Got the legacy editors working and iframe implementation almost done!

src/Umbraco.Web/Trees/LegacyTreeJavascript.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Umbraco.Core;
+using Umbraco.Core.Logging;
+using umbraco.cms.presentation.Trees;
+
+namespace Umbraco.Web.Trees
+{
+    /// <summary>
+    /// A class used to render the legacy JS requirements for trees and IActions.
+    /// </summary>
+    internal static class LegacyTreeJavascript
+    {
+        /// <summary>
+        /// If any legacy tree requires any JS rendering then we will compile a JS output of the combination.
+        /// </summary>
+        /// <returns></returns>
+        public static string GetLegacyTreeJavascript()
+        {
+            //find all tree defs that exists for the current application regardless of if they are active
+            List<TreeDefinition> appTreeDefs = TreeDefinitionCollection.Instance;
+            //Create the BaseTree's based on the tree definitions found
+            var legacyTrees = appTreeDefs.Select(treeDef => treeDef.CreateInstance()).ToList();
+            var javascript = new StringBuilder();
+            foreach (var bTree in legacyTrees)
+            {
+                bTree.RenderJS(ref javascript);
+            }
+            return javascript.ToString();
+        }
+
+        /// <summary>
+        /// Returns a string with javascript proxy methods for IActions that are using old javascript
+        /// </summary>
+        /// <returns></returns>
+        public static string GetLegacyIActionJavascript()
+        {
+            var js = new StringBuilder();
+            foreach (var a in ActionsResolver.Current.Actions.ToList())
+            {
+                // NH: Added a try/catch block to this as an error in a 3rd party action can crash the whole menu initialization
+                try
+                {
+                    if (string.IsNullOrEmpty(a.Alias) == false && (string.IsNullOrEmpty(a.JsFunctionName) == false || string.IsNullOrEmpty(a.JsSource) == false))
+                    {
+                        // if the action is using invalid javascript we need to do something about this
+                        if (global::umbraco.BusinessLogic.Actions.Action.ValidateActionJs(a) == false)
+                        {
+                            js.AppendLine("function IActionProxy_" + a.Alias.ToSafeAlias() + "() {");
+                            js.AppendLine(global::umbraco.BusinessLogic.Actions.Action.ConvertLegacyJs(a.JsFunctionName));
+                            js.AppendLine("}");
+                        }
+                    }
+                }
+                catch (Exception ee)
+                {
+                    LogHelper.Error(typeof(LegacyTreeJavascript), "Error initializing tree action", ee);
+                }
+            }
+
+            if (js.Length != 0)
+            {
+                js.Insert(0, "// This javascript is autogenerated by Umbraco to ensure legacy compatiblity with old context menu items\n\n");
+            }
+
+            return js.ToString();
+        }
+    }
+}