From 00141ba8018b884588cede5abd142445d40e4eaa Mon Sep 17 00:00:00 2001
From: "agrath@gmail.com" <unknown@kiln.example.com>
Date: Sun, 19 Jun 2011 08:19:11 -0200
Subject: [PATCH] Added a new feature for plugin developers to create a model
 class that DynamicNode will return for their data type instead of the
 underlying type

---
 .../RazorDynamicNode/DynamicNode.cs           | 31 +++++++++++++++++++
 .../RazorDynamicNode/IRazorDataTypeModel.cs   | 12 +++++++
 .../RazorDynamicNode/RazorDataTypeModel.cs    | 21 +++++++++++++
 .../umbraco.MacroEngines.csproj               |  2 ++
 4 files changed, 66 insertions(+)
 create mode 100644 umbraco.MacroEngines.Juno/RazorDynamicNode/IRazorDataTypeModel.cs
 create mode 100644 umbraco.MacroEngines.Juno/RazorDynamicNode/RazorDataTypeModel.cs

diff --git a/umbraco.MacroEngines.Juno/RazorDynamicNode/DynamicNode.cs b/umbraco.MacroEngines.Juno/RazorDynamicNode/DynamicNode.cs
index ffa2aae42e..0f42b00802 100644
--- a/umbraco.MacroEngines.Juno/RazorDynamicNode/DynamicNode.cs
+++ b/umbraco.MacroEngines.Juno/RazorDynamicNode/DynamicNode.cs
@@ -16,6 +16,7 @@ using System.Xml;
 using System.Xml.Linq;
 using umbraco.cms.businesslogic.media;
 using umbraco.MacroEngines.Library;
+using umbraco.BusinessLogic.Utils;
 
 
 
@@ -363,6 +364,7 @@ namespace umbraco.MacroEngines
             }
             return list;
         }
+        static Dictionary<Guid, Type> RazorDataTypeModelTypes = null;
         public override bool TryGetMember(GetMemberBinder binder, out object result)
         {
 
@@ -393,6 +395,35 @@ namespace umbraco.MacroEngines
 
                     Guid dataType = ContentType.GetDataType(n.NodeTypeAlias, data.Alias);
 
+                    if (RazorDataTypeModelTypes == null)
+                    {
+                        RazorDataTypeModelTypes = new Dictionary<Guid, Type>();
+
+                        TypeFinder.FindClassesMarkedWithAttribute(typeof(RazorDataTypeModel))
+                        .ToList()
+                        .FindAll(type => typeof(IRazorDataTypeModel).IsAssignableFrom(type))
+                        .ConvertAll(type =>
+                        {
+                            RazorDataTypeModel RazorDataTypeModelAttribute = (RazorDataTypeModel)Attribute.GetCustomAttribute(type, typeof(RazorDataTypeModel));
+                            Guid g = RazorDataTypeModelAttribute.DataTypeEditorId;
+                            return new KeyValuePair<Guid, Type>(g, type);
+                        })
+                        .ForEach(item => RazorDataTypeModelTypes.Add(item.Key, item.Value));
+                    }
+                    if (RazorDataTypeModelTypes.ContainsKey(dataType))
+                    {
+                        Type dataTypeType = RazorDataTypeModelTypes[dataType];
+                        IRazorDataTypeModel razorDataTypeModel = Activator.CreateInstance(dataTypeType, false) as IRazorDataTypeModel;
+                        if (razorDataTypeModel != null)
+                        {
+                            if (razorDataTypeModel.Init(n.Id, result))
+                            {
+                                result = razorDataTypeModel;
+                                return true;
+                            }
+                        }
+                    }
+
                     //convert the string value to a known type
                     return ConvertPropertyValueByDataType(ref result, name, dataType);
 
diff --git a/umbraco.MacroEngines.Juno/RazorDynamicNode/IRazorDataTypeModel.cs b/umbraco.MacroEngines.Juno/RazorDynamicNode/IRazorDataTypeModel.cs
new file mode 100644
index 0000000000..6da3df032c
--- /dev/null
+++ b/umbraco.MacroEngines.Juno/RazorDynamicNode/IRazorDataTypeModel.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace umbraco.MacroEngines
+{
+    public interface IRazorDataTypeModel
+    {
+        bool Init(int CurrentNodeId, object PropertyData);
+    }
+}
diff --git a/umbraco.MacroEngines.Juno/RazorDynamicNode/RazorDataTypeModel.cs b/umbraco.MacroEngines.Juno/RazorDynamicNode/RazorDataTypeModel.cs
new file mode 100644
index 0000000000..b5f2e16bf6
--- /dev/null
+++ b/umbraco.MacroEngines.Juno/RazorDynamicNode/RazorDataTypeModel.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace umbraco.MacroEngines
+{
+    [AttributeUsage(AttributeTargets.Class, Inherited = true, AllowMultiple = false)]
+    public sealed class RazorDataTypeModel : Attribute
+    {
+        public readonly Guid DataTypeEditorId;
+
+        public RazorDataTypeModel(string DataTypeEditorId)
+        {
+            this.DataTypeEditorId = new Guid(DataTypeEditorId);
+        }
+
+
+    }
+
+}
diff --git a/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj b/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj
index 89b314a3b2..00224ceb49 100644
--- a/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj
+++ b/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj
@@ -86,7 +86,9 @@
     <Compile Include="RazorDynamicNode\HtmlTagWrapper.cs" />
     <Compile Include="RazorDynamicNode\HtmlTagWrapperBase.cs" />
     <Compile Include="RazorDynamicNode\HtmlTagWrapperTextNode.cs" />
+    <Compile Include="RazorDynamicNode\IRazorDataTypeModel.cs" />
     <Compile Include="RazorDynamicNode\PropertyResult.cs" />
+    <Compile Include="RazorDynamicNode\RazorDataTypeModel.cs" />
     <Compile Include="RazorDynamicNode\RazorLibraryCore.cs" />
     <Compile Include="RazorDynamicNode\DynamicNodeWalker.cs" />
     <Compile Include="RazorDynamicNode\DynamicNull.cs" />