firePropertyChange(LOCALIZE_IMAGE_DISPLAY, oldObject, newObject);
firePropertyChange(ClipBoard.LOCALIZE_IMAGE_DISPLAY, oldObject, newObject);
    void setSelectedNode()    {        DefaultMutableTreeNode node =            (DefaultMutableTreeNode) getLastSelectedPathComponent();        if (selectedNode == node) return;        ImageDisplay  newObject = (ImageDisplay) node.getUserObject();        ImageDisplay  oldObject = null;        if (selectedNode != null)            oldObject = (ImageDisplay) selectedNode.getUserObject();        firePropertyChange(LOCALIZE_IMAGE_DISPLAY, oldObject, newObject);        selectedNode = node;    }