public static MvcHtmlString SiteMenuAsUnorderedList(this HtmlHelper helper, List <ISiteLink> siteLinks)
{
if (siteLinks == null || siteLinks.Count == 0)
{
return(MvcHtmlString.Empty);
}
var topLevelParentId = SiteLinkListHelper.GetTopLevelParentId(siteLinks);
return(MvcHtmlString.Create(buildMenuItems(siteLinks, topLevelParentId)));
}
private static string buildMenuItems(List <ISiteLink> siteLinks, int parentId)
{
var parentTag = new TagBuilder("ul");
var childSiteLinks = SiteLinkListHelper.GetChildSiteLinks(siteLinks, parentId);
foreach (var siteLink in childSiteLinks)
{
var itemTag = new TagBuilder("li");
var anchorTag = new TagBuilder("a");
anchorTag.MergeAttribute("href", siteLink.Url);
anchorTag.SetInnerText(siteLink.Text);
if (siteLink.OpenInNewWindow)
{
anchorTag.MergeAttribute("target", "_blank");
}
itemTag.InnerHtml = anchorTag.ToString();
if (SiteLinkListHelper.SiteLinkHasChildren(siteLinks, siteLink.Id))
{
itemTag.InnerHtml += buildMenuItems(siteLinks, siteLink.Id);
}
parentTag.InnerHtml += itemTag;
}
return(parentTag.ToString());
}
