public static void Sort(this IEnumerable <Timeline> timelines, ListSortCategory category, ListSortDirection direction)
{
foreach (var timeline in timelines)
{
timeline.Sort(category, direction);
}
}
public void Sort(ListSortCategory category, ListSortDirection direction)
{
lock (_thisLock)
{
View.SortDescriptions.Clear();
View.SortDescriptions.Add(new SortDescription(category.ToPropertyPath(), direction));
if (category != ListSortCategory.CreatedAt)
{
View.SortDescriptions.Add(new SortDescription(ListSortCategory.CreatedAt.ToPropertyPath(), direction));
}
View.SortDescriptions.Add(new SortDescription(ListSortCategory.Id.ToPropertyPath(), direction));
}
}
public static string ToPropertyPath(this ListSortCategory category)
{
switch (category)
{
case ListSortCategory.Id:
return("ID");
case ListSortCategory.CreatedAt:
return("CreatedAt");
case ListSortCategory.ScreenName:
return("Sender.ScreenName");
default:
return(string.Empty);
}
}
