How do i display a list of strings on one JOptionPane.showMessageDialog?

**Izuba** · 10-09-2010, 06:43 AM

I just want one JOptionPane.showMessageDialog to display all the user's selections and in case there is no selection but the user presses the button, i want a message of this kind to be displayed:"please make a selection"
could you please help me do so?here follows my source code:

Java Code:

//file: DriveThrough.java
import java.awt.*;
import java.awt.event.*;
 
import javax.swing.*;
 
public class DriveThrough {
  public static void main(String[] args) {
    JFrame f = new JFrame("Lister v1.0");
    f.setSize(300, 150);
    f.setLocation(200, 200);
    f.addWindowListener(new WindowAdapter(  ) {
      public void windowClosing(WindowEvent we) { System.exit(0); }
    });
 
    JPanel entreePanel = new JPanel(  );
    final ButtonGroup entreeGroup = new ButtonGroup(  );
    JRadioButton radioButton;
    entreePanel.add(radioButton = new JRadioButton("Beef"));
    radioButton.setActionCommand("Beef");
    entreeGroup.add(radioButton);
    entreePanel.add(radioButton = new JRadioButton("Chicken"));
    radioButton.setActionCommand("Chicken");
    entreeGroup.add(radioButton);
    entreePanel.add(radioButton = new JRadioButton("Veggie"));
    radioButton.setActionCommand("Veggie");
    entreeGroup.add(radioButton);
    
    final JPanel condimentsPanel = new JPanel(  );
    condimentsPanel.add(new JCheckBox("Ketchup"));
    condimentsPanel.add(new JCheckBox("Mustard"));
    condimentsPanel.add(new JCheckBox("Pickles"));
    
    JPanel orderPanel = new JPanel(  );
    JButton orderButton = new JButton("Place Order");
    orderPanel.add(orderButton);
    
    Container content = f.getContentPane(  );
    content.setLayout(new GridLayout(3, 1));
    content.add(entreePanel);
    content.add(condimentsPanel);
    content.add(orderPanel);
    
    orderButton.addActionListener(new ActionListener(  ) {
      public void actionPerformed(ActionEvent ae) {
        String entree = 
          entreeGroup.getSelection().getActionCommand(  );
        JOptionPane.showMessageDialog,(null,entree + " sandwich");
        Component[] components = condimentsPanel.getComponents(  );
        for (int i = 0; i < components.length; i++) {
          JCheckBox cb = (JCheckBox)components[i];
          if (cb.isSelected(  ))
            JOptionPane.showMessageDialog(null,"With " + cb.getText(  ));
        }
      }
    });
    
    f.setVisible(true);
  }
}

**Fubarable** · 10-09-2010, 01:35 PM

Izuba, please do not send private messages regarding questions that should remain in the forum.

Has anyone else received private messages from Izuba?

Note that I will delete my question here and its replies in a little bit.

**Fubarable** · 10-09-2010, 01:50 PM

To solve your problem, it may help to make your JRadioButtons and JCheckBoxes fields of the class (in this situation, static fields), and then you can more easily query them from within your ActionListener's actionPerformed method. I would create a String in actionPerformed and then build it depending on the responses found in the check boxes and radio buttons.

**JosAH** · 10-09-2010, 01:56 PM

Originally Posted by Fubarable

Izuba, please do not send private messages regarding questions that should remain in the forum.

Has anyone else received private messages from Izuba?

Yup, a private message as well as a few visitor messages; I threw them away.

kind regards,

Jos

**Izuba** · 10-09-2010, 02:54 PM

I am so sorry about that Sirs.I won't repeat that in the future.
@Fubarable: I am not sure I got your point very well.could you please be a little bit clearer??thank you for your understanding
@JoASH: i am sorry.could you still contribute please??

**Izuba** · 10-09-2010, 02:57 PM

@Fubarable:could you please illustrate the point you have just brought out so as i could get it properly???

**Izuba** · 10-09-2010, 03:00 PM

@Fubarable:could you please illustrate the point you have just brought out so as i could get it properly???

**JosAH** · 10-09-2010, 03:04 PM

The 'message' part in the JOptionPane doesn't have to be a String (altough most of the time it is); it can be another (J)Component; that other (J)Component can contain everything you want, also a list of Strings in, say, a JList or whatever.

kind regards,

Jos

**Fubarable** · 10-09-2010, 03:14 PM

Actually, ignore my suggestion above as you're getting the results from your checkboxes and radiobuttons. Instead create a String say, resultString, at the beginning of your actionPerfomed, and instead of displaying a bunch of JOptionPanes, concatenate your String with your results:

Java Code:

               if (cb.isSelected()) {
                  //JOptionPane.showMessageDialog(null, "With " + cb.getText());
                  resultString += "With " + cb.getText() + "\n";
               }

Then display the resultString at the end (as Jos recommends as well).

