StripWidth() => TabContainer.Children.Sum(c => c.IsPresent ? c.DrawWidth + TabContainer.Spacing.X : 0) - TabContainer.Spacing.X;
protected virtual float StripHeight() => 1;
private static bool isEnumType => typeof(T).IsEnum;
public OsuTabControl()
{
TabContainer.Spacing = new Vector2(10f, 0f);
Add(strip = new Box
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
Height = StripHeight(),
Colour = Color4.White.Opacity(0),
});
if (isEnumType)
foreach (var val in (T[])Enum.GetValues(typeof(T)))
AddItem(val);
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
if (accentColour == default(Color4))
AccentColour = colours.Blue;
}
private Color4 accentColour;
public Color4 AccentColour
{
get { return accentColour; }
set
{
accentColour = value;
var dropdown = Dropdown as IHasAccentColour;
if (dropdown != null)
dropdown.AccentColour = value;
foreach (var i in TabContainer.Children.OfType<IHasAccentColour>())
i.AccentColour = value;
}
}
public Color4 StripColour
{
get => strip.Colour;
set => strip.Colour = value;
}
protected override TabFillFlowContainer CreateTabFlow() => new OsuTabFillFlowContainer
{
Direction = FillDirection.Full,
RelativeSizeAxes = Axes.Both,
Depth = -1,
Masking = true
};
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
// dont bother calculating if the strip is invisible
if (strip.Colour.MaxAlpha > 0)
strip.Width = Interpolation.ValueAt(MathHelper.Clamp(Clock.ElapsedFrameTime, 0, 1000), strip.Width, StripWidth(), 0, 500, Easing.OutQuint);
}
public class OsuTabItem : TabItem<T>, IHasAccentColour
{
protected readonly SpriteText Text;
protected readonly Box Bar;
private Color4 accentColour;
public Color4 AccentColour
{
get { return accentColour; }
set
{
accentColour = value;
if (!Active)
Text.Colour = value;
}
}
private const float transition_length = 500;
private void fadeActive()
{
Bar.FadeIn(transition_length, Easing.OutQuint);
Text.FadeColour(Color4.White, transition_length, Easing.OutQuint);
}
private void fadeInactive()
{
Bar.FadeOut(transition_length, Easing.OutQuint);
Text.FadeColour(AccentColour, transition_length, Easing.OutQuint);
}
protected override bool OnHover(InputState state)
{
if (!Active)
fadeActive();
return true;
}
protected override void OnHoverLost(InputState state)
{
if (!Active)
fadeInactive();
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
if (accentColour == default(Color4))
AccentColour = colours.Blue;
}
public OsuTabItem(T value) : base(value)
{
AutoSizeAxes = Axes.X;
RelativeSizeAxes = Axes.Y;
Children = new Drawable[]
{
Text = new OsuSpriteText
{
Margin = new MarginPadding { Top = 5, Bottom = 5 },
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
Text = (value as Enum)?.GetDescription() ?? value.ToString(),
TextSize = 14,
Font = @"Exo2.0-Bold", // Font should only turn bold when active?
},
Bar = new Box
{
RelativeSizeAxes = Axes.X,
Height = 1,
Alpha = 0,
Colour = Color4.White,
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
},
new HoverClickSounds()
};
}
protected override void OnActivated() => fadeActive();
protected override void OnDeactivated() => fadeInactive();
}
// todo: this needs to go
private class OsuTabDropdown : OsuDropdown<T>
{
public OsuTabDropdown()
{
RelativeSizeAxes = Axes.X;
}
protected override DropdownMenu CreateMenu() => new OsuTabDropdownMenu();
protected override DropdownHeader CreateHeader() => new OsuTabDropdownHeader
{
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight
};
private class OsuTabDropdownMenu : OsuDropdownMenu
{
public OsuTabDropdownMenu()
{
Anchor = Anchor.TopRight;
Origin = Anchor.TopRight;
BackgroundColour = Color4.Black.Opacity(0.7f);
MaxHeight = 400;
}
protected override DrawableMenuItem CreateDrawableMenuItem(MenuItem item) => new DrawableOsuTabDropdownMenuItem(item) { AccentColour = AccentColour };
private class DrawableOsuTabDropdownMenuItem : DrawableOsuDropdownMenuItem
{
public DrawableOsuTabDropdownMenuItem(MenuItem item)
: base(item)
{
ForegroundColourHover = Color4.Black;
}
}
}
protected class OsuTabDropdownHeader : OsuDropdownHeader
{
public override Color4 AccentColour
{
get
{
return base.AccentColour;
}
set
{
base.AccentColour = value;
Foreground.Colour = value;
}
}
public OsuTabDropdownHeader()
{
RelativeSizeAxes = Axes.None;
AutoSizeAxes = Axes.X;
BackgroundColour = Color4.Black.Opacity(0.5f);
Background.Height = 0.5f;
Background.CornerRadius = 5;
Background.Masking = true;
Foreground.RelativeSizeAxes = Axes.None;
Foreground.AutoSizeAxes = Axes.X;
Foreground.RelativeSizeAxes = Axes.Y;
Foreground.Margin = new MarginPadding(5);
Foreground.Children = new Drawable[]
{
new SpriteIcon
{
Icon = FontAwesome.fa_ellipsis_h,
Size = new Vector2(14),
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
}
};
Padding = new MarginPadding { Left = 5, Right = 5 };
}
protected override bool OnHover(InputState state)
{
Foreground.Colour = BackgroundColour;
return base.OnHover(state);
}
protected override void OnHoverLost(InputState state)
{
Foreground.Colour = BackgroundColourHover;
base.OnHoverLost(state);
}
}
}
private class OsuTabFillFlowContainer : TabFillFlowContainer
{
protected override int Compare(Drawable x, Drawable y) => CompareReverseChildID(x, y);
}
}
}