Add LightFamily support

source/RevitLookup/Core/ComponentModel/DescriptorMap.cs

@@ -25,6 +25,7 @@
 using Autodesk.Revit.DB.Electrical;
 using Autodesk.Revit.DB.ExtensibleStorage;
 using Autodesk.Revit.DB.ExternalService;
+using Autodesk.Revit.DB.Lighting;
 using Autodesk.Revit.DB.Mechanical;
 using Autodesk.Revit.DB.Plumbing;
 using Autodesk.Revit.DB.Visual;
@@ -127,6 +128,7 @@ public static Descriptor FindDescriptor(object obj, Type type)
             FailureMessage value when type is null || type == typeof(FailureMessage) => new FailureMessageDescriptor(value),
             UpdaterInfo value when type is null || type == typeof(UpdaterInfo) => new UpdaterInfoDescriptor(value),
             ExternalService value when type is null || type == typeof(ExternalService) => new ExternalServiceDescriptor(value),
+            LightFamily value when type is null || type == typeof(LightFamily) => new LightFamilyDescriptor(value),
             RevitApplication value when type is null || type == typeof(RevitApplication) => new ApplicationDescriptor(value),
             UIApplication when type is null || type == typeof(UIApplication) => new UiApplicationDescriptor(),
             PerformanceAdviser value when type is null || type == typeof(PerformanceAdviser) => new PerformanceAdviserDescriptor(value),

source/RevitLookup/Core/ComponentModel/Descriptors/DocumentDescriptor.cs

@@ -20,11 +20,11 @@
 
 using System.Reflection;
 using Autodesk.Revit.DB.Lighting;
+using RevitLookup.Core.Contracts;
+using RevitLookup.Core.Objects;
 #if REVIT2023_OR_GREATER
 using Autodesk.Revit.DB.Structure;
 #endif
-using RevitLookup.Core.Contracts;
-using RevitLookup.Core.Objects;
 
 namespace RevitLookup.Core.ComponentModel.Descriptors;
 
@@ -87,13 +87,14 @@
         manager.Register(nameof(AnalyticalToPhysicalAssociationManager.GetAnalyticalToPhysicalAssociationManager),
             AnalyticalToPhysicalAssociationManager.GetAnalyticalToPhysicalAssociationManager);
 #endif
         if (_document.IsFamilyDocument)
         {
             manager.Register(nameof(FamilySizeTableManager.GetFamilySizeTableManager), context =>
             {
                 var familyTableId = new ElementId(BuiltInParameter.RBS_LOOKUP_TABLE_NAME);
                 return FamilySizeTableManager.GetFamilySizeTableManager(context, familyTableId);
             });
+            manager.Register(nameof(LightFamily.GetLightFamily), LightFamily.GetLightFamily);
         }
 
         // Disabled: slow performance.

source/RevitLookup/Core/ComponentModel/Descriptors/LightFamilyDescriptor.cs

@@ -0,0 +1,64 @@
+// Copyright 2003-2024 by Autodesk, Inc.
+// 
+// Permission to use, copy, modify, and distribute this software in
+// object code form for any purpose and without fee is hereby granted,
+// provided that the above copyright notice appears in all copies and
+// that both that copyright notice and the limited warranty and
+// restricted rights notice below appear in all supporting
+// documentation.
+// 
+// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
+// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
+// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  AUTODESK, INC.
+// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
+// UNINTERRUPTED OR ERROR FREE.
+// 
+// Use, duplication, or disclosure by the U.S. Government is subject to
+// restrictions set forth in FAR 52.227-19 (Commercial Computer
+// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
+// (Rights in Technical Data and Computer Software), as applicable.
+
+using System.Reflection;
+using Autodesk.Revit.DB.Lighting;
+using RevitLookup.Core.Contracts;
+using RevitLookup.Core.Objects;
+
+namespace RevitLookup.Core.ComponentModel.Descriptors;
+
+public class LightFamilyDescriptor (LightFamily lightFamily) : Descriptor, IDescriptorResolver
+{
+    public Func<IVariants> Resolve(Document context, string target, ParameterInfo[] parameters)
+    {
+        return target switch
+        {
+            nameof(LightFamily.GetLightTypeName) => ResolveLightTypeName,
+            nameof(LightFamily.GetLightType) => ResolveLightType,
+            _ => null
+        };
+
+        IVariants ResolveLightTypeName()
+        {
+            var capacity = lightFamily.GetNumberOfLightTypes();
+            var variants = new Variants<string>(capacity);
+            for (var i = 0; i < capacity; i++)
+            {
+                var name = lightFamily.GetLightTypeName(i);
+                variants.Add(name);
+            }
+
+            return variants;
+        }
+        IVariants ResolveLightType()
+        {
+            var capacity = lightFamily.GetNumberOfLightTypes();
+            var variants = new Variants<LightType>(capacity);
+            for (var i = 0; i < capacity; i++)
+            {
+                var type = lightFamily.GetLightType(i);
+                variants.Add(type, $"Index {i}");
+            }
+
+            return variants;
+        }
+    }
+}