styleAsParent.getActionModel().setGroup(group);
styleGroupButton.setPopupCallback(new PopupPanelCallback() {
public JPopupPanel getPopupPanel(JCommandButton commandButton) {
JCommandPopupMenu popupmenu = new JCommandPopupMenu();
popupmenu.addMenuButton(styleAsParent);
popupmenu.addMenuButton(styleLinear);
popupmenu.addMenuButton(styleBezier);
popupmenu.addMenuButton(styleSharpLinear);
popupmenu.addMenuButton(styleSharpBezier);
popupmenu.addMenuButton(styleHorizontal);