/*
 * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.TextArea;

public class PrintThread extends Applet {

    java.awt.TextArea display = new java.awt.TextArea(1, 80);
    int paintCount = 0;
    java.awt.Frame frame;

    public void init() {
        //Create the text area and make it uneditable.
    	display = new TextArea(1, 80);
        display.setEditable(false);

	//Set the layout manager so that the text area
	//will be as wide as possible.
        setLayout(new java.awt.GridLayout(1,0));

	//Add the text area to the applet.
        add(display);
        validate();

        addItem("init: " + threadInfo(Thread.currentThread()));

        frame = new PrintFrame(display);
        frame.show();
    }

    public void start() {
        addItem("start: " + threadInfo(Thread.currentThread()));
    }

    public void stop() {
        addItem("stop: " + threadInfo(Thread.currentThread()));
    }

    public void destroy() {
        addItem("destroy: " + threadInfo(Thread.currentThread()));

        if (frame != null) {
           frame.dispose();
           frame = null;
        }
    }

    String threadInfo(Thread t) {
        return "thread=" + t.getName() + ", "
               + "thread group=" + t.getThreadGroup().getName();
    }

    void addItem(String newWord) {
        System.out.println(newWord);
        display.appendText(newWord + "\n");
        display.repaint();
        //A hack to get the applet update() method called
        //occasionally:
        if (++paintCount % 4 == 0) {
            repaint();
        }
    }

    public void update(Graphics g) {
        addItem("update: " + threadInfo(Thread.currentThread()));
        super.update(g);
    }
}