Thread: JAVA JList Problem in visual images

Hi everyone,

I'm struggling again. . .

I have a JList problem because I would want to know how to automatically highlight the DVD/ blu Ray stock in their respective colours (green for DVD, yellow for blu Ray) for that movie title.

I already have the highlighting done in my code.

For a visual image of the assignment, here it is.
URL: CSIS1275Assign3w2009 - Homework and Academic Work

MY PROBLEM IS AT QUESTION 2.

MOVIEBUY.JAVA

 
/////////////////////////////////////////   
///            NATHAN CHAN            ///   
///           ASSIGNMENT 3            ///   
///      INSTRUCTOR: GILBERT TSUI     ///   
///         COURSE: CSIS 1275         ///   
///           SECTION:  01            ///   
///     DUE DATE: MARCH 31st 2009     ///   
/////////////////////////////////////////        
 
// Please run this program at a 1280 x 1024 resolution.   
 
import javax.swing.*;    
import javax.swing.event.*;   
import java.awt.event.*;    
import java.awt.*;   
import java.lang.*;   
import java.util.*;   
import javax.swing.border.*;   
 
public class MovieBuy extends JApplet implements ActionListener   
{    
        ImageIcon imageClickForMovies = new ImageIcon("clickForMovies1.GIF");   
        JButton buttonClickForMovies = new JButton(imageClickForMovies);   
        MovieList movieList = new MovieList();   
        //String[] data01 = {"Speed Racer", "Star Trek XI", "The Dark Knight", "The X Files 2", "Hulk", "Iron Man", "Made of Honor"};   
        Vector vtMovieTitles = new Vector();   
        JList listbox01 = new JList(vtMovieTitles);   
        //String[] data02 = {"50", "3", "0", "34", "78", "0", "25"};   
        Vector vtDVDStock = new Vector();   
        JList listbox02 = new JList(vtDVDStock);   
        //String[] data03 = {"23", "0", "78", "5", "100", "0", "56"};   
        Vector vtbluRayStock = new Vector();   
        JList listbox03 = new JList(vtbluRayStock);   
        ButtonGroup DVDBluRayGroup = new ButtonGroup();   
        JRadioButton radDVD = new JRadioButton("DVD", true);   
        JRadioButton radBluRay = new JRadioButton("blu Ray", false);   
        String[] copies = {"1 Copy(ies)", "2 Copy(ies)", "3 Copy(ies)", "4 Copy(ies)", "5 Copy(ies)", "6 Copy(ies)", "7 Copy(ies)"};   
        JComboBox cmbCopies = new JComboBox(copies);   
        Label label1999 = new Label("$19.99");   
        Label label3599 = new Label("$39.99");   
        ImageIcon imageBuy = new ImageIcon("buyLogo1.GIF");   
        JButton buttonBuy = new JButton(imageBuy);   
        JList listArea = new JList();   
        JButton btnClearButton = new JButton("Clear");   
        JButton btnClearAll = new JButton("Clear All");   
        Label lblTotal = new Label("Total:");   
        Label lblEnterCreditCard = new Label("Enter Credit Card#:");   
        JPasswordField passEnterCreditCard = new JPasswordField();   
        JButton btnSubmit = new JButton("Submit");   
        Label lblKeyPadPassword = new Label("Use Keypad to enter password for settings");   
        JPasswordField passKeyPad = new JPasswordField(10);   
        JButton buttonA = new JButton("A");   
        JButton buttonB = new JButton("B");   
        JButton buttonC = new JButton("C");   
        JButton buttonD = new JButton("D");   
        JButton buttonE = new JButton("E");   
        JButton buttonF = new JButton("F");   
        JButton buttonG = new JButton("G");   
        JButton buttonH = new JButton("H");   
        JButton buttonI = new JButton("I");   
        JButton buttonJ = new JButton("J");   
        JButton buttonEnter = new JButton("Enter");   
        JButton buttonReset = new JButton("Reset");   
        // Panels   
        JPanel panel01 = new JPanel(new GridLayout(0,5,8,8));   
        JPanel panel01a = new JPanel();   
        JPanel panel01b = new JPanel();   
        JPanel panel01c = new JPanel();   
        JPanel panel01d = new JPanel();   
        JPanel panel01e = new JPanel(new GridLayout(3,0));   
        JPanel panel01eA = new JPanel(new GridLayout(0,2));   
        JPanel panel01eB = new JPanel(new GridLayout(0,2));   
        JPanel panel02 = new JPanel(new FlowLayout());   
        JPanel panel03 = new JPanel(new GridLayout(0,2,8,8));   
        JPanel panel03a = new JPanel(new GridLayout(1,0));   
        JPanel panel03b = new JPanel(new GridLayout(5,0));   
        JPanel panel03b1 = new JPanel(new GridLayout(0,2));   
        JPanel panel04 = new JPanel(new FlowLayout());      
      JPanel panel04a = new JPanel(new GridLayout(4,0));      
        JPanel panel04a1 = new JPanel();   
      JPanel panel04a2 = new JPanel(new GridLayout(2,5,3,3));      
      JPanel panel04a3 = new JPanel(new FlowLayout(FlowLayout.CENTER));            
 
