private void tblEmployeeMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_tblEmployeeMouseClicked
        int row = tblEmployee.convertRowIndexToModel(tblEmployee.getSelectedRow());
        int personeelsnummer = Integer.parseInt(tblEmployee.getModel().getValueAt(row, 0).toString());
        selectedEmployee = RoosterProgramma.getInstance().getEmployee(personeelsnummer);
        if (evt.getClickCount() == 1) {
            btnDelete.setEnabled(true);
            btnChange.setEnabled(true);
        } else {
            if (isEdit) {
                RoosterProgramma.getInstance().showPanel(new ChAddEmployee(selectedEmployee), this);
            } else {
                Calendar calendar = Calendar.getInstance();
                EmployeeTimeSheet timesheet = new EmployeeTimeSheet(selectedEmployee, calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH) + 1);
                RoosterProgramma.getInstance().showPanel(timesheet, this);
            }
        }
    }//GEN-LAST:event_tblEmployeeMouseClicked