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Thread: Getting items from a table/checkboxes

  1. #1
    Junior Member
    Join Date
    Jan 2011
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    Default Getting items from a table/checkboxes

    i have a Java computer shop assignment, a user selects the components he/she requires for a laptop or desktop and then presses the submit button where the total price is calculated and displayed to the user.

    I have hard coded the prices for each component in a table, but am unsure as to how to "get" the users selections and how to add the prices up? or how to put that into code rather.


    package ecsecomputers;

    import javax.swing.JLabel;
    import javax.swing.JComboBox;
    import javax.swing.JButton;

    * @author mandy
    public class ShopFrame extends javax.swing.JFrame {

    /** Creates new form ShopFrame */
    public ShopFrame() {

    // @SuppressWarnings("unchecked")Netbeans GENERATED CODE HERE

    jTable1.setModel(new javax.swing.table.DefaultTableModel(
    new Object [][] {
    {"Intel", "Core II Duo", "2200", "54.99", "Intel ", "Centrino", "1800", "149,99"},
    {"Intel", "Quad Core", "3000", "179.99", "Intel ", "Centrino II", "2000", "179.99"},
    {"Intel", "Pentium", "1800", "47.99", "Intel", "Core i3", "2200", "165.99"},
    {"Intel", "Celeron", "1800", "34.99", "Intel ", "Core i5", "2200", "176.99"},
    {"Intel", "Atom", "1400", "68.99", "Intel ", "Core i7", "2800", "199.99"},
    {"AMD", "Phenom", "3000", "123.99", "AMD", "Turion II Dual Core", "2000", "145.99"},
    {"AMD", "Athlon", "3000", "99.95", "AMD", "Athlon II Dual Core", "2400", "148.95"},
    {"AMD", "Sempron", "2000", "38.99", "AMD", "V Series", "1800", "165.99"},
    {"Samsung ", "500GB Serial ATA", "7200 rpm", "55.00"},
    {"Hitachi ", "1TB External", "7200 rpm", "123.99"},
    {"MEMORY", "", null, null, null, null, null, null},
    {"Kingston", "1GB DDRII", "1066", "25.99"},
    {"Corsair", "1GB DDRII", "1333", "23.99"l},
    {"Crucial", "1GB DDR3", "1333", "30.99"},
    {"Gigabyte", "Intel LGA775", "", "78.99"},
    {"Asus", "AMD AM3", "", "84.99"},
    {"Samsung", "Internal", null, "24.99"},
    {"Sony", "External", null, "60.99"},
    {"Antec", "650w", null, "73.99"},
    {"Antec", "ATX", null, "56.99"},
    {"Coolermaster", "ATX", null, "76.99"},
    {"Asus", "ATI ", "", "105.00"},
    {"Pny", "Nvidia Geforce", null, "159.99"},
    {"SOUND CARDS"},
    {"Creative ", "Soundblaster 5.1 vx", null, "15.99"},
    {"Creative ", "Soundblaster XFI", null, "38.99"},
    {"Thermaltake", "Intel LGA755", "", "25.95"},
    {"Coolermaster", "AMD AM2 AM3", null, "23.99},
    new String [] { "Brand", "Type", "Speed GHz", "Price ", "Brand", "Type", "Speed GHz", "Price " }

    private void bSubmitActionPerformed(java.awt.event.ActionEvent evt) {


    * @param args the command line arguments
    public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
    public void run() {
    new ShopFrame().setVisible(true);

