Jonathan Ouellette 580e90f6a2 initial add
2022-09-27 14:10:30 -07:00

51 lines
2.1 KiB
C#

// --------------------------------------------------------------------------------------------------------------------
// <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);
}
}
}