**Izuba** · 10-09-2010, 03:26 PM

i have tried to edit the previous code a bit by removing the JRadioButtons and by putting a line between the design and the event code.I can't still have the effect that i want.I tried to display the items according to the selection but, even if i select two items, only the 1st item is display...here is the edited source code:

//file: DriveThrough.java
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Drive extends JFrame
{

final JPanel condimentsPanel = new JPanel();
JPanel orderPanel = new JPanel( );
JButton orderButton = new JButton("Place Order");
JCheckBox checkBox1 = new JCheckBox("Ketchup");
JCheckBox checkBox2 = new JCheckBox("Mustard");
JCheckBox checkBox3 = new JCheckBox("Pickles");

public static void main(String args[])
{
Drive f = new Drive();
f.setLocation(200,200);
f.setSize(300,150);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);

}

public Drive()
{
super();
Container content = getContentPane( );

condimentsPanel.add(checkBox1);
condimentsPanel.add(checkBox2);
condimentsPanel.add(checkBox3);

orderPanel.add(orderButton);

content.setLayout(new GridLayout(2, 1));
content.add(condimentsPanel);
content.add(orderPanel);
ButtonHandler handler = new ButtonHandler();
orderButton.addActionListener(handler);

}
private class ButtonHandler implements ActionListener
{
Component[] components = condimentsPanel.getComponents( );
JCheckBox cb1 = (JCheckBox)components[0];
JCheckBox cb2 = (JCheckBox)components[1];
JCheckBox cb3 = (JCheckBox)components[2];

public void actionPerformed(ActionEvent event)
{

if (cb1.isSelected() )
JOptionPane.showMessageDialog(null,cb1.getText());
else
if(cb2.isSelected())
JOptionPane.showMessageDialog(null,cb2.getText());
else
if(cb3.isSelected())
JOptionPane.showMessageDialog(null,cb3.getText());
else
if( cb1.isSelected() & cb2.isSelected())
JOptionPane.showMessageDialog(null,cb1.getText() + cb2.getText());
else
if(cb1.isSelected() & cb3.isSelected())
JOptionPane.showMessageDialog(null,cb1.getText() + cb3.getText());
else
if(cb2.isSelected() & cb3.isSelected())
JOptionPane.showMessageDialog(null,cb2.getText() + cb3.getText());
else if(cb1.isSelected())
if(cb2.isSelected())
if(cb3.isSelected())
JOptionPane.showMessageDialog(null,cb1.getText() + cb2.getText()

+cb3.getText());
else
JOptionPane.showMessageDialog(null,"Please make a selection");
}
}

}

**Izuba** · 10-09-2010, 03:37 PM

I have edited a bit the previous code by removing the JRadioButtons and putting a line between the design code and event code.when I am selectind two items,only one is displayed,the same case when i am selecting all of them(only the 1st item is selected)yet i do want all selected items to be displayed.
here follows the new code:

//file: DriveThrough.java
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Drive extends JFrame
{

final JPanel condimentsPanel = new JPanel();
JPanel orderPanel = new JPanel( );
JButton orderButton = new JButton("Place Order");
JCheckBox checkBox1 = new JCheckBox("Ketchup");
JCheckBox checkBox2 = new JCheckBox("Mustard");
JCheckBox checkBox3 = new JCheckBox("Pickles");

public static void main(String args[])
{
Drive f = new Drive();
f.setLocation(200,200);
f.setSize(300,150);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);

}

public Drive()
{
super();
Container content = getContentPane( );

condimentsPanel.add(checkBox1);
condimentsPanel.add(checkBox2);
condimentsPanel.add(checkBox3);

orderPanel.add(orderButton);

content.setLayout(new GridLayout(2, 1));
content.add(condimentsPanel);
content.add(orderPanel);
ButtonHandler handler = new ButtonHandler();
orderButton.addActionListener(handler);

}
private class ButtonHandler implements ActionListener
{
Component[] components = condimentsPanel.getComponents( );
JCheckBox cb1 = (JCheckBox)components[0];
JCheckBox cb2 = (JCheckBox)components[1];
JCheckBox cb3 = (JCheckBox)components[2];

public void actionPerformed(ActionEvent event)
{

if (cb1.isSelected() )
JOptionPane.showMessageDialog(null,cb1.getText());
else
if(cb2.isSelected())
JOptionPane.showMessageDialog(null,cb2.getText());
else
if(cb3.isSelected())
JOptionPane.showMessageDialog(null,cb3.getText());
else
if( cb1.isSelected() & cb2.isSelected())
JOptionPane.showMessageDialog(null,cb1.getText() + cb2.getText());
else
if(cb1.isSelected() & cb3.isSelected())
JOptionPane.showMessageDialog(null,cb1.getText() + cb3.getText());
else
if(cb2.isSelected() & cb3.isSelected())
JOptionPane.showMessageDialog(null,cb2.getText() + cb3.getText());
else if(cb1.isSelected())
if(cb2.isSelected())
if(cb3.isSelected())
JOptionPane.showMessageDialog(null,cb1.getText() + cb2.getText()

