public async Task NavigateAsync(DavItem item)
{
if (item == null)
{
return;
}
if (BackStack.FirstOrDefault(x => x.EntityId == item.EntityId) != null)
{
var backStackItem = BackStack.FirstOrDefault(x => x.EntityId == item.EntityId);
int index = BackStack.IndexOf(backStackItem);
var list = BackStack.ToList();
list.RemoveRange(index + 1, BackStack.Count - index - 1);
BackStack = list.ToObservableCollection();
ForwardStack.Clear();
CurrentItem = backStackItem;
}
else
{
BackStack.Add(item);
ForwardStack.Remove(item);
CurrentItem = item;
}
await ReloadAsync();
}
public static bool ExistedInBackEntry(Type pageType)
{
var page = BackStack.FirstOrDefault(entry => entry.SourcePageType == pageType);
return(page != null);
}