feature: update expression browser and add plugin expression extensions

2025-01-16 12:36:01 +11:00
parent 963970feeb
commit a3e1e1d030
23 changed files with 652 additions and 555 deletions
@@ -191,7 +191,7 @@
    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateBulkGenerate.cs" />
    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateCreatePackageModel.cs" />
    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateCreateModel.cs" />
-    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateExpressionBrowserModel.cs" />
+    <Compile Include="UI\Config\Expressions\ConfigExpressionsBrowserModel.cs" />
    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateImportStatusModel.cs" />
    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateIndexModel.cs" />
    <Compile Include="UI\Config\DocumentTemplate\ConfigDocumentTemplateShowPackageModel.cs" />
@@ -1,8 +1,8 @@
 using System.Collections.Generic;

-namespace Disco.Models.UI.Config.DocumentTemplate
+namespace Disco.Models.UI.Config.Expressions
 {
-    public interface ConfigDocumentTemplateExpressionBrowserModel : BaseUIModel
+    public interface ConfigExpressionsBrowserModel : BaseUIModel
    {
        string DeviceType { get; set; }
        string UserType { get; set; }
@@ -10,5 +10,6 @@ namespace Disco.Models.UI.Config.DocumentTemplate

        Dictionary<string, string> Variables { get; set; }
        Dictionary<string, string> ExtensionLibraries { get; set; }
+        Dictionary<string, string> PluginExtensionLibraries { get; set; }
    }
 }
@@ -531,6 +531,8 @@
    <Compile Include="Plugins\Features\DetailsProvider\DetailsProviderService.cs" />
    <Compile Include="Plugins\Features\DetailsProvider\UserContactFeature.cs" />
    <Compile Include="Plugins\Features\DocumentHandlerProvider\DocumentHandlerProviderFeature.cs" />
+    <Compile Include="Plugins\Features\ExpressionExtensionProvider\ExpressionExtensionProviderFeature.cs" />
+    <Compile Include="Plugins\Features\ExpressionExtensionProvider\ExpressionExtensionRegistration.cs" />
    <Compile Include="Plugins\Features\InsuranceProvider\InsuranceProviderFeature.cs" />
    <Compile Include="Plugins\Features\InsuranceProvider\InsuranceProviderSubmitJobException.cs" />
    <Compile Include="Plugins\Features\RepairProvider\RepairProvider2Feature.cs" />
@@ -5,9 +5,9 @@ namespace Disco.Services.Expressions
 {
    public class EvaluateExpressionPart : IExpressionPart
    {
-        private Spring.Expressions.IExpression _Expression;
-        private RecognitionException _ExpressionParseException;
-        private EvaluateExpressionParseException _EvaluateParseException;
+        private Spring.Expressions.IExpression expression;
+        private RecognitionException expressionParseException;
+        private EvaluateExpressionParseException evaluateParseException;

        public string RawSource { get; set; }
        public string Source { get; set; }
@@ -18,18 +18,18 @@ namespace Disco.Services.Expressions
        {
            get
            {
-                if (_ExpressionParseException == null)
+                if (expressionParseException == null)
                    return null;
                else
-                    if (_EvaluateParseException == null)
-                        _EvaluateParseException = EvaluateExpressionParseException.FromRecognitionException(_ExpressionParseException, Source);
-                return _EvaluateParseException;
+                    if (evaluateParseException == null)
+                        evaluateParseException = EvaluateExpressionParseException.FromRecognitionException(expressionParseException, Source);
+                return evaluateParseException;
            }
        }

        public bool ParseError
        {
-            get { return (_ExpressionParseException != null); }
+            get { return (expressionParseException != null); }
        }
        public string ParseErrorMessage
        {
@@ -61,21 +61,21 @@ namespace Disco.Services.Expressions
            }
            try
            {
-                _Expression = Spring.Expressions.Expression.Parse(this.Source);
+                expression = Spring.Expressions.Expression.Parse(this.Source);

            }
            catch (RecognitionException ex)
            {
-                _ExpressionParseException = ex;
+                expressionParseException = ex;
            }
        }
        object IExpressionPart.Evaluate(object ExpressionContext, IDictionary Variables)
        {
-            if (_ExpressionParseException == null)
+            if (expressionParseException == null)
            {
-                return _Expression.GetValue(ExpressionContext, Variables);
+                return expression.GetValue(ExpressionContext, Variables);
            }
-            throw _ExpressionParseException;
+            throw expressionParseException;
        }

    }
@@ -73,11 +73,6 @@ namespace Disco.Services.Expressions
            return result;
        }

-        internal static IExpression Parse(string source)
-        {
-            throw new NotImplementedException();
-        }
-
        public Tuple<string, bool, object> Evaluate(object ExpressionContext, IDictionary Variables)
        {
            if (Count == 0)
@@ -11,7 +11,7 @@ namespace Disco.Services.Expressions
        public string Name { get; set; }
        public List<ExpressionTypeMemberDescriptor> Members { get; set; }

-        public static ExpressionTypeDescriptor Build(Type t, bool StaticDeclaredMembersOnly = true)
+        public static ExpressionTypeDescriptor Build(Type t, bool staticMembersOnly = true)
        {
            ExpressionTypeDescriptor i = new ExpressionTypeDescriptor
            {
@@ -21,7 +21,7 @@ namespace Disco.Services.Expressions
            i.Members = new List<ExpressionTypeMemberDescriptor>();

            MemberInfo[] members;
-            if (StaticDeclaredMembersOnly)
+            if (staticMembersOnly)
                members = t.GetMembers(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly);
            else
                members = t.GetMembers(BindingFlags.Public | BindingFlags.Instance);
@@ -46,10 +46,7 @@ namespace Disco.Services.Expressions
                    }
                }
            }
-            i.Members = (
-                from mi in i.Members
-                orderby mi.Name
-                select mi).ToList();
+            i.Members = i.Members.OrderBy(m => m.Name).ToList();
            return i;
        }
    }
@@ -0,0 +1,40 @@
+using Spring.Core.TypeResolution;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+
+namespace Disco.Services.Plugins.Features.ExpressionExtensionProvider
+{
+    [PluginFeatureCategory(DisplayName = "Expression Extension")]
+    public abstract class ExpressionExtensionProviderFeature : PluginFeature
+    {
+        private static readonly Dictionary<string, ExpressionExtensionRegistration> registrations = new Dictionary<string, ExpressionExtensionRegistration>(StringComparer.OrdinalIgnoreCase);
+        private static readonly Dictionary<string, Assembly> pluginAssemblies = new Dictionary<string, Assembly>(StringComparer.OrdinalIgnoreCase);
+
+        public void RegisterExpressionExtension(string alias, Type extensionType)
+        {
+            if (!extensionType.IsClass || !extensionType.IsAbstract || !extensionType.IsSealed)
+                throw new ArgumentException("Expression Extension Types must be a static class", nameof(extensionType));
+
+            lock (registrations)
+            {
+                registrations.Add(alias, new ExpressionExtensionRegistration(Manifest, alias, extensionType));
+                var assemblyName = extensionType.Assembly.FullName.Substring(0, extensionType.Assembly.FullName.IndexOf(','));
+                pluginAssemblies[assemblyName] = extensionType.Assembly;
+                TypeRegistry.RegisterType(alias, extensionType);
+            }
+        }
+
+        public static List<ExpressionExtensionRegistration> GetExpressionExtensionRegistrations()
+        {
+            lock (registrations)
+            {
+                return registrations.Values.ToList();
+            }
+        }
+
+        public static bool TryGetExtensionAssembly(string assemblyName, out Assembly assembly)
+            => pluginAssemblies.TryGetValue(assemblyName, out assembly);
+    }
+}
@@ -0,0 +1,18 @@
+using System;
+
+namespace Disco.Services.Plugins.Features.ExpressionExtensionProvider
+{
+    public class ExpressionExtensionRegistration
+    {
+        public PluginFeatureManifest FeatureManifest { get; }
+        public string Alias { get; }
+        public Type ExtensionType { get; }
+
+        public ExpressionExtensionRegistration(PluginFeatureManifest featureManifest, string alias, Type extensionType)
+        {
+            FeatureManifest = featureManifest;
+            Alias = alias;
+            ExtensionType = extensionType;
+        }
+    }
+}
@@ -1,17 +1,46 @@
 using Disco.Services.Authorization;
 using Disco.Services.Expressions;
+using Disco.Services.Plugins.Features.ExpressionExtensionProvider;
 using Disco.Services.Web;
+using System;
+using System.Web.Compilation;
 using System.Web.Mvc;

