public void Push(ActionExecutingContext context, string label)
{
var key =
context.HttpContext.Request.Url.LocalPath
.ToLower()
.GetHashCode();
if (Crumbs.Any(x => x.Key == key))
{
var newCrumbs = new List<StateEntry>();
var remove = false;
// We've seen this route before, maybe user clicked on a breadcrumb
foreach (var crumb in Crumbs)
{
if (crumb.Key == key)
{
remove = true;
}
if (!remove)
{
newCrumbs.Add(crumb);
}
}
Crumbs = newCrumbs;
}
Current = new StateEntry().WithKey(key)
.SetContext(context)
.WithUrl(context.HttpContext.Request.Url.ToString())
.WithLabel(label);
Crumbs.Add(Current);
}
public static void Add(string url, string label)
{
// get a key for the Url.
var key =
url
.ToLower()
.GetHashCode();
var current = new StateEntry().WithKey(key)
.WithUrl(url)
.WithLabel(label);
StateManager.GetState(SessionProvider.SessionId).Crumbs.Add(current);
}
private void Add(string url, string label, Type resourceType = null, ActionExecutingContext actionContext = null)
{
var key = url.ToLowerInvariant().GetHashCode();
// when pushing entries into the list determine their level in hierarchy so that
// deeper links are added to the end of the list
int levels = BreadCrumb.HierarchyProvider.GetLevel(url);
if (Crumbs.Any(x => x.Key == key))
{
var newCrumbs = new SortedSet <StateEntry>(new StateEntryComparer());
var remove = false;
// We've seen this route before, maybe user clicked on a breadcrumb
foreach (var crumb in Crumbs)
{
if (crumb.Key == key)
{
remove = true;
}
if (!remove)
{
newCrumbs.Add(crumb);
}
}
Crumbs = newCrumbs;
}
Current = new StateEntry()
.WithKey(key)
.SetContext(actionContext)
.WithUrl(url)
.WithLevel(levels)
.WithLabel(ResourceHelper.GetResourceLookup(resourceType, label));
Crumbs.Add(Current);
}
public bool Equals(StateEntry obj)
{
if (GetHashCode() != obj.GetHashCode()) return false;
return Url.Equals(obj.Url, StringComparison.InvariantCultureIgnoreCase);
}
