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