 namespace Disco.Web.Areas.API.Controllers
 {
-    [DiscoAuthorize(Claims.DiscoAdminAccount)]
    public partial class ExpressionsController : AuthorizedDatabaseController
    {
+        [HttpPost, DiscoAuthorize(Claims.DiscoAdminAccount)]
        public virtual ActionResult ValidateExpression(string Expression)
        {
            var part = new EvaluateExpressionPart(Expression);
-            return Json(Models.Expressions.ValidateExpressionModel.FromEvaluateExpressionPart(part), JsonRequestBehavior.AllowGet);
+            return Json(Models.Expressions.ValidateExpressionModel.FromEvaluateExpressionPart(part));
+        }
+
+        [HttpPost, DiscoAuthorize(Claims.Config.Show), ValidateAntiForgeryToken]
+        public virtual ActionResult TypeDescriptor(string type, bool staticMembersOnly = false)
+        {
+            if (string.IsNullOrWhiteSpace(type))
+                return new HttpStatusCodeResult(400, "Type is required");
+
+            var t = Type.GetType(type, false);
+
+            if (t == null)
+            {
+                var typeNameParts = type.Split(new string[] { ", " }, StringSplitOptions.None);
+                if (typeNameParts.Length < 2)
+                    return Json("Invalid Type Specified");
+
+                if (!ExpressionExtensionProviderFeature.TryGetExtensionAssembly(typeNameParts[1], out var assembly))
+                    return Json("Invalid Type Specified");
+
+                t = assembly.GetType(typeNameParts[0]);
+
+                if (t == null)
+                    return Json("Invalid Type Specified");
+            }
+
+            return Json(ExpressionTypeDescriptor.Build(t, staticMembersOnly));
        }
    }
 }
@@ -7,6 +7,7 @@ using Disco.Services.Authorization;
 using Disco.Services.Documents;
 using Disco.Services.Documents.ManagedGroups;
 using Disco.Services.Expressions;
+using Disco.Services.Plugins.Features.ExpressionExtensionProvider;
 using Disco.Services.Plugins.Features.UIExtension;
 using Disco.Services.Web;
 using Disco.Web.Areas.Config.Models.DocumentTemplate;
@@ -24,7 +25,7 @@ namespace Disco.Web.Areas.Config.Controllers
        {
            if (string.IsNullOrEmpty(id))
            {
-                var m = new Models.DocumentTemplate.IndexModel()
+                var m = new IndexModel()
                {
                    DocumentTemplates = Database.DocumentTemplates
                        .Select(dt => new
@@ -47,7 +48,7 @@ namespace Disco.Web.Areas.Config.Controllers
            else
            {
                // Normal Document Template
-                var m = new Models.DocumentTemplate.ShowModel()
+                var m = new ShowModel()
                {
                    DocumentTemplate = Database.DocumentTemplates.Include("JobSubTypes").FirstOrDefault(at => at.Id == id)
                };
@@ -78,7 +79,7 @@ namespace Disco.Web.Areas.Config.Controllers
        public virtual ActionResult ShowPackage(string id)
        {
            // Document Template Package
-            var m = new Models.DocumentTemplate.ShowPackageModel()
+            var m = new ShowPackageModel()
            {
                Package = DocumentTemplatePackages.GetPackage(id)
            };
@@ -104,7 +105,7 @@ namespace Disco.Web.Areas.Config.Controllers
        [DiscoAuthorize(Claims.Config.DocumentTemplate.ShowStatus)]
        public virtual ActionResult ImportStatus()
        {
-            var m = new Models.DocumentTemplate.ImportStatusModel();
+            var m = new ImportStatusModel();

            // UI Extensions
            UIExtensions.ExecuteExtensions<ConfigDocumentTemplateImportStatusModel>(this.ControllerContext, m);
@@ -115,7 +116,7 @@ namespace Disco.Web.Areas.Config.Controllers
        [DiscoAuthorize(Claims.Config.DocumentTemplate.UndetectedPages)]
        public virtual ActionResult UndetectedPages()
        {
-            var m = new Models.DocumentTemplate.UndetectedPagesModel()
+            var m = new UndetectedPagesModel()
            {
                DocumentTemplates = Database.DocumentTemplates.ToList()
            };
@@ -129,7 +130,7 @@ namespace Disco.Web.Areas.Config.Controllers
        [DiscoAuthorizeAll(Claims.Config.DocumentTemplate.Create, Claims.Config.DocumentTemplate.Configure)]
        public virtual ActionResult Create()
        {
-            var m = new Models.DocumentTemplate.CreateModel();
+            var m = new CreateModel();
            m.UpdateModel(Database);

            // UI Extensions
@@ -139,7 +140,7 @@ namespace Disco.Web.Areas.Config.Controllers
        }

        [DiscoAuthorizeAll(Claims.Config.DocumentTemplate.Create, Claims.Config.DocumentTemplate.Configure), HttpPost]
-        public virtual ActionResult Create(Models.DocumentTemplate.CreateModel model)
+        public virtual ActionResult Create(CreateModel model)
        {
            model.UpdateModel(Database);

@@ -179,7 +180,7 @@ namespace Disco.Web.Areas.Config.Controllers
        [DiscoAuthorizeAll(Claims.Config.DocumentTemplate.Create, Claims.Config.DocumentTemplate.Configure)]
        public virtual ActionResult CreatePackage()
        {
-            var m = new Models.DocumentTemplate.CreatePackageModel();
+            var m = new CreatePackageModel();

            // UI Extensions
            UIExtensions.ExecuteExtensions<ConfigDocumentTemplateCreatePackageModel>(this.ControllerContext, m);
@@ -188,7 +189,7 @@ namespace Disco.Web.Areas.Config.Controllers
        }

        [DiscoAuthorizeAll(Claims.Config.DocumentTemplate.Create, Claims.Config.DocumentTemplate.Configure), HttpPost]
-        public virtual ActionResult CreatePackage(Models.DocumentTemplate.CreatePackageModel model)
+        public virtual ActionResult CreatePackage(CreatePackageModel model)
        {
            if (ModelState.IsValid)
            {
@@ -292,37 +293,10 @@ namespace Disco.Web.Areas.Config.Controllers
            return View(MVC.Config.DocumentTemplate.Views.BulkGenerate, model);
        }

-        [DiscoAuthorize(Claims.Config.Show)]
-        public virtual ActionResult ExpressionBrowser(string type, bool StaticDeclaredMembersOnly = false)
+        public virtual ActionResult ExpressionBrowser()
        {
-            if (string.IsNullOrWhiteSpace(type))
-            {
-                var m = new Models.DocumentTemplate.ExpressionBrowserModel()
-                {
-                    DeviceType = typeof(Disco.Models.Repository.Device).AssemblyQualifiedName,
-                    JobType = typeof(Disco.Models.Repository.Job).AssemblyQualifiedName,
-                    UserType = typeof(Disco.Models.Repository.User).AssemblyQualifiedName,
-                    Variables = Expression.StandardVariableTypes(),
-                    ExtensionLibraries = Expression.ExtensionLibraryTypes()
-                };
-
-                // UI Extensions
-                UIExtensions.ExecuteExtensions<ConfigDocumentTemplateExpressionBrowserModel>(this.ControllerContext, m);
-
-                return View(m);
-            }
-            else
-            {
-                var t = Type.GetType(type);
-                if (t != null)
-                {
-                    return Json(ExpressionTypeDescriptor.Build(t, StaticDeclaredMembersOnly), JsonRequestBehavior.AllowGet);
-                }
-                else
-                {
-                    return Json("Invalid Type Specified", JsonRequestBehavior.AllowGet);
-                }
-            }
+            // for backwards compatibility
+            return RedirectToAction(MVC.Config.Expressions.Browser());
        }

    }
@@ -1,24 +1,42 @@
-using Disco.Services.Authorization;
+using Disco.Models.Repository;
+using Disco.Models.UI.Config.Expressions;
+using Disco.Services.Authorization;
+using Disco.Services.Expressions;
+using Disco.Services.Plugins.Features.ExpressionExtensionProvider;
+using Disco.Services.Plugins.Features.UIExtension;
 using Disco.Services.Web;
+using Disco.Web.Areas.Config.Models.Expressions;
 using System;
+using System.Linq;
 using System.Web.Mvc;

 namespace Disco.Web.Areas.Config.Controllers
 {
-    [DiscoAuthorize(Claims.DiscoAdminAccount)]
    public partial class ExpressionsController : AuthorizedDatabaseController
    {
-        // Under Construction - Not In Production
-
+        [DiscoAuthorize(Claims.DiscoAdminAccount)]
        public virtual ActionResult Index()
        {
            throw new NotImplementedException();
-
-            //return View(Views.Editor, new Models.Expressions.EditorModel()
-            //{
-            //    Expression = @"JobComponentsTotalCost() < 100 ? JobComponentsTotalCost().ToString('c') : '$100.00'"
-            //});
        }

