private static void GenerateLinkItem(List<MenuLink> collection, MenuLink requestedItem, StringBuilder sb, MenuLink menuLink)
{
var linkClass = CheckForRelationship(collection, menuLink, requestedItem) ? "active" : string.Empty;
linkClass += menuLink.HasAccess ? string.Empty : " noAccess";
sb.AppendFormat("<li><a href={0} class=\"{1}\"><span>{2}</span></a>", GetLinkUrl(menuLink), linkClass, menuLink.Name);
if (collection.Any(x => x.ParentId == menuLink.MenuLinkId))
CreateSubLevel(ref sb, collection, menuLink.MenuLinkId, requestedItem);
sb.Append("</li>");
}
static void CreateSubLevel(ref StringBuilder sb, List<MenuLink> collection, int categoryItemId, MenuLink requestedItem)
{
sb.Append("<ul class=\"sublevel\">");
foreach (var subItem in collection.Where(x => x.ParentId == categoryItemId))
{
GenerateLinkItem(collection, requestedItem, sb, subItem);
}
sb.Append("</ul>");
}
public static int? GetParentIdOfRelatedToRequestLevelOrNull(List<MenuLink> collection, int requestedLevel, MenuLink requestedLink)
{
if (requestedLink.ParentId == null || requestedLevel == 1) return null;
var levelItem = requestedLink;
while (requestedLink.ParentId != null)
{
if (levelItem.ItemLevel == requestedLevel) return levelItem.ParentId;
levelItem = collection.First(x => x.MenuLinkId == levelItem.ParentId);
}
return null;
}
public static MvcHtmlString CategoryMenuContent(this HtmlHelper helper, List<MenuLink> collection, int categoryItemId, MenuLink requestedItem)
{
var sb = new StringBuilder();
sb.Append("<ul class=\"sub-menu-block\">");
foreach (var menuLink in collection.Where(x => x.ParentId == categoryItemId))
{
GenerateLinkItem(collection, requestedItem, sb, menuLink);
}
sb.Append("</ul>");
return new MvcHtmlString(sb.ToString());
}
private static void SetAvailableActionLink(MenuLink menuLink)
{
if (menuLink.HasAccess)
{
MenuLink autoLink = GetAvailableActionLink(menuLink);
if (autoLink != null)
{
menuLink.Action = autoLink.Action;
menuLink.Controller = autoLink.Controller;
}
}
}
public static bool CheckForRelationship(List<MenuLink> collection, MenuLink link, MenuLink requestedLink)
{
if (link == null || requestedLink == null || collection == null) return false;
if (link.MenuLinkId == requestedLink.MenuLinkId
|| (requestedLink.Controller == link.Controller && requestedLink.Action == link.Action && string.IsNullOrEmpty(link.TargetId))) return true;
var tempLink = requestedLink;
while (collection.Any(x => x.MenuLinkId == tempLink.ParentId))
{
tempLink = collection.First(x => x.MenuLinkId == tempLink.ParentId);
if (tempLink.MenuLinkId == link.MenuLinkId) return true;
}
return false;
}
private static MenuLink GetAvailableActionLink(MenuLink menuLink)
{
MenuLink autoLink = _menuLinks.FirstOrDefault(m => menuLink.AutoRedirectedMenuId == m.MenuLinkId);
if (autoLink != null && !autoLink.HasAccess)
foreach (var dependedLink in _menuLinks.Where(m => m.ParentId == menuLink.MenuLinkId))
{
if (dependedLink.IsCategory)
autoLink = _menuLinks.FirstOrDefault(m => m.ParentId == dependedLink.MenuLinkId && m.HasAccess);
else if (dependedLink.HasAccess)
autoLink = dependedLink;
if (autoLink != null)
break;
}
return autoLink;
}
static string GetLinkUrl(MenuLink link)
{
return UrlHelper.Action(link.Action, link.Controller, new { target = link.TargetId });
}