+cb3.getText());
else
JOptionPane.showMessageDialog(null,"Please make a selection");
}
}

}

**Izuba** · 10-09-2010, 06:23 PM

@ Jos : I am so sorry but i am not sure i've got you properly:could you please illustrate?
@Faburable: I have just simplified my code,included JCheckboxes, and your suggestion as well.but the result seems to remain the same,here follows the edited source code,kindly correct my mistakes:

//file: DriveThrough.java
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Drive extends JFrame
{

final JPanel condimentsPanel = new JPanel();
JPanel orderPanel = new JPanel( );
JButton orderButton = new JButton("Place Order");
JCheckBox checkBox1 = new JCheckBox("Ketchup");
JCheckBox checkBox2 = new JCheckBox("Mustard");
JCheckBox checkBox3 = new JCheckBox("Pickles");

public static void main(String args[])
{
Drive f = new Drive();
f.setLocation(200,200);
f.setSize(300,150);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);

}

public Drive()
{
super();
Container content = getContentPane( );

condimentsPanel.add(checkBox1);
condimentsPanel.add(checkBox2);
condimentsPanel.add(checkBox3);

orderPanel.add(orderButton);

content.setLayout(new GridLayout(2, 1));
content.add(condimentsPanel);
content.add(orderPanel);
ButtonHandler handler = new ButtonHandler();
orderButton.addActionListener(handler);

}
private class ButtonHandler implements ActionListener
{
Component[] components = condimentsPanel.getComponents( );
JCheckBox cb = (JCheckBox)components[i];

public void actionPerformed(ActionEvent event)
{
String resultString = new String();
if (cb1.isSelected() )
resultString +="with"+cb.getText() +"\n";
}

}

**Izuba** · 10-09-2010, 06:24 PM

@ Jos : I am so sorry but i am not sure i've got you properly:could you please illustrate?
@Faburable: I have just simplified my code,included JCheckboxes, and your suggestion as well.but the result seems to remain the same,here follows the edited source code,kindly correct my mistakes:

//file: DriveThrough.java
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Drive extends JFrame
{

final JPanel condimentsPanel = new JPanel();
JPanel orderPanel = new JPanel( );
JButton orderButton = new JButton("Place Order");
JCheckBox checkBox1 = new JCheckBox("Ketchup");
JCheckBox checkBox2 = new JCheckBox("Mustard");
JCheckBox checkBox3 = new JCheckBox("Pickles");

public static void main(String args[])
{
Drive f = new Drive();
f.setLocation(200,200);
f.setSize(300,150);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);

}

public Drive()
{
super();
Container content = getContentPane( );

condimentsPanel.add(checkBox1);
condimentsPanel.add(checkBox2);
condimentsPanel.add(checkBox3);

orderPanel.add(orderButton);

content.setLayout(new GridLayout(2, 1));
content.add(condimentsPanel);
content.add(orderPanel);
ButtonHandler handler = new ButtonHandler();
orderButton.addActionListener(handler);

}
private class ButtonHandler implements ActionListener
{
Component[] components = condimentsPanel.getComponents( );
JCheckBox cb = (JCheckBox)components[i];

public void actionPerformed(ActionEvent event)
{
String resultString = new String();
if (cb1.isSelected() )
resultString +="with"+cb.getText() +"\n";
}

}

**Izuba** · 10-10-2010, 08:25 AM

yep,thank u so much Fubarable and JosAh! i got it.now, i wanted to apply the same principle on a much bigger scale but i am not getting the point right, colud you please correct me? my code is too long,if you can also help me reduce it too.the background is an image.so u can replace it by any other image.
best regards

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
//BreakFast.java
//represents breakFast ratm process

public class Breakfast8 extends JFrame implements ItemListener
{

private int basePrice = 0;
private int item1 = 2000;
private int item2 = 3000;
private int item3 = 4000;
private int item4 = 5000;
private int item5 = 7000;
private int item6 = 7800;
private int item7 = 8900;
private int item8 = 10000;
private int item9 = 12000;
private int item10 = 15000;
private int item11 = 2000;
private int item12 = 3000;
private int item13 = 3500;
private int item14 = 5000;
private int totalPrice = basePrice;