+        [DiscoAuthorize(Claims.Config.Show)]
+        public virtual ActionResult Browser()
+        {
+            var m = new BrowserModel()
+            {
+                DeviceType = typeof(Device).AssemblyQualifiedName,
+                JobType = typeof(Job).AssemblyQualifiedName,
+                UserType = typeof(User).AssemblyQualifiedName,
+                Variables = Expression.StandardVariableTypes(),
+                ExtensionLibraries = Expression.ExtensionLibraryTypes(),
+                PluginExtensionLibraries = ExpressionExtensionProviderFeature.GetExpressionExtensionRegistrations().ToDictionary(r => r.Alias, r => r.ExtensionType.AssemblyQualifiedName)
+            };
+
+            // UI Extensions
+            UIExtensions.ExecuteExtensions<ConfigExpressionsBrowserModel>(ControllerContext, m);
+
+            return View(m);
+        }
    }
 }
@@ -1,9 +1,9 @@
-using Disco.Models.UI.Config.DocumentTemplate;
+using Disco.Models.UI.Config.Expressions;
 using System.Collections.Generic;

-namespace Disco.Web.Areas.Config.Models.DocumentTemplate
+namespace Disco.Web.Areas.Config.Models.Expressions
 {
-    public class ExpressionBrowserModel : ConfigDocumentTemplateExpressionBrowserModel
+    public class BrowserModel : ConfigExpressionsBrowserModel
    {
        public string DeviceType { get; set; }
        public string UserType { get; set; }
@@ -11,5 +11,6 @@ namespace Disco.Web.Areas.Config.Models.DocumentTemplate

