[Solved]Java Programming Need Create Panel Class Ever Classes Break Code Sure Thank Public Clas Q37130409
Java Programming: I need to create each panel into a class andwhat ever other classes I can break this code down to. I am notsure how to do this. Thank you.
public class OrderCalculator extends JFrame
{
private JPanel breadPanel; // bread panel
private JPanel toppingPanel; // Topping panel
private JPanel coffeePanel; // Coffee panel
private JPanel greetingPanel; // To display agreeting
private JPanel buttonPanel; // To hold the buttons
private JButton calcButton; // To calculate thecost
private JButton exitButton; // To exit theapplication
private JLabel greeting; // For the greetingPanel
private JRadioButton whiteBread; // To selectwhite
private JRadioButton wheatBread; // To selectwheat
private ButtonGroup breadBg; // Radio button group
private JRadioButton noCoffee; // To select nocoffee
private JRadioButton regularCoffee; // To selectregular coffee
private JRadioButton decafCoffee; // To selectdecaf
private JRadioButton cappuccino; // To selectcappuccino
private ButtonGroup coffeeBg; // Radio buttongroup
private JCheckBox cheese; // To select cheese
private JCheckBox roastBeef; // To select roastbeef
private JCheckBox turkey; // To select turkey
private JCheckBox ham; // To select ham
private final double TAX_RATE = 0.07; // Sales taxrate
{
setTitle(“Order Calculator”);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new BorderLayout());
buildGreetingPanel();
buildBreadPanel();
buildToppingPanel();
buildCoffeePanel();
buildButtonPanel();
add(greetingPanel,BorderLayout.NORTH);
add(breadPanel,BorderLayout.WEST);
add(toppingPanel,BorderLayout.CENTER);
add(coffeePanel,BorderLayout.EAST);
add(buttonPanel,BorderLayout.SOUTH);
pack();
setVisible(true);
}
private void buildButtonPanel()
{
buttonPanel = new JPanel();
calcButton = newJButton(“Calculate”);
exitButton = newJButton(“Exit”);
calcButton.addActionListener(newCalcButtonListener());
exitButton.addActionListener(newExitButtonListener());
buttonPanel.add(calcButton);
buttonPanel.add(exitButton);
}
private void buildBreadPanel()
{
breadPanel = new JPanel();
breadPanel.setLayout(newGridLayout(2, 1));
whiteBread = newJRadioButton(“White”, true);
wheatBread = newJRadioButton(“Wheat”);
breadBg = new ButtonGroup();
breadBg.add(whiteBread);
breadBg.add(wheatBread);
breadPanel.setBorder(
BorderFactory.createTitledBorder(“Bread”));
breadPanel.add(whiteBread);
breadPanel.add(wheatBread);
}
private void buildGreetingPanel()
{
greetingPanel = new JPanel();
greeting = new JLabel(“Welcome to Johnny’s Sandwhich Shop”);
greetingPanel.add(greeting);
}
private void buildCoffeePanel()
{
coffeePanel = new JPanel();
coffeePanel.setLayout(new GridLayout(4, 1));
noCoffee = new JRadioButton(“None”);
regularCoffee =
new JRadioButton(“Regular coffee”, true);
decafCoffee = newJRadioButton(“Decaf coffee”);
cappuccino = newJRadioButton(“Cappuccino”);
coffeeBg = new ButtonGroup();
coffeeBg.add(noCoffee);
coffeeBg.add(regularCoffee);
coffeeBg.add(decafCoffee);
coffeeBg.add(cappuccino);
coffeePanel.setBorder(
BorderFactory.createTitledBorder(“Coffee”));
coffeePanel.add(noCoffee);
coffeePanel.add(regularCoffee);
coffeePanel.add(decafCoffee);
coffeePanel.add(cappuccino);
}
private void buildToppingPanel()
{
// Create a panel fortoppings
toppingPanel = new JPanel();
toppingPanel.setLayout(newGridLayout(4, 1));
cheese = newJCheckBox(“Cheese”);
roastBeef = new JCheckBox(“RoastBeef”);
turkey = newJCheckBox(“Turkey”);
ham = new JCheckBox(“Ham”);
toppingPanel.setBorder(
BorderFactory.createTitledBorder(“Meat/Cheese”));
toppingPanel.add(cheese);
toppingPanel.add(roastBeef);
toppingPanel.add(turkey);
toppingPanel.add(ham);
}
private class CalcButtonListener implements ActionListener
{
public voidactionPerformed(ActionEvent e)
{
double subtotal, tax, total;
subtotal = getBreadCost() +
getToppingCost() +
getCoffeeCost();
tax = subtotal * TAX_RATE;
total = subtotal + tax;
DecimalFormat dollar = new DecimalFormat(“0.00”);
// Displaythe charges.
JOptionPane.showMessageDialog(null, “Subtotal: $” +
dollar.format(subtotal) +”n” +
“Tax: $” + dollar.format(tax)+ “n” +
“Total: $” +dollar.format(total));
}
}
private double getBreadCost()
{
final double WHITE_BREAD =1.25;
final double WHEAT_BREAD =1.50;
double breadCost = 0.0;
if(whiteBread.isSelected())
breadCost =WHITE_BREAD;
else
breadCost =WHEAT_BREAD;
return breadCost;
}
private double getCoffeeCost()
{
final double NO_COFFEE = 0.0;
final double REGULAR_COFFEE =1.25;
final double DECAF_COFFEE =1.25;
final double CAPPUCCINO = 2.00;
double coffeeCost = 0.0;
if (noCoffee.isSelected())
coffeeCost =NO_COFFEE;
else if(regularCoffee.isSelected())
coffeeCost =REGULAR_COFFEE;
else if(decafCoffee.isSelected())
coffeeCost =DECAF_COFFEE;
else if(cappuccino.isSelected())
coffeeCost =CAPPUCCINO;
return coffeeCost;
}
private double getToppingCost()
{
final double CHEESE = 0.50;
final double ROAST_BEEF =0.25;
final double TURKEY = 0.75;
final double HAM = 0.75;
double toppingCost = 0.0;
if (cheese.isSelected())
toppingCost +=CHEESE;
if (roastBeef.isSelected())
toppingCost +=ROAST_BEEF;
if (turkey.isSelected())
toppingCost +=TURKEY;
if (ham.isSelected())
toppingCost +=HAM;
return toppingCost;
}
private class ExitButtonListener implementsActionListener
{
public voidactionPerformed(ActionEvent e)
{
System.exit(0);
}
}
public static void main(String[] args)
{
OrderCalculator gui = newOrderCalculator();
}
}
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