Quintiq file version 2.0
#parent: lstSubscribers_537
Response OnSelectionChanged (
  LibCal_Calendar selection
) id:Response_lstSubscribers_537_OnSelectionChanged
{
  #keys: '[415136.0.647401559]'
  CanBindMultiple: false
  DefinitionID: 'Responsedef_WebList_OnSelectionChanged'
  QuillAction
  {
    Body:
    [*
      // Initialize the list by setting the checkmark for the subscribing calendars when this has not been done before.
      // This should only be done when OnSelectionChanged is executed for the first time.
      if( lblIsInitialized.Text() = "false" )
      {
        // Get the calendars of the subscriptions.
        calendars := selectset( dhEvent.Data(), LeadingParticipation.Subscription.Calendar, calendar, true, true ).Unique();
        
        traverse( calendars, Elements, subscriber )
        {
          lstSubscribers.ExtendCheckByKey( subscriber.Key() );
        }
          
        // Register that the list has been initialized.
        lblIsInitialized.Text( "true" );
      }
    *]
    GroupServerCalls: false
  }
}