        public Dictionary<string, string> Variables { get; set; }
        public Dictionary<string, string> ExtensionLibraries { get; set; }
+        public Dictionary<string, string> PluginExtensionLibraries { get; set; }
    }
 }
@@ -1,134 +0,0 @@
-@model Disco.Web.Areas.Config.Models.DocumentTemplate.ExpressionBrowserModel
-@{
-    Authorization.Require(Claims.Config.Show);
-    
-    ViewBag.Title = Html.ToBreadcrumb("Configuration", MVC.Config.Config.Index(), "Document Templates", MVC.Config.DocumentTemplate.Index(null), "Expression Browser");
-    Html.BundleDeferred("~/Style/jQueryUI/dynatree");
-    Html.BundleDeferred("~/ClientScripts/Modules/jQueryUI-DynaTree");
-}
-<div id="configurationDocumentTemplateExpressionBrowser">
-    Expressions within Disco ICT are based on the <a href="http://www.springframework.net/"
-        target="_blank">Spring.NET Framework</a>. Please refer to the <a href="http://www.springframework.net/doc-latest/reference/html/expressions.html"
-            target="_blank">Expression Evaluation</a> documentation.
-    <h2 id="DeviceScope">
-        Device Scope</h2>
-    <div id="deviceScopeTree" class="expressionTree">
-    </div>
-    <h2 id="JobScope">
-        Job Scope</h2>
-    <div id="jobScopeTree" class="expressionTree">
-    </div>
-    <h2 id="UserScope">
-        User Scope</h2>
-    <div id="userScopeTree" class="expressionTree">
-    </div>
-    <h2 id="Variables">
-        Variables
-    </h2>
-    <div id="variableScopeTree" class="expressionTree">
-    </div>
-    <h2 id="ExtensionLibraries">
-        Extension Libraries</h2>
-    <div id="extScopeTree" class="expressionTree">
-    </div>
-</div>
-<script type="text/javascript">
-    $(function () {
-        if (!document.DiscoFunctions) {
-            document.DiscoFunctions = {};
-        }
-
-        var typeLib = {};
-        var loadTypeUrl = '@(Url.Action(MVC.Config.DocumentTemplate.ExpressionBrowser()))';
-        var deviceScopeTree = $('#deviceScopeTree');
-        var jobScopeTree = $('#jobScopeTree');
-        var userScopeTree = $('#userScopeTree');
-        var variableScopeTree = $('#variableScopeTree');
-        var extScopeTree = $('#extScopeTree');
-
-        var lazyLoadNode = function (node) {
-            if (node.data.expressionType) {
-                node.setLazyNodeStatus(DTNodeStatus_Loading);
-                loadType(node, node.data.expressionType, node.data.staticDeclaredMembersOnly);
-            } else {
-                if (node.data.memberDescriptor) {
-                    loadMember(node);
-                } else {
-                    node.setLazyNodeStatus(DTNodeStatus_Ok);
-                }
-            }
-        }
-        var loadMember = function (memberNode) {
-            var previousUpdateMode = memberNode.tree.enableUpdate(false);
-            var memberDescriptor = memberNode.data.memberDescriptor;
-            // Return Type
-            memberNode.addChild({ title: 'Returns: ' + memberDescriptor.ReturnType, tooltip: memberDescriptor.ReturnExpressionType, isFolder: true, expressionType: memberDescriptor.ReturnExpressionType, isLazy: true, addClass: 'object' });
-            // Parameters
-            var parametersNode = memberNode.addChild({ title: 'Parameters', isFolder: true, addClass: 'parameter' });
-            for (var i = 0; i < memberDescriptor.Parameters.length; i++) {
-                var p = memberDescriptor.Parameters[i];
-                parametersNode.addChild({ title: p.Name + ' [' + p.ReturnType + ']', tooltip: p.ReturnExpressionType, addClass: 'object' });
-            }
-            memberNode.setLazyNodeStatus(DTNodeStatus_Ok);
-            memberNode.tree.enableUpdate(previousUpdateMode);
-        }
-        var typeLoaded = function (parentNode, typeDescriptor) {
-            var previousUpdateMode = parentNode.tree.enableUpdate(false);
-            for (var i = 0; i < typeDescriptor.Members.length; i++) {
-                var memberDescriptor = typeDescriptor.Members[i];
-                parentNode.addChild({ title: memberDescriptor.Name, tooltip: memberDescriptor.ReturnType, isFolder: true, addClass: memberDescriptor.Kind, memberDescriptor: memberDescriptor, isLazy: true });
-            }
-            parentNode.setLazyNodeStatus(DTNodeStatus_Ok);
-            parentNode.tree.enableUpdate(previousUpdateMode);
-        }
-
-        var loadType = function (parentNode, type, staticDeclaredMembersOnly) {
-            if (typeLib[type]) {
-                typeLoaded(parentNode, typeLib[type]);
-            } else {
-                var requestData = { type: type, StaticDeclaredMembersOnly: staticDeclaredMembersOnly };
-                $.getJSON(loadTypeUrl, requestData, function (data) {
-                    typeLib[type] = data;
-                    typeLoaded(parentNode, data);
-                });
-            }
-        }
-
-        var initVariable = function (name, type) {
-            variableScopeTree.dynatree('getRoot').addChild({ title: name, tooltip: type, isFolder: true, addClass: 'object', expressionType: type, isLazy: true });
-        }
-        var initExpressionLibrary = function (name, type) {
-            extScopeTree.dynatree('getRoot').addChild({ title: name, tooltip: type, isFolder: true, addClass: 'object', expressionType: type, staticDeclaredMembersOnly: true, isLazy: true });
-        }
-
-        // Init
-        deviceScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        loadType(deviceScopeTree.dynatree('getRoot'), '@(Model.DeviceType)');
-
-        jobScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        loadType(jobScopeTree.dynatree('getRoot'), '@(Model.JobType)');
-
-        userScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        loadType(userScopeTree.dynatree('getRoot'), '@(Model.UserType)');
-
-        variableScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        document.DiscoFunctions.expressionInitVariable = initVariable;
-        
-        extScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        document.DiscoFunctions.expressionInitExpressionLibrary = initExpressionLibrary;
-    });
-</script>
-    <script type="text/javascript">
-        $(function () {
-@{
-foreach (var variable in Model.Variables)
-{
-           <text>document.DiscoFunctions.expressionInitVariable('@(variable.Key)', '@variable.Value');</text>
-}
-foreach (var variable in Model.ExtensionLibraries)
-{
-           <text>document.DiscoFunctions.expressionInitExpressionLibrary('@(variable.Key)', '@variable.Value');</text>
-}
-}
-        });
-    </script>
@@ -1,306 +0,0 @@
-#pragma warning disable 1591
-//------------------------------------------------------------------------------
-// <auto-generated>
-//     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
-//
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
-// </auto-generated>
-//------------------------------------------------------------------------------
-
-namespace Disco.Web.Areas.Config.Views.DocumentTemplate
-{
-    using System;
-    using System.Collections.Generic;
-    using System.IO;
-    using System.Linq;
-    using System.Net;
-    using System.Text;
-    using System.Web;
-    using System.Web.Helpers;
-    using System.Web.Mvc;
-    using System.Web.Mvc.Ajax;
-    using System.Web.Mvc.Html;
-    using System.Web.Routing;
-    using System.Web.Security;
-    using System.Web.UI;
-    using System.Web.WebPages;
-    using Disco;
-    using Disco.Models.Repository;
-    using Disco.Services;
-    using Disco.Services.Authorization;
-    using Disco.Services.Web;
-    using Disco.Web;
-    using Disco.Web.Extensions;
-    
-    [System.CodeDom.Compiler.GeneratedCodeAttribute("RazorGenerator", "2.0.0.0")]
-    [System.Web.WebPages.PageVirtualPathAttribute("~/Areas/Config/Views/DocumentTemplate/ExpressionBrowser.cshtml")]
-    public partial class ExpressionBrowser : Disco.Services.Web.WebViewPage<Disco.Web.Areas.Config.Models.DocumentTemplate.ExpressionBrowserModel>
-    {
-        public ExpressionBrowser()
-        {
-        }
-        public override void Execute()
-        {
-            
-            #line 2 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-  
-    Authorization.Require(Claims.Config.Show);
-    
-    ViewBag.Title = Html.ToBreadcrumb("Configuration", MVC.Config.Config.Index(), "Document Templates", MVC.Config.DocumentTemplate.Index(null), "Expression Browser");
-    Html.BundleDeferred("~/Style/jQueryUI/dynatree");
-    Html.BundleDeferred("~/ClientScripts/Modules/jQueryUI-DynaTree");
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\r\n<div");
-
-WriteLiteral(" id=\"configurationDocumentTemplateExpressionBrowser\"");
-
-WriteLiteral(">\r\n    Expressions within Disco ICT are based on the <a");
-
-WriteLiteral(" href=\"http://www.springframework.net/\"");
-
-WriteLiteral("\r\n        target=\"_blank\"");
-
-WriteLiteral(">Spring.NET Framework</a>. Please refer to the <a");
-
-WriteLiteral(" href=\"http://www.springframework.net/doc-latest/reference/html/expressions.html\"" +
-"");
-
-WriteLiteral("\r\n            target=\"_blank\"");
-
-WriteLiteral(">Expression Evaluation</a> documentation.\r\n    <h2");
-
-WriteLiteral(" id=\"DeviceScope\"");
-
-WriteLiteral(">\r\n        Device Scope</h2>\r\n    <div");
-
-WriteLiteral(" id=\"deviceScopeTree\"");
-
-WriteLiteral(" class=\"expressionTree\"");
-
-WriteLiteral(">\r\n    </div>\r\n    <h2");
-
-WriteLiteral(" id=\"JobScope\"");
-
-WriteLiteral(">\r\n        Job Scope</h2>\r\n    <div");
-
-WriteLiteral(" id=\"jobScopeTree\"");
-
-WriteLiteral(" class=\"expressionTree\"");
-
-WriteLiteral(">\r\n    </div>\r\n    <h2");
-
-WriteLiteral(" id=\"UserScope\"");
-
-WriteLiteral(">\r\n        User Scope</h2>\r\n    <div");
-
-WriteLiteral(" id=\"userScopeTree\"");
-
-WriteLiteral(" class=\"expressionTree\"");
-
-WriteLiteral(">\r\n    </div>\r\n    <h2");
-
-WriteLiteral(" id=\"Variables\"");
-
-WriteLiteral(">\r\n        Variables\r\n    </h2>\r\n    <div");
-
-WriteLiteral(" id=\"variableScopeTree\"");
-
-WriteLiteral(" class=\"expressionTree\"");
-
-WriteLiteral(">\r\n    </div>\r\n    <h2");
-
-WriteLiteral(" id=\"ExtensionLibraries\"");
-
-WriteLiteral(">\r\n        Extension Libraries</h2>\r\n    <div");
-
-WriteLiteral(" id=\"extScopeTree\"");
-
-WriteLiteral(" class=\"expressionTree\"");
-
-WriteLiteral(">\r\n    </div>\r\n</div>\r\n<script");
-
-WriteLiteral(" type=\"text/javascript\"");
-
-WriteLiteral(">\r\n    $(function () {\r\n        if (!document.DiscoFunctions) {\r\n            docu" +
-"ment.DiscoFunctions = {};\r\n        }\r\n\r\n        var typeLib = {};\r\n        var l" +
-"oadTypeUrl = \'");
-
-            
-            #line 42 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                       Write(Url.Action(MVC.Config.DocumentTemplate.ExpressionBrowser()));
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\';\r\n        var deviceScopeTree = $(\'#deviceScopeTree\');\r\n        var jobScopeTre" +
-"e = $(\'#jobScopeTree\');\r\n        var userScopeTree = $(\'#userScopeTree\');\r\n     " +
-"   var variableScopeTree = $(\'#variableScopeTree\');\r\n        var extScopeTree = " +
-"$(\'#extScopeTree\');\r\n\r\n        var lazyLoadNode = function (node) {\r\n           " +
-" if (node.data.expressionType) {\r\n                node.setLazyNodeStatus(DTNodeS" +
-"tatus_Loading);\r\n                loadType(node, node.data.expressionType, node.d" +
-"ata.staticDeclaredMembersOnly);\r\n            } else {\r\n                if (node." +
-"data.memberDescriptor) {\r\n                    loadMember(node);\r\n               " +
-" } else {\r\n                    node.setLazyNodeStatus(DTNodeStatus_Ok);\r\n       " +
-"         }\r\n            }\r\n        }\r\n        var loadMember = function (memberN" +
-"ode) {\r\n            var previousUpdateMode = memberNode.tree.enableUpdate(false)" +
-";\r\n            var memberDescriptor = memberNode.data.memberDescriptor;\r\n       " +
-"     // Return Type\r\n            memberNode.addChild({ title: \'Returns: \' + memb" +
-"erDescriptor.ReturnType, tooltip: memberDescriptor.ReturnExpressionType, isFolde" +
-"r: true, expressionType: memberDescriptor.ReturnExpressionType, isLazy: true, ad" +
-"dClass: \'object\' });\r\n            // Parameters\r\n            var parametersNode " +
-"= memberNode.addChild({ title: \'Parameters\', isFolder: true, addClass: \'paramete" +
-"r\' });\r\n            for (var i = 0; i < memberDescriptor.Parameters.length; i++)" +
-" {\r\n                var p = memberDescriptor.Parameters[i];\r\n                par" +
-"ametersNode.addChild({ title: p.Name + \' [\' + p.ReturnType + \']\', tooltip: p.Ret" +
-"urnExpressionType, addClass: \'object\' });\r\n            }\r\n            memberNode" +
-".setLazyNodeStatus(DTNodeStatus_Ok);\r\n            memberNode.tree.enableUpdate(p" +
-"reviousUpdateMode);\r\n        }\r\n        var typeLoaded = function (parentNode, t" +
-"ypeDescriptor) {\r\n            var previousUpdateMode = parentNode.tree.enableUpd" +
-"ate(false);\r\n            for (var i = 0; i < typeDescriptor.Members.length; i++)" +
-" {\r\n                var memberDescriptor = typeDescriptor.Members[i];\r\n         " +
