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osu-lazer/osu.Game/Overlays/RestoreDefaultValueButton.cs
2021-10-18 19:43:48 +02:00

126 lines
4.0 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.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Effects;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Game.Graphics;
using osu.Game.Graphics.UserInterface;
using osuTK;
namespace osu.Game.Overlays
{
public class RestoreDefaultValueButton<T> : OsuButton, IHasTooltip, IHasCurrentValue<T>
{
public override bool IsPresent => base.IsPresent || Scheduler.HasPendingTasks;
// this is done to ensure a click on this button doesn't trigger focus on a parent element which contains the button.
public override bool AcceptsFocus => true;
// this is intentionally not using BindableWithCurrent, as it can use the wrong IsDefault implementation when passed a BindableNumber.
// using GetBoundCopy() ensures that the received bindable is of the exact same type as the source bindable and uses the proper IsDefault implementation.
private Bindable<T> current;
public Bindable<T> Current
{
get => current;
set
{
current?.UnbindAll();
current = value.GetBoundCopy();
current.ValueChanged += _ => UpdateState();
current.DefaultChanged += _ => UpdateState();
current.DisabledChanged += _ => UpdateState();
if (IsLoaded)
UpdateState();
}
}
[Resolved]
private OsuColour colours { get; set; }
private const float size = 4;
[BackgroundDependencyLoader]
private void load(OsuColour colour)
{
BackgroundColour = colour.Lime1;
Size = new Vector2(3 * size);
Content.RelativeSizeAxes = Axes.None;
Content.Size = new Vector2(size);
Content.CornerRadius = size / 2;
Alpha = 0f;
Action += () =>
{
if (!current.Disabled)
current.SetDefault();
};
}
protected override void LoadComplete()
{
base.LoadComplete();
updateState();
FinishTransforms(true);
}
public LocalisableString TooltipText => "revert to default";
protected override bool OnHover(HoverEvent e)
{
UpdateState();
return false;
}
protected override void OnHoverLost(HoverLostEvent e)
{
UpdateState();
}
public void UpdateState() => Scheduler.AddOnce(updateState);
private const double fade_duration = 200;
private void updateState()
{
if (current == null)
return;
Enabled.Value = !Current.Disabled;
if (!Current.Disabled)
{
this.FadeTo(Current.IsDefault ? 0 : 1, fade_duration, Easing.OutQuint);
Background.FadeColour(IsHovered ? colours.Lime0 : colours.Lime1, fade_duration, Easing.OutQuint);
Content.TweenEdgeEffectTo(new EdgeEffectParameters
{
Colour = (IsHovered ? colours.Lime1 : colours.Lime3).Opacity(0.4f),
Radius = IsHovered ? 8 : 4,
Type = EdgeEffectType.Glow
}, fade_duration, Easing.OutQuint);
}
else
{
Background.FadeColour(colours.Lime3, fade_duration, Easing.OutQuint);
Content.TweenEdgeEffectTo(new EdgeEffectParameters
{
Colour = colours.Lime3.Opacity(0.1f),
Radius = 2,
Type = EdgeEffectType.Glow
}, fade_duration, Easing.OutQuint);
}
}
}
}