internal static void DetermineAreaAndModule <TController>(RouteCollection routes, out string areaName, out string moduleName) where TController : ControllerBase
{
areaName = moduleName = null;
string controllerNamespace = typeof(TController).Namespace;
if (string.IsNullOrEmpty(controllerNamespace))
{
throw new ArgumentException("The controller type is not defines a namespace.");
}
foreach (RouteBase route in from r in routes
let ns = RouteHelpers.GetMvcNamespaces(r)
where ns != null && ns.Contains(controllerNamespace)
select r)
{
if (!string.IsNullOrEmpty(areaName) && !string.IsNullOrEmpty(moduleName))
{
break;
}
if (string.IsNullOrEmpty(areaName))
{
areaName = AreaHelpers.GetAreaName(route);
}
if (string.IsNullOrEmpty(moduleName))
{
moduleName = AreaHelpers.GetModuleName(route);
}
}
}
private string GetPath(ControllerContext controllerContext, string[] locations, string[] areaLocations, string[] moduleLocations, string[] moduleAreaLocations, string locationsPropertyName, string name, string controllerName, string cacheKeyPrefix, bool useCache, out string[] searchedLocations)
{
searchedLocations = g_emptyLocations;
if (String.IsNullOrEmpty(name))
{
return(String.Empty);
}
string moduleName = AreaHelpers.GetModuleName(controllerContext.RouteData);
string areaName = AreaHelpers.GetAreaName(controllerContext.RouteData);
bool usingModules = !string.IsNullOrEmpty(moduleName);
bool usingAreas = !String.IsNullOrEmpty(areaName);
List <ViewLocation> viewLocations = GetViewLocations(
locations,
usingModules || !usingAreas ? null : areaLocations,
!usingModules ? null : moduleLocations,
!usingModules || !usingAreas ? null : moduleAreaLocations);
if (viewLocations.Count == 0)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture,
"The property '{0}' cannot be null or empty.", locationsPropertyName));
}
bool nameRepresentsPath = IsSpecificPath(name);
string cacheKey = this.CreateCacheKey(cacheKeyPrefix, name, (nameRepresentsPath) ? String.Empty : controllerName, areaName, moduleName);
if (useCache)
{
// Only look at cached display modes that can handle the context.
string cachedLocation = null;
IEnumerable <IDisplayMode> possibleDisplayModes = DisplayModeProvider.GetAvailableDisplayModesForContext(controllerContext.HttpContext, controllerContext.DisplayMode);
foreach (IDisplayMode displayMode in possibleDisplayModes)
{
cachedLocation = ViewLocationCache.GetViewLocation(controllerContext.HttpContext, this.AppendDisplayModeToCacheKey(cacheKey, displayMode.DisplayModeId));
if (cachedLocation != null)
{
if (controllerContext.DisplayMode == null)
{
controllerContext.DisplayMode = displayMode;
}
break;
}
}
// if cachedLocation is null GetPath will be called again without using the cache.
return(cachedLocation);
}
else
{
return((nameRepresentsPath) ?
this.GetPathFromSpecificName(controllerContext, name, cacheKey, ref searchedLocations) :
this.GetPathFromGeneralName(controllerContext, viewLocations, name, controllerName, areaName, moduleName, cacheKey, ref searchedLocations));
}
}