JFrame frame = new JFrame("DriveThrough v1.0");
JPanel entreePanel = new JPanel();
final ButtonGroup entreeGroup = new ButtonGroup();
JRadioButton radioButton;
entreePanel.add(radioButton = new JRadioButton("Beef"));
radioButton.setActionCommand("Beef");
entreeGroup.add(radioButton);
entreePanel.add(radioButton = new JRadioButton("Chicken"));
radioButton.setActionCommand("Chicken");
entreeGroup.add(radioButton);
entreePanel.add(radioButton = new JRadioButton("Veggie", true));
radioButton.setActionCommand("Veggie");
entreeGroup.add(radioButton);
final JPanel condimentsPanel = new JPanel();
condimentsPanel.add(new JCheckBox("Ketchup"));
condimentsPanel.add(new JCheckBox("Mustard"));
condimentsPanel.add(new JCheckBox("Pickles"));
JPanel orderPanel = new JPanel();
JButton orderButton = new JButton("Place Order");
orderPanel.add(orderButton);
Container content = frame.getContentPane(); // unecessary in 1.5+
content.setLayout(new GridLayout(3, 1));
content.add(entreePanel);
content.add(condimentsPanel);
content.add(orderPanel);
orderButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
String entree =
entreeGroup.getSelection().getActionCommand();
System.out.println(entree + " sandwich");
Component[] components = condimentsPanel.getComponents();
for ( Component c : components ) {
JCheckBox cb = (JCheckBox)c;
if (cb.isSelected())
System.out.println("With " + cb.getText());
}
}
});
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.setSize(300, 150);
frame.setVisible(true);
