initial add

Fab2ApprovalSystem/PdfGenerator/HtmlViewRenderer.cs

@@ -0,0 +1,51 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="HtmlViewRenderer.cs" company="SemanticArchitecture">
+//   http://www.SemanticArchitecture.net pkalkie@gmail.com
+// </copyright>
+// <summary>
+//   This class is responsible for rendering a HTML view to a string.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace Fab2ApprovalSystem.PdfGenerator
+{
+    using System.IO;
+    using System.Text;
+    using System.Web;
+    using System.Web.Mvc;
+    using System.Web.Mvc.Html;
+
+    /// <summary>
+    /// This class is responsible for rendering a HTML view into a string. 
+    /// </summary>
+    public class HtmlViewRenderer
+    {
+        public string RenderViewToString(Controller controller, string viewName, object viewData)
+        {
+            var renderedView = new StringBuilder();
+            using (var responseWriter = new StringWriter(renderedView))
+            {
+                var fakeResponse = new HttpResponse(responseWriter);
+                var fakeContext = new HttpContext(HttpContext.Current.Request, fakeResponse);
+                var fakeControllerContext = new ControllerContext(new HttpContextWrapper(fakeContext), controller.ControllerContext.RouteData, controller.ControllerContext.Controller);
+
+                var oldContext = HttpContext.Current;
+                HttpContext.Current = fakeContext;
+
+                using (var viewPage = new ViewPage())
+                {
+                    var html = new HtmlHelper(CreateViewContext(responseWriter, fakeControllerContext), viewPage);
+                    html.RenderPartial(viewName, viewData);
+                    HttpContext.Current = oldContext;
+                }
+            }
+
+            return renderedView.ToString();
+        }
+
+        private static ViewContext CreateViewContext(TextWriter responseWriter, ControllerContext fakeControllerContext)
+        {
+            return new ViewContext(fakeControllerContext, new FakeView(), new ViewDataDictionary(), new TempDataDictionary(), responseWriter);
+        }
+    }
+}