firePropertyChange(EDITOR_CHANGED_PROPERTY, oldEditor, editor);
firePropertyChange("editor", oldEditor, editor);
  public void setEditor(ComboBoxEditor newEditor)  {    if (editor == newEditor)      return;    if (editor != null)      editor.removeActionListener(this);    ComboBoxEditor oldEditor = editor;    editor = newEditor;    if (editor != null)      editor.addActionListener(this);    firePropertyChange(EDITOR_CHANGED_PROPERTY, oldEditor, editor);  }