/// <summary>
/// Adds the calendar link.
/// </summary>
/// <param name="folder">The folder.</param>
/// <param name="calendar">The calendar.</param>
/// <returns></returns>
public static CalendarInfo AddCalendarLink(CalendarFolder folder, Calendar calendar)
{
if (folder == null)
{
throw new ArgumentNullException("CalendarFolder");
}
if (calendar == null)
{
throw new ArgumentNullException("Calendar");
}
if (!folder.GetTreeService().CurrentNode.IsAttached)
{
throw new ArgumentException("The folder is detached from tree.", "folder");
}
//Step 1. Determine for already exist link
CalendarFolderLink[] links = CalendarFolderLink.List(new FilterElement("CalendarId",
FilterElementType.Equal,
calendar.PrimaryKeyId.Value),
new FilterElement("FolderId",
FilterElementType.Equal,
folder.PrimaryKeyId.Value));
if (links.Length != 0)
{
Calendar cal = new Calendar(links[0].CalendarId);
return(new CalendarInfo(cal, links[0]));
}
CalendarFolderLink link = null;
using (TransactionScope tran = DataContext.Current.BeginTransaction())
{
// Step 2. Create New CalendarFolderLink
link = new CalendarFolderLink();
link.CalendarId = calendar.PrimaryKeyId.Value;
link.FolderId = folder.PrimaryKeyId.Value;
// Raise List Creating Event
RaiseEvent(CalendarLinkCreating, link, EventArgs.Empty);
// Add additional parameters
link.Save();
// Raise List Created Event
RaiseEvent(CalendarLinkCreated, link, EventArgs.Empty);
// Step. Commit Transaction Return new list info
tran.Commit();
}
return(new CalendarInfo(calendar, link));
}
/// <summary>
/// Deletes the link directly.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="args">The <see cref="System.EventArgs"/> instance containing the event data.</param>
internal static void DeleteLinkDirectly(object sender, EventArgs args)
{
Calendar calendar = sender as Calendar;
if (calendar != null)
{
CalendarFolderLink[] links =
CalendarFolderLink.List(new FilterElement("CalendarId",
FilterElementType.Equal,
calendar.PrimaryKeyId.Value));
foreach (CalendarFolderLink link in links)
{
link.Delete();
}
}
}
/// <summary>
/// Lists the specified folder id.
/// </summary>
/// <param name="folderId">The folder id.</param>
/// <returns></returns>
public static CalendarInfo[] GetCalendars(int folderId)
{
List <CalendarInfo> retVal = new List <CalendarInfo>();
// Load primary list
Calendar [] calendars = Calendar.List(new FilterElement("CalendarFolderId",
FilterElementType.Equal, folderId));
List <CalendarFolderLink> links = new List <CalendarFolderLink>
(CalendarFolderLink.List(new FilterElement("FolderId",
FilterElementType.Equal, folderId)));
//Get primary calendar
foreach (Calendar calendar in calendars)
{
CalendarInfo newItem = new CalendarInfo(calendar, null);
foreach (CalendarFolderLink link in new List <CalendarFolderLink>(links))
{
//remove duplicate
if (link.CalendarId == calendar.PrimaryKeyId.Value)
{
links.Remove(link);
}
}
retVal.Add(newItem);
}
//Get links
foreach (CalendarFolderLink link in links)
{
Calendar calendar = new Calendar(link.CalendarId);
CalendarInfo newItem = new CalendarInfo(calendar, link);
retVal.Add(newItem);
}
return(retVal.ToArray());
}
