code: public void setIsSeries(Boolean isSeries) {
  
          if (null != isSeries) {
              final boolean series = isSeries.booleanValue();
              if ((null != m_model.getParentSeriesId()) && series) {
                  m_removeSeriesBindingConfirmDialog.show(new Command() {
  
                      public void execute() {
  
                          m_model.setParentSeriesId(null);
                          setPattern(PatternType.DAILY.toString());
  
                      }
                  });
              } else {
                  setPattern(series ? PatternType.DAILY.toString() : PatternType.NONE.toString());
              }
          }
      }
docs: Toggle between single events and series.
  @param isSeries flag, indicating if we want a series of events.