//JCheckBoxes

JCheckBox checkBox1 = new JCheckBox( "African Tea Ushx"+item1,false);
JCheckBox checkBox2 = new JCheckBox("Black Tea Ushx"+item2,false);
JCheckBox checkBox3 = new JCheckBox("English Coffee Ushx"+item3,false);
JCheckBox checkBox4 = new JCheckBox("Black Coffee Ushx"+item4,false);
JCheckBox checkBox5 = new JCheckBox("Hot Chocolate Ushx"+item5,false);
JCheckBox checkBox6 = new JCheckBox("Sausage Ushx"+item6,false);
JCheckBox checkBox7 = new JCheckBox("Chicken Ushx"+item7,false);
JCheckBox checkBox8 = new JCheckBox("vegetable Ushx"+item8,false);
JCheckBox checkBox9 = new JCheckBox("Egg Mayo Ushx"+item9,false);
JCheckBox checkBox10 = new JCheckBox("Bread Ushx"+item10,false);
JCheckBox checkBox11 = new JCheckBox("Chapati Ushx"+item11,false);
JCheckBox checkBox12 = new JCheckBox("Doughnuts Ushx"+item12,false);
JCheckBox checkBox13 = new JCheckBox("Cake Slices Ushx"+item13,false);
JCheckBox checkBox14 = new JCheckBox("Queen Cakes Ushx"+item14,false);
JTextField text1 = new JTextField(10);

//JImageIcon and JLabels

ImageIcon img= new ImageIcon("cat.jpg");
JLabel label1 = new JLabel (img);
JLabel label = new JLabel ("HOT DRINKS");
JLabel label2 = new JLabel("BREAKFAST ZONE");
JLabel lab1 = new JLabel("SANDWICHES");
JLabel lab2 = new JLabel("BITES");
JLabel lab4 = new JLabel("Total money is:");

//JButtons

private JButton done = new JButton("Done");
private JButton cancel = new JButton("Cancel");

//BreakFast class Constructor

public Breakfast8()
{
super ("Breakfast");
getContentPane().setLayout(new BorderLayout());//set the frame Layout
label1.setLayout(null);
add(label1);

//SETTING FONT onto JLabels

label.setFont(new Font("Serif",Font.BOLD,28));
label2.setFont(new Font("Serif",Font.BOLD,28));
lab1.setFont(new Font("Serif",Font.BOLD,16));
lab2.setFont(new Font("Serif",Font.BOLD,16));

// SETTING Background Color onto JCheckBoxes

checkBox1.setBackground(Color.LIGHT_GRAY);
checkBox2.setBackground(Color.LIGHT_GRAY);
checkBox3.setBackground(Color.LIGHT_GRAY);
checkBox4.setBackground(Color.LIGHT_GRAY);
checkBox5.setBackground(Color.LIGHT_GRAY);
checkBox6.setBackground(Color.LIGHT_GRAY);
checkBox7.setBackground(Color.LIGHT_GRAY);
checkBox8.setBackground(Color.LIGHT_GRAY);
checkBox9.setBackground(Color.LIGHT_GRAY);
checkBox10.setBackground(Color.LIGHT_GRAY);
checkBox11.setBackground(Color.LIGHT_GRAY);
checkBox12.setBackground(Color.LIGHT_GRAY);
checkBox13.setBackground(Color.LIGHT_GRAY);
checkBox14.setBackground(Color.LIGHT_GRAY);

//SETTING BOUNDS TO GUI COMPONENTS
//To JLabels

label.setBounds(10,3,200,40);
label2.setBounds(440,5,500,20);
lab1.setBounds(10,162,200,20);
lab2.setBounds(10,277,200,20);
lab4.setBounds(10,420,200,20);

//To JCheckBoxes

checkBox1.setBounds(10,48,200,20);
checkBox2.setBounds(10,70,200,20);
checkBox3.setBounds(10,92,200,20);
checkBox4.setBounds(10,114,200,20);
checkBox5.setBounds(10,136,200,20);
checkBox6.setBounds(10,190,200,20);
checkBox7.setBounds(10,212,200,20);
checkBox8.setBounds(10,234,200,20);
checkBox9.setBounds(10,256,200,20);
checkBox10.setBounds(10,298,200,20);
checkBox11.setBounds(10,320,200,20);
checkBox12.setBounds(10,342,200,20);
checkBox13.setBounds(10,364,200,20);
checkBox14.setBounds(10,386,200,20);

//To JTextField text1

text1.setBounds(100,420,120,20);

// To JButtons

done.setBounds(230,420,120,20);
cancel.setBounds(360,420,120,20);

