Help please--cannot get summary button to work?!!!!

Hi and thanks for your help!

I did invoke the method with a handler. Maybe I should have given you the entire code that I have in the first place.

The first part of the code, and the other method seems to be working, so I was focusing on where the problem is.

By the way- tried the system.out.printli, but since nothing happens when I click the summary button, I cannot even get any values to print in the command prompt.

Here is the entire app:

// Application summarized results of a survey

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.text.DecimalFormat;

public class Survey extends JFrame

{

// JLabel and JTextField read response

private JLabel responseJLabel;

private JTextField responseJTextField;

// JButton initiates display of results

private JButton summaryJButton;

// JTextArea for survey results

private JTextArea resultsJTextArea;

// JButton resets to start again

private JButton resetJButton;

// DECLARE COUNTERS FOR VALID RESPONSES

private int numAgree = 0;

private int numDisagree = 0;

private int numNuetral = 0;

private int total = 0;

// no-argument constructor

public Survey()

{

createUserInterface();

}

// create and position GUI components; register event handlers

private void createUserInterface()

{

// get content pane for attaching GUI components

Container contentPane = getContentPane();

// enable explicit positioning of GUI components

contentPane.setLayout( null );

// set up responseJLabel

responseJLabel = new JLabel();

responseJLabel.setBounds( 116, 8, 70, 23 );

responseJLabel.setText( "Response:" );

contentPane.add( responseJLabel );

// set up responseJTextField

responseJTextField = new JTextField();

responseJTextField.setBounds( 215, 8, 70, 23 );

contentPane.add( responseJTextField );

// ADD THE ACTION LISTENER TO THIS FIELD

responseJTextField.addActionListener(

new ActionListener() // anonymous inner class

{

// event handler called when user clicks responseJButton

public void actionPerformed ( ActionEvent event )

{

responseJTextFieldActionPerformed( event );

}

} // end anonymous inner class

); // end call to addActionListener

// set up summaryJButton

summaryJButton = new JButton();

summaryJButton.setBounds( 116, 40, 170, 26 );

summaryJButton.setText( "Display Summary" );

summaryJButton.setEnabled(false);

contentPane.add( summaryJButton );

summaryJButton.addActionListener(

new ActionListener() // anonymous inner class

{

// event handler called when user clicks summaryJButton

public void actionPerformed ( ActionEvent event )

{

summaryJButtonActionPerformed( event );

}

} // end anonymous inner class

); // end call to addActionListener

// set up resultsJTextArea

resultsJTextArea = new JTextArea();

resultsJTextArea.setBounds( 16, 78, 400, 100 );

resultsJTextArea.setEditable(false);

contentPane.add( resultsJTextArea );

// set up resetJButton

resetJButton = new JButton();

resetJButton.setBounds( 175, 200, 70, 23 );

resetJButton.setText( "reset" );

contentPane.add( resetJButton );

// ADD THE ACTION LISTENER TO THIS BUTTON

resetJButton.addActionListener(

new ActionListener() // anonymous inner class

{

// event handler called when user clicks resetJButton

public void actionPerformed ( ActionEvent event )

{

resetJButtonActionPerformed( event );

}

} // end anonymous inner class

); // end call to addActionListener

// set properties of application's window

setTitle( "Survey Summary" ); // set title bar text

setSize( 450, 275 ); // set window size

setVisible( true ); // display window

} // end method createUserInterface

// method reads user input and accumulates totals

private void responseJTextFieldActionPerformed( ActionEvent event )

{

String input; //used to store user's input

boolean valid;

int response;

//test for no input

if (responseJTextField.getText().equals(""))

{

JOptionPane.showMessageDialog( null,

"Please enter a response to the survey ", "Message",

JOptionPane.INFORMATION_MESSAGE);

return;

}

//read user input and convert to number

input = ( responseJTextField.getText() );

response = Integer.parseInt (input);

// display error when response is not valid

if (response == 1 || response == 2 || response == 3)

{

valid = true;

total++;

summaryJButton.setEnabled (true);

responseJTextField.setText("");

}

else

{

//display error message

JOptionPane.showMessageDialog( null,

"Please enter a valid response ", "Message",

JOptionPane.INFORMATION_MESSAGE);

return;

}

//add totals for each category

if (response == 1)

numAgree++;

if (response == 2)

numDisagree++;

if (response == 3)

numNuetral++;

} // end method responseJTextFieldActionPerformed

// method displays survey summary

private void summaryJButtonActionPerformed( ActionEvent event )

{

//declare variables

double perAgree = 0.00;

double perDisagree = 0.00;

double perNuetral = 0.00;

//calculate percent response for each category

perAgree = ((double)numAgree/total) * 100;

perDisagree = ((double)numDisagree/total ) * 100;

perNuetral = ((double)numNuetral/total) * 100;

//clear old results

summaryJButton.setText("");

//add header to output area

resultsJTextArea.append( "RESPONSE\tFREQUENCY\tPERCENT\tHISTOGRAM");

//display results

resultsJTextArea.append("\n" + "Agree" + "\t" + numAgree + "\t" + perAgree + "%" );

resultsJTextArea.append("\n" + "Disagree" + "\t" + numDisagree + "\t" + perDisagree + "%" );

resultsJTextArea.append("\n" + "No Opinion" + "\t" + numNuetral + "\t" + perNuetral + "%" );

do

{

if (numAgree < total)

resultsJTextArea.append("\t" + "\t" + "\t" + "*");

if (numDisagree < total)

resultsJTextArea.append("\t" + "\t" + "\t" + "*" );

if (numNuetral < total)

resultsJTextArea.append("\t" + "\t" + "\t" + "*");

} while (numAgree + numDisagree + numNuetral <= total);

} // end method summaryJButtonActionPerformed

// method resets and clears to enable re-start

private void resetJButtonActionPerformed( ActionEvent event )

{

numAgree = 0;

numDisagree = 0;

numNuetral = 0;

total = 0;

responseJTextField.setText( "" );

resultsJTextArea.setText( "" );

summaryJButton.setEnabled(false);

} // end method resetJButtonActionPerformed

// main method

public static void main( String[] args )

{

Survey application = new Survey();

application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

} // end method main

} // end class Survey

sunydee4a at 2007-7-13 12:44:46 >

Ha- Ha--yes I did, and apparently, I am much slower at this then I thought. <grin>.

I have a listener that invokes the method, I cannot use println within the summary method.

What I do know is that my do while statement leaves much to be desired, and I think that is where the problem is.

Could you possibly suggest another approach for the do while statement, and maybe that will help?

Thanks!

sunydee4a at 2007-7-13 12:44:46 >

Well, I do not think that it is that time consuming, but hey, whatever.

It needs to be a loop because I need an asterik to print out for each response in each of the categories, so it definitely needs to be a loop.

I guess I have stared at it much to long, and am drained with it. Just thought I could get some guidance, not that I want a complete answer.

totally frustrated, but still sunny!!

sunydee4a at 2007-7-13 12:44:46 >