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osu-lazer/osu.Game/Overlays/RevertToDefaultButton.cs

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// 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;
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using osu.Framework.Extensions.LocalisationExtensions;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
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using osu.Game.Localisation;
using osuTK;
namespace osu.Game.Overlays
{
public partial class RevertToDefaultButton<T> : OsuClickableContainer, 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;
private SpriteIcon icon = null!;
private Circle circle = null!;
[Resolved]
private OsuColour colours { get; set; } = null!;
[Resolved]
private OverlayColourProvider? colourProvider { get; set; }
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public Bindable<T> Current
{
get => current.AsNonNull();
set
{
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current?.UnbindAll();
current = value.GetBoundCopy();
current.ValueChanged += _ => UpdateState();
current.DefaultChanged += _ => UpdateState();
current.DisabledChanged += _ => UpdateState();
if (IsLoaded)
UpdateState();
}
}
public RevertToDefaultButton()
: base(HoverSampleSet.Button)
{
}
[BackgroundDependencyLoader]
private void load()
{
Size = new Vector2(14);
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AddRange(new Drawable[]
{
circle = new Circle
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
},
icon = new SpriteIcon
{
Icon = FontAwesome.Solid.Undo,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Size = new Vector2(8),
}
});
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Action += () =>
{
if (current?.Disabled == false)
current.SetDefault();
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};
}
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protected override void LoadComplete()
{
base.LoadComplete();
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updateState();
FinishTransforms(true);
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}
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public override LocalisableString TooltipText => CommonStrings.RevertToDefault.ToLower();
protected override bool OnHover(HoverEvent e)
{
UpdateState();
return false;
}
protected override void OnHoverLost(HoverLostEvent e)
{
UpdateState();
}
public void UpdateState() => Scheduler.AddOnce(updateState);
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private const double fade_duration = 200;
private void updateState()
{
if (current == null)
return;
Enabled.Value = !current.Disabled;
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this.FadeTo(current.Disabled ? 0.2f : (current.IsDefault ? 0 : 1), fade_duration, Easing.OutQuint);
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if (IsHovered && Enabled.Value)
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{
icon.RotateTo(-40, 500, Easing.OutQuint);
icon.FadeColour(colourProvider?.Light1 ?? colours.YellowLight, 300, Easing.OutQuint);
circle.FadeColour(colourProvider?.Background2 ?? colours.Gray6, 300, Easing.OutQuint);
this.ScaleTo(1.2f, 300, Easing.OutQuint);
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}
else
{
icon.RotateTo(0, 100, Easing.OutQuint);
icon.FadeColour(colourProvider?.Colour0 ?? colours.Yellow, 100, Easing.OutQuint);
circle.FadeColour(colourProvider?.Background3 ?? colours.Gray3, 100, Easing.OutQuint);
this.ScaleTo(1f, 100, Easing.OutQuint);
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}
}
}
}