Untitled

package teclado;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Arrays;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/**
 * Simple swing based typing tutor using frame
 * @author
 * @date
 */
public class TypingTutor extends JFrame implements KeyListener
{
//Individual keyboard rows
String firstRow[] = {"~","1","2","3","4","5","6","7","8","9","0","-","+","<<<<<"};//BackSpace
String secondRow[] = {"Tab","Q","W","E","R","T","Y","U","I","O","P","[","]","\\"};
String thirdRow[] = {"Caps","A","S","D","F","G","H","J","K","L",":","\"","Enter"};
String fourthRow[] = {"Shift","Z","X","C","V","B","N","M",",",".","?","   ^" };
String fifthRow[]={"      " ,"<" ,"\\/",">" };

//all keys without shift key press
String noShift="`1234567890-=qwertyuiop[]\\asdfghjkl;'zxcvbnm,./";
//special charactors on keyboard that has to be addressed duing keypress
String specialChars ="~-+[]\\;',.?";

//Jbuttons corresponting to each individual rows
JButton first[];

JButton second[];

JButton third[];

JButton fourth[];

JButton fifth[];

//default color of the button to be repainted when key released
Color cc = new JButton().getBackground();

/*
 * Invoked when a key has been pressed.
 * @see java.awt.event.KeyListener#keyPressed(java.awt.event.KeyEvent)
 */
public void keyPressed(KeyEvent evt)
{


}//end of keypressed

/**
 * Invoked when a key has been released.
 */
public void keyReleased(KeyEvent evt)
{

}

/*
 * Driver main method to start the application
 */
public static void main(String[] args) {
    //launch typing tutor
    new TypingTutor().setVisible(true);
}
/*
 * No argument construtor to create frame
 */
public TypingTutor()
{
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    //set non resizable
    this.setResizable(false);
    //super.setSize(500,300);
    //set size of the content pane ie frame
    this.getContentPane().setPreferredSize(new Dimension(1000,600));
    //super.getContentPane().setSize(800,400);
    //set location for the frame
    this.setLocation(50,50);

    //init and paint frame
    initWidgets();
}

/**
 * Method to initialize frame component
 */
private void initWidgets()
{
    //set the text area on top
    JTextArea  text = new JTextArea();
    text.setPreferredSize(new Dimension(800,200));
    //JScrollPane scrollPane = new JScrollPane(text);
    //scrollPane.setPreferredSize(new Dimension(800, 200));

   // add(typingArea, BorderLayout.PAGE_START);
   // add(scrollPane, BorderLayout.CENTER);
    //set the info label on top
    JLabel info = new JLabel("<html>Type some text using your keyboard.The keys you press will be highlighted and text will be displayed.<br> Note : Clicking the buttons with your mouse will not perform any action. <br><br> </html>" );
    //set the bold font for info
    info.setFont(new Font("Verdana",Font.BOLD,14));

    /*set the layout and place compomnet in place and pack it */
    setLayout(new BorderLayout());
    /*Various panel for the layout */
    JPanel jpNorth = new JPanel();
    JPanel jpCenter = new JPanel();
    JPanel jpKeyboard = new JPanel();
    JPanel jpNote = new JPanel();
    add( jpNorth, BorderLayout.NORTH);
    add( jpNote);
    add( jpCenter, BorderLayout.CENTER);
    add(jpKeyboard, BorderLayout.SOUTH);

    jpNorth.setLayout(new BorderLayout());
    jpNorth.add(info, BorderLayout.WEST);
    jpNorth.add(info, BorderLayout.SOUTH);

    jpCenter.setLayout( new BorderLayout());
    jpCenter.add(text, BorderLayout.WEST);
    jpCenter.add(text, BorderLayout.CENTER);

    //add(text,BorderLayout.WEST);
   // add(scrollPane,BorderLayout.CENTER);

    //layout for keyboard
    jpKeyboard.setLayout(new GridLayout(5,1));
    //pack the components
    pack();

    /*paint first keyboard row  and add it to the keyboard*/
    first = new JButton[firstRow.length];
    //get the panel for the  row
    JPanel p = new JPanel(new GridLayout(1, firstRow.length));
    for(int i = 0; i < firstRow.length; ++i)
    {
        JButton b= new JButton(firstRow[i]);
        b.setPreferredSize(new Dimension(100,50));
        first[i] = b;
        p.add(first[i]);
    }
    jpKeyboard.add(p);

    /*paint second keyboard row  and add it to the keyboard*/
    second = new JButton[secondRow.length];
    //get the panel for the  row
    p = new JPanel(new GridLayout(1, secondRow.length));
    for(int i = 0; i < secondRow.length; ++i)
    {
        second[i] = new JButton(secondRow[i]);
        p.add(second[i]);

    }
    jpKeyboard.add(p);

    /*paint third keyboard row  and add it to the keyboard*/

    third = new JButton[thirdRow.length];
    //get the panel for the  row
    p = new JPanel(new GridLayout(1, thirdRow.length));
    for(int i = 0; i < thirdRow.length; ++i)
    {
        third[i] = new JButton(thirdRow[i]);
        p.add(third[i]);
    }
    jpKeyboard.add(p);

    /*paint fourth keyboard row  and add it to the keyboard*/
    fourth = new JButton[fourthRow.length];
    //get the panel for the  row
    p = new JPanel(new GridLayout(1, fourthRow.length));
    for(int i = 0; i < fourthRow.length; ++i)
    {
        fourth[i] = new JButton(fourthRow[i]);
        p.add(fourth[i]);
        if(i==fourthRow.length-2)
            p.add(new JPanel());

    }
    p.add(new JPanel());
    jpKeyboard.add(p);

    //paint the fifth row
    fifth = new JButton[fifthRow.length];
    //get the panel for the  row
    p = new JPanel(new GridLayout(1, fifthRow.length));
    /*put empty panel for layout adjustments */
    for(int i = 0; i < 1; ++i)
    {
        JPanel  spacePanel = new JPanel();
        p.add(spacePanel);
    }
    /*draw the buttons */
    for(int i = 0; i < fifthRow.length; ++i)
    {
        if(i==1) //space bar panel
        {
            JButton b = new JButton(fifthRow[i]);
            b.setPreferredSize(new Dimension(400,10));
            b.setBounds(10, 10, 600, 100);
            fifth[i]=b;
            //add empty panels for layout
            p.add(new JPanel());p.add(new JPanel());p.add(new JPanel());p.add(new JPanel());p.add(new JPanel());p.add(new JPanel());p.add(new JPanel());p.add(new JPanel());
        }
        else
        {
            fifth[i]=new JButton(fifthRow[i]);
        }
        if(i==0) //first black panel
        {
             //place a black panel at first
               JPanel  spacePanel = new JPanel();
               p.add(spacePanel);
        }

        p.add(fifth[i]);

    }
    jpKeyboard.add(p);
    /*add listeners */
    getContentPane().addKeyListener(this);
    text.addKeyListener(this);
    /*add listeners to all the button */
    for(JButton b : first)
        b.addKeyListener(this);

    for(JButton b : second)
        b.addKeyListener(this);
    for(JButton b : third)
        b.addKeyListener(this);

    for(JButton b : fourth)
        b.addKeyListener(this);

    for(JButton b : fifth)
        b.addKeyListener(this);

    } //end of initWidgets

    @Override
    public void keyTyped(KeyEvent e) {
            }
}//end of class