VirtualPathProviderViewEngine.GetPathFromGeneralName
debe ser cambiado para permitir que un parámetro adicional de la ruta. No es público, es por eso que tiene que copiar GetPath
, GetPathFromGeneralName
, IsSpecificPath
... en su propia implementación ViewEngine
.
Tiene razón: esto parece una reescritura completa. Ojalá GetPathFromGeneralName
fuera público.
using System.Web.Mvc;
using System;
using System.Web.Hosting;
using System.Globalization;
using System.Linq;
namespace MvcLocalization
{
public class LocalizationWebFormViewEngine : WebFormViewEngine
{
private const string _cacheKeyFormat = ":ViewCacheEntry:{0}:{1}:{2}:{3}:";
private const string _cacheKeyPrefix_Master = "Master";
private const string _cacheKeyPrefix_Partial = "Partial";
private const string _cacheKeyPrefix_View = "View";
private static readonly string[] _emptyLocations = new string[0];
public LocalizationWebFormViewEngine()
{
base.ViewLocationFormats = new string[] {
"~/Views/{1}/{2}/{0}.aspx",
"~/Views/{1}/{2}/{0}.ascx",
"~/Views/Shared/{2}/{0}.aspx",
"~/Views/Shared/{2}/{0}.ascx" ,
"~/Views/{1}/{0}.aspx",
"~/Views/{1}/{0}.ascx",
"~/Views/Shared/{0}.aspx",
"~/Views/Shared/{0}.ascx"
};
}
private VirtualPathProvider _vpp;
public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
{
if (controllerContext == null)
throw new ArgumentNullException("controllerContext");
if (String.IsNullOrEmpty(viewName))
throw new ArgumentException("viewName");
string[] viewLocationsSearched;
string[] masterLocationsSearched;
string controllerName = controllerContext.RouteData.GetRequiredString("controller");
string viewPath = GetPath(controllerContext, ViewLocationFormats, "ViewLocationFormats", viewName, controllerName, _cacheKeyPrefix_View, useCache, out viewLocationsSearched);
string masterPath = GetPath(controllerContext, MasterLocationFormats, "MasterLocationFormats", masterName, controllerName, _cacheKeyPrefix_Master, useCache, out masterLocationsSearched);
if (String.IsNullOrEmpty(viewPath) || (String.IsNullOrEmpty(masterPath) && !String.IsNullOrEmpty(masterName)))
{
return new ViewEngineResult(viewLocationsSearched.Union(masterLocationsSearched));
}
return new ViewEngineResult(CreateView(controllerContext, viewPath, masterPath), this);
}
private string GetPath(ControllerContext controllerContext, string[] locations, string locationsPropertyName, string name, string controllerName, string cacheKeyPrefix, bool useCache, out string[] searchedLocations)
{
searchedLocations = _emptyLocations;
if (String.IsNullOrEmpty(name))
return String.Empty;
if (locations == null || locations.Length == 0)
throw new InvalidOperationException();
bool nameRepresentsPath = IsSpecificPath(name);
string cacheKey = CreateCacheKey(cacheKeyPrefix, name, (nameRepresentsPath) ? String.Empty : controllerName);
if (useCache)
{
string result = ViewLocationCache.GetViewLocation(controllerContext.HttpContext, cacheKey);
if (result != null)
{
return result;
}
}
return (nameRepresentsPath) ?
GetPathFromSpecificName(controllerContext, name, cacheKey, ref searchedLocations) :
GetPathFromGeneralName(controllerContext, locations, name, controllerName, cacheKey, ref searchedLocations);
}
private string GetPathFromGeneralName(ControllerContext controllerContext, string[] locations, string name, string controllerName, string cacheKey, ref string[] searchedLocations)
{
string result = String.Empty;
searchedLocations = new string[locations.Length];
string language = controllerContext.RouteData.Values["lang"].ToString();
for (int i = 0; i < locations.Length; i++)
{
string virtualPath = String.Format(CultureInfo.InvariantCulture, locations[i], name, controllerName,language);
if (FileExists(controllerContext, virtualPath))
{
searchedLocations = _emptyLocations;
result = virtualPath;
ViewLocationCache.InsertViewLocation(controllerContext.HttpContext, cacheKey, result);
break;
}
searchedLocations[i] = virtualPath;
}
return result;
}
private string CreateCacheKey(string prefix, string name, string controllerName)
{
return String.Format(CultureInfo.InvariantCulture, _cacheKeyFormat,
GetType().AssemblyQualifiedName, prefix, name, controllerName);
}
private string GetPathFromSpecificName(ControllerContext controllerContext, string name, string cacheKey, ref string[] searchedLocations)
{
string result = name;
if (!FileExists(controllerContext, name))
{
result = String.Empty;
searchedLocations = new[] { name };
}
ViewLocationCache.InsertViewLocation(controllerContext.HttpContext, cacheKey, result);
return result;
}
private static bool IsSpecificPath(string name)
{
char c = name[0];
return (c == '~' || c == '/');
}
}
}
Esto funcionó bien ... en tiempo de ejecución. Sin embargo, parece que no puedo obtener VS 2013 (o posiblemente sea ReSharper) para reconocer la nueva ubicación personalizada. Perdí la capacidad de F12 en la definición y la llamada se marcó como un error. ¿Estás experimentando el mismo problema? Introduje una ubicación de vista parcial personalizada. Gracias. –
"¿Tiene el mismo problema?" No, pero no uso Resharper, así que no estoy familiarizado con lo que espera que haga. –
+1 por no seguir el método de sobrecarga 'CustomView Engine' de la mayoría – Brad