public static <T> T showChoicePopup(
String title, String header, String content, List<T> choiceList) {
T retVal = null;
ChoiceDialog<T> dialog = new ChoiceDialog<>(choiceList.get(0), choiceList);
dialog.setTitle(title);
dialog.setHeaderText(header);
dialog.setContentText(content);
Optional<T> result = dialog.showAndWait();
if (!result.equals(Optional.<T>empty())) {
retVal = result.get();
}
return retVal;
}
