#1
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    Join Date
    Nov 2012
    Posts
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    Java to HTML, enable user to enter a number of menu items


    I have this code:

    [code=Java]

    package sitecreator;

    import java.io.File;
    import java.io.FileReader;
    import java.io.FileWriter;
    import java.io.IOException;
    import javax.swing.JFileChooser;
    import javax.swing.JOptionPane;


    public class MainForm extends javax.swing.JFrame {

    public MainForm() {
    initComponents();
    }


    String getData()
    {
    FileReader fr = null;
    StringBuilder html = new StringBuilder();
    try
    {
    fr = new FileReader("template.html");
    int b;
    while ((b = fr.read()) != -1) {
    html.append(Character.toString((char) b));
    }
    fr.close();
    }
    catch(IOException ex) { JOptionPane.showMessageDialog(epContent, "Error loading template!"); }
    return html.toString();
    }
    String insertData(String template)
    {
    String[] meniPrvi = {"###menu1Link###", "###menu1Title###","###menu2Link###","###menu2Title###",
    "###menu3Link###", "###menu3Title###", "###menu4Link###", "###menu4Title###",
    "###menu5Link###", "###menu5Title###", "###menu6Link###","###menu6Title###",
    "###image1###", "###image2###", "###content###", "###footer###", "#FF9900", "#FF9901"};
    String[] meniDrugi = {tbMenu1Link.getText(),tbMenu1Title.getText(),tbMenu2Link.getText(),tbMenu2Title.getText(),
    tbMenu3Link.getText(),tbMenu3Title.getText(),tbMenu4Link.getText(), tbMenu4Title.getText(),
    tbMenu5Link.getText(), tbMenu5Title.getText(), tbMenu6Link.getText(),tbMenu6Title.getText(),
    tbImage1.getText(), tbImage2.getText(), epContent.getText(), epFooter.getText(),
    menuColor.getText(), footerColor.getText()};
    for (int i = 0; i<meniPrvi.length; i++){
    template = template.replace(meniPrvi[i], meniDrugi[i]);
    }

    return template;
    }


    void saveData(String data)
    {
    JFileChooser jfc = new JFileChooser();
    jfc.setVisible(true);
    jfc.setFileFilter(new javax.swing.filechooser.FileFilter() {

    @Override
    public boolean accept(File f) {
    if (f.isDirectory())
    return true;
    String fn = f.getName();
    String e="";
    int i = fn.lastIndexOf('.');
    if (i > 0 && i < fn.length() - 1) {
    e = fn.substring(i+1).toLowerCase();
    }
    if(e.equals("html"))
    return true;
    else
    return false;
    }
    @Override
    public String getDescription() {
    return "html files";
    }
    });
    int res = jfc.showSaveDialog(this);
    if(res!=JFileChooser.CANCEL_OPTION&&jfc.getSelectedFile()!=null)
    {
    FileWriter fw = null;

    try {
    fw = new FileWriter(jfc.getSelectedFile());
    fw.write(data);
    fw.close();
    JOptionPane.showMessageDialog(epContent, "Dokumenat je uspješno sačuvan.");
    } catch (IOException ex) { }
    finally {
    try { fw.close(); } catch (IOException ex) { }
    }
    }
    else JOptionPane.showMessageDialog(rootPane, "File not selected!");
    }


    /** This method is called from within the constructor to
    * initialize the form.
    * WARNING: Do NOT modify this code. The content of this method is
    * always regenerated by the Form Editor.
    */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

    jLabel1 = new javax.swing.JLabel();
    jLabel2 = new javax.swing.JLabel();
    jLabel3 = new javax.swing.JLabel();
    jLabel4 = new javax.swing.JLabel();
    tbMenu1Title = new javax.swing.JTextField();
    tbMenu1Link = new javax.swing.JTextField();
    tbMenu2Title = new javax.swing.JTextField();
    tbMenu3Title = new javax.swing.JTextField();
    tbMenu2Link = new javax.swing.JTextField();
    tbMenu3Link = new javax.swing.JTextField();
    tbMenu4Title = new javax.swing.JTextField();
    tbMenu5Title = new javax.swing.JTextField();
    tbMenu6Title = new javax.swing.JTextField();
    tbMenu4Link = new javax.swing.JTextField();
    tbMenu5Link = new javax.swing.JTextField();
    tbMenu6Link = new javax.swing.JTextField();
    jScrollPane1 = new javax.swing.JScrollPane();
    epContent = new javax.swing.JEditorPane();
    jScrollPane2 = new javax.swing.JScrollPane();
    epFooter = new javax.swing.JEditorPane();
    Generate = new javax.swing.JButton();
    tbImage1 = new javax.swing.JButton();
    tbImage2 = new javax.swing.JButton();
    jLabel5 = new javax.swing.JLabel();
    jLabel6 = new javax.swing.JLabel();
    jLabel7 = new javax.swing.JLabel();
    menuColor = new javax.swing.JTextField();
    footerColor = new javax.swing.JTextField();
    addFiled = new javax.swing.JButton();

