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Hi I want to be able to change the name of the JFrame I am working on. It is currently named SwimmingPoolVolumeCalculator. When I go the Company Tab and enter in a name, I want that name to be shown as the new Title of the JFrame. How can i do this? Here is my code:

public class SwimmingPoolVolumeCalculator<exitHandler> extends JFrame
{
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    JLabel welLabel = new JLabel("Welcome");
    JComponent date1;
    JLabel dateLabel = new JLabel("Today's Date is:");
    JFormattedTextField date = new JFormattedTextField(java.util.Calendar
            .getInstance().getTime());
    JButton exit = new JButton("Exit");


    JLabel contractor = new JLabel("Contractor Name");
    JLabel customer = new JLabel("Customer");
    static JTextField conInput = new JTextField(20);
    JLabel address = new JLabel("Address");
    JLabel city = new JLabel("City");
    JLabel state = new JLabel("State");
    JLabel zip = new JLabel("Zip");
    static JTextField addInput = new JTextField(20);
    static JTextField cityInput = new JTextField(10);
    static JTextField stateInput = new JTextField(2);
    static JTextField zipInput = new JTextField(6);
    JButton update = new JButton("Update");
    static JTextArea conPane = new JTextArea(5,20);
    static JTextArea custPane = new JTextArea(5,20);
    static JTextField custInput = new JTextField(20);
    JLabel cAddress = new JLabel("Address");
    JLabel cCity = new JLabel("City");
    JLabel cState = new JLabel("State");
    JLabel cZip = new JLabel("Zip");
    static JTextField cAddInput = new JTextField(20);
    static JTextField cCityInput = new JTextField(10);
    static JTextField cStateInput = new JTextField(2);
    static JTextField cZipInput = new JTextField(6);
    JButton cUpdate = new JButton("Update");

    JLabel company = new JLabel("Company");
    JTextField compInput = new JTextField(20);
    JButton compUpdate = new JButton("Update");
    JLabel compInfo = new JLabel("");

    JComboBox degree = new JComboBox(); 
    JLabel inputTemp = new JLabel("Enter Temperature");
    JTextField temp = new JTextField(4);
    JTextField tempAnswer = new JTextField(4);
    JLabel converted = new JLabel("");
    JButton tempCalc = new JButton("Convert");

    JLabel meters = new JLabel("Meters");
    JLabel feet = new JLabel("Feet");   
    JTextField meterField = new JTextField(15);
    JTextField feetField = new JTextField(15);
    JButton convert = new JButton("Convert");

    JLabel poolLength = new JLabel("Enter Length");
    JLabel poolWidth = new JLabel("Enter Width");
    JLabel poolDepth = new JLabel("Enter Depth");
    JTextField inPoolLength = new JTextField(15);
    JTextField inPoolWidth = new JTextField(15);
    JTextField inPoolDepth = new JTextField(15);
    JButton poolCalc = new JButton("Calculate");
    JLabel poolVol = new JLabel("Volume");
    JTextField inPoolVol = new JTextField(10);


    JLabel tubLength = new JLabel("Enter Length");
    JLabel tubWidth = new JLabel("Enter Width");
    JLabel tubDepth = new JLabel("Enter Depth");
    JTextField inTubLength = new JTextField(15);
    JTextField inTubWidth = new JTextField(15);
    JTextField inTubDepth = new JTextField(15);
    JButton tubCalc = new JButton("Calculate");
    JLabel tubVol = new JLabel("Volume");
    JTextField inTubVol = new JTextField(10);


    public SwimmingPoolVolumeCalculator()
    {
        setTitle("SwimmingPoolVolumeCalculator");
        JTabbedPane qTab = new JTabbedPane();
        getContentPane().add(qTab);
        JPanel jp1 = new JPanel();
        JPanel jp2 = new JPanel();
        JPanel jp3 = new JPanel();
        JPanel jp4 = new JPanel();
        JPanel jp5 = new JPanel();
        JPanel jp6 = new JPanel();
        JPanel jp7 = new JPanel();
        JPanel jp8 = new JPanel();

        qTab.addTab("General", jp1);
        qTab.addTab("Contractor", jp2);
        qTab.addTab("Customer", jp3);
        qTab.addTab("Company", jp4);
        qTab.addTab("Temperature",jp5);
        qTab.addTab("Length", jp6);
        qTab.addTab("Pool", jp7);
        qTab.addTab("Hot Tubs", jp8);