-"       parentNode.addChild({ title: memberDescriptor.Name, tooltip: memberDescri" +
-"ptor.ReturnType, isFolder: true, addClass: memberDescriptor.Kind, memberDescript" +
-"or: memberDescriptor, isLazy: true });\r\n            }\r\n            parentNode.se" +
-"tLazyNodeStatus(DTNodeStatus_Ok);\r\n            parentNode.tree.enableUpdate(prev" +
-"iousUpdateMode);\r\n        }\r\n\r\n        var loadType = function (parentNode, type" +
-", staticDeclaredMembersOnly) {\r\n            if (typeLib[type]) {\r\n              " +
-"  typeLoaded(parentNode, typeLib[type]);\r\n            } else {\r\n                " +
-"var requestData = { type: type, StaticDeclaredMembersOnly: staticDeclaredMembers" +
-"Only };\r\n                $.getJSON(loadTypeUrl, requestData, function (data) {\r\n" +
-"                    typeLib[type] = data;\r\n                    typeLoaded(parent" +
-"Node, data);\r\n                });\r\n            }\r\n        }\r\n\r\n        var initV" +
-"ariable = function (name, type) {\r\n            variableScopeTree.dynatree(\'getRo" +
-"ot\').addChild({ title: name, tooltip: type, isFolder: true, addClass: \'object\', " +
-"expressionType: type, isLazy: true });\r\n        }\r\n        var initExpressionLib" +
-"rary = function (name, type) {\r\n            extScopeTree.dynatree(\'getRoot\').add" +
-"Child({ title: name, tooltip: type, isFolder: true, addClass: \'object\', expressi" +
-"onType: type, staticDeclaredMembersOnly: true, isLazy: true });\r\n        }\r\n\r\n  " +
-"      // Init\r\n        deviceScopeTree.dynatree({ onLazyRead: lazyLoadNode });\r\n" +
-"        loadType(deviceScopeTree.dynatree(\'getRoot\'), \'");
-
-            
-            #line 106 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                   Write(Model.DeviceType);
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\');\r\n\r\n        jobScopeTree.dynatree({ onLazyRead: lazyLoadNode });\r\n        load" +
-"Type(jobScopeTree.dynatree(\'getRoot\'), \'");
-
-            
-            #line 109 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                Write(Model.JobType);
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\');\r\n\r\n        userScopeTree.dynatree({ onLazyRead: lazyLoadNode });\r\n        loa" +
-"dType(userScopeTree.dynatree(\'getRoot\'), \'");
-
-            
-            #line 112 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                 Write(Model.UserType);
-
-            
-            #line default
-            #line hidden
-WriteLiteral(@"');
-
-        variableScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        document.DiscoFunctions.expressionInitVariable = initVariable;
-        
-        extScopeTree.dynatree({ onLazyRead: lazyLoadNode });
-        document.DiscoFunctions.expressionInitExpressionLibrary = initExpressionLibrary;
-    });
-</script>
-    <script");
-
-WriteLiteral(" type=\"text/javascript\"");
-
-WriteLiteral(">\r\n        $(function () {\r\n");
-
-            
-            #line 123 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-  
-foreach (var variable in Model.Variables)
-{
-
-            
-            #line default
-            #line hidden
-WriteLiteral("           ");
-
-WriteLiteral("document.DiscoFunctions.expressionInitVariable(\'");
-
-            
-            #line 126 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                             Write(variable.Key);
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\', \'");
-
-            
-            #line 126 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                                               Write(variable.Value);
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\');");
-
-WriteLiteral("\r\n");
-
-            
-            #line 127 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-}
-foreach (var variable in Model.ExtensionLibraries)
-{
-
-            
-            #line default
-            #line hidden
-WriteLiteral("           ");
-
-WriteLiteral("document.DiscoFunctions.expressionInitExpressionLibrary(\'");
-
-            
-            #line 130 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                                      Write(variable.Key);
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\', \'");
-
-            
-            #line 130 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-                                                                                        Write(variable.Value);
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\');");
-
-WriteLiteral("\r\n");
-
-            
-            #line 131 "..\..\Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml"
-}
-
-            
-            #line default
-            #line hidden
-WriteLiteral("\r\n        });\r\n    </script>");
-
-        }
-    }
-}
-#pragma warning restore 1591
@@ -0,0 +1,160 @@
+@model Disco.Web.Areas.Config.Models.Expressions.BrowserModel
+@{
+    Authorization.Require(Claims.Config.Show);
+
+    ViewBag.Title = Html.ToBreadcrumb("Configuration", MVC.Config.Config.Index(), "Expression Browser");
+    Html.BundleDeferred("~/Style/jQueryUI/dynatree");
+    Html.BundleDeferred("~/ClientScripts/Modules/jQueryUI-DynaTree");
+}
+<div id="Config_Expressions_Browser">
+    Expressions within Disco ICT are based on the <a href="http://www.springframework.net/" target="_blank">Spring.NET Framework</a>. Please refer to the <a href="http://www.springframework.net/doc-latest/reference/html/expressions.html" target="_blank">Expression Evaluation</a> documentation.
+    <h2 id="DeviceScope">
+        Device Scope
+    </h2>
+    <div id="deviceScopeTree" class="expressionTree">
+    </div>
+    <h2 id="JobScope">
+        Job Scope
+    </h2>
+    <div id="jobScopeTree" class="expressionTree">
+    </div>
+    <h2 id="UserScope">
+        User Scope
+    </h2>
+    <div id="userScopeTree" class="expressionTree">
+    </div>
+    <h2 id="Variables">
+        Variables
+    </h2>
+    <div id="variableScopeTree" class="expressionTree">
+    </div>
+    <h2 id="ExtensionLibraries">
+        Extension Libraries
+    </h2>
+    <div id="extScopeTree" class="expressionTree">
+    </div>
+    @if (Model.PluginExtensionLibraries.Any())
+    {
+        <h2 id="PluginExtensionLibraries">
+            Plugin Extension Libraries
+        </h2>
+        <div id="pluginExtScopeTree" class="expressionTree">
+        </div>
+    }
+</div>
+<script id="expressionBrowserModel" type="application/json">
+@Html.Raw(Json.Encode(Model))
+</script>
+@using (Html.BeginForm(MVC.API.Expressions.TypeDescriptor(), FormMethod.Post, new { id = "expressionBrowserForm" }))
+{
+    @Html.AntiForgeryToken()
+}
+<script type="text/javascript">
+    $(function () {
+        if (!document.DiscoFunctions) {
+            document.DiscoFunctions = {};
+        }
+
+        const typeLib = {};
+        const model = JSON.parse($('#expressionBrowserModel').html());
+
+        function lazyLoadNode(node) {
+            if (node.data.expressionType) {
+                node.setLazyNodeStatus(DTNodeStatus_Loading);
+                loadType(node, node.data.expressionType, node.data.staticMembersOnly);
+            } else {
+                if (node.data.memberDescriptor) {
+                    loadMember(node);
+                } else {
+                    node.setLazyNodeStatus(DTNodeStatus_Ok);
+                }
+            }
+        }
+        function loadMember(memberNode) {
+            const previousUpdateMode = memberNode.tree.enableUpdate(false);
+            const memberDescriptor = memberNode.data.memberDescriptor;
+            // Return Type
+            memberNode.addChild({ title: 'Returns: ' + memberDescriptor.ReturnType, tooltip: memberDescriptor.ReturnExpressionType, isFolder: true, expressionType: memberDescriptor.ReturnExpressionType, isLazy: true, addClass: 'object' });
+            // Parameters
+            const parametersNode = memberNode.addChild({ title: 'Parameters', isFolder: true, addClass: 'parameter' });
+            for (let i = 0; i < memberDescriptor.Parameters.length; i++) {
+                const p = memberDescriptor.Parameters[i];
+                parametersNode.addChild({ title: p.Name + ' [' + p.ReturnType + ']', tooltip: p.ReturnExpressionType, addClass: 'object' });
+            }
+            memberNode.setLazyNodeStatus(DTNodeStatus_Ok);
+            memberNode.tree.enableUpdate(previousUpdateMode);
+        }
+        function typeLoaded(parentNode, typeDescriptor) {
+            const previousUpdateMode = parentNode.tree.enableUpdate(false);
+            for (let i = 0; i < typeDescriptor.Members.length; i++) {
+                const memberDescriptor = typeDescriptor.Members[i];
+                parentNode.addChild({ title: memberDescriptor.Name, tooltip: memberDescriptor.ReturnType, isFolder: true, addClass: memberDescriptor.Kind, memberDescriptor: memberDescriptor, isLazy: true });
+            }
+            parentNode.setLazyNodeStatus(DTNodeStatus_Ok);
+            parentNode.tree.enableUpdate(previousUpdateMode);
+        }
+
+        async function loadType(parentNode, type, staticMembersOnly) {
+            let typeDef = typeLib[type];
+            if (!typeDef) {
+                $form = $('#expressionBrowserForm');
+                const url = $form.attr('action');
+                const body = new FormData($form[0]);
+                body.append('type', type);
+                if (staticMembersOnly) {
+                    body.append('staticMembersOnly', staticMembersOnly);
+                }
+
+                const response = await fetch(url, {
+                    method: 'POST',
+                    body: body
+                });
+
+                if (!response.ok) {
+                    console.error('Failed to load type', response);
+                    return;
+                }
+
+                typeDef = await response.json();
+
+                typeLib[type] = typeDef;
+            }
+            typeLoaded(parentNode, typeDef);
+        }
+
+        const deviceScopeTree = $('#deviceScopeTree');
+        deviceScopeTree.dynatree({ onLazyRead: lazyLoadNode });
+        loadType(deviceScopeTree.dynatree('getRoot'), model.DeviceType);
+
+        const jobScopeTree = $('#jobScopeTree');
+        jobScopeTree.dynatree({ onLazyRead: lazyLoadNode });
+        loadType(jobScopeTree.dynatree('getRoot'), model.JobType);
+
+        const userScopeTree = $('#userScopeTree');
+        userScopeTree.dynatree({ onLazyRead: lazyLoadNode });
+        loadType(userScopeTree.dynatree('getRoot'), model.UserType);
+
+        const variableScopeTree = $('#variableScopeTree');
+        variableScopeTree.dynatree({ onLazyRead: lazyLoadNode });
+        Object.keys(model.Variables).forEach(name => {
+            const type = model.Variables[name];
+            variableScopeTree.dynatree('getRoot').addChild({ title: name, tooltip: type, isFolder: true, addClass: 'object', expressionType: type, isLazy: true });
+        })
+
+        const extScopeTree = $('#extScopeTree');
+        extScopeTree.dynatree({ onLazyRead: lazyLoadNode });
+        Object.keys(model.ExtensionLibraries).forEach(name => {
+            const type = model.ExtensionLibraries[name];
+            extScopeTree.dynatree('getRoot').addChild({ title: name, tooltip: type, isFolder: true, addClass: 'object', expressionType: type, staticMembersOnly: true, isLazy: true });
+        })
+
+        const pluginExtScopeTree = $('#pluginExtScopeTree');
+        if (pluginExtScopeTree.length) {
+            pluginExtScopeTree.dynatree({ onLazyRead: lazyLoadNode });
+            Object.keys(model.PluginExtensionLibraries).forEach(name => {
+                const type = model.PluginExtensionLibraries[name];
+                pluginExtScopeTree.dynatree('getRoot').addChild({ title: name, tooltip: type, isFolder: true, addClass: 'object', expressionType: type, staticMembersOnly: true, isLazy: true });
+            })
+        }
+    });
+</script>
@@ -0,0 +1,277 @@
+#pragma warning disable 1591
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace Disco.Web.Areas.Config.Views.Expressions
+{
+    using System;
+    using System.Collections.Generic;
+    using System.IO;
+    using System.Linq;
+    using System.Net;
+    using System.Text;
+    using System.Web;
+    using System.Web.Helpers;
+    using System.Web.Mvc;
+    using System.Web.Mvc.Ajax;
+    using System.Web.Mvc.Html;
+    using System.Web.Routing;
+    using System.Web.Security;
+    using System.Web.UI;
+    using System.Web.WebPages;
+    using Disco;
+    using Disco.Models.Repository;
+    using Disco.Services;
+    using Disco.Services.Authorization;
+    using Disco.Services.Web;
+    using Disco.Web;
+    using Disco.Web.Extensions;
+    
+    [System.CodeDom.Compiler.GeneratedCodeAttribute("RazorGenerator", "2.0.0.0")]
+    [System.Web.WebPages.PageVirtualPathAttribute("~/Areas/Config/Views/Expressions/Browser.cshtml")]
+    public partial class Browser : Disco.Services.Web.WebViewPage<Disco.Web.Areas.Config.Models.Expressions.BrowserModel>
+    {
+        public Browser()
+        {
+        }
+        public override void Execute()
+        {
+            
+            #line 2 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+  
