Thread.dumpStack();
  public void setEditable(boolean editable) {    if (editable == this.editable) return;    this.editable = editable;    System.err.println("new editable " + editable);    Thread.dumpStack();    for (int i = 0; i < getComponentCount(); i++)      getComponent(i).setEditable(editable);    fireModification();  }