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osu-lazer/osu.Game/Graphics/UserInterface/DrawableStatefulMenuItem.cs
2019-11-08 13:23:13 +09:00

73 lines
2.2 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 osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osuTK;
namespace osu.Game.Graphics.UserInterface
{
public class DrawableStatefulMenuItem : DrawableOsuMenuItem
{
protected new StatefulMenuItem Item => (StatefulMenuItem)base.Item;
public DrawableStatefulMenuItem(StatefulMenuItem item)
: base(item)
{
}
protected override TextContainer CreateTextContainer() => new ToggleTextContainer(Item);
private class ToggleTextContainer : TextContainer
{
private readonly StatefulMenuItem menuItem;
private readonly Bindable<object> state;
private readonly SpriteIcon stateIcon;
public ToggleTextContainer(StatefulMenuItem menuItem)
{
this.menuItem = menuItem;
state = menuItem.State.GetBoundCopy();
Add(stateIcon = new SpriteIcon
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Size = new Vector2(10),
Margin = new MarginPadding { Horizontal = MARGIN_HORIZONTAL },
AlwaysPresent = true,
});
}
protected override void LoadComplete()
{
base.LoadComplete();
state.BindValueChanged(updateState, true);
}
protected override void Update()
{
base.Update();
// Todo: This is bad. This can maybe be done better with a refactor of DrawableOsuMenuItem.
stateIcon.X = BoldText.DrawWidth + 10;
}
private void updateState(ValueChangedEvent<object> state)
{
var icon = menuItem.GetIconForState(state.NewValue);
if (icon == null)
stateIcon.Alpha = 0;
else
{
stateIcon.Alpha = 1;
stateIcon.Icon = icon.Value;
}
}
}
}
}