+    Authorization.Require(Claims.Config.Show);
+
+    ViewBag.Title = Html.ToBreadcrumb("Configuration", MVC.Config.Config.Index(), "Expression Browser");
+    Html.BundleDeferred("~/Style/jQueryUI/dynatree");
+    Html.BundleDeferred("~/ClientScripts/Modules/jQueryUI-DynaTree");
+
+            
+            #line default
+            #line hidden
+WriteLiteral("\r\n<div");
+
+WriteLiteral(" id=\"Config_Expressions_Browser\"");
+
+WriteLiteral(">\r\n    Expressions within Disco ICT are based on the <a");
+
+WriteLiteral(" href=\"http://www.springframework.net/\"");
+
+WriteLiteral(" target=\"_blank\"");
+
+WriteLiteral(">Spring.NET Framework</a>. Please refer to the <a");
+
+WriteLiteral(" href=\"http://www.springframework.net/doc-latest/reference/html/expressions.html\"" +
+"");
+
+WriteLiteral(" target=\"_blank\"");
+
+WriteLiteral(">Expression Evaluation</a> documentation.\r\n    <h2");
+
+WriteLiteral(" id=\"DeviceScope\"");
+
+WriteLiteral(">\r\n        Device Scope\r\n    </h2>\r\n    <div");
+
+WriteLiteral(" id=\"deviceScopeTree\"");
+
+WriteLiteral(" class=\"expressionTree\"");
+
+WriteLiteral(">\r\n    </div>\r\n    <h2");
+
+WriteLiteral(" id=\"JobScope\"");
+
+WriteLiteral(">\r\n        Job Scope\r\n    </h2>\r\n    <div");
+
+WriteLiteral(" id=\"jobScopeTree\"");
+
+WriteLiteral(" class=\"expressionTree\"");
+
+WriteLiteral(">\r\n    </div>\r\n    <h2");
+
+WriteLiteral(" id=\"UserScope\"");
+
+WriteLiteral(">\r\n        User Scope\r\n    </h2>\r\n    <div");
+
+WriteLiteral(" id=\"userScopeTree\"");
+
+WriteLiteral(" class=\"expressionTree\"");
+
+WriteLiteral(">\r\n    </div>\r\n    <h2");
+
+WriteLiteral(" id=\"Variables\"");
+
+WriteLiteral(">\r\n        Variables\r\n    </h2>\r\n    <div");
+
+WriteLiteral(" id=\"variableScopeTree\"");
+
+WriteLiteral(" class=\"expressionTree\"");
+
+WriteLiteral(">\r\n    </div>\r\n    <h2");
+
+WriteLiteral(" id=\"ExtensionLibraries\"");
+
+WriteLiteral(">\r\n        Extension Libraries\r\n    </h2>\r\n    <div");
+
+WriteLiteral(" id=\"extScopeTree\"");
+
+WriteLiteral(" class=\"expressionTree\"");
+
+WriteLiteral(">\r\n    </div>\r\n");
+
+            
+            #line 36 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+    
+            
+            #line default
+            #line hidden
+            
+            #line 36 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+     if (Model.PluginExtensionLibraries.Any())
+    {
+
+            
+            #line default
+            #line hidden
+WriteLiteral("        <h2");
+
+WriteLiteral(" id=\"PluginExtensionLibraries\"");
+
+WriteLiteral(">\r\n            Plugin Extension Libraries\r\n        </h2>\r\n");
+
+WriteLiteral("        <div");
+
+WriteLiteral(" id=\"pluginExtScopeTree\"");
+
+WriteLiteral(" class=\"expressionTree\"");
+
+WriteLiteral(">\r\n        </div>\r\n");
+
+            
+            #line 43 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+    }
+
+            
+            #line default
+            #line hidden
+WriteLiteral("</div>\r\n<script");
+
+WriteLiteral(" id=\"expressionBrowserModel\"");
+
+WriteLiteral(" type=\"application/json\"");
+
+WriteLiteral(">\r\n");
+
+            
+            #line 46 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+Write(Html.Raw(Json.Encode(Model)));
+
+            
+            #line default
+            #line hidden
+WriteLiteral("\r\n</script>\r\n");
+
+            
+            #line 48 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+ using (Html.BeginForm(MVC.API.Expressions.TypeDescriptor(), FormMethod.Post, new { id = "expressionBrowserForm" }))
+{
+    
+            
+            #line default
+            #line hidden
+            
+            #line 50 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+Write(Html.AntiForgeryToken());
+
+            
+            #line default
+            #line hidden
+            
+            #line 50 "..\..\Areas\Config\Views\Expressions\Browser.cshtml"
+                            
+}
+
+            
+            #line default
+            #line hidden
+WriteLiteral("<script");
+
+WriteLiteral(" type=\"text/javascript\"");
+
+WriteLiteral(">\r\n    $(function () {\r\n        if (!document.DiscoFunctions) {\r\n            docu" +
+"ment.DiscoFunctions = {};\r\n        }\r\n\r\n        const typeLib = {};\r\n        con" +
+"st model = JSON.parse($(\'#expressionBrowserModel\').html());\r\n\r\n        function " +
+"lazyLoadNode(node) {\r\n            if (node.data.expressionType) {\r\n             " +
+"   node.setLazyNodeStatus(DTNodeStatus_Loading);\r\n                loadType(node," +
+" node.data.expressionType, node.data.staticMembersOnly);\r\n            } else {\r\n" +
+"                if (node.data.memberDescriptor) {\r\n                    loadMembe" +
+"r(node);\r\n                } else {\r\n                    node.setLazyNodeStatus(D" +
+"TNodeStatus_Ok);\r\n                }\r\n            }\r\n        }\r\n        function " +
+"loadMember(memberNode) {\r\n            const previousUpdateMode = memberNode.tree" +
+".enableUpdate(false);\r\n            const memberDescriptor = memberNode.data.memb" +
+"erDescriptor;\r\n            // Return Type\r\n            memberNode.addChild({ tit" +
+"le: \'Returns: \' + memberDescriptor.ReturnType, tooltip: memberDescriptor.ReturnE" +
+"xpressionType, isFolder: true, expressionType: memberDescriptor.ReturnExpression" +
+"Type, isLazy: true, addClass: \'object\' });\r\n            // Parameters\r\n         " +
+"   const parametersNode = memberNode.addChild({ title: \'Parameters\', isFolder: t" +
+"rue, addClass: \'parameter\' });\r\n            for (let i = 0; i < memberDescriptor" +
+".Parameters.length; i++) {\r\n                const p = memberDescriptor.Parameter" +
+"s[i];\r\n                parametersNode.addChild({ title: p.Name + \' [\' + p.Return" +
+"Type + \']\', tooltip: p.ReturnExpressionType, addClass: \'object\' });\r\n           " +
+" }\r\n            memberNode.setLazyNodeStatus(DTNodeStatus_Ok);\r\n            memb" +
+"erNode.tree.enableUpdate(previousUpdateMode);\r\n        }\r\n        function typeL" +
+"oaded(parentNode, typeDescriptor) {\r\n            const previousUpdateMode = pare" +
+"ntNode.tree.enableUpdate(false);\r\n            for (let i = 0; i < typeDescriptor" +
+".Members.length; i++) {\r\n                const memberDescriptor = typeDescriptor" +
+".Members[i];\r\n                parentNode.addChild({ title: memberDescriptor.Name" +
+", tooltip: memberDescriptor.ReturnType, isFolder: true, addClass: memberDescript" +
+"or.Kind, memberDescriptor: memberDescriptor, isLazy: true });\r\n            }\r\n  " +
+"          parentNode.setLazyNodeStatus(DTNodeStatus_Ok);\r\n            parentNode" +
+".tree.enableUpdate(previousUpdateMode);\r\n        }\r\n\r\n        async function loa" +
+"dType(parentNode, type, staticMembersOnly) {\r\n            let typeDef = typeLib[" +
+"type];\r\n            if (!typeDef) {\r\n                $form = $(\'#expressionBrows" +
+"erForm\');\r\n                const url = $form.attr(\'action\');\r\n                co" +
+"nst body = new FormData($form[0]);\r\n                body.append(\'type\', type);\r\n" +
+"                if (staticMembersOnly) {\r\n                    body.append(\'stati" +
+"cMembersOnly\', staticMembersOnly);\r\n                }\r\n\r\n                const r" +
+"esponse = await fetch(url, {\r\n                    method: \'POST\',\r\n             " +
+"       body: body\r\n                });\r\n\r\n                if (!response.ok) {\r\n " +
+"                   console.error(\'Failed to load type\', response);\r\n            " +
+"        return;\r\n                }\r\n\r\n                typeDef = await response.j" +
+"son();\r\n\r\n                typeLib[type] = typeDef;\r\n            }\r\n            t" +
+"ypeLoaded(parentNode, typeDef);\r\n        }\r\n\r\n        const deviceScopeTree = $(" +
+"\'#deviceScopeTree\');\r\n        deviceScopeTree.dynatree({ onLazyRead: lazyLoadNod" +
+"e });\r\n        loadType(deviceScopeTree.dynatree(\'getRoot\'), model.DeviceType);\r" +
+"\n\r\n        const jobScopeTree = $(\'#jobScopeTree\');\r\n        jobScopeTree.dynatr" +
+"ee({ onLazyRead: lazyLoadNode });\r\n        loadType(jobScopeTree.dynatree(\'getRo" +
+"ot\'), model.JobType);\r\n\r\n        const userScopeTree = $(\'#userScopeTree\');\r\n   " +
+"     userScopeTree.dynatree({ onLazyRead: lazyLoadNode });\r\n        loadType(use" +
+"rScopeTree.dynatree(\'getRoot\'), model.UserType);\r\n\r\n        const variableScopeT" +
+"ree = $(\'#variableScopeTree\');\r\n        variableScopeTree.dynatree({ onLazyRead:" +
+" lazyLoadNode });\r\n        Object.keys(model.Variables).forEach(name => {\r\n     " +
+"       const type = model.Variables[name];\r\n            variableScopeTree.dynatr" +
+"ee(\'getRoot\').addChild({ title: name, tooltip: type, isFolder: true, addClass: \'" +
+"object\', expressionType: type, isLazy: true });\r\n        })\r\n\r\n        const ext" +
+"ScopeTree = $(\'#extScopeTree\');\r\n        extScopeTree.dynatree({ onLazyRead: laz" +
+"yLoadNode });\r\n        Object.keys(model.ExtensionLibraries).forEach(name => {\r\n" +
+"            const type = model.ExtensionLibraries[name];\r\n            extScopeTr" +
+"ee.dynatree(\'getRoot\').addChild({ title: name, tooltip: type, isFolder: true, ad" +
+"dClass: \'object\', expressionType: type, staticMembersOnly: true, isLazy: true })" +
+";\r\n        })\r\n\r\n        const pluginExtScopeTree = $(\'#pluginExtScopeTree\');\r\n " +
+"       if (pluginExtScopeTree.length) {\r\n            pluginExtScopeTree.dynatree" +
+"({ onLazyRead: lazyLoadNode });\r\n            Object.keys(model.PluginExtensionLi" +
+"braries).forEach(name => {\r\n                const type = model.PluginExtensionLi" +
+"braries[name];\r\n                pluginExtScopeTree.dynatree(\'getRoot\').addChild(" +
+"{ title: name, tooltip: type, isFolder: true, addClass: \'object\', expressionType" +
+": type, staticMembersOnly: true, isLazy: true });\r\n            })\r\n        }\r\n  " +
+"  });\r\n</script>\r\n");
+
+        }
+    }
+}
+#pragma warning restore 1591
@@ -296,6 +296,11 @@
      <DesignTime>True</DesignTime>
      <DependentUpon>ShowPackage.cshtml</DependentUpon>
    </Compile>
+    <Compile Include="Areas\Config\Views\Expressions\Browser.generated.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Browser.cshtml</DependentUpon>
+    </Compile>
    <Compile Include="Areas\Config\Views\JobPreferences\Index.generated.cs">
      <AutoGen>True</AutoGen>
      <DesignTime>True</DesignTime>
@@ -443,7 +448,6 @@
    <Compile Include="App_Start\FilterConfig.cs" />
    <Compile Include="App_Start\RazorGeneratorMvcStart.cs" />
    <Compile Include="App_Start\RouteConfig.cs" />
-    <Compile Include="App_Start\WebApiConfig.cs" />
    <Compile Include="Areas\API\APIAreaRegistration.cs" />
    <Compile Include="Areas\API\Controllers\BootstrapperController.cs" />
    <Compile Include="Areas\API\Controllers\DeviceBatchController.cs" />
@@ -501,7 +505,7 @@
    <Compile Include="Areas\Config\Models\DeviceProfile\ShowModel.cs" />
    <Compile Include="Areas\Config\Models\DeviceProfile\_IndexModelItem.cs" />
    <Compile Include="Areas\Config\Models\DocumentTemplate\CreateModel.cs" />
-    <Compile Include="Areas\Config\Models\DocumentTemplate\ExpressionBrowserModel.cs" />
+    <Compile Include="Areas\Config\Models\Expressions\BrowserModel.cs" />
    <Compile Include="Areas\Config\Models\DocumentTemplate\IndexModel.cs" />
    <Compile Include="Areas\Config\Models\DocumentTemplate\ShowModel.cs" />
    <Compile Include="Areas\Config\Models\DocumentTemplate\UndetectedPagesModel.cs" />
@@ -594,11 +598,6 @@
      <AutoGen>True</AutoGen>
      <DesignTime>True</DesignTime>
    </Compile>
-    <Compile Include="Areas\Config\Views\DocumentTemplate\ExpressionBrowser2.generated.cs">
-      <DependentUpon>ExpressionBrowser.cshtml</DependentUpon>
-      <AutoGen>True</AutoGen>
-      <DesignTime>True</DesignTime>
-    </Compile>
    <Compile Include="Areas\Config\Views\DocumentTemplate\ImportStatus.generated.cs">
      <DependentUpon>ImportStatus.cshtml</DependentUpon>
      <AutoGen>True</AutoGen>
@@ -2337,9 +2336,9 @@
      <Generator>RazorGenerator</Generator>
      <LastGenOutput>Create.generated.cs</LastGenOutput>
    </None>
-    <None Include="Areas\Config\Views\DocumentTemplate\ExpressionBrowser.cshtml">
+    <None Include="Areas\Config\Views\Expressions\Browser.cshtml">
      <Generator>RazorGenerator</Generator>
-      <LastGenOutput>ExpressionBrowser2.generated.cs</LastGenOutput>
+      <LastGenOutput>Browser.generated.cs</LastGenOutput>
    </None>
    <None Include="Areas\Config\Views\DocumentTemplate\ImportStatus.cshtml">
      <Generator>RazorGenerator</Generator>
@@ -65,6 +65,12 @@ namespace Disco.Web.Areas.API.Controllers
        {
            return new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.ValidateExpression);
        }
+        [NonAction]
+        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
+        public virtual System.Web.Mvc.ActionResult TypeDescriptor()
+        {
+            return new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.TypeDescriptor);
+        }

