@Override
      public void itemStateChanged(ItemEvent e) {
        if (e.getStateChange() == ItemEvent.SELECTED) {
          final SchemaType type = getOutputType();
          myPropertyChangeSupport.firePropertyChange(OUTPUT_TYPE, null, type);
          myLineLength.setEnabled(type == SchemaType.DTD || type == SchemaType.RNC);
        }
      }
@Override
      public void itemStateChanged(ItemEvent e)