public MvcActionHelper(
ControllerContext currentControllerContext,
[AspMvcAction] string actionName = null,
[AspMvcController] string controllerName = null,
string httpMethod = "GET",
RouteValueDictionary routeValues = null,
string protocol = null,
string hostName = null)
{
this.CurrentControllerContext = currentControllerContext;
this.ActionName = actionName ?? this.CurrentControllerContext.RouteData.GetRequiredString("action");
this.ControllerName = controllerName ?? this.CurrentControllerContext.RouteData.GetRequiredString("controller");
this.HttpMethod = httpMethod;
var httpContext = new MvcHelper.MockHttpContext
{
Request2 =
new MvcHelper.MockHttpRequest(this.CurrentControllerContext.HttpContext.Request)
{
HttpMethod2 = this.HttpMethod,
Url2 = this.Uri,
}
};
// Building route data.
var urlHelper = new UrlHelper(this.CurrentControllerContext.RequestContext);
var currentUri = this.CurrentControllerContext.RequestContext.HttpContext.Request.Url;
this.Uri = new Uri(urlHelper.Action(
this.ActionName,
this.ControllerName,
routeValues,
protocol ?? currentUri.Scheme,
hostName ?? currentUri.Host));
var routeData = RouteTable.Routes.GetRouteData(httpContext);
// Creating controller.
this.Controller = (ControllerBase)this.ControllerFactory
.CreateController(
// note: the area does not affect which controller is selected
new RequestContext(httpContext, routeData),
this.ControllerName);
this.ControllerType = this.Controller.GetType();
this.ControllerDescriptor = new ReflectedControllerDescriptor(this.ControllerType);
// Creating fake controller context.
this.MockControllerContext = new ControllerContext(
httpContext,
routeData,
this.Controller);
this.Controller.ControllerContext = this.MockControllerContext;
this.ActionDescriptor = this.ControllerDescriptor
.FindAction(this.MockControllerContext, this.ActionName);
}
/// <summary>
/// Renders an embedded razor view.
/// </summary>
/// <param name="requesterType"> </param>
/// <param name="viewName"></param>
/// <param name="viewData"></param>
/// <returns></returns>
public static string RenderEmbeddedRazor(Type requesterType, [JetBrains.Annotations.AspMvcView] string viewName, ViewDataDictionary viewData)
{
// TODO: support layout page
// TODO: support _ViewStart pages
// Creating or getting the type that renders the view.
var resourcePath = string.Format(
"{0}\\Views\\{1}\\{2}.cshtml",
Path.GetFileNameWithoutExtension(requesterType.Assembly.GetName().Name),
requesterType.Name,
viewName);
var key = new RequesterTypeAndResourcePath
{
RequesterType = requesterType,
ResourcePath = resourcePath,
};
var type = pageTypeByResourcePath.GetOrAdd(key, CreateTypeForEmbeddedRazor);
if (type == null)
{
throw new Exception("View not found.");
}
// Rendering the page, using the passed model.
var page = (WebViewPage)Activator.CreateInstance(type);
using (var stringWriter = new StringWriter())
{
// We need to emulate the environment of a web-request to render the view.
var httpContext = new MvcHelper.MockHttpContext {
Request2 = new MvcHelper.MockHttpRequest()
};
var requestContext = new RequestContext(httpContext, new RouteData());
page.ViewContext = new ViewContext(
new ControllerContext(requestContext, new HomeController()),
new RazorView(new ControllerContext(), resourcePath, null, true, new[] { "cshtml", "vbhtml" }),
viewData,
new TempDataDictionary(),
stringWriter);
page.ViewData = viewData;
page.Url = new UrlHelper(requestContext, RouteTable.Routes);
page.PushContext(new WebPageContext(httpContext, null, viewData), stringWriter);
try
{
// Executing the renderer, so that it writes to the stringWriter.
page.Execute();
// after executing the page, we need to copy value from the cloned ViewData
// to the original ViewData... so that the caller can see elements inserted
// or changed by the view
foreach (var eachViewDataItem in page.ViewData)
{
viewData[eachViewDataItem.Key] = eachViewDataItem.Value;
}
}
finally
{
page.PopContext();
}
// The rendered page is inside the stringWriter.
var result = stringWriter.GetStringBuilder().ToString();
return(result);
}
}
/// <summary>
/// Renders an embedded razor view.