        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
        public ExpressionsController Actions { get { return MVC.API.Expressions; } }
@@ -82,12 +88,14 @@ namespace Disco.Web.Areas.API.Controllers
        public class ActionNamesClass
        {
            public readonly string ValidateExpression = "ValidateExpression";
+            public readonly string TypeDescriptor = "TypeDescriptor";
        }

        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
        public class ActionNameConstants
        {
            public const string ValidateExpression = "ValidateExpression";
+            public const string TypeDescriptor = "TypeDescriptor";
        }


@@ -99,6 +107,15 @@ namespace Disco.Web.Areas.API.Controllers
        {
            public readonly string Expression = "Expression";
        }
+        static readonly ActionParamsClass_TypeDescriptor s_params_TypeDescriptor = new ActionParamsClass_TypeDescriptor();
+        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
+        public ActionParamsClass_TypeDescriptor TypeDescriptorParams { get { return s_params_TypeDescriptor; } }
+        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
+        public class ActionParamsClass_TypeDescriptor
+        {
+            public readonly string type = "type";
+            public readonly string staticMembersOnly = "staticMembersOnly";
+        }
        static readonly ViewsClass s_views = new ViewsClass();
        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
        public ViewsClass Views { get { return s_views; } }
@@ -130,6 +147,19 @@ namespace Disco.Web.Areas.API.Controllers
            return callInfo;
        }

