import javax.swing.text.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.text.*;
import java.io.*;
import java.util.*;

public class RForm extends JFrame
{
ArrayList persons;

public static void main(String [] args)
{
new RForm();
}

JTextField name, fname, add, pro;
JFormattedTextField cnic, age;
JButton saveButton, exitButton;



public RForm()
{

persons = new ArrayList();

this.setTitle("Voter Registration Form");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel1 = new JPanel();

ButtonListener b1 = new ButtonListener();
ButtonListener b2 = new ButtonListener();

panel1.setLayout(new GridBagLayout());
addItem(panel1, new JLabel("Voter Registration Form"),
0, 0, 2, 1, GridBagConstraints.NORTH);
addItem(panel1, new JLabel("CNIC"),
0, 1, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("Name"),
0, 2, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("Father/Husband Name"),
0, 3, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("Age"),
0, 4, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("Address"),
0, 5, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("Province"),
0, 6, 1, 1, GridBagConstraints.EAST);

MaskFormatter cnicMask = null;

try {

cnicMask = new MaskFormatter("#####-#######-#");
}catch (ParseException e){
e.printStackTrace();
}

MaskFormatter ageMask = null;

try {

ageMask = new MaskFormatter("##");
}catch (ParseException e){
e.printStackTrace();
}

cnic = new JFormattedTextField(cnicMask);
cnic.setPreferredSize(new Dimension(225,20));
name = new JTextField(20);
fname = new JTextField(20);
age = new JFormattedTextField(ageMask);
age.setPreferredSize(new Dimension(225,20));
add = new JTextField(20);
pro = new JTextField(20);

addItem(panel1, cnic, 1, 1, 1, 1,
GridBagConstraints.WEST);
addItem(panel1, name, 1, 2, 2, 1,
GridBagConstraints.WEST);
addItem(panel1, fname, 1, 3, 3, 1,
GridBagConstraints.WEST);
addItem(panel1, age, 1, 4, 4, 1,
GridBagConstraints.WEST);
addItem(panel1, add, 1, 5, 5, 1,
GridBagConstraints.WEST);
addItem(panel1, pro, 1, 6, 6, 1,
GridBagConstraints.WEST);


Box sizeBox = Box.createVerticalBox();


Box buttonBox = Box.createHorizontalBox();
saveButton = new JButton("Save");
exitButton = new JButton("Exit");
buttonBox.add(saveButton);
buttonBox.add(Box.createHorizontalStrut(20));
buttonBox.add(exitButton);
addItem(panel1, buttonBox, 1, 7, 7, 1,
GridBagConstraints.WEST);

saveButton.addActionListener(b1);
exitButton.addActionListener(b2);


this.add(panel1);
this.pack();
this.setVisible(true);
}


private void addItem(JPanel p, JComponent c,
int x, int y, int width, int height, int align)
{
GridBagConstraints gc = new GridBagConstraints();
gc.gridx = x;
gc.gridy = y;
gc.gridwidth = width;
gc.gridheight = height;
gc.weightx = 100.0;
gc.weighty = 100.0;
gc.insets = new Insets(5, 5, 5, 5);
gc.anchor = align;
gc.fill = GridBagConstraints.NONE;
p.add(c, gc);
}



public void addPerson(){

String cnic1 = (String)cnic.getValue();
String name1 = name.getText();
String fname1 = fname.getText();
String age1 = (String)age.getValue();
String add1 = add.getText();
String pro1 = pro.getText();

PersonInfo p = new PersonInfo(cnic1, name1, fname1, age1, add1, pro1);
persons.add(p);

}

public void ClearField(){

cnic.setValue("");
name.setText("");
fname.setText("");
age.setValue("");
add.setText("");
pro.setText("");



}

public void saveInfo (){

try{

FileWriter fr = new FileWriter ("C:\\Documents and Settings\\Administrator\\My Documents\\RForm\\input.txt");
PrintWriter pw = new PrintWriter (fr);

String s = "";

for (int i = 0; i<persons.size(); i++){

PersonInfo p = (PersonInfo)persons.get(i);

s = p.cnic + "," + p.name + "," + p.fname + "," + p.age + "," + p.add + "," + p.pro;
pw.println(s);
}
pw.close();
fr.close();



}catch(IOException e){

JOptionPane.showMessageDialog(RForm.this, "Unable to write the file !", "Error",JOptionPane.INFORMATION_MESSAGE);

}
}

private class ButtonListener implements ActionListener
{
public void actionPerformed (ActionEvent e)
{
while(true){

if (e.getSource() == exitButton)
{
System.exit(0);
}

if (e.getSource() == saveButton)

{
String cnic1 = (String)cnic.getValue();
String name1 = name.getText();
String fname1 = fname.getText();
String age1 = (String)age.getValue();
String add1 = add.getText();
String pro1 = pro.getText();

if (cnic1 != null)
{

if (name1.length()==0)
{
JOptionPane.showMessageDialog(RForm.this, "You didn't enter anyting in Name!", "Error",JOptionPane.INFORMATION_MESSAGE);
return;
}else if (fname1.length() == 0)
{
JOptionPane.showMessageDialog(RForm.this, "You didn't enter anyting in Father/Husband Name!", "Error",JOptionPane.INFORMATION_MESSAGE);
return;
}

}else{

JOptionPane.showMessageDialog(RForm.this, "You didn't enter anyting in CNIC!", "Error",JOptionPane.INFORMATION_MESSAGE);
return;
}

if(age1 != null)
{
if (add1.length() == 0)
{
JOptionPane.showMessageDialog(RForm.this, "You didn't enter anyting in Address!", "Error",JOptionPane.INFORMATION_MESSAGE);
return;
}else if (pro1.length() == 0)
{
JOptionPane.showMessageDialog(RForm.this, "You didn't enter anyting in Province!", "Error",JOptionPane.INFORMATION_MESSAGE);
return;
}else

addPerson();
saveInfo();
ClearField();

}else {

JOptionPane.showMessageDialog(RForm.this, "You didn't enter anyting in Age!", "Error",JOptionPane.INFORMATION_MESSAGE);

}

}

}
}
}
}