Java™ Application Development on Linux - Dator

536Appendix BA Java Swing GUI for BudgetPro73 dialog.setVisible(false); // go away74 }75 });7677 JButton cancelButton = new JButton("Cancel");78 cancelButton.addActionListener(new ActionListener() {79 public void actionPerformed(ActionEvent e) {80 clear(); // toss out any entry81 dialog.setVisible(false);82 }83 });84 getRootPane().setDefaultButton(createButton);8586 JPanel closePanel = new JPanel();87 closePanel.setLayout(new BoxLayout(closePanel, BoxLayout.LINE_AXIS));88 closePanel.add(Box.createHorizontalGlue());89 closePanel.add(createButton);90 closePanel.add(Box.createRigidArea(new Dimension(5, 0)));91 closePanel.add(cancelButton);92 closePanel.setBorder(BorderFactory.createEmptyBorder(10,0,5,5));9394 JPanel contentPane = new JPanel(new BorderLayout());95 contentPane.add(label, BorderLayout.PAGE_START);96 contentPane.add(textes, BorderLayout.CENTER);97 contentPane.add(closePanel, BorderLayout.PAGE_END);98 contentPane.setOpaque(true);99 setContentPane(contentPane);100101 //Show it.102 setSize(new Dimension(300, 160));103 setLocationRelativeTo(frame);104 setVisible(true);105106 } // constructor107108 public String109 getName()110 {111 String retval = null;112 if (nameField != null) {113 retval = nameField.getText();114 }115 return retval;116 } // getName117118 public String119 getAmnt()120 {121 String retval = null;