+        [NonAction]
+        partial void TypeDescriptorOverride(T4MVC_System_Web_Mvc_ActionResult callInfo, string type, bool staticMembersOnly);
+
+        [NonAction]
+        public override System.Web.Mvc.ActionResult TypeDescriptor(string type, bool staticMembersOnly)
+        {
+            var callInfo = new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.TypeDescriptor);
+            ModelUnbinderHelpers.AddRouteValues(callInfo.RouteValueDictionary, "type", type);
+            ModelUnbinderHelpers.AddRouteValues(callInfo.RouteValueDictionary, "staticMembersOnly", staticMembersOnly);
+            TypeDescriptorOverride(callInfo, type, staticMembersOnly);
+            return callInfo;
+        }
+
    }
 }

@@ -77,12 +77,6 @@ namespace Disco.Web.Areas.Config.Controllers
        {
            return new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.BulkGenerate);
        }
-        [NonAction]
-        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
-        public virtual System.Web.Mvc.ActionResult ExpressionBrowser()
-        {
-            return new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.ExpressionBrowser);
-        }

        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
        public DocumentTemplateController Actions { get { return MVC.Config.DocumentTemplate; } }
@@ -165,15 +159,6 @@ namespace Disco.Web.Areas.Config.Controllers
        {
            public readonly string id = "id";
        }
-        static readonly ActionParamsClass_ExpressionBrowser s_params_ExpressionBrowser = new ActionParamsClass_ExpressionBrowser();
-        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
-        public ActionParamsClass_ExpressionBrowser ExpressionBrowserParams { get { return s_params_ExpressionBrowser; } }
-        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
-        public class ActionParamsClass_ExpressionBrowser
-        {
-            public readonly string type = "type";
-            public readonly string StaticDeclaredMembersOnly = "StaticDeclaredMembersOnly";
-        }
        static readonly ViewsClass s_views = new ViewsClass();
        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
        public ViewsClass Views { get { return s_views; } }
@@ -188,7 +173,6 @@ namespace Disco.Web.Areas.Config.Controllers
                public readonly string BulkGenerate = "BulkGenerate";
                public readonly string Create = "Create";
                public readonly string CreatePackage = "CreatePackage";
-                public readonly string ExpressionBrowser = "ExpressionBrowser";
                public readonly string ImportStatus = "ImportStatus";
                public readonly string Index = "Index";
                public readonly string Show = "Show";
@@ -199,7 +183,6 @@ namespace Disco.Web.Areas.Config.Controllers
            public readonly string BulkGenerate = "~/Areas/Config/Views/DocumentTemplate/BulkGenerate.cshtml";
            public readonly string Create = "~/Areas/Config/Views/DocumentTemplate/Create.cshtml";
            public readonly string CreatePackage = "~/Areas/Config/Views/DocumentTemplate/CreatePackage.cshtml";
-            public readonly string ExpressionBrowser = "~/Areas/Config/Views/DocumentTemplate/ExpressionBrowser.cshtml";
            public readonly string ImportStatus = "~/Areas/Config/Views/DocumentTemplate/ImportStatus.cshtml";
            public readonly string Index = "~/Areas/Config/Views/DocumentTemplate/Index.cshtml";
            public readonly string Show = "~/Areas/Config/Views/DocumentTemplate/Show.cshtml";
@@ -320,15 +303,13 @@ namespace Disco.Web.Areas.Config.Controllers
        }

        [NonAction]
-        partial void ExpressionBrowserOverride(T4MVC_System_Web_Mvc_ActionResult callInfo, string type, bool StaticDeclaredMembersOnly);
+        partial void ExpressionBrowserOverride(T4MVC_System_Web_Mvc_ActionResult callInfo);

        [NonAction]
-        public override System.Web.Mvc.ActionResult ExpressionBrowser(string type, bool StaticDeclaredMembersOnly)
+        public override System.Web.Mvc.ActionResult ExpressionBrowser()
        {
            var callInfo = new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.ExpressionBrowser);
-            ModelUnbinderHelpers.AddRouteValues(callInfo.RouteValueDictionary, "type", type);
-            ModelUnbinderHelpers.AddRouteValues(callInfo.RouteValueDictionary, "StaticDeclaredMembersOnly", StaticDeclaredMembersOnly);
-            ExpressionBrowserOverride(callInfo, type, StaticDeclaredMembersOnly);
+            ExpressionBrowserOverride(callInfo);
            return callInfo;
        }

@@ -76,12 +76,14 @@ namespace Disco.Web.Areas.Config.Controllers
        public class ActionNamesClass
        {
            public readonly string Index = "Index";
+            public readonly string Browser = "Browser";
        }

        [GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
        public class ActionNameConstants
        {
            public const string Index = "Index";
+            public const string Browser = "Browser";
        }


@@ -95,8 +97,10 @@ namespace Disco.Web.Areas.Config.Controllers
            public _ViewNamesClass ViewNames { get { return s_ViewNames; } }
            public class _ViewNamesClass
            {
+                public readonly string Browser = "Browser";
                public readonly string Editor = "Editor";
            }
+            public readonly string Browser = "~/Areas/Config/Views/Expressions/Browser.cshtml";
            public readonly string Editor = "~/Areas/Config/Views/Expressions/Editor.cshtml";
        }
    }
@@ -117,6 +121,17 @@ namespace Disco.Web.Areas.Config.Controllers
            return callInfo;
        }

+        [NonAction]
+        partial void BrowserOverride(T4MVC_System_Web_Mvc_ActionResult callInfo);
+
+        [NonAction]
+        public override System.Web.Mvc.ActionResult Browser()
+        {
+            var callInfo = new T4MVC_System_Web_Mvc_ActionResult(Area, Name, ActionNames.Browser);
+            BrowserOverride(callInfo);
+            return callInfo;
+        }
+
    }
 }