private static IEnumerable <T> FindAllComponents <T>(this IQueryComponentNavigator queryComponentNavigator, IList <Query> searchedQueries) where T : IQueryComponent
{
List <T> result = new List <T>();
Query query = null;
if (queryComponentNavigator is QueryNavigator)
{
query = (Query)queryComponentNavigator.GetQueryComponent();
if ((!searchedQueries.Contains(query)) && (searchedQueries.Count < 2))
{
searchedQueries.Add(query);
if ((query != null) && (query.OwnerQuery != null))
{
result.AddUniqueRange(query.OwnerQuery.GetQueryComponentNavigator().FindAllComponents <T>(searchedQueries));
}
}
else
{
query = null;
}
}
foreach (IQueryComponent component in queryComponentNavigator.GetComponents())
{
if ((typeof(T).IsAssignableFrom(component.GetType())) && (!result.Contains((T)component)))
{
result.Add((T)component);
}
IQueryComponentNavigator componentNavigator = component.GetQueryComponentNavigator();
if ((componentNavigator != null) && ((!(component is Query)) || (!searchedQueries.Contains((Query)component))))
{
result.AddUniqueRange(componentNavigator.FindAllComponents <T>(searchedQueries));
}
}
return(result.AsReadOnly());
}
internal static bool Contains(this IQueryComponentNavigator navigator, IQueryComponent component)
{
bool result = navigator.ContainsComponent(component);
if (!result)
{
foreach (IQueryComponent childComponent in navigator.GetComponents())
{
IQueryComponentNavigator childNavigator = childComponent.GetQueryComponentNavigator();
if (childNavigator != null)
{
bool localResult = childNavigator.Contains(component);
if (localResult)
{
result = localResult;
break;
}
}
}
}
return(result);
}