final PopupMenuButton switcher = new PopupMenuButton();
final ArrayListModel<Palette> palettes = manager.colorManager.getPalettes();
switcher.setModel(palettes);
Button addButton = new Button("+");
addButton.onClicked(new Callback<ActionEvent>() {
public void call(ActionEvent actionEvent) throws Exception {
if(!palettes.get(switcher.getSelectedIndex()).isEditable()) {
return;
}
final Stage dialog = Stage.createStage();