        String celsius = "C";
        String fahrenheit = "F";
        degree.addItem(celsius);
        degree.addItem(fahrenheit);


        //Tab 1 Field population
        jp1.add(welLabel);
        jp1.add(dateLabel);
        jp1.add(date);
        jp1.add(exit);


        //Tab 2 Field population
        jp2.add(contractor);
        jp2.add(conInput);
        jp2.add(address);
        jp2.add(addInput);
        jp2.add(cityInput);
        jp2.add(stateInput);
        jp2.add(zipInput);
        jp2.add(city);
        jp2.add(state);
        jp2.add(zip);
        jp2.add(update);
        jp2.add(conPane);

        //Tab 3 Field population
        jp3.add(customer);
        jp3.add(custInput);
        jp3.add(cAddress);
        jp3.add(cAddInput);
        jp3.add(cCityInput);
        jp3.add(cStateInput);
        jp3.add(cZipInput);
        jp3.add(cCity);
        jp3.add(cState);
        jp3.add(cZip);
        jp3.add(cUpdate);
        jp3.add(custPane);


        //Tab 4 Field population        
        jp4.add(company);
        jp4.add(compInput);
        jp4.add(compUpdate);
        jp4.add(compInfo);



        //Tab 5 Field population
        jp5.add(inputTemp);
        jp5.add(temp);
        jp5.add(degree);
        jp5.add(tempAnswer);
        jp5.add(converted);
        jp5.add(tempCalc);

        //Tab 6 Field population
        jp6.add(meters);
        jp6.add(meterField);
        jp6.add(feet);
        jp6.add(feetField);
        jp6.add(convert);
        feetField.setEditable(false);

        //Tab 7 Field population
        jp7.add(poolLength);
        jp7.add(inPoolLength);
        jp7.add(poolWidth);
        jp7.add(inPoolWidth);
        jp7.add(poolDepth);
        jp7.add(inPoolDepth);
        jp7.add(poolCalc);
        jp7.add(poolVol);
        jp7.add(inPoolVol);
        inPoolVol.setEditable(false);

        //Tab 8 Field population
        jp8.add(tubLength);
        jp8.add(inTubLength);
        jp8.add(tubWidth);
        jp8.add(inTubWidth);
        jp8.add(tubDepth);
        jp8.add(inTubDepth);
        jp8.add(tubCalc);
        jp8.add(tubVol);
        jp8.add(inTubVol);
        inTubVol.setEditable(false);



        poolCalcHandler pchandler = new poolCalcHandler();
        poolCalc.addActionListener(pchandler);

        tubCalcHandler tchandler = new tubCalcHandler();
        tubCalc.addActionListener(tchandler);

        convertButtonHandler cvhandler = new convertButtonHandler();
        convert.addActionListener(cvhandler);

        updateButtonHandler ubhandler = new updateButtonHandler();
        update.addActionListener(ubhandler);

        custUpButtonHandler cubhandler = new custUpButtonHandler();
        cUpdate.addActionListener(cubhandler);

        compButtonHandler comphandler = new compButtonHandler();
        compUpdate.addActionListener(comphandler);
    }


    class poolCalcHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e)
        {
            DecimalFormat num = new DecimalFormat("###.##");
            double width;
            double length;
            double depth;
            double volume;
            String instring;

            instring = inPoolLength.getText();
            if (instring.equals(""))
            {
                instring = "0";
                inPoolLength.setText("0");
            }
            length = Double.parseDouble(instring);
            instring = inPoolWidth.getText();
            if (instring.equals(""))
            {
                instring = "0";
                inPoolWidth.setText("0");           
            }
            width = Double.parseDouble(instring);
            instring = inPoolDepth.getText();
            if (instring.equals(""))
            {
                instring = "0";
                inPoolDepth.setText("0");
            }
            depth = Double.parseDouble(instring);
            volume = length * width * depth;
            inPoolVol.setText(num.format(volume));
        }   
    }
    class tubCalcHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e)
        {
            DecimalFormat num = new DecimalFormat("###.##");
            double width;
            double length;
            double depth;
            double volume;
            String instring;

