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osu-lazer/osu.Game/Overlays/OverlayStreamItem.cs
2020-03-16 16:32:25 -07:00

141 lines
4.4 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 osu.Framework.Graphics;
using osu.Framework.Input.Events;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Allocation;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics;
using osuTK.Graphics;
namespace osu.Game.Overlays
{
public abstract class OverlayStreamItem<T> : TabItem<T>
{
public readonly Bindable<T> SelectedItem = new Bindable<T>();
private bool userHoveringArea;
public bool UserHoveringArea
{
set
{
if (value == userHoveringArea)
return;
userHoveringArea = value;
updateState();
}
}
private FillFlowContainer<SpriteText> text;
private ExpandingBar expandingBar;
protected OverlayStreamItem(T value)
: base(value)
{
Height = 60;
Width = 100;
Padding = new MarginPadding(5);
}
[BackgroundDependencyLoader]
private void load(OverlayColourProvider colourProvider, OsuColour colours)
{
AddRange(new Drawable[]
{
text = new FillFlowContainer<SpriteText>
{
AutoSizeAxes = Axes.Both,
Direction = FillDirection.Vertical,
Margin = new MarginPadding { Top = 6 },
Children = new[]
{
new OsuSpriteText
{
Text = MainText,
Font = OsuFont.GetFont(size: 12, weight: FontWeight.Bold),
},
new OsuSpriteText
{
Text = AdditionalText,
Font = OsuFont.GetFont(size: 16, weight: FontWeight.Regular),
},
new OsuSpriteText
{
Text = InfoText,
Font = OsuFont.GetFont(size: 10),
Colour = colourProvider.Foreground1
},
}
},
expandingBar = new ExpandingBar
{
Anchor = Anchor.TopCentre,
Colour = GetBarColour(colours),
ExpandedSize = 4,
CollapsedSize = 2,
Expanded = true
},
new HoverClickSounds()
});
SelectedItem.BindValueChanged(_ => updateState(), true);
}
protected abstract string MainText { get; }
protected abstract string AdditionalText { get; }
protected virtual string InfoText => string.Empty;
protected abstract Color4 GetBarColour(OsuColour colours);
protected override void OnActivated() => updateState();
protected override void OnDeactivated() => updateState();
protected override bool OnHover(HoverEvent e)
{
updateState();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
updateState();
base.OnHoverLost(e);
}
private void updateState()
{
// highlighted regardless if we are hovered
bool textHighlighted = IsHovered;
bool barExpanded = IsHovered;
if (SelectedItem.Value == null)
{
// at listing, all badges are highlighted when user is not hovering any badge.
textHighlighted |= !userHoveringArea;
barExpanded |= !userHoveringArea;
}
else
{
// bar is always expanded when active
barExpanded |= Active.Value;
// text is highlighted only when hovered or active (but not if in selection mode)
textHighlighted |= Active.Value && !userHoveringArea;
}
expandingBar.Expanded = barExpanded;
text.FadeTo(textHighlighted ? 1 : 0.5f, 100, Easing.OutQuint);
}
}
}