public static VisualElement CreateAsStringPopupField <TEnum>(SerializedProperty property, Action <TEnum> onValueChanged = null)
where TEnum : struct, Enum
{
Assert.AreEqual(property.propertyType, SerializedPropertyType.Enum);
#if UNITY_2019_3_OR_NEWER
var enumField = new UnityEditor.UIElements.EnumField
{
bindingPath = property.propertyPath
};
enumField.RegisterValueChangedCallback(e =>
{
if (onValueChanged != null && e.newValue is TEnum newValue)
{
onValueChanged.Invoke(newValue);
}
});
enumField.Bind(property.serializedObject);
return(enumField);
#else
// HACK: `Field type UnityEditor.UIElements.EnumField is not compatible with Enum property "myEnum"` in 2019.2
// ref: https://forum.unity.com/threads/cant-create-bindings-for-an-enum-not-compatible.728111/#post-4873661
var enumField = new PopupField <string>
{
bindingPath = property.propertyPath
};
// HACK: `NullReferenceException: Object reference not set to an instance of an object` in 2019.2
enumField.RegisterValueChangedCallback(_ =>
{
onValueChanged?.Invoke((TEnum)(object)enumField.index);
});
return(enumField);
#endif
}