// ADDING GUI COMPONENTS ONTO JLABEL label1

// JLabels

label1.add(label2);
label1. add(label);
label1.add(lab1);
label1.add(lab2);
label1.add(lab4);

//JCheckBoxes

label1.add(checkBox1);
label1.add(checkBox2);
label1.add(checkBox3);
label1.add(checkBox4);
label1.add(checkBox5);

label1.add(checkBox6);
label1.add(checkBox7);
label1.add(checkBox8);
label1.add(checkBox9);

label1.add(checkBox10);
label1.add(checkBox11);
label1.add(checkBox12);
label1.add(checkBox13);
label1.add(checkBox14);
label1.add(text1);

label1.add(done);
label1.add(cancel);

text1.setText("Ush"+totalPrice);
//System.out.printf("%s",this);

//REGISTER EVENT LISTENERS FOR CHECKBOXES

checkBox1.addItemListener(this);
// checkBox2.addItemListener(this);
checkBox3.addItemListener(this);
checkBox4.addItemListener(this);
checkBox5.addItemListener(this);
checkBox6.addItemListener(this);
checkBox7.addItemListener(this);
checkBox8.addItemListener(this);
checkBox9.addItemListener(this);
checkBox10.addItemListener(this);
checkBox11.addItemListener(this);
checkBox12.addItemListener(this);
checkBox13.addItemListener(this);
checkBox14.addItemListener(this);
ButtonHandler handler = new ButtonHandler();
done.addActionListener(handler );
} //end class constructor

//RESPOND TO CHECKBOX EVENTS

public void itemStateChanged(ItemEvent event)
{
Object source = event.getSource();
int select = event.getStateChange();

//PROCESS CHECKBOXES EVENTS

if(source == checkBox1)
if(select == ItemEvent.SELECTED)
totalPrice += item1;
else
totalPrice -= item1;

else if(source == checkBox2)
{
if(select == ItemEvent.SELECTED)
totalPrice += item2;
else
totalPrice -= item2;
}
else if(source == checkBox3)
{
if(select == ItemEvent.SELECTED)
totalPrice +=item3;
else
totalPrice -=item3;
}

else if(source == checkBox4)
{
if(select == ItemEvent.SELECTED)
totalPrice += item4;
else
totalPrice -= item4;
}
else if(source == checkBox5)
{
if(select == ItemEvent.SELECTED)
totalPrice += item5;
else
totalPrice -= item5;
}
else if(source == checkBox6)
{
if(select == ItemEvent.SELECTED)
totalPrice += item6;
else
totalPrice -= item6;
}
else if(source == checkBox7)
{
if(select == ItemEvent.SELECTED)
totalPrice += item7;
else
totalPrice -= item7;
}

else if(source == checkBox8)
{
if(select == ItemEvent.SELECTED)
totalPrice += item8;
else
totalPrice -= item8;
}
else if(source == checkBox9)
{
if(select == ItemEvent.SELECTED)
totalPrice += item9;
else
totalPrice -= item9;
}
else if(source == checkBox10)
{
if(select == ItemEvent.SELECTED)
totalPrice += item10;
else
totalPrice -= item10;
}
else if(source == checkBox11)
{
if(select == ItemEvent.SELECTED)
totalPrice += item11;
else
totalPrice -= item11;
}
else if(source == checkBox12)
{
if(select == ItemEvent.SELECTED)
totalPrice += item12;
else
totalPrice -= item12;
}
else if(source == checkBox13)
{
if(select == ItemEvent.SELECTED)
totalPrice += item13;
else
totalPrice -= item13;
}
else// if(source == checkBox14)

if(select == ItemEvent.SELECTED)
totalPrice += item14;
else
totalPrice -= item14;
text1.setText("Ushx" +totalPrice);
}
private class ButtonHandler implements ActionListener
{
public void actionPerformed(ActionEvent e){
String entree = new String();
Component[] components = label1.getComponents();
for(int i = 0 ; i < components.length ; i++){
JCheckBox cb = (JCheckBox)components[i];
if(cb.isSelected())
entree += cb.getText() +"\n";
}
JOptionPane.showMessageDialog(null,entree);
}
}

public static void main(String args[])
{
Breakfast8 fast = new Breakfast8();
fast.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
fast.setSize(800,500);

fast.setVisible(true);
} //end of main method
} //end of class Breakfast

**Izuba** · 10-10-2010, 08:28 AM

yep,thank u so much Fubarable and JosAh! i got it.now, i wanted to apply the same principle on a much bigger scale but i am not getting the point right, colud you please correct me? my code is too long,if you can also help me reduce it too.the background is an image.so u can replace it by any other image.
best regards

