mirror of https://github.com/ppy/osu
80 lines
3.1 KiB
C#
80 lines
3.1 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 osu.Framework.Graphics.Sprites;
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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="OsuMenuItem"/> with three possible states.
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/// </summary>
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public class TernaryStateMenuItem : StatefulMenuItem<TernaryState>
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{
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/// <summary>
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/// Creates a new <see cref="TernaryStateMenuItem"/>.
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/// </summary>
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/// <param name="text">The text to display.</param>
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/// <param name="type">The type of action which this <see cref="TernaryStateMenuItem"/> performs.</param>
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public TernaryStateMenuItem(string text, MenuItemType type = MenuItemType.Standard)
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: this(text, type, null)
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{
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}
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/// <summary>
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/// Creates a new <see cref="TernaryStateMenuItem"/>.
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/// </summary>
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/// <param name="text">The text to display.</param>
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/// <param name="type">The type of action which this <see cref="TernaryStateMenuItem"/> performs.</param>
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/// <param name="action">A delegate to be invoked when this <see cref="TernaryStateMenuItem"/> is pressed.</param>
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public TernaryStateMenuItem(string text, MenuItemType type, Action<TernaryState> action)
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: this(text, getNextState, type, action)
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{
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}
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/// <summary>
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/// Creates a new <see cref="TernaryStateMenuItem"/>.
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/// </summary>
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/// <param name="text">The text to display.</param>
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/// <param name="changeStateFunc">A function that mutates a state to another state after this <see cref="TernaryStateMenuItem"/> is pressed.</param>
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/// <param name="type">The type of action which this <see cref="TernaryStateMenuItem"/> performs.</param>
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/// <param name="action">A delegate to be invoked when this <see cref="TernaryStateMenuItem"/> is pressed.</param>
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protected TernaryStateMenuItem(string text, Func<TernaryState, TernaryState> changeStateFunc, MenuItemType type, Action<TernaryState> action)
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: base(text, changeStateFunc, type, action)
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{
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}
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public override IconUsage? GetIconForState(TernaryState state)
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{
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switch (state)
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{
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case TernaryState.Indeterminate:
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return FontAwesome.Solid.DotCircle;
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case TernaryState.True:
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return FontAwesome.Solid.Check;
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}
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return null;
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}
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private static TernaryState getNextState(TernaryState state)
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{
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switch (state)
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{
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case TernaryState.False:
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return TernaryState.True;
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case TernaryState.Indeterminate:
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return TernaryState.True;
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case TernaryState.True:
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return TernaryState.False;
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default:
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throw new ArgumentOutOfRangeException(nameof(state), state, null);
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}
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}
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}
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}
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