HELLP! i cant get 2 JPanels to display without them sitting on the other!

[Karis Brown]

Basically the error I get is, "Do not use A3PizzaProgram.add() use A3PizzaProgram.getContentPane().add() instead"
I thought i was meant to use setContentPane("panelname") in the class for it to show up? And if I dont use two classes, and I put them in one, i cant get the 2 panels to show next to each other. They kind of sit on top of the other. I know its something to do with the "setContentPane()"
This is not all of the code but the code where I am using the Swing stuff.

  class pSc extends JPanel implements ItemListener {

JCheckBox Small, Medium, Large, SuperLarge;

public static double totala;

pSc() {



JPanel PSizePanel = new JPanel(); //Pizza Sizes
JPanel PsP_Output = new JPanel();
ButtonGroup PsP = new ButtonGroup();
JCheckBox Small = new JCheckBox("Small");
PsP.add(Small);
PsP_Output.add(Small);
//Small.addItemListener(this);
Small.setSelected(false);
JCheckBox Medium = new JCheckBox("Medium");
PsP.add(Medium);
PsP_Output.add(Medium);
//Medium.addItemListener(this);
Medium.setSelected(false);
JCheckBox Large = new JCheckBox("Large");
PsP.add(Large);
PsP_Output.add(Large);
//Large.addItemListener(this);
Large.setSelected(false);
JCheckBox SuperLarge = new JCheckBox("SuperLarge");
PsP.add(SuperLarge);
PsP_Output.add(SuperLarge);
//SuperLarge.addItemListener(this);
SuperLarge.setSelected(false);
PSizePanel.add(PsP_Output,BorderLayout.CENTER);
PsP_Output.setLayout(new GridLayout(0,4));
//setContentPane(PSizePanel);

}

.....

class pIc extends JPanel implements ItemListener{

JCheckBox Pepporoni, Chilli, Anchovies,Ham, Mushrooms, Greenpeppers;
public static double totalb;

pIc() {

JPanel PIngPanel = new JPanel(); //Pizza Ingredients
JPanel PiP_Output = new JPanel();

JCheckBox Pepporoni = new JCheckBox("Pepporoni");
PiP_Output.add(Pepporoni);
//Pepporoni.addItemListener(this);
JCheckBox Chilli = new JCheckBox("Chilli");
PiP_Output.add(Chilli);
//Chilli.addItemListener(this);
JCheckBox Ham = new JCheckBox("Ham");
PiP_Output.add(Ham);
//Ham.addItemListener(this);
JCheckBox Greenpeppers = new JCheckBox("Greenpeppers");
PiP_Output.add(Greenpeppers);
//Greenpeppers.addItemListener(this);
JCheckBox Mushrooms = new JCheckBox("Mushrooms");
PiP_Output.add(Mushrooms);
//Mushrooms.addItemListener(this);
JCheckBox Anchovies = new JCheckBox("Anchovies");
PiP_Output.add(Anchovies);
//Anchovies.addItemListener(this);
//response = new TextField(10);
//add(response);

PIngPanel.add(PiP_Output,BorderLayout.LINE_START);
PiP_Output.setLayout(new GridLayout(0,1 ));
//setContentPane(PiP_Output);  

Also how can I incorporate this thread code

 private static void createAndShowGUI() {
        //Make sure we have nice window decorations.
        JFrame.setDefaultLookAndFeelDecorated(true);
        //Create and set up the window.
        JFrame frame = new JFrame("A3PizzaProgram");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Create and set up the content pane.
        JComponent newContentPane = new A3PizzaProgram();
        newContentPane.setOpaque(true); //content panes must be opaque
        frame.setContentPane(newContentPane);

        //Display the window.
        frame.pack();
        frame.setVisible(true);
    }
    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    } 

It dont seem to work, with two classes. i know there is a work around.
[ March 30, 2004: Message edited by: Karis Brown ]

[Nathan Pruett]

Where is the "A3PizzaProgram" class? I don't see it anywhere in the code you posted...