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
//BreakFast.java
//represents breakFast ratm process

public class Breakfast8 extends JFrame implements ItemListener
{

private int basePrice = 0;
private int item1 = 2000;
private int item2 = 3000;
private int item3 = 4000;
private int item4 = 5000;
private int item5 = 7000;
private int item6 = 7800;
private int item7 = 8900;
private int item8 = 10000;
private int item9 = 12000;
private int item10 = 15000;
private int item11 = 2000;
private int item12 = 3000;
private int item13 = 3500;
private int item14 = 5000;
private int totalPrice = basePrice;

//JCheckBoxes

JCheckBox checkBox1 = new JCheckBox( "African Tea Ushx"+item1,false);
JCheckBox checkBox2 = new JCheckBox("Black Tea Ushx"+item2,false);
JCheckBox checkBox3 = new JCheckBox("English Coffee Ushx"+item3,false);
JCheckBox checkBox4 = new JCheckBox("Black Coffee Ushx"+item4,false);
JCheckBox checkBox5 = new JCheckBox("Hot Chocolate Ushx"+item5,false);
JCheckBox checkBox6 = new JCheckBox("Sausage Ushx"+item6,false);
JCheckBox checkBox7 = new JCheckBox("Chicken Ushx"+item7,false);
JCheckBox checkBox8 = new JCheckBox("vegetable Ushx"+item8,false);
JCheckBox checkBox9 = new JCheckBox("Egg Mayo Ushx"+item9,false);
JCheckBox checkBox10 = new JCheckBox("Bread Ushx"+item10,false);
JCheckBox checkBox11 = new JCheckBox("Chapati Ushx"+item11,false);
JCheckBox checkBox12 = new JCheckBox("Doughnuts Ushx"+item12,false);
JCheckBox checkBox13 = new JCheckBox("Cake Slices Ushx"+item13,false);
JCheckBox checkBox14 = new JCheckBox("Queen Cakes Ushx"+item14,false);
JTextField text1 = new JTextField(10);

//JImageIcon and JLabels

ImageIcon img= new ImageIcon("cat.jpg");
JLabel label1 = new JLabel (img);
JLabel label = new JLabel ("HOT DRINKS");
JLabel label2 = new JLabel("BREAKFAST ZONE");
JLabel lab1 = new JLabel("SANDWICHES");
JLabel lab2 = new JLabel("BITES");
JLabel lab4 = new JLabel("Total money is:");

//JButtons

private JButton done = new JButton("Done");
private JButton cancel = new JButton("Cancel");

//BreakFast class Constructor

public Breakfast8()
{
super ("Breakfast");
getContentPane().setLayout(new BorderLayout());//set the frame Layout
label1.setLayout(null);
add(label1);

//SETTING FONT onto JLabels

label.setFont(new Font("Serif",Font.BOLD,28));
label2.setFont(new Font("Serif",Font.BOLD,28));
lab1.setFont(new Font("Serif",Font.BOLD,16));
lab2.setFont(new Font("Serif",Font.BOLD,16));

// SETTING Background Color onto JCheckBoxes

checkBox1.setBackground(Color.LIGHT_GRAY);
checkBox2.setBackground(Color.LIGHT_GRAY);
checkBox3.setBackground(Color.LIGHT_GRAY);
checkBox4.setBackground(Color.LIGHT_GRAY);
checkBox5.setBackground(Color.LIGHT_GRAY);
checkBox6.setBackground(Color.LIGHT_GRAY);
checkBox7.setBackground(Color.LIGHT_GRAY);
checkBox8.setBackground(Color.LIGHT_GRAY);
checkBox9.setBackground(Color.LIGHT_GRAY);
checkBox10.setBackground(Color.LIGHT_GRAY);
checkBox11.setBackground(Color.LIGHT_GRAY);
checkBox12.setBackground(Color.LIGHT_GRAY);
checkBox13.setBackground(Color.LIGHT_GRAY);
checkBox14.setBackground(Color.LIGHT_GRAY);

//SETTING BOUNDS TO GUI COMPONENTS
//To JLabels

label.setBounds(10,3,200,40);
label2.setBounds(440,5,500,20);
lab1.setBounds(10,162,200,20);
lab2.setBounds(10,277,200,20);
lab4.setBounds(10,420,200,20);

//To JCheckBoxes

checkBox1.setBounds(10,48,200,20);
checkBox2.setBounds(10,70,200,20);
checkBox3.setBounds(10,92,200,20);
checkBox4.setBounds(10,114,200,20);
checkBox5.setBounds(10,136,200,20);
checkBox6.setBounds(10,190,200,20);
checkBox7.setBounds(10,212,200,20);
checkBox8.setBounds(10,234,200,20);
checkBox9.setBounds(10,256,200,20);
checkBox10.setBounds(10,298,200,20);
checkBox11.setBounds(10,320,200,20);
checkBox12.setBounds(10,342,200,20);
checkBox13.setBounds(10,364,200,20);
checkBox14.setBounds(10,386,200,20);