            instring = inTubLength.getText();
            if (instring.equals(""))
            {
                instring = "0";
                inTubLength.setText("0");
            }
            length = Double.parseDouble(instring);
            instring = inTubWidth.getText();
            if (instring.equals(""))
            {
                instring = "0";
                inTubWidth.setText("0");            
            }
            width = Double.parseDouble(instring);
            instring = inTubDepth.getText();
            if (instring.equals(""))
            {
                instring = "0";
                inTubDepth.setText("0");
            }
            depth = Double.parseDouble(instring);
            volume = length * width * depth;
            inTubVol.setText(num.format(volume));
        }   
    }
    class convertButtonHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e)
        {
            DecimalFormat num = new DecimalFormat("###.##");
            double feetConvert;
            double knownMeter;
            String instring;

            instring = meterField.getText();
            if (instring.equals(""))
            {
                instring = "0";
                meterField.setText("0");
            }
            knownMeter = Double.parseDouble(instring);
            feetConvert = knownMeter * 3.281;
            feetField.setText(num.format(feetConvert));         
        }
    }
     class updateButtonHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e)
        {
            BufferedWriter bufferedWriter = null;

            try
            {
                bufferedWriter = new BufferedWriter(new FileWriter("contractor.txt"));
                bufferedWriter.write(conInput.getText());
                bufferedWriter.newLine();
                bufferedWriter.write(addInput.getText());
                bufferedWriter.newLine();
                bufferedWriter.write(cityInput.getText()+ ", "+stateInput.getText()+ " "+zipInput.getText());
            }catch (FileNotFoundException ex) {
                ex.printStackTrace();
            } catch (IOException ex) {
                ex.printStackTrace();
            } finally {
                try {
                    bufferedWriter.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
                try {
                    if (bufferedWriter != null) {
                        bufferedWriter.flush();
                        bufferedWriter.close();
                    }
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
            BufferedReader in = null;
            try {
                in = new BufferedReader(new FileReader("contractor.txt"));
            } catch (FileNotFoundException e2) {
                e2.printStackTrace();
            }
               String str = null;
               try {
                while ((str = in.readLine()) != null) 
                   {
                    conPane.append(str);

                   }
            } catch (IOException e1) {
                e1.printStackTrace(); 
            }

        }
    }
     class custUpButtonHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e)
        {
BufferedWriter bufferedWriter = null;

            try
            {
                bufferedWriter = new BufferedWriter(new FileWriter("customer.txt"));
                bufferedWriter.write(custInput.getText());
                bufferedWriter.newLine();
                bufferedWriter.write(addInput.getText());
                bufferedWriter.newLine();
                bufferedWriter.write(cityInput.getText()+ ", "+stateInput.getText()+ " "+zipInput.getText());
            }catch (FileNotFoundException ex) {
                ex.printStackTrace();
            } catch (IOException ex) {
                ex.printStackTrace();
            } finally {
                try {
                    bufferedWriter.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
                try {
                    if (bufferedWriter != null) {
                        bufferedWriter.flush();
                        bufferedWriter.close();
                    }
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
            BufferedReader in = null;
            try {
                in = new BufferedReader(new FileReader("customer.txt"));
            } catch (FileNotFoundException e2) {
                e2.printStackTrace();
            }
               String str = null;
               try {
                while ((str = in.readLine()) != null) 
                   {
                    custPane.append(str);

                   }
            } catch (IOException e1) {
                e1.printStackTrace(); 
            }

        }
    }
    class compButtonHandler implements ActionListener
    {
        public void actionPerformed(ActionEvent e)
        {
            compInfo.setText(compInput.getText());
        }
    }






    public static void main(String[] args)
    {

        SwimmingPoolVolumeCalculator instance = new SwimmingPoolVolumeCalculator();
        instance.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        instance.setVisible(true);
        instance.setSize(510, 400);
    }
}

It should be as easy as

private void New_Name()
{
    this.setTitle(newTitle.getText());
}

But that isn't working for me. Any help would truly be appreciated. Thanks!

3
Contributors
2
Replies
4
Views
5 Years
Discussion Span
Last Post by ObSys
0

Something like that should work. The problem must lie somewhere else. Maybe if you post the actual code that isn't working...?

1

If you invoke a JFrame object in the start of your code you may be able to refer to the identifier later on.

JFrame newFrame = new JFrame();
newFrame.setSize(x,y);
newFrame.setDefaulCloseOperation(JFrame.EXIT_ON_CLOSE);
newFrame.setTitle("My Frame");
etc etc....

//Later on go back the the newFrame identifier
newFrame.setTitle("Company name");

Just an idea.

Edited by ObSys

This topic has been dead for over six months. Start a new discussion instead.
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