plugin/oji/MRJ/testing/ConsoleApplet/ConsoleApplet.java

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
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  14  * The Original Code is mozilla.org code.
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  16  * The Initial Developer of the Original Code is
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  18  * Portions created by the Initial Developer are Copyright (C) 1998
  19  * the Initial Developer. All Rights Reserved.
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  36
  37 /*
  38         ConsoleApplet.java
  39
  40         Simple Java console for MRJ.
  41
  42         A trusted applet that provides simple console services for the MRJ plugin.
  43         The applet's classes must be installed in the MRJClasses folder, because
  44         it alters the System.in/out/err streams.
  45
  46         by Patrick C. Beard.
  47  */
  48
  49 package netscape.console;
  50
  51 import java.io.*;
  52 import java.awt.*;
  53 import java.applet.*;
  54 import java.awt.event.*;
  55
  56 public class ConsoleApplet extends Applet {
  57         TextArea console;
  58
  59         public ConsoleApplet() {
  60                 setLayout(new BorderLayout());
  61                 add(console = new TextArea(), BorderLayout.CENTER);
  62
  63                 Panel panel = new Panel();
  64                 add(panel, BorderLayout.SOUTH);
  65
  66                 // clear console button.
  67                 ActionListener clearConsoleListener = new ActionListener() {
  68                         public void actionPerformed(ActionEvent e) {
  69                                 console.setText("");
  70                         }
  71                 };
  72
  73                 Button clearConsole = new Button("Clear");
  74                 clearConsole.addActionListener(clearConsoleListener);
  75                 panel.add(clearConsole);
  76
  77                 // dump threads button.
  78                 ActionListener dumpThreadsListener = new ActionListener() {
  79                         public void actionPerformed(ActionEvent e) {
  80                                 dumpThreads();
  81                         }
  82                 };
  83
  84                 Button dumpThreads = new Button("Dump Threads");
  85                 dumpThreads.addActionListener(dumpThreadsListener);
  86                 panel.add(dumpThreads);
  87         }
  88
  89         public void init() {
  90                 Console.init(console);
  91         }
  92
  93         public void destroy() {
  94                 Console.dispose();
  95         }
  96
  97         public void dumpThreads() {
  98                 System.out.println("Dumping threads...");
  99         }
 100 }