C:/Private/OSS/n2cms/github/n2cms/src/Framework/Extensions/Web/Mvc/ContentRouteOfT.cs

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using System.Web;
using System.Web.Routing;
using N2.Engine;
using System.Web.Mvc;

namespace N2.Web.Mvc
{
        public class ContentRoute<T> : ContentRoute, IRouteWithArea where T : ContentItem
        {
                IEngine engine;

                public ContentRoute(IEngine engine)
                        : base(engine)
                {
                        this.engine = engine;
                }

                public ContentRoute(IEngine engine, IRouteHandler routeHandler, IControllerMapper controllerMapper, Route innerRoute)
                        : base(engine, routeHandler, controllerMapper, innerRoute)
                {
                        this.engine = engine;
                        if (innerRoute.DataTokens.ContainsKey("area"))
                                this.Area = innerRoute.DataTokens["area"] as string;
                }

                public override RouteValueDictionary GetRouteValues(ContentItem item, RouteValueDictionary routeValues)
                {
                        if(item is T)
                                return base.GetRouteValues(item, routeValues);
                        return null;
                }

                public override RouteData GetRouteData(HttpContextBase httpContext)
                {
                        var rd = base.GetRouteData(httpContext);

                        if(rd != null && rd.CurrentItem() is T)
                                // don't route items of the wrong type
                                return rd;

                        return null;
                }

                public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values)
                {

                        var item = values.CurrentItem<T>(ContentItemKey, engine.Persister)
                                ?? requestContext.CurrentItem<T>();

                        // only supply path to items of the correct type
                        if (!(item is T))
                                return null;

                        values = new RouteValueDictionary(values);
                        values[AreaKey] = Area;
                        var vpd = base.GetVirtualPath(requestContext, values);

                        if (vpd != null && Area != null)
                                vpd.DataTokens[AreaKey] = Area;

                        return vpd;
                }

                #region IRouteWithArea Members

                string area;
                public string Area
                {
                        get { return area; }
                        protected set { area = value; }
                }

                #endregion
        }
}