public void lostOwnership(Clipboard clipboard, Transferable contents) {
clipboardOwner = false;
for (int i = 0, n = listFrameList.size(); i < n; i++) {
ListFrame listFrame = (ListFrame) listFrameList.get(i);
listFrame.disablePasteAction();
}
}
public ListFrame newListFrame() {
return newListFrame(new JXL());