private void isInsertModeChanged(ObservableStateListener.PropertyChangeEvent event) {
    assertIsDispatchThread();

    Object oldValue = extractOldValueOrLog(event, false);
    myPropertyChangeSupport.firePropertyChange(PROP_INSERT_MODE, oldValue, event.getNewValue());

    myCaretCursor.repaint();
  }
private void isInsertModeChanged(ObservableStateListener.PropertyChangeEvent event)