/* User pressed the "Update" button. Read the GUI fields and
send a SettingsMsg with the requested values. When the
requested settings are bad, we silently update them to sane
values. */
public void updateSettings() {
SettingsMsg smsg = new SettingsMsg();
short alert = 0;
short detect = 0;
int checkInterval = Constants.DEFAULT_CHECK_INTERVAL;
/* Extract current interval value, fixing bad values */
String intervalS = fieldInterval.getText().trim();
try {
int newInterval = Integer.parseInt(intervalS);
if (newInterval < 10) throw new NumberFormatException();
checkInterval = newInterval;
} catch (NumberFormatException e) {
/* Reset field when value is bad */
fieldInterval.setText("" + checkInterval);
}
/* Extract alert settings */
if (repLedCb.isSelected()) alert |= Constants.ALERT_LEDS;
if (repSirenCb.isSelected()) alert |= Constants.ALERT_SOUND;
if (repNeighboursCb.isSelected()) alert |= Constants.ALERT_RADIO;
if (repServerCb.isSelected()) alert |= Constants.ALERT_ROOT;
if (alert == 0) {
/* If nothing select, force-select LEDs */
alert = Constants.ALERT_LEDS;
repLedCb.setSelected(true);
}
/* Extract detection settings */
if (detDarkCb.isSelected()) detect |= Constants.DETECT_DARK;
if (detAccelCb.isSelected()) detect |= Constants.DETECT_ACCEL;
if (detect == 0) {
/* If no detection selected, force-select dark */
detect = Constants.DETECT_DARK;
detDarkCb.setSelected(true);
}
/* Build and send settings message */
smsg.set_alert(alert);
smsg.set_detect(detect);
smsg.set_checkInterval(checkInterval);
try {
mote.send(MoteIF.TOS_BCAST_ADDR, smsg);
} catch (IOException e) {
error("Cannot send message to mote");
}
}
/* Build up the GUI using Swing magic. Nothing very exciting here - the
BagPanel class makes the code a bit cleaner/easier to read. */
private void guiInit() throws Exception {
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.setMinimumSize(new Dimension(500, 250));
mainPanel.setPreferredSize(new Dimension(500, 300));
/* The message area */
JScrollPane mssgPanel = new JScrollPane();
mssgPanel.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
mssgPanel.setAutoscrolls(true);
mssgArea = new JTextArea();
mssgArea.setFont(new java.awt.Font("Monospaced", Font.PLAIN, 20));
mainPanel.add(mssgPanel, BorderLayout.CENTER);
mssgPanel.getViewport().add(mssgArea, null);
/* The button area */
BagPanel buttonPanel = new BagPanel();
GridBagConstraints c = buttonPanel.c;
c.fill = GridBagConstraints.HORIZONTAL;
c.gridwidth = GridBagConstraints.REMAINDER;
buttonPanel.makeLabel("Detection", JLabel.CENTER);
c.gridwidth = GridBagConstraints.RELATIVE;
detDarkCb = buttonPanel.makeCheckBox("Dark", true);
c.gridwidth = GridBagConstraints.REMAINDER;
detAccelCb = buttonPanel.makeCheckBox("Movement", false);
buttonPanel.makeSeparator(SwingConstants.HORIZONTAL);
buttonPanel.makeLabel("Theft Reports", JLabel.CENTER);
c.gridwidth = GridBagConstraints.RELATIVE;
repLedCb = buttonPanel.makeCheckBox("LED", true);
c.gridwidth = GridBagConstraints.REMAINDER;
repSirenCb = buttonPanel.makeCheckBox("Siren", false);
c.gridwidth = GridBagConstraints.RELATIVE;
repServerCb = buttonPanel.makeCheckBox("Server", false);
c.gridwidth = GridBagConstraints.REMAINDER;
repNeighboursCb = buttonPanel.makeCheckBox("Neighbours", false);
buttonPanel.makeSeparator(SwingConstants.HORIZONTAL);
buttonPanel.makeLabel("Interval", JLabel.CENTER);
fieldInterval = buttonPanel.makeTextField(10, null);
fieldInterval.setText(Integer.toString(Constants.DEFAULT_CHECK_INTERVAL));
ActionListener settingsAction =
new ActionListener() {
public void actionPerformed(ActionEvent e) {
updateSettings();
}
};
buttonPanel.makeButton("Update", settingsAction);
mainPanel.add(buttonPanel, BorderLayout.EAST);
/* The frame part */
frame = new JFrame("AntiTheft");
frame.setSize(mainPanel.getPreferredSize());
frame.getContentPane().add(mainPanel);
frame.setVisible(true);
frame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}