From dca21f9ce18da268adacfba83652a2c702ac75ff Mon Sep 17 00:00:00 2001
From: "agrath@gmail.com" <unknown@kiln.example.com>
Date: Wed, 26 Jan 2011 08:28:16 -1300
Subject: [PATCH] Added support for Macro Parameters in Razor Macros
 (@Model.Parameters.AnimalName) where AnimalName is defined on the Macro as a
 Parameter

---
 .../DynamicDictionary.cs                      | 34 +++++++++++++++++++
 umbraco.MacroEngines.Juno/DynamicNode.cs      | 19 +++++++++--
 umbraco.MacroEngines.Juno/RazorEngine.cs      | 19 ++++++++---
 .../umbraco.MacroEngines.csproj               |  1 +
 4 files changed, 67 insertions(+), 6 deletions(-)
 create mode 100644 umbraco.MacroEngines.Juno/DynamicDictionary.cs

diff --git a/umbraco.MacroEngines.Juno/DynamicDictionary.cs b/umbraco.MacroEngines.Juno/DynamicDictionary.cs
new file mode 100644
index 0000000000..ad16edf8b5
--- /dev/null
+++ b/umbraco.MacroEngines.Juno/DynamicDictionary.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Dynamic;
+
+namespace umbraco.MacroEngines
+{
+    public class DynamicDictionary : DynamicObject
+    {
+        Dictionary<string, object> _dictionary;
+        public DynamicDictionary(Dictionary<string, object> sourceItems)
+        {
+            _dictionary = sourceItems;
+        }
+        public override bool TrySetMember(SetMemberBinder binder, object value)
+        {
+            _dictionary[binder.Name] = value;
+            return true;
+        }
+        public override bool TryGetMember(GetMemberBinder binder, out object result)
+        {
+            if (_dictionary != null)
+            {
+                if (_dictionary.TryGetValue(binder.Name.ToLower(), out result))
+                {
+                    return true;
+                }
+            }
+            result = null;
+            return true;
+        }
+    }
+}
diff --git a/umbraco.MacroEngines.Juno/DynamicNode.cs b/umbraco.MacroEngines.Juno/DynamicNode.cs
index 1ffe57d000..14c7cd265b 100644
--- a/umbraco.MacroEngines.Juno/DynamicNode.cs
+++ b/umbraco.MacroEngines.Juno/DynamicNode.cs
@@ -10,6 +10,8 @@ namespace umbraco.MacroEngines
 {
     public class DynamicNode : DynamicObject, IEnumerable
     {
+        private DynamicDictionary _properties;
+
         private readonly INode n;
         public DynamicNode(INode n)
         {
@@ -22,7 +24,10 @@ namespace umbraco.MacroEngines
         {
             //Empty constructor for a special case with Generic Methods
         }
-
+        public void InitializeProperties(Dictionary<string, object> dict)
+        {
+            _properties = new DynamicDictionary(dict);
+        }
         IEnumerable<INode> _children;
         public DynamicNode(IEnumerable<INode> children)
         {
@@ -373,6 +378,16 @@ namespace umbraco.MacroEngines
             return n.ChildrenAsTable(nodeTypeAliasFilter);
         }
 
-
+        public DynamicDictionary Parameters
+        {
+            get
+            {
+                return _properties;
+            }
+            set
+            {
+                _properties = value;
+            }
+        }
     }
 }
diff --git a/umbraco.MacroEngines.Juno/RazorEngine.cs b/umbraco.MacroEngines.Juno/RazorEngine.cs
index 0c9341fb51..ae8df43d6c 100644
--- a/umbraco.MacroEngines.Juno/RazorEngine.cs
+++ b/umbraco.MacroEngines.Juno/RazorEngine.cs
@@ -40,7 +40,7 @@ namespace umbraco.MacroEngines
             try
             {
                 string parsedResult;
-                if (!GetResult(null, code, currentPage, out parsedResult))
+                if (!GetResult(null, code, currentPage, null, out parsedResult))
                 {
                     errorMessage = parsedResult;
                     return false;
@@ -68,7 +68,7 @@ namespace umbraco.MacroEngines
                                   ? macro.ScriptCode
                                   : loadScript(IOHelper.MapPath(SystemDirectories.Python + "/" + macro.ScriptName));
             string parsedResult;
-            GetResult(macro.CacheIdentifier, template, currentPage, out parsedResult);
+            GetResult(macro.CacheIdentifier, template, currentPage, macro, out parsedResult);
 
             // if it's a file we'll monitor changes to ensure that any updates to the file clears the cache
             if (String.IsNullOrEmpty(macro.ScriptCode))
@@ -90,12 +90,23 @@ namespace umbraco.MacroEngines
             Razor.SetTemplateBaseType(typeof(UmbracoTemplateBase<>));
         }
 
-        private bool GetResult(string cacheIdentifier, string template, INode currentPage, out string result)
+        private bool GetResult(string cacheIdentifier, string template, INode currentPage, MacroModel macroModel, out string result)
         {
             try
             {
                 Razor.SetTemplateBaseType(typeof(UmbracoTemplateBase<>));
-                result = Razor.Parse(template, new DynamicNode(currentPage), cacheIdentifier);
+                DynamicNode Model = new DynamicNode(currentPage);
+                if (macroModel != null)
+                {
+                    Dictionary<string, object> Properties = new Dictionary<string, object>();
+                    macroModel.Properties.ForEach(prop => Properties.Add(prop.Key, prop.Value));
+                    Model.InitializeProperties(Properties);
+                }
+                else
+                {
+                    Model.InitializeProperties(new Dictionary<string, object>());
+                }
+                result = Razor.Parse(template, Model, cacheIdentifier);
                 return true;
             }
             catch (TemplateException ee)
diff --git a/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj b/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj
index dd3454dd8c..24b354bdea 100644
--- a/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj
+++ b/umbraco.MacroEngines.Juno/umbraco.MacroEngines.csproj
@@ -62,6 +62,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="DLRScriptingEngine.cs" />
+    <Compile Include="DynamicDictionary.cs" />
     <Compile Include="DynamicNode.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="RazorEngine.cs" />