[Karis Brown]

It goes in the begining...here u go

import java.io.*;
import java.net.*;
import java.applet.*;
import java.awt.*;
import java.awt.event.*; 
import javax.swing.*;
import javax.swing.border.*;
public class A3PizzaProgram extends JApplet implements ActionListener{
pScpizzasizepanel;  
pIcpizzaindgredients;

JButton Calc;
JTextField response;
public  void  init() {
//setLayout (new  GridLayout(1,2));

pizzasizepanel = new pSc();
add(pizzasizepanel);

pizzaindgredients = new pIc();
add(pizzaindgredients);

JButton Calc   =  new   JButton("Calculate");
add(Calc);
Calc.addActionListener(this);
JTextField response =  new   JTextField(10);
add(response);
}
public  void  actionPerformed (ActionEvent  ev)  {
     try
     {


double totala=pSc.getTotal();
double totalb=pIc.getTotal();

Socket  cts1  =  new Socket(getCodeBase().getHost(), 6000); //connect to server on the address 6000
    
DataInputStream  isfs  =  new DataInputStream(cts1.getInputStream()); //input stream from server
    
DataOutputStream osts  =  new DataOutputStream(cts1.getOutputStream()); //output stream to server
osts.writeDouble(totala); //Data being sent to the server (from the client)
osts.writeDouble(totalb);
osts.flush();//Clueless what this does?

    double  total  =  isfs.readDouble(); //this is what I am recieving from the server

    if (ev.getSource() == Calc)  
{
     response.setText("� "+String.valueOf(total)); //now that I have recieved the the value i can output\display
 //it on the screen applet.
}
} catch (IOException ex) {
System.out.println(ex);
}
}

}
  

[Nathan Pruett]

Just like JFrame, JApplet is a top-level component, so you have to add things to the content pane instead of directly to the applet itself.

In the init() method of A3PizzaProgram you should have something like this (you may want to change the layout around a bit though... GridLayout just lines components up giving each one equal space):

getContentPane().setLayout( new GridLayout( 1, 4 ) );
 
pizzasizepanel = new pSc();
getContentPane().add( pizzasizepanel );
 
pizzaindgredients = new pIc();
getContentPane().add( pizzaindgredients );
 
JButton Calc = new JButton( "Calculate" );
getContentPane().add( Calc );
Calc.addActionListener( this );
 
JTextField response = new JTextField( 10 );
getContentPane().add( response );

[Karis Brown]

would i have to do the same getContentPane for all my stuff in my other classes?

[Karis Brown]

This is driving me nutz! i got to hand this in today!
why is the pSc class not wshowing up on the screen applet, only the stuff in the public class A3Pizza shows. and my pIc will not compile anymore since this getContentPane thing.

[Karis Brown]

please all help would be grateful for!, cant get my head roud why this cant compile let alone work!
my pIc class wont compile and my pSc does not even appear.

  import java.io.*;
import java.net.*;
import java.applet.*;
import java.awt.*;
import java.awt.event.*; 
import javax.swing.*;
import javax.swing.border.*;
//<html>
//<Body>
//<applet code =A3PizzaProgram.class width = 500 height =200>
//</applet>
//</body>
//</html>
public class A3PizzaProgram extends JApplet implements ActionListener{
pScpizzasizepanel;  
//pIcpizzaingredients;

JButton Calc;
JTextField response;
public  void  init() {
getContentPane().setLayout( new GridLayout( 1, 2 ) );
pizzasizepanel = new pSc();
getContentPane().add(pizzasizepanel);

//pizzaingredients = new pIc();
//getContentPane().add( pizzaingredients );

JButton Calc = new JButton( "Calculate" );
getContentPane().add( Calc );
Calc.addActionListener( this );

JTextField response = new JTextField( 10 );
getContentPane().add( response );

}
public  void  actionPerformed (ActionEvent  ev)  {
     try
     {


double totala=pSc.getTotal();
//double totalb=pIc.getTotal();

Socket  cts1  =  new Socket(getCodeBase().getHost(), 6000); //connect to server on the address 6000
    
DataInputStream  isfs  =  new DataInputStream(cts1.getInputStream()); //input stream from server
    
DataOutputStream osts  =  new DataOutputStream(cts1.getOutputStream()); //output stream to server
osts.writeDouble(totala); //Data being sent to the server (from the client)
//osts.writeDouble(totalb);
osts.flush();//Clueless what this does?

