private void fillFields() {
        tfEmployeeNumber.setText(Integer.toString(employee.getEmployeeNumber()));
        tfFirstName.setText(employee.getFirstName());
        tfInsertion.setText(employee.getInsertion());
        tfFamilyName.setText(employee.getFamilyName());
        if (employee.isClerk()) {
            cbClerk.setSelected(true);
        } else if (employee.isMuseumEducator()) {
            cbMuseumEducator.setSelected(true);
        } else {
            cbOther.setSelected(true);
        }
        if (employee.isPartTime()) {
            cbPartTime.setSelected(true);
            tfHours.setText(Double.toString(employee.getContractHours()));
        } else if (employee.isCallWorker()) {
            cbCallWorker.setSelected(true);
            tfHours.setText(Double.toString(employee.getContractHours()));
        } else {
            cbFullTime.setSelected(true);
        }
    }