UI Toolkit Button class that can be disabled via style sheet or uxml inline property

.ButtonThatCanBeDisabled.cs.md

Button class that can be disabled via style sheet or uxml inline property

ButtonThatCanBeDisabled.cs

// web* src: https://gist.github.com/andrew-raphael-lukasik/69c7858e39e22f197ca51b318b218cc7
using UnityEngine.UIElements;

[UnityEngine.Scripting.Preserve]
public class ButtonThatCanBeDisabled : Button
{
	public bool enabled {
		get => enabledSelf;
		set => SetEnabled(value);
	}
	public new class UxmlFactory : UxmlFactory<ButtonThatCanBeDisabled,UxmlTraits> {}
	public new class UxmlTraits : Button.UxmlTraits
	{
		UxmlBoolAttributeDescription enabledAttr = new UxmlBoolAttributeDescription{ name="enabled" , defaultValue=true };
		public override void Init ( VisualElement ve , IUxmlAttributes attributes , CreationContext context )
		{
			base.Init( ve , attributes , context );
			ButtonThatCanBeDisabled instance = (ButtonThatCanBeDisabled) ve;
			instance.enabled = enabledAttr.GetValueFromBag( attributes , context );
		}
	}
}