private List<Ticket> getSelectedTickets() {
List<Ticket> selectedTickets = openTicketList.getSelectedTickets();
if (selectedTickets.size() == 0) {
POSMessageDialog.showMessage("Silahkan pilih sedikitnya satu tiket");
return null;
}
return selectedTickets;
}
private Ticket getFirstSelectedTicket() {
List<Ticket> selectedTickets = openTicketList.getSelectedTickets();
if (selectedTickets.size() == 0 || selectedTickets.size() > 1) {
POSMessageDialog.showMessage("Silahkan pilih tiket");
return null;
}
return selectedTickets.get(0);
}