internal static Comparison <FacebookContact> GetComparison(ContactSortOrder value)
{
switch (value)
{
case ContactSortOrder.AscendingByBirthday: return(_ascendingByBirthdayComparison);
case ContactSortOrder.AscendingByDisplayName: return(_ascendingByDisplayNameComparison);
case ContactSortOrder.AscendingByInterestLevel: return(_ascendingByInterestLevelComparison);
case ContactSortOrder.AscendingByLastName: return(_ascendingByLastNameComparison);
case ContactSortOrder.AscendingByOnlinePresence: return(_ascendingByOnlinePresenceComparison);
case ContactSortOrder.AscendingByRecentActivity: return(_ascendingByRecentActivityComparison);
case ContactSortOrder.DescendingByBirthday: return(_descendingByBirthdayComparison);
case ContactSortOrder.DescendingByDisplayName: return(_descendingByDisplayNameComparison);
case ContactSortOrder.DescendingByInterestLevel: return(_descendingByInterestLevelComparison);
case ContactSortOrder.DescendingByLastName: return(_descendingByLastNameComparison);
case ContactSortOrder.DescendingByOnlinePresence: return(_descendingByOnlinePresenceComparison);
case ContactSortOrder.DescendingByRecentActivity: return(_descendingByRecentActivityComparison);
default: Assert.Fail(); return(_defaultComparison);
}
}
private void _SelectActiveSortOrder()
{
if (SortOrderMode == SortOrderMode.Contacts)
{
ContactSortOrder sortOrder = ServiceProvider.ViewManager.ActiveContactSortOrder;
foreach (SortControlItem item in SortTabs.ItemsSource)
{
if (item.ContactSortOrder == sortOrder)
{
SortTabs.SelectedItem = item;
break;
}
}
}
else
{
PhotoAlbumSortOrder sortOrder = ServiceProvider.ViewManager.ActivePhotoAlbumSortOrder;
foreach (SortControlItem item in SortTabs.ItemsSource)
{
if (item.PhotoAlbumSortOrder == sortOrder)
{
SortTabs.SelectedItem = item;
break;
}
}
}
}
/// <summary>
/// Sorts the items of a sequence according to a key.
/// </summary>
public static IQueryable <ProjectContact> OrderBy(this IQueryable <ProjectContact> query, ContactSortOrder orderBy)
{
if (orderBy == ContactSortOrder.Recent)
{
return(query.OrderByDescending(p => p.ModifiedDate));
}
if (orderBy == ContactSortOrder.Name)
{
return(query.OrderBy(p => p.Email.Name));
}
return(query.OrderBy(p => p.Id));
}
