ComboBoxEditor cbe = comboBox.getEditor(); if (cbe != null) { cbe.getEditorComponent().setFont(null); cbe.setItem(null); cbe.removeActionListener(comboBox); }
super.unconfigureEditor(); if (focusListener != null) editor.removeFocusListener(focusListener);
  public void unconfigureEditor()  {    ComboBoxEditor cbe = comboBox.getEditor();    if (cbe != null)      {        cbe.getEditorComponent().setFont(null);        cbe.setItem(null);        cbe.removeActionListener(comboBox);      }  }