    double  total  =  isfs.readDouble(); //this is what I am recieving from the server

    if (ev.getSource() == Calc)  
{
     response.setText("� "+String.valueOf(total)); //now that I have recieved the the value i can output\display
 //it on the screen applet.
}
} catch (IOException ex) {
System.out.println(ex);
}
}

}
class pSc extends JPanel implements ItemListener{

//CheckboxGroup oneCBG;
JCheckBox Small, Medium, Large, SuperLarge;
//TextField response;
public static double totala;

pSc() {
//super(new BorderLayout());

//oneCBG = new CheckboxGroup();
JPanel PSizePanel = new JPanel(); //Pizza Sizes
JPanel PsP_Output = new JPanel();
ButtonGroup PsP = new ButtonGroup();
JCheckBox Small = new JCheckBox("Small");
PsP.add(Small);
PsP_Output.add(Small);
Small.addItemListener(this);
Small.setSelected(false);
JCheckBox Medium = new JCheckBox("Medium");
PsP.add(Medium);
PsP_Output.add(Medium);
Medium.addItemListener(this);
Medium.setSelected(false);
JCheckBox Large = new JCheckBox("Large");
PsP.add(Large);
PsP_Output.add(Large);
Large.addItemListener(this);
Large.setSelected(false);
JCheckBox SuperLarge = new JCheckBox("SuperLarge");
PsP.add(SuperLarge);
PsP_Output.add(SuperLarge);
SuperLarge.addItemListener(this);
SuperLarge.setSelected(false);

PSizePanel.add(PsP_Output,BorderLayout.CENTER);
PsP_Output.setLayout(new GridLayout(0,4));

}

public static double getTotal()
{
return totala;
}
public void itemStateChanged(ItemEvent e) {
Object choice = e.getItemSelectable();
if(choice == Small)
totala = 3.00;

if(choice == Medium)
totala = 6.00;

if(choice == Large)
totala = 8.00;

if(choice == SuperLarge)
totala = 10.00;

}

/*class pIc extends JPanel implements ItemListener{

//TextField response;
JCheckBox Pepporoni, Chilli, Anchovies,Ham, Mushrooms, Greenpeppers;
public static double totalb;

pIc() {
//super(new BorderLayout());
JPanel PIngPanel = new JPanel(); //Pizza Ingredients
JPanel PiP_Output = new JPanel();

JCheckBox Pepporoni = new JCheckBox("Pepporoni");
PiP_Output.add(Pepporoni);
//Pepporoni.addItemListener(this);
JCheckBox Chilli = new JCheckBox("Chilli");
PiP_Output.add(Chilli);
//Chilli.addItemListener(this);
JCheckBox Ham = new JCheckBox("Ham");
PiP_Output.add(Ham);
//Ham.addItemListener(this);
JCheckBox Greenpeppers = new JCheckBox("Greenpeppers");
PiP_Output.add(Greenpeppers);
//Greenpeppers.addItemListener(this);
JCheckBox Mushrooms = new JCheckBox("Mushrooms");
PiP_Output.add(Mushrooms);
//Mushrooms.addItemListener(this);
JCheckBox Anchovies = new JCheckBox("Anchovies");
PiP_Output.add(Anchovies);
//Anchovies.addItemListener(this);
//response = new TextField(10);
//add(response);

PIngPanel.add(PiP_Output,BorderLayout.LINE_START);
PiP_Output.setLayout(new GridLayout(0,1 ));
//setContentPane(PiP_Output);

}
public static double getTotal()
{
return totalb;
}

public void itemStateChanged (ItemEvent e){

Object choice = e.getItemSelectable();
totalb=0;

if(choice == Pepporoni)
totalb += .60;

if(choice == Ham)
totalb += .60;

if(choice == Greenpeppers)
totalb += .60;
if(choice == Anchovies)
totalb += .60;

if(choice == Mushrooms)
totalb += .60;
if(choice == Chilli)
totalb += .60;

}
}

[Karis Brown]

Dont worry about it, i decided not to do it in two seperate classes, makes things to complicated, however it would have made my calculations more easier and less coding.