        public void init()   
        {   
               setLayout(new GridLayout(4,1));   
                add(panel01);   
                    panel01.add(panel01a);   
                    panel01.add(panel01b);   
                    panel01.add(panel01c);   
                    panel01.add(panel01d);   
                    panel01.add(panel01e);   
                panel01b.add(listbox01);   
                panel01c.add(listbox02);   
                panel01d.add(listbox03);   
                listbox01.setFixedCellHeight(25);   
              listbox01.setFixedCellWidth(240);   
              listbox01.setVisibleRowCount(7);   
              listbox01.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);   
                listbox02.setForeground(Color.gray);   
                listbox02.setSelectionForeground(Color.gray);   
                listbox02.setSelectionBackground(Color.green);   
                listbox02.setFixedCellHeight(25);   
              listbox02.setFixedCellWidth(240);   
              listbox02.setVisibleRowCount(7);   
              listbox02.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);   
                listbox03.setForeground(Color.gray);   
                listbox03.setSelectionForeground(Color.gray);   
              listbox03.setSelectionBackground(Color.yellow);   
                listbox03.setFixedCellHeight(25);   
              listbox03.setFixedCellWidth(240);   
              listbox03.setVisibleRowCount(7);   
              listbox03.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);      
                panel01b.setBorder(new TitledBorder("Movie Titles"));   
                panel01b.setBackground(Color.white);   
                panel01c.setBorder(new TitledBorder("DVD Stock"));   
                panel01c.setBackground(Color.white);   
                panel01d.setBorder(new TitledBorder("blu Ray Stock"));   
                panel01d.setBackground(Color.white);   
                add(panel02);   
                add(panel03);   
                add(panel04);   
                buttonClickForMovies.addActionListener(this);   
                buttonClickForMovies.setPreferredSize(new Dimension(255,225));   
                panel01a.add(buttonClickForMovies);   
                panel01e.add(panel01eA);   
                panel01eA.add(radDVD);   
                panel01eA.add(label1999);   
                label1999.setFont(new Font("Arial", Font.BOLD, 12));   
                label1999.setBackground(Color.green);   
                panel01e.add(panel01eB);   
                panel01eB.add(radBluRay);   
                panel01eB.add(label3599);   
                DVDBluRayGroup.add(radDVD);   
                DVDBluRayGroup.add(radBluRay);   
                label3599.setFont(new Font("Arial", Font.BOLD, 12));   
                panel01e.add(cmbCopies);   
                label3599.setBackground(Color.yellow);   
                buttonBuy.setPreferredSize(new Dimension(315,225));   
                buttonBuy.addActionListener(this);   
                panel02.add(buttonBuy,BorderLayout.CENTER);   
                panel03.add(panel03a);   
                panel03.add(panel03b);   
                Border blackline = BorderFactory.createLineBorder(Color.black);                
                panel03a.setBorder(blackline);   
                panel03a.add(listArea);   
                panel03b.add(btnClearButton);   
                panel03b.add(btnClearAll);   
                panel03b.add(lblTotal);   
                lblTotal.setBackground(Color.cyan);   
                panel03b.add(panel03b1);   
                lblEnterCreditCard.setAlignment(Label.RIGHT);   
                lblEnterCreditCard.setFont(new Font("Arial", Font.BOLD, 12));   
                panel03b1.add(lblEnterCreditCard);   
                panel03b1.add(passEnterCreditCard);   
                panel03b.add(btnSubmit);   
               panel04.add(panel04a);      
            panel04a.setBackground(Color.red);      
            panel04a.setBorder(new TitledBorder("For Employee use ONLY"));      
            panel04a.setBackground(Color.red);      
            lblKeyPadPassword.setFont(new Font("Arial", Font.BOLD, 12));      
            panel04a.add(lblKeyPadPassword);      
                panel04a1.setBackground(Color.red);            
                panel04a.add(panel04a1);      
                panel04a1.add(passKeyPad);   
            panel04a.add(panel04a2);      
            panel04a2.add(buttonA);      
            panel04a2.add(buttonB);      
            panel04a2.add(buttonC);      
            panel04a2.add(buttonD);      
            panel04a2.add(buttonE);      
            panel04a2.add(buttonF);      
            panel04a2.add(buttonG);      
            panel04a2.add(buttonH);      
            panel04a2.add(buttonI);      
            panel04a2.add(buttonJ);      
            panel04a.add(panel04a3);      
            panel04a3.setBackground(Color.red);      
            panel04a3.add(buttonEnter);      
            panel04a3.add(buttonReset);     
 
