mirror of
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151 lines
5.5 KiB
C#
151 lines
5.5 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;
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using System.Globalization;
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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.Input.Events;
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using osu.Framework.Localisation;
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using osu.Game.Graphics.UserInterfaceV2;
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using osu.Game.Overlays.Settings;
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using osu.Game.Utils;
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using osuTK;
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namespace osu.Game.Screens.Edit.Timing
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{
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/// <summary>
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/// Analogous to <see cref="SliderWithTextBoxInput{T}"/>, but supports scenarios
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/// where multiple objects with multiple different property values are selected
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/// by providing an "indeterminate state".
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/// </summary>
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public partial class IndeterminateSliderWithTextBoxInput<T> : CompositeDrawable, IHasCurrentValue<T?>
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where T : struct, IEquatable<T>, IComparable<T>, IConvertible
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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 CompositeDrawable TabbableContentContainer
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{
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set => textBox.TabbableContentContainer = value;
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}
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private readonly BindableWithCurrent<T?> current = new BindableWithCurrent<T?>();
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public Bindable<T?> Current
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{
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get => current.Current;
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set => current.Current = value;
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}
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private readonly SettingsSlider<T> slider;
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private readonly LabelledTextBox textBox;
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/// <summary>
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/// Creates an <see cref="IndeterminateSliderWithTextBoxInput{T}"/>.
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/// </summary>
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/// <param name="labelText">The label text for the slider and text box.</param>
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/// <param name="indeterminateValue">
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/// Bindable to use for the slider until a non-null value is set for <see cref="Current"/>.
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/// In particular, it can be used to control min/max bounds and precision in the case of <see cref="BindableNumber{T}"/>s.
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/// </param>
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public IndeterminateSliderWithTextBoxInput(LocalisableString labelText, Bindable<T> indeterminateValue)
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{
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RelativeSizeAxes = Axes.X;
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AutoSizeAxes = Axes.Y;
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InternalChildren = new Drawable[]
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{
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new FillFlowContainer
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Direction = FillDirection.Vertical,
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Spacing = new Vector2(0, 5),
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Children = new Drawable[]
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{
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textBox = new LabelledTextBox
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{
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Label = labelText,
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},
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slider = new SettingsSlider<T>
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{
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TransferValueOnCommit = true,
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RelativeSizeAxes = Axes.X,
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Current = indeterminateValue
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}
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}
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},
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};
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textBox.OnCommit += (t, isNew) =>
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{
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if (!isNew) return;
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try
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{
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switch (slider.Current)
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{
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case Bindable<int> bindableInt:
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bindableInt.Value = int.Parse(t.Text);
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break;
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case Bindable<double> bindableDouble:
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bindableDouble.Value = double.Parse(t.Text);
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break;
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default:
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slider.Current.Parse(t.Text);
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break;
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}
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}
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catch
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{
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// TriggerChange below will restore the previous text value on failure.
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}
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// This is run regardless of parsing success as the parsed number may not actually trigger a change
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// due to bindable clamping. Even in such a case we want to update the textbox to a sane visual state.
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Current.TriggerChange();
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};
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slider.Current.BindValueChanged(val => Current.Value = val.NewValue);
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Current.BindValueChanged(_ => updateState(), true);
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}
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public override bool AcceptsFocus => true;
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protected override void OnFocus(FocusEvent e)
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{
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base.OnFocus(e);
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GetContainingInputManager().ChangeFocus(textBox);
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}
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private void updateState()
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{
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if (Current.Value is T nonNullValue)
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{
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slider.Current.Value = nonNullValue;
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// use the value from the slider to ensure that any precision/min/max set on it via the initial indeterminate value have been applied correctly.
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decimal decimalValue = slider.Current.Value.ToDecimal(NumberFormatInfo.InvariantInfo);
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textBox.Text = decimalValue.ToString($@"N{FormatUtils.FindPrecision(decimalValue)}");
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textBox.PlaceholderText = string.Empty;
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}
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else
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{
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textBox.Text = null;
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textBox.PlaceholderText = "(multiple)";
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}
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}
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}
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}
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