* in effect only that only the active element is displayed.
* @param elements List of elements in the spinner
* @return
*/
private Spinner addSpinner(List<String> elements){
Spinner spinner = new Spinner(metic);
setFont(spinner);
for (String s : elements) {
spinner.add(s);
}
add(spinner,new MaximalGridLayoutConstraints(ECellPosition.LEFT));
return spinner;
}