//To JTextField text1

text1.setBounds(100,420,120,20);

// To JButtons

done.setBounds(230,420,120,20);
cancel.setBounds(360,420,120,20);

// ADDING GUI COMPONENTS ONTO JLABEL label1

// JLabels

label1.add(label2);
label1. add(label);
label1.add(lab1);
label1.add(lab2);
label1.add(lab4);

//JCheckBoxes

label1.add(checkBox1);
label1.add(checkBox2);
label1.add(checkBox3);
label1.add(checkBox4);
label1.add(checkBox5);

label1.add(checkBox6);
label1.add(checkBox7);
label1.add(checkBox8);
label1.add(checkBox9);

label1.add(checkBox10);
label1.add(checkBox11);
label1.add(checkBox12);
label1.add(checkBox13);
label1.add(checkBox14);
label1.add(text1);

label1.add(done);
label1.add(cancel);

text1.setText("Ush"+totalPrice);
//System.out.printf("%s",this);

//REGISTER EVENT LISTENERS FOR CHECKBOXES

checkBox1.addItemListener(this);
// checkBox2.addItemListener(this);
checkBox3.addItemListener(this);
checkBox4.addItemListener(this);
checkBox5.addItemListener(this);
checkBox6.addItemListener(this);
checkBox7.addItemListener(this);
checkBox8.addItemListener(this);
checkBox9.addItemListener(this);
checkBox10.addItemListener(this);
checkBox11.addItemListener(this);
checkBox12.addItemListener(this);
checkBox13.addItemListener(this);
checkBox14.addItemListener(this);
ButtonHandler handler = new ButtonHandler();
done.addActionListener(handler );
} //end class constructor

//RESPOND TO CHECKBOX EVENTS

public void itemStateChanged(ItemEvent event)
{
Object source = event.getSource();
int select = event.getStateChange();

//PROCESS CHECKBOXES EVENTS

if(source == checkBox1)
if(select == ItemEvent.SELECTED)
totalPrice += item1;
else
totalPrice -= item1;

else if(source == checkBox2)
{
if(select == ItemEvent.SELECTED)
totalPrice += item2;
else
totalPrice -= item2;
}
else if(source == checkBox3)
{
if(select == ItemEvent.SELECTED)
totalPrice +=item3;
else
totalPrice -=item3;
}

else if(source == checkBox4)
{
if(select == ItemEvent.SELECTED)
totalPrice += item4;
else
totalPrice -= item4;
}
else if(source == checkBox5)
{
if(select == ItemEvent.SELECTED)
totalPrice += item5;
else
totalPrice -= item5;
}
else if(source == checkBox6)
{
if(select == ItemEvent.SELECTED)
totalPrice += item6;
else
totalPrice -= item6;
}
else if(source == checkBox7)
{
if(select == ItemEvent.SELECTED)
totalPrice += item7;
else
totalPrice -= item7;
}

else if(source == checkBox8)
{
if(select == ItemEvent.SELECTED)
totalPrice += item8;
else
totalPrice -= item8;
}
else if(source == checkBox9)
{
if(select == ItemEvent.SELECTED)
totalPrice += item9;
else
totalPrice -= item9;
}
else if(source == checkBox10)
{
if(select == ItemEvent.SELECTED)
totalPrice += item10;
else
totalPrice -= item10;
}
else if(source == checkBox11)
{
if(select == ItemEvent.SELECTED)
totalPrice += item11;
else
totalPrice -= item11;
}
else if(source == checkBox12)
{
if(select == ItemEvent.SELECTED)
totalPrice += item12;
else
totalPrice -= item12;
}
else if(source == checkBox13)
{
if(select == ItemEvent.SELECTED)
totalPrice += item13;
else
totalPrice -= item13;
}
else// if(source == checkBox14)

if(select == ItemEvent.SELECTED)
totalPrice += item14;
else
totalPrice -= item14;
text1.setText("Ushx" +totalPrice);
}
private class ButtonHandler implements ActionListener
{
public void actionPerformed(ActionEvent e){
String entree = new String();
Component[] components = label1.getComponents();
for(int i = 0 ; i < components.length ; i++){
JCheckBox cb = (JCheckBox)components[i];
if(cb.isSelected())
entree += cb.getText() +"\n";
}
JOptionPane.showMessageDialog(null,entree);
}
}

public static void main(String args[])
{
Breakfast8 fast = new Breakfast8();
fast.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
fast.setSize(800,500);

fast.setVisible(true);
} //end of main method
} //end of class Breakfast

**JosAH** · 10-10-2010, 08:30 AM

@Izuba: please put your code in those [code] ... [/code] tags just like you did in your first message; your latest messages are unreadable.

kind regards,

Jos

**DarrylBurke** · 10-10-2010, 10:40 AM

Originally Posted by JosAH

The 'message' part in the JOptionPane doesn't have to be a String (altough most of the time it is); it can be another (J)Component; that other (J)Component can contain everything you want, also a list of Strings in, say, a JList or whatever.

