A custom window shade designer charges a base fee of $50 per shade. In addition,

Question

A custom window shade designer charges a base fee of $50 per shade. In addition, charges are added for certain styles, sizes, and colors as follows.

Styles:

Regular shades:Add $0

Folding shades: Add $10

Roman shades: Add $15

Sizes:

25 inches wide: Add $0

27 inches wide: Add $2

32 inches wide: Add $4

40 inches wide: Add $6

Colors:

Natural: Add $5

Blue: Add $0

Teal: Add $0

Red: Add $0

Green: Add $0

Create an application that allows the user to select the style, size, color, and number of shades from lists or combo boxes. The total charges should be displayed.

Explanation / Answer

* Filename: ShadeDesigner.java * Programmer: Jamin A. Bishop * Date: 3/31/2012 * @version 1.00 2012/4/2 */ import java.awt.*; import java.awt.event.*; import java.text.DecimalFormat; import javax.swing.*; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; public class ShadeDesigner extends JFrame { private String[] styles = {"Regular Shades", "Folding Shades", "Roman Shades"}; private String[] size = {"25 Inches Wide", "27 Inches Wide", "32 Inches Wide", "40 Inches Wide"}; private String[] colors = {"Natural", "Blue", "Teal", "Red", "Green"}; private JLabel banner;// To display a banner private JPanel bannerPanel;// To hold the banner private JPanel stylesPanel;// private JPanel sizePanel;// private JPanel colorPanel; private JPanel buttonPanel;// private JList stylesList; private JList sizeList; private JList colorList; private JTextField Styles; private JTextField Size; private JTextField Color; private JButton calcButton; private JButton ExitButton; private double totalCharges = 50.00; //Constants private final int ROWS = 5; private final double regularCost = 0.00;//base price for the blinds private final double foldingCost = 10.00;//extra cost for folding blinds private final double romanCost = 15.00;//extra cost for roman blinds private final double twentyfiveInCost = 0.00; //extra cost for 25" blinds private final double twentySevenInCost = 2.00;//extra cost for 27" blinds private final double thirtyTwoInCost = 4.00;//extra cost for 32" blinds private final double fourtyInCost = 6.00;//extra cost for 40" blinds private final double naturalColorCost = 5.00;//extra cost for color public ShadeDesigner() { //display a title setTitle("Shade Designer"); // Specify what happens when the close button is clicked. setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Create the banner on a panel and add it to the North region. buildBannerPanel(); add(bannerPanel, BorderLayout.NORTH); stylesPanel(); add(stylesPanel, BorderLayout.WEST); sizePanel(); add(sizePanel, BorderLayout.CENTER); colorPanel(); add(colorPanel, BorderLayout.EAST); buttonPanel(); add(buttonPanel, BorderLayout.SOUTH); pack(); setVisible(true); } //build the bannerpanel private void buildBannerPanel() { bannerPanel = new JPanel(); bannerPanel.setLayout(new FlowLayout(FlowLayout.CENTER)); banner = new JLabel("Shade Designer"); banner.setFont(new Font("SanSerif", Font.BOLD, 24)); bannerPanel.add(banner); } //stylepanel private void stylesPanel() { JLabel styleTitle = new JLabel("Select a Style."); stylesPanel = new JPanel(); stylesPanel.setBorder(BorderFactory.createEmptyBorder(5,5,5,5)); stylesList = new JList (styles); stylesList.setVisibleRowCount(ROWS); JScrollPane stylesScrollPane = new JScrollPane(stylesList); stylesList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); stylesList.addListSelectionListener(new stylesListListener()); stylesPanel.setLayout(new BorderLayout()); stylesPanel.add(styleTitle, BorderLayout.NORTH); stylesPanel.add(stylesScrollPane, BorderLayout.CENTER); Styles = new JTextField (5); Styles.setEditable(false); //stylesPanel.add(StylesLabel, BorderLayout.CENTER); stylesPanel.add(Styles, BorderLayout.SOUTH); } private class stylesListListener implements ListSelectionListener { public void valueChanged (ListSelectionEvent e) { String selection = (String) stylesList.getSelectedValue(); Styles.setText(selection); } } //size panel private void sizePanel() { JLabel sizeTitle = new JLabel("Select a Size."); sizePanel = new JPanel(); sizePanel.setBorder(BorderFactory.createEmptyBorder(5,5,5,5)); sizeList = new JList (size); sizeList.setVisibleRowCount(ROWS); JScrollPane stylesScrollPane = new JScrollPane(sizeList); sizeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); sizeList.addListSelectionListener(new sizeListListener()); sizePanel.setLayout(new BorderLayout()); sizePanel.add(sizeTitle, BorderLayout.NORTH); sizePanel.add(stylesScrollPane, BorderLayout.CENTER); //sizeLabel = new JLabel("Style Selected: "); Size = new JTextField (5); Size.setEditable(false); //stylesPanel.add(StylesLabel, BorderLayout.CENTER); sizePanel.add(Size, BorderLayout.SOUTH); } private class sizeListListener implements ListSelectionListener { public void valueChanged (ListSelectionEvent e) { String selection = (String) sizeList.getSelectedValue(); Size.setText(selection); } } //color panel private void colorPanel() { JLabel colorTitle = new JLabel("Select a Color."); colorPanel = new JPanel(); colorPanel.setBorder(BorderFactory.createEmptyBorder(5,5,5,5)); colorList = new JList (colors); colorList.setVisibleRowCount(ROWS); JScrollPane colorScrollPane = new JScrollPane(colorList); colorList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); colorList.addListSelectionListener(new colorListListener()); colorPanel.setLayout(new BorderLayout()); colorPanel.add(colorTitle, BorderLayout.NORTH); colorPanel.add(colorScrollPane, BorderLayout.CENTER); //sizeLabel = new JLabel("Style Selected: "); Color = new JTextField (5); Color.setEditable(false); //stylesPanel.add(StylesLabel, BorderLayout.CENTER); colorPanel.add(Color, BorderLayout.SOUTH); } private class colorListListener implements ListSelectionListener { public void valueChanged (ListSelectionEvent e) { String selection = (String) colorList.getSelectedValue(); Color.setText(selection); } } //button panel private void buttonPanel() { calcButton= new JButton ("Calculate Charges"); calcButton.addActionListener(new calcButtonListener()); ExitButton = new JButton ("Exit"); ExitButton.addActionListener(new ExitButtonListener()); buttonPanel = new JPanel(); buttonPanel.add(calcButton); buttonPanel.add(ExitButton); } private class calcButtonListener implements ActionListener { //actionPerformed method parementer e an actionevent object public void actionPerformed(ActionEvent e) { // Create a DecimalFormat object. DecimalFormat dollar = new DecimalFormat("#,##0.00"); // Display the total. JOptionPane.showMessageDialog(null, "TotalCharges: $" + dollar.format(totalCharges)); } } private class ExitButtonListener implements ActionListener { public void actionPerformed(ActionEvent e) { //Exit the applicaiton System.exit(0); } } //static void main for the string public static void main(String[] args) { new ShadeDesigner(); } }

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