    // Variables declaration - do not modify
    javax.swing.JLabel TitleLB;
    javax.swing.JButton bSubmit;
    javax.swing.JComboBox cbDeskprocessor;
    javax.swing.JComboBox cbDesktopspeed;
    javax.swing.JComboBox cbLaptopcpu;
    javax.swing.JComboBox cbLaptopspeed;
    javax.swing.JFormattedTextField jFormattedTextField1;
    javax.swing.JLabel jLabel1;
    javax.swing.JLabel jLabel2;
    javax.swing.JScrollPane jScrollPane1;
    javax.swing.JScrollPane jScrollPane2;
    javax.swing.JSeparator jSeparator1;
    javax.swing.JTable jTable1;
    javax.swing.JTextArea jTextArea1;
    javax.swing.JLabel lbDesktopcpu;
    javax.swing.JLabel lbLaptopcpu;
    javax.swing.JLabel lbProcessorspeed1;
    javax.swing.JLabel lbProcessorspeed2;
    javax.swing.JMenuBar menuBar;
    javax.swing.JMenu muAboutus;
    javax.swing.JMenu muComponents;
    javax.swing.JMenu muContact;
    javax.swing.JMenu muDesktop;
    javax.swing.JMenu muHelp;
    javax.swing.JMenu muHome;
    javax.swing.JMenu muIndex;
    javax.swing.JMenu muLaptop;
    javax.swing.JMenu muShoppingcart;
    javax.swing.JPanel pCpupanel;
    javax.swing.JRadioButtonMenuItem rbDeskcase;
    javax.swing.JRadioButtonMenuItem rbDeskchipset;
    javax.swing.JRadioButtonMenuItem rbDeskcpu;
    javax.swing.JRadioButtonMenuItem rbDeskdvdrewriter;
    javax.swing.JRadioButtonMenuItem rbDeskgraphics;
    javax.swing.JRadioButtonMenuItem rbDeskheatsink;
    javax.swing.JRadioButtonMenuItem rbDeskmemory;
    javax.swing.JRadioButtonMenuItem rbDeskmonitor;
    javax.swing.JRadioButtonMenuItem rbDeskmotherboard;
    javax.swing.JRadioButtonMenuItem rbDeskpsu;
    javax.swing.JRadioButtonMenuItem rbDesksound;
    javax.swing.JRadioButtonMenuItem rbLapbattery;
    javax.swing.JRadioButtonMenuItem rbLapcase;
    javax.swing.JRadioButtonMenuItem rbLapchassis;
    javax.swing.JRadioButtonMenuItem rbLapchipset;
    javax.swing.JRadioButtonMenuItem rbLapcpu;
    javax.swing.JRadioButtonMenuItem rbLapdvdrewriter;
    javax.swing.JRadioButtonMenuItem rbLapgraphicscard;
    javax.swing.JRadioButtonMenuItem rbLapharddisk;
    javax.swing.JRadioButtonMenuItem rbLapheatsink;
    javax.swing.JRadioButtonMenuItem rbLapkeyboard;
    javax.swing.JRadioButtonMenuItem rbLapmotherboard;
    javax.swing.JRadioButtonMenuItem rbLapscreen;
    javax.swing.JRadioButtonMenuItem rbLapsoundcard;
    // End of variables declaration


  2. #2
    Crazy Cat Lady KevinWorkman's Avatar
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    Oct 2010
    Washington, DC
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    Default Re: Getting items from a table/checkboxes

    Sorry, does that compile? You seem to be doing stuff outside of methods. I can't really tell, as you haven't used the code tags correctly, and I have trouble reading unformatted code.

    Why are you storing your prices in a JTable, but using JRadioButtons for the selection of the items?

    Give this a read: How to Use Tables (The Java™ Tutorials > Creating a GUI With JFC/Swing > Using Swing Components)

    And come back with an SSCCE (that's a link) if you still have questions.
    Useful links: How to Ask Questions the Smart Way | Use Code Tags | Java Tutorials
    Static Void Games - Play indie games, learn from game tutorials and source code, upload your own games!

  3. #3
    Junior Member
    Join Date
    Jan 2011
    Thanked 0 Times in 0 Posts

    Default Re: Getting items from a table/checkboxes

    Hi sorry for the confusion, i did use

    I have attached the files in a zip....i am using netbeans so there is a whole lot of code in the middle of the program that is just design code generated by the program so i just posted the relevant bits.

    private void bSubmitActionPerformed(java.awt.event.ActionEvent evt) {

    TO DO CODE HERE //getValueAt() (for the table?)


    I have set up a computer shop that the user selects components for their desired computer i hard coded all the details in a JTable which contains the price of each component. Firstly they select whether they want a laptop or desktop from a drop down toolbar menu and then what CPU they want in it from a combobox.

    And then the price is in the table of each component so i need to get all the selected components from the user and then return a total price for them.

    hope that is clearer but i have included the JAVA files built with netbeans....it compiles fine there is just so much code that netbeans generates i was trying to keep it simple but..
    Attached Files Attached Files

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