public override void OnActionExecuting(ActionExecutingContext filterContext)
{
UrlHelper url = new UrlHelper(filterContext.RequestContext);
var controller = filterContext.Controller.ToString().Split('.').Last().Replace("Controller", "");
var action = filterContext.ActionDescriptor.ActionName;
var area = (string)filterContext.HttpContext.Request.RequestContext.RouteData.DataTokens["area"] ?? string.Empty;
SimpleSiteMapModel simpleBreadcrumb = new SimpleSiteMapModel();
simpleBreadcrumb.Label = label;
simpleBreadcrumb.URL = url.Action(action, controller, new { Area = area, id = "" });
var parent = PopulateParent(filterContext, this.parentController, this.parentArea, this.parentAction);
//If is the first one
simpleBreadcrumb.SimpleSiteMapControllerParent = (parent.URL == simpleBreadcrumb.URL) ? null : parent;
var configurations = (SimpleSiteMapControllerConfiguration)filterContext.HttpContext.Application["SimpleSiteMapControllerConfiguration"];
//var ViewData = filterContext.Controller.ViewData;
//ViewData[configurations.ViewSimpleSiteMapControllerBreadcrumbName] = simpleBreadcrumb;
HttpContext.Current.Items.Add(configurations.ViewSimpleSiteMapControllerBreadcrumbName, simpleBreadcrumb);
}
public SimpleSiteMapModel PopulateParent(ActionExecutingContext filterContext, string parentController, string parentArea, string parentAction)
{
if (string.IsNullOrWhiteSpace(parentController))
{
return(PopulateParentDefault(filterContext));
}
SimpleSiteMapModel simpleSiteMapController = new SimpleSiteMapModel();
UrlHelper url = new UrlHelper(filterContext.RequestContext);
var controller = parentController;
var action = parentAction;
var area = parentArea ?? string.Empty;
simpleSiteMapController.URL = url.Action(action, controller, new { Area = area, id = "" });
var type = typeof(Controller);
var selectedClass = AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(s => s.GetTypes())
.Where(p => type.IsAssignableFrom(p) &&
p.Name == parentController + "Controller" &&
(
(
string.IsNullOrWhiteSpace(parentArea) && p.Namespace.Contains("Areas") == false
) ||
(
!string.IsNullOrWhiteSpace(parentArea) && p.Namespace.Contains("Areas") && p.Namespace.Contains(parentArea)
)
)
).ToList();
if (selectedClass == null || selectedClass.Count == 0)
{
throw new Exception("SimpleSiteMapController: Parent node not found.");
}
if (selectedClass.Count > 1)
{
throw new Exception("SimpleSiteMapController: A Child node cannot have more than one Parent.");
}
var selectedMethodList = selectedClass.First().GetMethods().Where(d => d.Name.ToLower() == action.ToLower()).ToList();
if (selectedMethodList == null || selectedMethodList.Count == 0)
{
throw new Exception("SimpleSiteMapController: Child method not defined or found.");
}
List <object> attributes = new List <object>();
foreach (var selectedMethodItem in selectedMethodList)
{
attributes.AddRange(selectedMethodItem.GetCustomAttributes(false));
}
var attribute = attributes.Where(d => d.GetType() == typeof(SimpleSiteMapControllerAttribute)).ToList();
if (attribute == null)
{
throw new Exception("SimpleSiteMapController: Attributes not found.");
}
if (attribute.Count > 1)
{
throw new Exception("SimpleSiteMapController: An ActionResult method cannot have more than one SimpleSiteMapControllerAttribute");
}
var attributeSelected = (SimpleSiteMapControllerAttribute)attribute.First();
simpleSiteMapController.Label = attributeSelected.Label;
simpleSiteMapController.SimpleSiteMapControllerParent = PopulateParent(filterContext, attributeSelected.ParentController, attributeSelected.ParentArea, attributeSelected.ParentAction);
return(simpleSiteMapController);
}
