public async Task ExecuteAsync(WidgetViewContext context)
{
var viewEngine = ViewEngine ?? ResolveViewEngine(context);
var viewContext = context.ViewContext;
var viewLocationService = ResolveViewLocationService(context);
if (string.IsNullOrEmpty(ViewName))
{
ViewName = DefaultViewName;
}
var locations = viewLocationService.Search(context.ComponentDescriptor);
ViewEngineResult result = null;
foreach (var viewFormat in locations)
{
string viewFullName = string.Format(
CultureInfo.InvariantCulture,
viewFormat,
context.ComponentDescriptor.RootName,
ViewName
);
result = viewEngine.FindView(context.ViewContext, viewFullName + ".cshtml", false);
if (!result.Success)
{
result = viewEngine.GetView(null, viewFullName + ".cshtml", false);
}
if (result.Success)
{
break;
}
}
IEnumerable <string> searchedLocations = result.SearchedLocations;
var view = result.EnsureSuccessful(searchedLocations).View;
using (view as IDisposable)
{
var childViewContext = new ViewContext(
viewContext,
view,
ViewData ?? context.ViewData,
context.Writer);
await view.RenderAsync(childViewContext);
}
}
private static IWidgetViewLocationResolveService ResolveViewLocationService(WidgetViewContext context)
{
return(context.ViewContext.HttpContext.RequestServices.GetRequiredService <IWidgetViewLocationResolveService>());
}
private static IViewEngine ResolveViewEngine(WidgetViewContext context)
{
return(context.ViewContext.HttpContext.RequestServices.GetRequiredService <ICompositeViewEngine>());
}