/// </summary>
/// <param name="requesterType"> </param>
/// <param name="viewName"></param>
/// <param name="viewData"></param>
/// <returns></returns>
public static string RenderEmbeddedRazor(Type requesterType, [JetBrains.Annotations.AspMvcView] string viewName, ViewDataDictionary viewData)
{
// TODO: support layout page
// TODO: support _ViewStart pages
// Creating or getting the type that renders the view.
var resourcePath = string.Format(
"{0}\\Views\\{1}\\{2}.cshtml",
Path.GetFileNameWithoutExtension(requesterType.Assembly.GetName().Name),
requesterType.Name,
viewName);
var key = new RequesterTypeAndResourcePath
{
RequesterType = requesterType,
ResourcePath = resourcePath,
};
var type = pageTypeByResourcePath.GetOrAdd(key, CreateTypeForEmbeddedRazor);
if (type == null)
throw new Exception("View not found.");
// Rendering the page, using the passed model.
var page = (WebViewPage)Activator.CreateInstance(type);
using (var stringWriter = new StringWriter())
{
// We need to emulate the environment of a web-request to render the view.
var httpContext = new MvcHelper.MockHttpContext { Request2 = new MvcHelper.MockHttpRequest() };
var requestContext = new RequestContext(httpContext, new RouteData());
page.ViewContext = new ViewContext(
new ControllerContext(requestContext, new HomeController()),
new RazorView(new ControllerContext(), resourcePath, null, true, new[] { "cshtml", "vbhtml" }),
viewData,
new TempDataDictionary(),
stringWriter);
page.ViewData = viewData;
page.Url = new UrlHelper(requestContext, RouteTable.Routes);
page.PushContext(new WebPageContext(httpContext, null, viewData), stringWriter);
try
{
// Executing the renderer, so that it writes to the stringWriter.
page.Execute();
// after executing the page, we need to copy value from the cloned ViewData
// to the original ViewData... so that the caller can see elements inserted
// or changed by the view
foreach (var eachViewDataItem in page.ViewData)
viewData[eachViewDataItem.Key] = eachViewDataItem.Value;
}
finally
{
page.PopContext();
}
// The rendered page is inside the stringWriter.
var result = stringWriter.GetStringBuilder().ToString();
return result;
}
}
public MvcActionHelper(
ControllerContext currentControllerContext,
[AspMvcAction] string actionName = null,
[AspMvcController] string controllerName = null,
string httpMethod = "GET",
RouteValueDictionary routeValues = null,
string protocol = null,
string hostName = null)
{
this.CurrentControllerContext = currentControllerContext;
this.ActionName = actionName ?? this.CurrentControllerContext.RouteData.GetRequiredString("action");
this.ControllerName = controllerName ?? this.CurrentControllerContext.RouteData.GetRequiredString("controller");
this.HttpMethod = httpMethod;
var httpContext = new MvcHelper.MockHttpContext
{
Request2 =
new MvcHelper.MockHttpRequest(this.CurrentControllerContext.HttpContext.Request)
{
HttpMethod2 = this.HttpMethod,
Url2 = this.Uri,
}
};
// Building route data.
var urlHelper = new UrlHelper(this.CurrentControllerContext.RequestContext);
var currentUri = this.CurrentControllerContext.RequestContext.HttpContext.Request.Url;
this.Uri = new Uri(urlHelper.Action(
this.ActionName,
this.ControllerName,
routeValues,
protocol ?? currentUri.Scheme,
hostName ?? currentUri.Host));
var routeData = RouteTable.Routes.GetRouteData(httpContext);
// Creating controller.
this.Controller = (ControllerBase)this.ControllerFactory
.CreateController(
// note: the area does not affect which controller is selected
new RequestContext(httpContext, routeData),
this.ControllerName);
this.ControllerType = this.Controller.GetType();
this.ControllerDescriptor = new ReflectedControllerDescriptor(this.ControllerType);
// Creating fake controller context.
this.MockControllerContext = new ControllerContext(
httpContext,
routeData,
this.Controller);
this.Controller.ControllerContext = this.MockControllerContext;
this.ActionDescriptor = this.ControllerDescriptor
.FindAction(this.MockControllerContext, this.ActionName);
}
