public RenderingFragmentCollection Execute(PageCompositionElement pp)
{
SwitchingHtmlWriter _writer = new SwitchingHtmlWriter();
var isWebFormsInChargeOfPageBase = pp is WebFormsPageCompositionElement;
if (isWebFormsInChargeOfPageBase)
{
var nativePageRendering = (WebFormsPageCompositionElement)pp;
var nativePage = nativePageRendering.GetPage();
nativePage.PreInit += (sender, args) =>
{
var topMostControl = nativePage.GetRootControl();
foreach (var ph in pp.PlaceHolders.Values)
{
var contentPlaceHolder = topMostControl.FindControl(ph.Id);
contentPlaceHolder.Controls.Add(new SubsitutionHtmlWriterDirective(ph));
}
BuildServerSidePage(topMostControl, pp);
};
nativePage.Init += (sender, args) =>
{
};
nativePage.InitComplete += (sender, args) =>
{
if (nativePage.Header == null)
{
throw new Exception(
"Add a <head runat='server'> tag in order to use this master page as a layout.");
}
if (nativePage.Form == null)
{
throw new Exception(
"Add a <form runat='server'> tag in order to use this master page as a layout.");
}
nativePage.Header.Controls.Add(new GlobalSubstitionComponent(GlobalLayoutPlaceHolderIds.Head));
nativePage.Form.Controls.Add(new GlobalSubstitionComponent(GlobalLayoutPlaceHolderIds.Scripts));
nativePage.Form.Controls.Add(new GlobalSubstitionComponent(GlobalLayoutPlaceHolderIds.InternalStateTracking));
};
_writer.BeginWriting(pp);
var originalHandler = HttpContext.Current.Handler;
try
{
HttpContext.Current.Handler = nativePage; // required in order to process postbacks.
// if aspnet thinks that another renderer is in charge of the
// the execution, then 'GET' content is returned only.
HttpContext.Current.Server.Execute(nativePage, _writer, true);
}
finally
{
HttpContext.Current.Handler = originalHandler;
}
_writer.EndWriting();
}
else
{
var nativeRoot = new System.Web.UI.Page();
var body = new HtmlGenericControl("body");
var form = new HtmlGenericControl("form");
var wrapper = new RenderHtmlWriterDirective(new WebFormsControlPageCompositionElement(body)
{
ContentId = SpecialRenderingFragmentContentIds.WebFormsInterop
});
wrapper.Controls.Add(body);
wrapper.Initialize();
body.Controls.Add(form);
nativeRoot.Controls.Add(wrapper);
foreach (var placeholder in pp.PlaceHolders)
{
form.Controls.Add(new ContentPlaceHolder {
ID = placeholder.Value.Id
});
}
BuildServerSidePage(nativeRoot, pp);
HttpContext.Current.Server.Execute(nativeRoot, _writer, true);
}
return(new RenderingFragmentCollection
{
RenderingResults = _writer.output,
});
}
public RenderingFragmentCollection Execute(PageCompositionElement pp)
{
RenderingFragmentCollection collection = new RenderingFragmentCollection();
var allDescendents = pp.GetAllDescendents().OfType <ControllerPageCompositionElement>();
foreach (var item in allDescendents)
{
//todo: cache.
var descriptor = new ReflectedAsyncControllerDescriptor(item.Controller.GetType());
using (var writer = new SwitchingHtmlWriter())
{
var fake = new NoResponseHttpContextBase(HttpContext.Current, writer);
var rq = new RequestContext
{
HttpContext = fake,
};
rq.RouteData = new RouteData();
rq.RouteData.Values.Add("controller", descriptor.ControllerName);
rq.RouteData.Values.Add("action", "Index");
writer.BeginWriting(item);
item.Controller.Execute(rq);
writer.EndWriting();
collection.RenderingResults.Add(item.ContentId, writer.output[item.ContentId]);
//var placeholderOrder = new Dictionary<string, int>();
//foreach (var phId in item.PlaceHolders.Keys)
// placeholderOrder.Add(phId,
// output.IndexOf($"[##Placeholder({nonce+"-"+phId})]", StringComparison.OrdinalIgnoreCase));
//var phLocations = placeholderOrder.OrderBy(x => x.Value).Select(x => x.Key).ToList();
//List<IRenderingFragment> captured = new List<IRenderingFragment>();
//var allSegments = phLocations.Select(x => new{Id=x,Marker=$"[##Placeholder({nonce+"-"+x})]"}).ToList();
//var remainingOutput = output;
//foreach (var segment in allSegments)
//{
// var at = remainingOutput.IndexOf(segment.Marker,StringComparison.OrdinalIgnoreCase);
// if (at == -1)
// throw new Exception("Placeholder with id '" + segment.Id+
// "' was defined in the internal layout, but was not rendered.");
// var capturedHtml = remainingOutput.Substring(0, at);
// if (capturedHtml.Length >0)
// captured.Add(new HtmlOutput(capturedHtml));
// captured.Add(new LayoutSubstitutionOutput{Id=segment.Id});
// remainingOutput = remainingOutput.Substring(at + segment.Marker.Length);
//}
//if (remainingOutput.Length >0)
// captured.Add(new HtmlOutput(remainingOutput));
//collection.WidgetContent.Add(item.ContentId,captured);
}
}
return(collection);
}
