Quintiq file version 2.0
#parent: #root
Method UpdateDuration () id:Method_LibCal_dlgEvent_UpdateDuration
{
  #keys: '[131094.0.992053406]'
  Body:
  [*
    duration := Duration::Zero();
    timezone := TimeZone::UTCTimeZone();  // Use the UTC-timezone here, don't correct for a specific timezone.  
    
    // Always use the controls on pnlIsNotRecurring for calculating the duration, also in case of recurrence. 
    // These controls are always kept up-to-date, also when the time-controls on pnlIsRecurring are changed.
    if( datStartDate.Date().IsFinite() and durStartTimeOfDay.Duration().IsFinite() and
        datEndDate  .Date().IsFinite() and durEndTimeOfDay  .Duration().IsFinite() )
    {
      // Don't use AddAsPeriod here, the 'nett' duration should be calculated here.
      start := datStartDate.Date().Add( timezone, durStartTimeOfDay.Duration() );
      end   := datEndDate  .Date().Add( timezone, durEndTimeOfDay  .Duration() );
    
      duration := end - start;
    }
    
    // When running in days only mode, ceil the duration to a full day.
    if( LibCal_Event::USE_ONLY_DAYS() )
    {
      duration := duration.Ceil( Duration::Days( 1 ) );
    }
    
    // Update the ValueHolder, which will update the labels that show the duration.
    vhDuration.Data( duration );
  *]
}