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osu-lazer/osu.Game/Graphics/UserInterface/ExpandableSlider.cs
2024-06-19 20:59:14 +02:00

141 lines
4.2 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 System.Numerics;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Localisation;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using Vector2 = osuTK.Vector2;
namespace osu.Game.Graphics.UserInterface
{
/// <summary>
/// An <see cref="IExpandable"/> implementation for the UI slider bar control.
/// </summary>
public partial class ExpandableSlider<T, TSlider> : CompositeDrawable, IExpandable, IHasCurrentValue<T>
where T : struct, INumber<T>, IMinMaxValue<T>
where TSlider : RoundedSliderBar<T>, new()
{
private readonly OsuSpriteText label;
private readonly TSlider slider;
private LocalisableString contractedLabelText;
/// <summary>
/// The label text to display when this slider is in a contracted state.
/// </summary>
public LocalisableString ContractedLabelText
{
get => contractedLabelText;
set
{
if (value == contractedLabelText)
return;
contractedLabelText = value;
if (!Expanded.Value)
label.Text = value;
}
}
private LocalisableString expandedLabelText;
/// <summary>
/// The label text to display when this slider is in an expanded state.
/// </summary>
public LocalisableString ExpandedLabelText
{
get => expandedLabelText;
set
{
if (value == expandedLabelText)
return;
expandedLabelText = value;
if (Expanded.Value)
label.Text = value;
}
}
public Bindable<T> Current
{
get => slider.Current;
set => slider.Current = value;
}
/// <summary>
/// A custom step value for each key press which actuates a change on this control.
/// </summary>
public float KeyboardStep
{
get => slider.KeyboardStep;
set => slider.KeyboardStep = value;
}
public BindableBool Expanded { get; } = new BindableBool();
public override bool HandlePositionalInput => true;
public ExpandableSlider()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
InternalChild = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Spacing = new Vector2(0f, 10f),
Children = new Drawable[]
{
label = new OsuSpriteText(),
slider = new TSlider
{
RelativeSizeAxes = Axes.X,
},
}
};
}
[Resolved]
private IExpandingContainer? expandingContainer { get; set; }
protected override void LoadComplete()
{
base.LoadComplete();
expandingContainer?.Expanded.BindValueChanged(containerExpanded =>
{
Expanded.Value = containerExpanded.NewValue;
}, true);
Expanded.BindValueChanged(v =>
{
label.Text = v.NewValue ? expandedLabelText : contractedLabelText;
slider.FadeTo(v.NewValue ? Current.Disabled ? 0.3f : 1f : 0f, 500, Easing.OutQuint);
slider.BypassAutoSizeAxes = !v.NewValue ? Axes.Y : Axes.None;
}, true);
Current.BindDisabledChanged(disabled =>
{
slider.Alpha = Expanded.Value ? disabled ? 0.3f : 1 : 0f;
});
}
}
/// <summary>
/// An <see cref="IExpandable"/> implementation for the UI slider bar control.
/// </summary>
public partial class ExpandableSlider<T> : ExpandableSlider<T, RoundedSliderBar<T>>
where T : struct, INumber<T>, IMinMaxValue<T>
{
}
}