scaler.setMinHourHeight(hourScaler.getValue());
planPlacement.removeAll();
realPlacement.removeAll();
SheduleProrumbleLocal spl = new SheduleProrumbleLocal(collaborator);
SheduleIndividualLocal sil = new SheduleIndividualLocal(collaborator);
SheduleHelper sh = new SheduleHelper(spl, sil);
SheduledDay sheduledDay = sh.getSheduledDay(new Day(cal.getTimeInMillis()));
if(!sheduledDay.isWorking()) {