private string GetPathFromGeneralName(ControllerArgs controllerContext, ViewType viewType, string name)
{
var virtualPath = string.Empty;
var locations = ViewLocations.Where(x => x.ViewType == viewType).ToList();
if ((locations == null) || (locations.Count == 0))
{
throw new InvalidOperationException("locations must not be null or emtpy.");
}
List <string> sl = new List <string>(locations.Count);
foreach (var loc in locations)
{
virtualPath = loc.GetPath(controllerContext, name);
if (FileExists(controllerContext, virtualPath))
{
ViewLocationCache.InsertViewLocation(controllerContext.HttpContext, controllerContext.GetChacheKey(viewType, name), virtualPath);
return(virtualPath);
}
sl.Add(virtualPath);
}
var str = string.Join("\n", sl);
throw new DirectoryNotFoundException(str);
}
public string GetPath(ControllerArgs args, string viewName)
{
if (Themed)
{
switch (ViewType)
{
case ViewType.MasterPage:
return(string.Format(Path, args.RouteName, args.ThemeName, args.ControllerName, viewName));
case ViewType.View:
return(string.Format(Path, args.RouteName, args.ThemeName, args.ControllerName, viewName));
case ViewType.Partial:
return(string.Format(Path, args.RouteName, args.ThemeName, args.ControllerName, viewName));
default:
throw new Exception();
}
}
switch (ViewType)
{
case ViewType.MasterPage:
return(string.Format(Path, args.Area, args.ControllerName, viewName));
case ViewType.View:
return(string.Format(Path, args.Area, args.ControllerName, viewName));
case ViewType.Partial:
return(string.Format(Path, args.Area, args.ControllerName, viewName));
default:
throw new Exception();
}
}
public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
{
if (string.IsNullOrEmpty(viewName))
{
throw new ArgumentException("viewName must be specified.", "viewName");
}
ControllerArgs controllerArgs = new ControllerArgs(controllerContext);
var viewPath = GetPath(controllerArgs, ViewType.View, viewName, useCache);
string masterPath = string.Empty;
if (!string.IsNullOrEmpty(masterName))
{
masterPath = GetPath(controllerArgs, ViewType.MasterPage, masterName, useCache);
}
if (!string.IsNullOrEmpty(viewPath) && (!string.IsNullOrEmpty(masterPath) || string.IsNullOrEmpty(masterName)))
{
return(new ViewEngineResult(CreateView(controllerContext, viewPath, masterPath), this));
}
throw new DirectoryNotFoundException(string.Format("Вьюха {1} не найдена для {0} ", controllerArgs.ControllerName, viewName));
}
private string GetPathFromSpecificName(ControllerArgs controllerContext, ViewType viewType, string name)
{
var virtualPath = name;
if (!FileExists(controllerContext, name))
{
throw new Exception(virtualPath);
}
ViewLocationCache.InsertViewLocation(controllerContext.HttpContext, controllerContext.GetChacheKey(viewType, name), virtualPath);
return(virtualPath);
}
public override ViewEngineResult FindPartialView(ControllerContext controllerContext, string partialViewName, bool useCache)
{
if (string.IsNullOrEmpty(partialViewName))
{
throw new ArgumentException(@"partialViewName must be specified.", "partialViewName");
}
var con = new ControllerArgs(controllerContext);
var partialViewPath = GetPath(con, ViewType.Partial, partialViewName, useCache);
return(new ViewEngineResult(CreatePartialView(controllerContext, partialViewPath), this));
}
private bool FileExists(ControllerArgs controllerContext, string virtualPath)
{
try
{
return(File.Exists(controllerContext.HttpContext.Server.MapPath(virtualPath)));
}
catch (HttpException exception)
{
if (exception.GetHttpCode() != 0x194)
{
throw;
}
return(false);
}
catch
{
return(false);
}
}
private string GetPath(ControllerArgs controllerContext, ViewType viewType, string name, bool useCache)
{
if (string.IsNullOrEmpty(name))
{
throw new Exception("Имя вида не задано");
}
if (!useCache)
{
return(IsSpecificPath(name)
? GetPathFromSpecificName(controllerContext, viewType, name)
: GetPathFromGeneralName(controllerContext, viewType, name));
}
string key = controllerContext.GetChacheKey(viewType, name);
var viewLocation = ViewLocationCache.GetViewLocation(controllerContext.HttpContext, key);
return(viewLocation ?? (IsSpecificPath(name)
? GetPathFromSpecificName(controllerContext, viewType, name)
: GetPathFromGeneralName(controllerContext, viewType, name)));
}
