codice:
public FtpImmagini() {
container=this.getContentPane();
Layout=new GridBagLayout();
container.setLayout(Layout);
constraints=new GridBagConstraints();
constraints.weightx=100;
constraints.weighty=100;
JLabel lblImmagine=new JLabel("Immagini");
// constraints.fill=GridBagConstraints.NORTH; // NON HA SENSO!!!
constraints.fill = GridBagConstraints.HORIZONTAL;
//oppure: constraints.anchor = GridBagConstraints.NORTH;
addcomponent(lblImmagine,0,0,2,1);
constraints.fill = GridBagConstraints.NONE;
JCheckBox chkImmagine=new JCheckBox("Mantieni Proporzioni");
addcomponent(chkImmagine,1,0,1,1);
JLabel lbldirectory=new JLabel("Directory:");
addcomponent(lbldirectory,2,0,1,1);
JTextField txtdir=new JTextField();
constraints.fill=GridBagConstraints.HORIZONTAL;
addcomponent(txtdir,2,1,1,1);