// /---- Connexion fields -----///////
public TextField getMField() {
if (this.mField == null) {
mField = new DoubleField(false);
mField.setEditable(false);
mField.setPreferredSize(new Dimension(120, 20));
mField.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (TrajectoryListView.validateField(mField.getText())) {