private boolean isEncodingModified() {
    EncodingManager encodingManager = EncodingManager.getInstance();

    EncodingReference defaultEncoding = EncodingReference.DEFAULT;
    if (encodingManager instanceof EncodingManagerImpl) {
      defaultEncoding = ((EncodingManagerImpl)encodingManager).getDefaultConsoleEncodingReference();
    }

    EncodingReference consoleEncoding = myEncodingComboBox.getSelectedEncodingReference();
    return !defaultEncoding.equals(consoleEncoding);
  }
private boolean isEncodingModified()