import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import javax.swing.JRadioButton;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
private static final int FRAME_WIDTH = 300;
private static final int FRAME_HEIGHT = 400;
private JLabel label;
private JTextArea bill;
private JCheckBox exCheeseCheckBox;
private JCheckBox baconCheckBox;
private JCheckBox mushCheckBox;
private JRadioButton cheeseButton;
private JRadioButton pepButton;
private JRadioButton veggiButton;
private JComboBox facenameCombo;
private ActionListener listener;
public pizzaUIFrame()
{
JPanel choicePanel = new JPanel();
choicePanel.setLayout(new BorderLayout());
// create five buttons
JPanel pizza = createPizzaButtons();
JPanel toping = createTopingsBoxes();
label = new JLabel("Joe's Pizza");
JButton calcButton = new JButton("Calculate Total");
bill = new JTextArea(20,10);
JPanel centerpanel = new JPanel();
centerpanel.add(pizza);
centerpanel.add(toping);
ActionListener listener = new ChoiceListener();
calcButton.addActionListener(listener);
// add five buttons to the content pane of JApplet object
choicePanel.add(centerpanel, BorderLayout.CENTER);
choicePanel.add(label, BorderLayout.NORTH);
choicePanel.add(calcButton, BorderLayout.SOUTH);
//choicePanel.add(toping, BorderLayout.WEST);
choicePanel.add(bill, BorderLayout.EAST);
add(choicePanel);
final int FRAME_WIDTH = 600;
final int FRAME_HEIGHT = 200;
setSize(FRAME_WIDTH, FRAME_HEIGHT);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
public class pizzaUIFrame extends JFrame
{
}
public JPanel createPizzaButtons()
{
cheeseButton = new JRadioButton("Cheese");
cheeseButton.addActionListener(listener);
pepButton = new JRadioButton("Pepperoni");
pepButton.addActionListener(listener);
veggiButton = new JRadioButton("Veggi");
veggiButton.addActionListener(listener);
veggiButton.setSelected(true);
// Add radio buttons to button group
ButtonGroup group = new ButtonGroup();
group.add(cheeseButton);
group.add(pepButton);
group.add(veggiButton);
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(3,1));
panel.add(cheeseButton);
panel.add(pepButton);
panel.add(veggiButton);
panel.setBorder(new TitledBorder(new EtchedBorder(), "Pizza Type"));
panel.setSize(50,200);
return panel;
}
public JPanel createTopingsBoxes()
{
exCheeseCheckBox = new JCheckBox("ExtraCheese");
exCheeseCheckBox.addActionListener(listener);
baconCheckBox = new JCheckBox("Bacon");
baconCheckBox.addActionListener(listener);
mushCheckBox = new JCheckBox("Mushroom");
mushCheckBox.addActionListener(listener);
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(3,1));
panel.add(exCheeseCheckBox);
panel.add(baconCheckBox);
panel.add(mushCheckBox);
panel.setBorder(new TitledBorder(new EtchedBorder(), "Toppings"));
return panel;
}
public void calculateBill()
{
int top=0;
double pizza=0;
final double CHEESE=10.00, PEPPERONI=12, VEGGI=15.00;
final double TOPPING=1.50;
if (exCheeseCheckBox.isSelected())
{
top++;
}
if (baconCheckBox.isSelected())
{
top++;
}
if (mushCheckBox.isSelected())
{
top++;
}
if (cheeseButton.isSelected()) { pizza = CHEESE; }
else if (pepButton.isSelected()) { pizza =PEPPERONI; }
else if (veggiButton.isSelected()) { pizza = VEGGI; }
// Set font of text field
/*label.setFont(new Font(facename, style, size));
label.repaint();*/
String billAmount="$";
pizza += top*TOPPING;
billAmount +=pizza;
bill.setText(billAmount);
}
class ChoiceListener implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
calculateBill();
}
}
}
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