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

    jLabel1.setText("Menu options ");

    jLabel2.setText("Content text");

    jLabel3.setText("Footer text");

    jLabel4.setText("Images");

    jScrollPane1.setViewportView(epContent);

    jScrollPane2.setViewportView(epFooter);

    Generate.setText("Generate");
    Generate.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
    GenerateActionPerformed(evt);
    }
    });

    tbImage1.setText("Slika 1");
    tbImage1.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
    tbImage1ActionPerformed(evt);
    }
    });

    tbImage2.setText("Slika 2");
    tbImage2.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
    tbImage2ActionPerformed(evt);
    }
    });

    jLabel5.setText("Colors");

    jLabel6.setText("Menu bg color:");

    jLabel7.setText("Footer bg color:");

    addFiled.setText("Add field");
    addFiled.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
    addFiledActionPerformed(evt);
    }
    });

    javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
    getContentPane().setLayout(layout);
    layout.setHorizontalGroup(
    layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(layout.createSequentialGroup()
    .addContainerGap()
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel1)
    .addContainerGap(400, Short.MAX_VALUE))
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel2)
    .addContainerGap(405, Short.MAX_VALUE))
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel3)
    .addContainerGap(412, Short.MAX_VALUE))
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel4)
    .addContainerGap(432, Short.MAX_VALUE))
    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
    .addComponent(jScrollPane2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 447, Short.MAX_VALUE)
    .addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 447, Short.MAX_VALUE)
    .addGroup(layout.createSequentialGroup()
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
    .addComponent(tbMenu6Title, javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(tbMenu5Title, javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(tbMenu4Title, javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(tbMenu1Title, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 130, Short.MAX_VALUE)
    .addComponent(tbMenu2Title, javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(tbMenu3Title, javax.swing.GroupLayout.Alignment.LEADING))
    .addGap(48, 48, 48)
    .addComponent(addFiled)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 68, Short.MAX_VALUE)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
    .addComponent(tbMenu2Link)
    .addComponent(tbMenu3Link)
    .addComponent(tbMenu1Link, javax.swing.GroupLayout.DEFAULT_SIZE, 126, Short.MAX_VALUE)
    .addComponent(tbMenu4Link)
    .addComponent(tbMenu5Link)
    .addComponent(tbMenu6Link)))
    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
    .addGap(153, 153, 153)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(menuColor, javax.swing.GroupLayout.DEFAULT_SIZE, 294, Short.MAX_VALUE)
    .addComponent(tbImage2, javax.swing.GroupLayout.PREFERRED_SIZE, 107, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(footerColor, javax.swing.GroupLayout.DEFAULT_SIZE, 294, Short.MAX_VALUE))))
    .addGap(20, 20, 20))
    .addGroup(layout.createSequentialGroup()
    .addComponent(tbImage1, javax.swing.GroupLayout.PREFERRED_SIZE, 101, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addContainerGap())
    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
    .addComponent(Generate)
    .addContainerGap())
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel5)
    .addContainerGap(437, Short.MAX_VALUE))
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel6)
    .addContainerGap(396, Short.MAX_VALUE))
    .addGroup(layout.createSequentialGroup()
    .addComponent(jLabel7)
    .addContainerGap(390, Short.MAX_VALUE))))
    );
    layout.setVerticalGroup(
    layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(layout.createSequentialGroup()
    .addContainerGap()
    .addComponent(jLabel1)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbMenu1Title, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(tbMenu1Link, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbMenu2Title, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(tbMenu2Link, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbMenu3Title, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(tbMenu3Link, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbMenu4Title, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(tbMenu4Link, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbMenu5Title, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(tbMenu5Link, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbMenu6Title, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(tbMenu6Link, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addComponent(addFiled))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
    .addComponent(jLabel2)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addGap(18, 18, 18)
    .addComponent(jLabel3)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
    .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addGap(18, 18, 18)
    .addComponent(jLabel4)
    .addGap(18, 18, 18)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(tbImage1)
    .addComponent(tbImage2))
    .addGap(18, 18, 18)
    .addComponent(jLabel5)
    .addGap(18, 18, 18)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(jLabel6)
    .addComponent(menuColor, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addGap(18, 18, 18)
    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(jLabel7)
    .addComponent(footerColor, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 20, Short.MAX_VALUE)
    .addComponent(Generate)
    .addContainerGap())
    );

    pack();
    }// </editor-fold>

    private void GenerateActionPerformed(java.awt.event.ActionEvent evt) {
    saveData(insertData(getData()));
    }

    private void tbImage1ActionPerformed(java.awt.event.ActionEvent evt) {
    JFileChooser jfc = new JFileChooser();
    jfc.setFileFilter(new javax.swing.filechooser.FileFilter() {

