private void initMouse() {
        try {
            if (!jTextField1.getText().equals("")) {
                listVarInt.put("nbSourisG", Integer.parseInt(jTextField1.getText()));
            } else {
                listVarInt.put("nbSourisG", 0);
            }
            if (!jTextField2.getText().equals("")) {
                listVarInt.put("nbSourisD", Integer.parseInt(jTextField2.getText()));
            } else {
                listVarInt.put("nbSourisD", 0);
            }
        } catch (NumberFormatException e) {
            System.err.println("Pas de souris entree");
        }
        listVarInt.put("nbSouris", listVarInt.get("nbSourisG") + listVarInt.get("nbSourisD"));
    }