private static MvcHtmlString BuildRouteLink(this HtmlHelper htmlHelper, string linkText, string routeName, object routeValues = null, object htmlAttributes = null, string surroundUsing = "li", object surrounderAttributes = null, bool detectAndMarkAsActive = true, string activeClassName = "active", MvcHtmlString innerHtml = null)
{
var isCurrentRequest = false;
if (detectAndMarkAsActive)
{
isCurrentRequest = IsCurrentRequest(new UrlHelper(htmlHelper.ViewContext.RequestContext), routeName);
}
var htmlAttributesDictionary = RouteValueDictionaryExtensions.Convert(htmlAttributes);
if (isCurrentRequest && string.IsNullOrEmpty(surroundUsing))
{
if (htmlAttributesDictionary.ContainsKey("class"))
{
htmlAttributesDictionary["class"] += string.Concat(" ", activeClassName);
}
else
{
htmlAttributesDictionary.Add("class", activeClassName);
}
}
var link = htmlHelper.RouteLink(linkText, routeName, RouteValueDictionaryExtensions.Convert(routeValues), htmlAttributesDictionary);
if (string.IsNullOrEmpty(surroundUsing))
{
return(link);
}
var tag = new TagBuilder(surroundUsing);
tag.MergeAttributes(RouteValueDictionaryExtensions.Convert(surrounderAttributes));
if (isCurrentRequest)
{
tag.AppendAttribute("class", activeClassName);
}
tag.InnerHtml = link.ToHtmlString();
if (innerHtml != null)
{
tag.InnerHtml += innerHtml;
}
return(new MvcHtmlString(tag.ToString(TagRenderMode.Normal)));
}
