public static NavigationRouteBuilder MapNavigationRoute <T>(this RouteCollection routes, string displayName, Expression <Func <T, ActionResult> > action) where T : IController
{
var newRoute = new NamedRoute("", "", new MvcRouteHandler());
newRoute.ToDefaultAction(action);
newRoute.DisplayName = displayName;
routes.Add(newRoute.Name, newRoute);
return(new NavigationRouteBuilder(routes, newRoute));
}
public static void MapNavigationRoute(this RouteCollection routes, string name, string url, object defaults,
object constraints = null)
{
var newRoute = new NamedRoute(name, url, new MvcRouteHandler())
{
Defaults = new RouteValueDictionary(defaults), Constraints = new RouteValueDictionary(constraints)
};
routes.Add(name, newRoute);
}
public static NavigationRouteBuilder AddChildRoute <T>(this NavigationRouteBuilder builder, string DisplayText, Expression <Func <T, ActionResult> > action) where T : IController
{
var childRoute = new NamedRoute("", "", new MvcRouteHandler());
childRoute.ToDefaultAction <T>(action);
childRoute.DisplayName = DisplayText;
childRoute.IsChild = true;
builder._parent.Children.Add(childRoute);
builder._routes.Add(childRoute.Name, childRoute);
return(builder);
}
public static NamedRoute ToDefaultAction <T>(this NamedRoute route, Expression <Func <T, ActionResult> > action) where T : IController
{
var body = action.Body as MethodCallExpression;
if (body == null)
{
throw new ArgumentException("Expression must be a method call");
}
if (body.Object != action.Parameters[0])
{
throw new ArgumentException("Method call must target lambda argument");
}
string actionName = body.Method.Name;
// check for ActionName attribute
var attributes = body.Method.GetCustomAttributes(typeof(ActionNameAttribute), false);
if (attributes.Length > 0)
{
var actionNameAttr = (ActionNameAttribute)attributes[0];
actionName = actionNameAttr.Name;
}
string controllerName = typeof(T).Name;
if (controllerName.EndsWith("Controller", StringComparison.OrdinalIgnoreCase))
{
controllerName = controllerName.Remove(controllerName.Length - 10, 10);
}
;
route.Defaults = LinkBuilder.BuildParameterValuesFromExpression(body) ?? new RouteValueDictionary();
foreach (var pair in route.Defaults.Where(x => x.Value == null).ToList())
{
route.Defaults.Remove(pair.Key);
}
route.Defaults.Add("controller", controllerName);
route.Defaults.Add("action", actionName);
route.Url = CreateUrl(actionName, controllerName);
route.Name = "Navigation-" + controllerName + "-" + actionName;
if (route.DataTokens == null)
{
route.DataTokens = new RouteValueDictionary();
}
route.DataTokens.Add("Namespaces", new string[] { typeof(T).Namespace });
return(route);
}
public static void MapNavigationRoute(this RouteCollection routes, string name, string displayName, string url,
object defaults,
string[] namespaces,
object constraints = null)
{
var newRoute = new NamedRoute(name, displayName, url, new MvcRouteHandler())
{
Defaults = new RouteValueDictionary(defaults),
Constraints = new RouteValueDictionary(constraints),
DataTokens = new RouteValueDictionary()
};
if (namespaces != null && namespaces.Length > 0)
{
newRoute.DataTokens["Namespaces"] = namespaces;
}
routes.Add(name, newRoute);
}
public static MvcHtmlString NavigationListItemRouteLink(this HtmlHelper html, NamedRoute route)
{
var li = new TagBuilder("li")
{
InnerHtml = html.RouteLink(route.DisplayName, route.Name).ToString()
};
if (CurrentRouteMatchesName(html, route.Name))
{
li.AddCssClass("active");
}
if (route.Children.Count() > 0)
{
//TODO: create a UL of child routes here.
li.AddCssClass("dropdown");
li.InnerHtml = "<a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\">" + route.DisplayName + "<b class=\"caret\"></b></a>";
var ul = new TagBuilder("ul");
ul.AddCssClass("dropdown-menu");
foreach (var child in route.Children)
{
var childLi = new TagBuilder("li");
childLi.InnerHtml = html.RouteLink(child.DisplayName, child.Name).ToString();
ul.InnerHtml += childLi.ToString();
}
//that would mean we need to make some quick
li.InnerHtml = "<a href='#' class='dropdown-toggle' data-toggle='dropdown'>" + route.DisplayName + " <b class='caret'></b></a>" + ul.ToString();
}
return(MvcHtmlString.Create(li.ToString(TagRenderMode.Normal)));
}
public NavigationRouteBuilder(RouteCollection routes, NamedRoute parent)
{
_routes = routes;
_parent = parent;
}