/// <summary>
/// Creates a new instance of a <see cref="PropertyDrawer{TValue, TAttribute}"/> that can act as a property drawer
/// for a given field.
/// </summary>
/// <param name="constraints">Constraints that filter the candidate property drawer types.</param>
/// <typeparam name="TValue">The type of the value</typeparam>
/// <typeparam name="TAttribute">The attribute type the value was tagged with</typeparam>
/// <returns>The property drawer instance or null</returns>
public static PropertyDrawer <TValue, TAttribute> GetPropertyDrawer <TValue, TAttribute>(
params IInspectorConstraint[] constraints)
where TAttribute : UnityEngine.PropertyAttribute
{
return((PropertyDrawer <TValue, TAttribute>)GetInspector <TValue>(
InspectorConstraint.Combine(InspectorConstraint.AssignableTo <IPropertyDrawer <TAttribute> >(),
constraints)));
}
/// <summary>
/// Creates a new instance of a <see cref="PropertyInspector{TValue,TAttribute}"/> that can act as a property drawer
/// for a given field.
/// </summary>
/// <param name="property"></param>
/// <param name="constraints">Constraints that filter the candidate property drawer types.</param>
/// <typeparam name="TValue">The type of the value</typeparam>
/// <returns>The property drawer instance or null</returns>
static IInspector <TValue> GetAttributeInspector <TValue>(IProperty property, params IInspectorConstraint[] constraints)
{
foreach (var attribute in property.GetAttributes <UnityEngine.PropertyAttribute>() ??
Array.Empty <UnityEngine.PropertyAttribute>())
{
var drawer = typeof(IPropertyDrawer <>).MakeGenericType(attribute.GetType());
var inspector = GetInspectorWithConstraints <TValue>(InspectorConstraint.Combine(InspectorConstraint.AssignableTo(drawer), constraints));
if (null != inspector)
{
return(inspector);
}
}
return(null);
}
internal static IInspector <TValue> GetBestInspectorType <TValue>(IProperty property)
{
var inspector = default(IInspector <TValue>);
foreach (var drawerAttribute in property.GetAttributes <UnityEngine.PropertyAttribute>() ?? Array.Empty <UnityEngine.PropertyAttribute>())
{
var drawer = typeof(IPropertyDrawer <>).MakeGenericType(drawerAttribute.GetType());
inspector = GetPropertyDrawer <TValue>(InspectorConstraint.AssignableTo(drawer));
if (null != inspector)
{
break;
}
}
return(inspector ?? GetRootInspector <TValue>());
}
internal static IInspector <TValue> GetPropertyDrawer <TValue>(IEnumerable <Attribute> attributes)
{
foreach (var drawerAttribute in attributes)
{
if (!(drawerAttribute is PropertyAttribute))
{
continue;
}
var drawer = typeof(IPropertyDrawer <>).MakeGenericType(drawerAttribute.GetType());
var inspector = GetPropertyDrawer <TValue>(InspectorConstraint.AssignableTo(drawer));
if (null != inspector)
{
return(inspector);
}
}
return(null);
}
/// <summary>
/// Creates a new instance of a <see cref="PropertyInspector{TValue,TAttribute}"/> that can act as a property drawer
/// for a given field.
/// </summary>
/// <param name="constraints">Constraints that filter the candidate property drawer types.</param>
/// <typeparam name="TValue">The type of the value</typeparam>
/// <typeparam name="TAttribute">The attribute type the value was tagged with</typeparam>
/// <returns>The property drawer instance or null</returns>
static PropertyInspector <TValue> GetPropertyInspector <TValue>(params IInspectorConstraint[] constraints)
{
return((PropertyInspector <TValue>)GetInspectorWithConstraints <TValue>(InspectorConstraint.Combine(InspectorConstraint.AssignableTo <IPropertyDrawer>(), constraints)));
}
/// <summary>
/// Creates a new instance of a <see cref="Inspector{TValue}"/> that can act as a root inspector.
/// </summary>
/// <param name="constraints">Constraints that filter the candidate inspector types.</param>
/// <typeparam name="TValue">The type of the value</typeparam>
/// <returns>The inspector instance or null</returns>
static IInspector <TValue> GetInspector <TValue>(params IInspectorConstraint[] constraints)
{
return(GetInspectorWithConstraints <TValue>(InspectorConstraint.Combine(InspectorConstraint.AssignableTo <IRootInspector>(), constraints)));
}
/// <summary>
/// Creates a new instance of a <see cref="IInspector{TValue}"/> that can act as a root inspector.
/// </summary>
/// <param name="constraints">Constraints that filter the candidate inspector types.</param>
/// <typeparam name="TValue">The type of the value</typeparam>
/// <returns>The inspector instance or null</returns>
public static Inspector <TValue> GetRootInspector <TValue>(params IInspectorConstraint[] constraints)
{
return(GetInspector <TValue>(
InspectorConstraint.Combine(InspectorConstraint.Not.AssignableTo <IPropertyDrawer>(), constraints)));
}
