/*
	BRecord
	=======
	Author Chris Pollett
	Course:  CSCI 102 Clark University
	Date: Jan. 20

	Purpose:	Display three buttons in an applet record 
	========	the left right button presses into a cRecorder
			class. Then print out this list when the middle
			button is pressed

	How to Use:
	===========
	javac BRecord.java cRecorder.java
	
	
	appletviewer BRecord

	Methods:
	========
	init() -- overrides Applet init() to initialise Buttons and
		TextArea as well as cRecorder class.
	actionPerformed(ActionEvent e) -- handles events generated by Buttons
			 presses as described in Purpose. 
	
	
*/
	  
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.Font;


public class BRecord extends Applet implements ActionListener {
	private Font font;
	private Button left, right, pTextArea;
	private Label name; 
	private cRecorder history; //used to store button presses
	private TextArea ta;
	private String l="left", r="right";	

	public void init()
	{//post: background colour set and GUI components
		//of BRecord initialised. cRecorder class history
		//instantiatiated 

		setBackground(new Color(00,255,255)); //background is cyan
		font = new Font ("SansSerif",Font.BOLD,24);
		
		history = new cRecorder(); //instantiate history

		setLayout(new BorderLayout(5,5)); //use BorderLayout
		
		//
		//now we add the Button's and the TextArea
		//

		name= new Label("Button Recorder");
		name.setFont(font);
		add(name, BorderLayout.NORTH);

		left = new Button("Left");
		left.addActionListener(this);
		add(left, BorderLayout.WEST);
				
		right = new Button("Right");				
		right.addActionListener(this);
		add(right, BorderLayout.EAST);

		pTextArea = new Button("Print");
		pTextArea.addActionListener(this);
		add(pTextArea, BorderLayout.CENTER);

		ta = new TextArea("Buttons Pressed",10,10,
TextArea.SCROLLBARS_VERTICAL_ONLY);
		ta.setEditable( false);
		add(ta, BorderLayout.SOUTH);

		
	}

	public void actionPerformed(ActionEvent e)
	{ //post: a left right button event is recorded into history
		// or a list of key presses is set in the TextArea
		// and the list cleared
		if(e.getSource() == left) //left button
		{
			history.add(l);
		}
		else if (e.getSource() == right) //right button
		{
			history.add(r);
		}
		else if(e.getSource() == pTextArea) //middle button
		{
			ta.setText("Buttons Pressed\n"+history.toString());
			history.clear();
		}
	}
}