Not too well known: The message argument can also be a String[] or even a multidimensional String array -- even a ragged array.

db

**DarrylBurke** · 10-10-2010, 10:43 AM

Originally Posted by JosAH

@Izuba: please put your code in those [code] ... [/code] tags just like you did in your first message

Fubarable had added the code tags. Some people are slow learners.

db

**JosAH** · 10-10-2010, 11:10 AM

Originally Posted by Darryl.Burke

Not too well known: The message argument can also be a String[] or even a multidimensional String array -- even a ragged array.

db

It can even be an Object[] array that mixes all type of elements; it applies recursively. Granted the API documentation mentions this fact in a single sentence but indeed it is quite a powerful feature.

kind regards,

Jos

**Izuba** · 10-13-2010, 12:12 PM

Hello JosAh and Fubarable!!

Thank you so much for your precious help.
I am implementing a program where the customer can buy things either with cash or with credit card. i have now reached the Credit card part and it's giving tough time.What I want is this:
1)the credit card form to be connected to the database(sql.access,...) for authentication(credit card authentication)
after the credit card has been authenticated:
1) I want the user to be told the amount of money in the credit card and whether it's enough or not according to what the user has selected for buying)
3)If the money in the credit card is enough,I want the program to deduct the total price of things bought by the customer from the money available in the credit card and displays the balance.I have never dealt with database in java before. Could you please help? Here is my source code(for the credit card form).
Best Regards.
Izuba

Java Code:

//**********************Credit Card class
//********************Represents credit card form

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class CreditCard  extends JFrame
{
   private JPanel panel;
   private JLabel label1,label2,label3,label4,label5,label6;
   private JLabel cardCode;
   private JTextField text1,text2;
   private JPasswordField password;
   private JComboBox combo1,combo2;
   private String names[ ] = {"Visa","MasterCard","Discover"};
   private String months [] = {"01","02","03","04","05","06","07","08","09","10","11","12"};
  private JButton submitButton;
   public CreditCard()
  {
   super("Customer credit card info");
   getContentPane().setLayout(new BorderLayout());
   // contentPane = getContentPane();
   setLayout(null);
  //contentPane.add(panel);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setUndecorated(true);
   
   //aFrame.setVisible(true);

   //create GUI components
   
   panel=new JPanel();
   panel.setBounds(10,5,200,20);
   panel.setSize(600,30);
   panel.setLayout(null);
   panel.setBackground(Color.LIGHT_GRAY);
   add(panel);
   label1 = new JLabel("CREDIT CARD CORNER ");
   label1.setBounds(5,5,200,20);
   panel.add(label1);
   
  label2 = new JLabel("Credit card");
  label2.setBounds(10,40,200,20);
  add(label2);

   combo1 = new JComboBox(names);
   combo1.setBounds(110,40,90,20);
   add(combo1);
  
   label3 = new JLabel("Expiration Date");
   label3.setBounds(10,70,90,20);
   add(label3);

   combo2 = new JComboBox(months);
  combo2.setBounds(110,70,90,20);
  add(combo2);

  label4 = new JLabel("Year");
  label4.setBounds(220,70,90,20);
  add(label4);
  text1 = new JTextField(4); 
  text1.setBounds(250,70,50,20);
  add(text1);
  
  label5 = new JLabel("Card Number");
  label5.setBounds(10,100,200,20);
  add(label5);
  text2 = new JTextField(12);
  text2.setBounds(110,100,90,20);
  add(text2);    


 label6 = new JLabel("Security Code");
 label6.setBounds(10,125,90,20);
 add(label6);

 password = new JPasswordField();
 password.setBounds(110,125,90,20);
 add(password);
   
 submitButton = new JButton("Submit");
 submitButton.setBounds(180,150,90,20);
 add(submitButton);   
   
   
  }

  public static void main(String args [])
  {
        
        CreditCard credit = new CreditCard();
        
        credit.setSize(350,200);
        credit.setLocation(650,370);
        credit.setVisible(true);
        
  }  
}

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