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Java » Swing JFC » AppletScreenshots 
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/* From http://java.sun.com/docs/books/tutorial/index.html */

/*
 * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *
 * -Redistribution in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

/*
 * 1.1 version.
 */

import java.applet.Applet;
import java.applet.AppletContext;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Label;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.net.MalformedURLException;
import java.net.URL;

public class ShowDocument extends Applet implements ActionListener {
  URLWindow urlWindow;

  public void init() {
    Button button = new Button("Bring up URL window");
    button.addActionListener(this);
    add(button);

    urlWindow = new URLWindow(getAppletContext());
    urlWindow.pack();
  }

  public void destroy() {
    urlWindow.setVisible(false);
    urlWindow = null;
  }

  public void actionPerformed(ActionEvent event) {
    urlWindow.setVisible(true);
  }
}

class URLWindow extends Frame implements ActionListener {
  TextField urlField;

  Choice choice;

  AppletContext appletContext;

  public URLWindow(AppletContext appletContext) {
    super("Show a Document!");

    this.appletContext = appletContext;

    GridBagLayout gridBag = new GridBagLayout();
    GridBagConstraints c = new GridBagConstraints();
    setLayout(gridBag);

    Label label1 = new Label("URL of document to show:", Label.RIGHT);
    gridBag.setConstraints(label1, c);
    add(label1);

    urlField = new TextField("http://java.sun.com/"40);
    urlField.addActionListener(this);
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.fill = GridBagConstraints.HORIZONTAL;
    c.weightx = 1.0;
    gridBag.setConstraints(urlField, c);
    add(urlField);

    Label label2 = new Label("Window/frame to show it in:", Label.RIGHT);
    c.gridwidth = 1;
    c.weightx = 0.0;
    gridBag.setConstraints(label2, c);
    add(label2);

    choice = new Choice();
    choice.addItem("(browser's choice)")//don't specify
    choice.addItem("My Personal Window")//a window named
    //"My Personal Window"
    choice.addItem("_blank")//a new, unnamed window
    choice.addItem("_self");
    choice.addItem("_parent");
    choice.addItem("_top")//the Frame that contained this
    //applet
    c.fill = GridBagConstraints.NONE;
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.anchor = GridBagConstraints.WEST;
    gridBag.setConstraints(choice, c);
    add(choice);

    Button button = new Button("Show document");
    button.addActionListener(this);
    c.weighty = 1.0;
    c.ipadx = 10;
    c.ipady = 10;
    c.insets = new Insets(5000);
    c.anchor = GridBagConstraints.SOUTH;
    gridBag.setConstraints(button, c);
    add(button);

    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent event) {
        setVisible(false);
      }
    });
  }

  public void actionPerformed(ActionEvent event) {
    String urlString = urlField.getText();
    URL url = null;
    try {
      url = new URL(urlString);
    catch (MalformedURLException e) {
      System.err.println("Malformed URL: " + urlString);
    }

    if (url != null) {
      if (choice.getSelectedIndex() == 0) {
        appletContext.showDocument(url);
      else {
        appletContext.showDocument(url, choice.getSelectedItem());
      }
    }
  }
}

//<applet code="ShowDocument.class" width=200 height=30>
//</applet>


           
         
    
  
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