Java Reference
In-Depth Information
L ISTING 7.3 Continued
JPanel panel1 = new JPanel();
JLabel imageLabel = new JLabel();
progressBar = new JProgressBar();
progressBar.setBorder(BorderFactory.createEmptyBorder(2,6,10,6));
progressBar.setStringPainted(true);
int totalSteps = installer.getTotalItemsToInstall() + 1 ;//
last step for custom inst.
if (installer.isInstallJre())
totalSteps++;
progressBar.setMaximum(totalSteps);
ImageIcon img = new ImageIcon(CDLauncher.SETUP_DIR + “installer.gif”);
imageLabel.setIcon(img);
panel1.setLayout(new BorderLayout());
panel1.add(progressBar, BorderLayout.SOUTH);
panel1.add(imageLabel, BorderLayout.CENTER);
getContentPane().add(panel1);
7
progressBar.setValue(0);
timer = new Timer(1000, new ActionListener() {
public void actionPerformed(ActionEvent evt) {
int n = installer.getAlreadyInstalled();
if (n < 0) {
Toolkit.getDefaultToolkit().beep();
timer.stop();
dispose();
}
progressBar.setValue(n);
setTitle(TITLE_HEADER +
“N=”+installer.getAlreadyInstalled()+” - “+installer
.getTotalItemsToInstall());
}
});
pack();
setVisible(true);
setCursor(new Cursor(Cursor.WAIT_CURSOR));
setResizable(false);
// last, start the timer
timer.start();
}
}
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