Adding ShapeMenuItem

--HG--
branch : 1.x

src/Orchard.Web/Core/Navigation/Drivers/ShapeMenuItemPartDriver.cs

@@ -0,0 +1,53 @@
+using System;
+using Orchard.ContentManagement;
+using Orchard.ContentManagement.Drivers;
+using Orchard.ContentManagement.Handlers;
+using Orchard.Core.Navigation.Models;
+using Orchard.Localization;
+
+namespace Orchard.Core.Navigation.Drivers {
+    public class ShapeMenuItemPartDriver : ContentPartDriver<ShapeMenuItemPart> {
+        private const string TemplateName = "Parts.ShapeMenuItemPart.Edit";
+
+        public ShapeMenuItemPartDriver(IOrchardServices services) {
+            T = NullLocalizer.Instance;
+            Services = services;
+        }
+
+        public Localizer T { get; set; }
+        public IOrchardServices Services { get; set; }
+
+        protected override string Prefix { get { return "ShapeMenuItemPart"; } }
+
+        protected override DriverResult Editor(ShapeMenuItemPart part, dynamic shapeHelper) {
+            return ContentShape("Parts_ShapeMenuItemPart_Edit", () => {
+
+                return shapeHelper.EditorTemplate(TemplateName: TemplateName, Model: part, Prefix: Prefix);
+            });
+        }
+
+        protected override DriverResult Editor(ShapeMenuItemPart part, IUpdateModel updater, dynamic shapeHelper) {
+            if (updater.TryUpdateModel(part, Prefix, null, null)) {
+                if (String.IsNullOrWhiteSpace(part.ShapeType)) {
+                    updater.AddModelError("ShapeType", T("The Shape Type is mandatory."));
+                }
+            }
+
+            return Editor(part, shapeHelper);
+        }
+
+        protected override void Importing(ShapeMenuItemPart part, ImportContentContext context) {
+            IfNotNull(context.Attribute(part.PartDefinition.Name, "ShapeType"), x => part.Record.ShapeType = x);
+        }
+
+        private static void IfNotNull<T>(T value, Action<T> then) where T : class {
+            if(value != null) {
+                then(value);
+            }
+        }
+
+        protected override void Exporting(ShapeMenuItemPart part, ExportContentContext context) {
+            context.Element(part.PartDefinition.Name).SetAttributeValue("ShapeType", part.Record.ShapeType);
+        }
+    }
+}