                }   
 
       public void actionPerformed(ActionEvent e)   
        {   
           if(e.getSource() instanceof JButton)   
            {   
                 if(e.getSource() == buttonClickForMovies)   
                 movieList.createList();   
                  for(int i = 0; i < movieList.mList.length; i++) // add elements to vtMovieTitles   
                        vtMovieTitles.addElement(movieList.mList[i].getMovieTitle());   
                        listbox01.setListData(vtMovieTitles);   
                  for(int i = 0; i < movieList.mList.length; i++)  // add elements to vtDVDStock      
                        vtDVDStock.addElement(movieList.mList[i].getMovieStock('D'));   
                        listbox02.setListData(vtDVDStock);   
                  for(int i = 0; i < movieList.mList.length; i++)  // add elements to vtblueRayStock   
                      vtbluRayStock.addElement(movieList.mList[i].getMovieStock('B'));   
                        listbox03.setListData(vtbluRayStock);   
             }   
 
        public void valueChanged(ListSelectionEvent e)   
        {   
 
        // What should I write here?  Should I use an index like "i"?   
 
      }    
 
   }   
 }

MOVIEINFO.JAVA

 
//For Assign3 Winter 2009    
 
class MovieInfo   
{   
 
  private String strMovieTitle;   
  private int intMovieDVD;   
  private int intMovieBlueRay;   
 
  private static double doubMovieDVDPrice = 19.99;   
  private static double doubMovieBlueRayPrice = 35.99;   
 
  MovieInfo(String title, int mDVD, int mBRay)   
  {   
 
     strMovieTitle = title;   
      intMovieDVD = mDVD;   
      intMovieBlueRay = mBRay;   
 
 
  }   
 
  public String getMovieTitle()   
  {   
    return strMovieTitle;   
  }   
 
 
  public int getMovieStock(char which)   
  {   
     if(which == 'D')   
         {   
           return intMovieDVD;   
           }   
      else  
         {   
           return intMovieBlueRay;   
          }   
    }      
    // you finish this    
     // You can use "which" to determine which   
     // type of movie to retrieve the stock for          
 
