// File: Form1.java (Module 11)
//
// Author: Rahul Simha
// Created: November 4, 1998.
//
// A simple form.

import java.awt.*;
import java.awt.event.*;
import java.util.*;        // For "Properties".
import java.io.*;          // For file I/O.

class NewFrame extends Frame {

  // Data.
  Panel centerpanel;       // For the questions.
  ScrollPane sc;           // For placing the centerpanel.

  TextField lastname_tf;   // To get the lastname.
  String lastname;

  TextField firstname_tf;  // Firstname.
  String firstname;

  TextField networth_tf;   // Net worth
  String networth;

  TextArea address_ta;     // Address (TextArea)
  String address;
  

  // Constructor.
  public NewFrame (int width, int height)
  {
    this.setTitle ("Snoot Club Membership Form");
    this.setResizable (true);
    this.setBackground (Color.white);
    this.setSize (width, height);
    // this.setLayout (new BorderLayout());

    // First, a welcome message:
    Label L = new Label ("Please fill out the following form:");
    L.setFont (new Font ("Serif", Font.BOLD | Font.ITALIC, 15));
    L.setForeground (Color.blue);
    this.add (L, BorderLayout.NORTH);

    // Now the center panel.
    centerpanel = new Panel ();
    centerpanel.setLayout (new GridLayout (4,1));

    // Each of the methods first_name() etc 
    // will return a panel.
    centerpanel.add (first_name ());
    centerpanel.add (last_name ());
    centerpanel.add (net_worth ());
    centerpanel.add (address ());

    // Next, a scrollpane for the form.
    sc = new ScrollPane ();
    sc.add (centerpanel);
    this.add (sc, BorderLayout.CENTER);

    // Next, a panel of two buttons at the bottom.
    Panel bottom_panel = new Panel ();

    // A submit button.
    Button submit = new Button ("Submit");
    submit.setBackground (Color.green);
    submit.setFont (new Font ("Serif", Font.PLAIN | Font.BOLD, 15));
    submit.addActionListener (
      new ActionListener () {
        public void actionPerformed (ActionEvent a)
	{
	  // Perform submit task.
	  submit ();
	}  
      }
    );
    bottom_panel.add (submit);

    Button quitb = new Button ("Quit");
    quitb.setBackground (Color.red);
    quitb.setFont (new Font ("Serif", Font.PLAIN | Font.BOLD, 15));
    quitb.addActionListener (
      new ActionListener () {
        public void actionPerformed (ActionEvent a)
	{
	  System.exit (0);
	}  
      }
    );
    bottom_panel.add (quitb);


    // Now add the panel to the frame.
    this.add (bottom_panel, BorderLayout.SOUTH);

    // Finally, show the frame.
    this.setVisible (true);
  }


  // No-parameter constructor.
  public NewFrame () 
  {
    this (500, 300);
  }


  // Read in the first name.

  Panel first_name ()
  {
    Panel subpanel = new Panel ();

    Label L = new Label ("First Name");
    L.setFont (new Font ("SansSerif", Font.ITALIC, 20));
    subpanel.add (L);

    firstname_tf = new TextField (20);
    firstname_tf.setForeground (Color.blue);
    firstname_tf.addTextListener (
      new TextListener () {
        public void textValueChanged (TextEvent t)
	{
	  // Store in the string "firstname".
	  firstname = firstname_tf.getText();
	}  
      }
    );
    subpanel.add (firstname_tf);

    return subpanel;
  }


  // Get last name.

  Panel last_name ()
  {
    Panel subpanel = new Panel ();

    Label L = new Label ("Last Name");
    L.setFont (new Font ("SansSerif", Font.ITALIC, 20));
    subpanel.add (L);

    lastname_tf = new TextField (20);
    lastname_tf.setForeground (Color.blue);
    lastname_tf.addTextListener (
      new TextListener () {
        public void textValueChanged (TextEvent t)
	{
	  lastname = lastname_tf.getText();
	}  
      }
    );
    subpanel.add (lastname_tf);

    return subpanel;
  }


  // Get net worth.

  Panel net_worth ()
  {
    Panel subpanel = new Panel ();

    Label L = new Label ("Net worth (in millions)");
    L.setFont (new Font ("SansSerif", Font.ITALIC, 20));
    subpanel.add (L);

    networth_tf = new TextField (10);
    networth_tf.setForeground (Color.blue);
    networth_tf.addTextListener (
      new TextListener () {
        public void textValueChanged (TextEvent t)
	{
	  networth = networth_tf.getText();
	}  
      }
    );
    subpanel.add (networth_tf);

    return subpanel;
  }


  // Get address via a TextArea.

  Panel address ()
  {
    Panel subpanel = new Panel ();

    Label L = new Label ("Address");
    L.setFont (new Font ("SansSerif", Font.ITALIC, 20));
    subpanel.add (L);

    // Default size: 4 lines, 30 chars wide.
    address_ta = new TextArea (4, 30);
    address_ta.setForeground (Color.blue);
    address_ta.addTextListener (
      new TextListener () {
        public void textValueChanged (TextEvent t)
	{
	  address = address_ta.getText();
	}  
      }
    );
    subpanel.add (address_ta);

    return subpanel;
  }


  // Process data when ready.

  void submit ()
  {
    // Create a file by concatenating firstname and lastname.
    String filename = firstname + lastname;
    if (filename.length() == 0) return;

    // We will use a "Properties" instance to store data.
    Properties p = new Properties ();
    p.put ("firstname", firstname);
    p.put ("lastname", lastname);
    p.put ("networth", networth);
    p.put ("address", address);

    // Use the "save" feature of the Properties instance.
    try {
      FileOutputStream f = new FileOutputStream (filename);
      p.save (f, "Member information");
    }
    catch (IOException e) {
      System.out.println (e);
      System.exit (0);
    }
  }

}


public class Form1 {
  public static void main (String[] argv)
  {
    NewFrame nf = new NewFrame (500, 300);
  }
}