Files
Umbraco-CMS/src/Umbraco.Web/Mvc/UmbracoMvcHandler.cs

70 lines
2.4 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
namespace Umbraco.Web.Mvc
{
/// <summary>
/// Mvc handler class to intercept creation of controller and store it for later use.
/// This means we create two instances of the same controller to support some features later on.
///
/// The alternate option for this is to completely rewrite all MvcHandler methods.
///
/// This is currently needed for the 'return CurrentUmbracoPage()' surface controller functionality
/// because it needs to send data back to the page controller.
/// </summary>
internal class UmbracoMvcHandler : MvcHandler
{
public UmbracoMvcHandler(RequestContext requestContext)
: base(requestContext)
{
}
private void StoreControllerInRouteDefinition()
{
var routeDef = (RouteDefinition)RequestContext.RouteData.DataTokens["umbraco-route-def"];
if (routeDef == null) return;
// Get the factory and controller and create a new instance of the controller
var factory = ControllerBuilder.Current.GetControllerFactory();
var controller = factory.CreateController(RequestContext, routeDef.ControllerName) as ControllerBase;
// Store the controller
routeDef.Controller = controller;
}
/// <summary>
/// This is used internally purely to render an Umbraco MVC template to string and shouldn't be used for anything else.
/// </summary>
internal void ExecuteUmbracoRequest()
{
StoreControllerInRouteDefinition();
base.ProcessRequest(RequestContext.HttpContext);
}
protected override void ProcessRequest(HttpContextBase httpContext)
{
StoreControllerInRouteDefinition();
// Let MVC do its magic and continue the request
base.ProcessRequest(httpContext);
}
protected override IAsyncResult BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback,
object state)
{
StoreControllerInRouteDefinition();
return base.BeginProcessRequest(httpContext, callback, state);
}
}
}