 
 
  public double getMoviePrice(char which)   
  {   
     if(which == 'D')   
          {   
            return doubMovieDVDPrice;   
            }   
      else  
          {   
            return doubMovieBlueRayPrice;   
            }   
    }     
     // you finish this    
     // You can use "which" to determine which   
     // type of movie to retrieve the stock for          
 
 
  public void setMovieStock(char which, int amt)   
  {   
     if(which == 'D')   
         {   
          intMovieDVD  = amt;   
          }   
      else    
         {   
          intMovieBlueRay = amt;   
          }   
 }     
 
     // you finish this   
     // You can use "which" to determine which   
     // type of movie to set the stock for      
 
   public static void setMoviePrice(char which, double prce)   
    {   
      if(which == 'D')   
          {   
           doubMovieDVDPrice = prce;   
            }   
        else    
          {   
           doubMovieBlueRayPrice = prce;   
          }   
 
    // you finish this    
     // You can use "which" to determine which   
     // type of movie to set the price for    
  }   
 
 
 
}   
 
///////////////////////////////   
 
class MovieList   
{   
 
  MovieInfo[] mList;   
 
  public void createList()   
  {   
 
      mList = new MovieInfo[7];   
        mList[0] = new MovieInfo("Speed Racer",50,23);   
        mList[1] = new MovieInfo("Star Trek XI",3,0);   
        mList[2] = new MovieInfo("The Dark Knight",0,78);   
        mList[3] = new MovieInfo("The X Files 2",34,5);   
        mList[4] = new MovieInfo("Hulk",78,100);   
        mList[5] = new MovieInfo("Iron Man", 0,0);   
        mList[6] = new MovieInfo("Made of Honor",25,56);   
 
        MovieInfo.setMoviePrice('D', 19.99);   
        MovieInfo.setMoviePrice('B', 35.99);   
 
    ////////////////////////////////////////////////   
    // IMPORTANT: PLEASE use "setMoviePrice()" method to    
    // set the PRICES FOR DVD OR Blu Ray here   
    //            19.99 FOR DVD    
    //            35.99 for Blu Ray   
    ////////////////////////////////////////////////   
 
 
 
  }   
 
}

Thanks for reading, and I hope you can help me on this problem.

By the way, this is what I have attempted so far but it didn't work.

 
 
	   public void actionPerformed(ActionEvent e)
		{
		   if(e.getSource() instanceof JButton)
			{
				 if(e.getSource() == buttonClickForMovies)
				 movieList.createList();
				  for(int i = 0; i < movieList.mList.length; i++) // add elements to vtMovieTitles
				     	vtMovieTitles.addElement(movieList.mList[i].getMovieTitle());
						listbox01.setListData(vtMovieTitles);
				  for(int i = 0; i < movieList.mList.length; i++)  // add elements to vtDVDStock   
						vtDVDStock.addElement(movieList.mList[i].getMovieStock('D'));
						listbox02.setListData(vtDVDStock);
				  for(int i = 0; i < movieList.mList.length; i++)  // add elements to vtblueRayStock
				      vtbluRayStock.addElement(movieList.mList[i].getMovieStock('B'));
						listbox03.setListData(vtbluRayStock);
			 }
 
		}

- Nathe

Sorry antitru5t but I don't understand what you want to do. Can u explain me please?

Try this:

Your class has to implement ListSelectionListener.

Then you add the listener to the JList:

listbox01.addListSelectionListener(this);

And finally you write the method:

public void valueChanged(ListSelectionEvent e) {
		int i=e.getFirstIndex();
		int j=e.getLastIndex();
		listbox02.setSelectedIndex(i+1);
		listbox03.setSelectedIndex(i+1);
	}

antitru5t did I solve your problem?

Thanks leandro. I've already figured out the problem and fixed it myself! Thanks.

- Nathe