public static T Merge <T>(this T target, T source, Func <T, IEnumerable <T> > GetChildren = null) where T : INavigationMenu <T>
{
if (GetChildren != null)
{
target.Children.Clear();
foreach (T child in GetChildren.Invoke(target).ToList())
{
target.Children.Add(child);
}
}
foreach (T thisNav in source.Children.ToList())
{
INavigationMenu <T> existingNav = target.Children.Where(n => n.Uri == thisNav.Uri).FirstOrDefault();
if (existingNav == null)
{
target.AddChild(thisNav);
}
else
{
Merge((T)existingNav, thisNav, GetChildren);
}
}
return(target);
}
public NavigationMenuController(INavigationMenu localVar)
{
_local = localVar;
}