    @Override
    public boolean accept(File f) {
    if (f.isDirectory())
    return true;
    String fn = f.getName();
    String e="";
    int i = fn.lastIndexOf('.');
    if (i > 0 && i < fn.length() - 1) {
    e = fn.substring(i+1).toLowerCase();
    }
    if(e.equals("jpg")|| e.equals("gif")|| e.equals("png")
    || e.equals("tif")|| e.equals("jpeg")|| e.equals("tiff"))
    return true;
    else
    return false;
    }

    @Override
    public String getDescription() {
    return "Image files";
    }
    });


    int status = jfc.showOpenDialog(null);
    String s= "";
    if (status == JFileChooser.APPROVE_OPTION){
    s =(jfc.getSelectedFile()).toString();
    tbImage1.setText(s); }
    else if (status ==JFileChooser.CANCEL_OPTION)
    tbImage1.setText("Please select image file!");


    }

    private void tbImage2ActionPerformed(java.awt.event.ActionEvent evt) {
    JFileChooser jfc = new JFileChooser();
    jfc.setFileFilter(new javax.swing.filechooser.FileFilter() {

    @Override
    public boolean accept(File f) {
    if (f.isDirectory())
    return true;
    String fn = f.getName();
    String e="";
    int i = fn.lastIndexOf('.');
    if (i > 0 && i < fn.length() - 1) {
    e = fn.substring(i+1).toLowerCase();
    }
    if(e.equals("jpg")|| e.equals("gif")|| e.equals("png")
    || e.equals("tif")|| e.equals("jpeg")|| e.equals("tiff"))
    return true;
    else
    return false;
    }

    @Override
    public String getDescription() {
    return "Image files";
    }
    });


    int status = jfc.showOpenDialog(null);
    String s= "";
    if (status == JFileChooser.APPROVE_OPTION){
    s =(jfc.getSelectedFile()).toString();
    tbImage2.setText(s); }
    else if (status ==JFileChooser.CANCEL_OPTION)
    tbImage2.setText("Please select image file!");
    }

    private void addFiledActionPerformed(java.awt.event.ActionEvent evt) {



    }





    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
    public void run() {
    new MainForm().setVisible(true);
    }
    });
    }

    // Variables declaration - do not modify
    private javax.swing.JButton Generate;
    private javax.swing.JButton addFiled;
    private javax.swing.JEditorPane epContent;
    private javax.swing.JEditorPane epFooter;
    private javax.swing.JTextField footerColor;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTextField menuColor;
    private javax.swing.JButton tbImage1;
    private javax.swing.JButton tbImage2;
    private javax.swing.JTextField tbMenu1Link;
    private javax.swing.JTextField tbMenu1Title;
    private javax.swing.JTextField tbMenu2Link;
    private javax.swing.JTextField tbMenu2Title;
    private javax.swing.JTextField tbMenu3Link;
    private javax.swing.JTextField tbMenu3Title;
    private javax.swing.JTextField tbMenu4Link;
    private javax.swing.JTextField tbMenu4Title;
    private javax.swing.JTextField tbMenu5Link;
    private javax.swing.JTextField tbMenu5Title;
    private javax.swing.JTextField tbMenu6Link;
    private javax.swing.JTextField tbMenu6Title;
    // End of variables declaration



    }
    [/code]


    Here is the problem: I need to use button "Add field" to enable user to add two more text fields every time the button is clicked. The left field represents link name and the right text field represents link address. After those fields are entered the app uses these values to generate html document (based on a template). With the current code user can enter only six menu links (and their addresses). I need to leave the possibility for the user to use "Add field" button to add more than six menu links.
  2. #2
  3. Contributing User
    Devshed Expert (3500 - 3999 posts)

    Join Date
    Aug 2010
    Location
    Eastern Florida
    Posts
    3,696
    Rep Power
    347
    Also posted at:http://www.javaprogrammingforums.com...enu-items.html

    Can you respond to the response posted there?

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