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Java > Open Source Codes > HtmlDemo


1 /*
2  * @(#)HtmlDemo.java 1.12 05/11/17
3  *
4  * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * -Redistribution of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  *
12  * -Redistribution in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * Neither the name of Sun Microsystems, Inc. or the names of contributors may
17  * be used to endorse or promote products derived from this software without
18  * specific prior written permission.
19  *
20  * This software is provided "AS IS," without a warranty of any kind. ALL
21  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
22  * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
23  * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
24  * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
25  * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
26  * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
27  * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
28  * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
29  * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
30  * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
31  *
32  * You acknowledge that this software is not designed, licensed or intended
33  * for use in the design, construction, operation or maintenance of any
34  * nuclear facility.
35  */
36
37 /*
38  * @(#)HtmlDemo.java 1.12 05/11/17
39  */
40
41
42 import javax.swing.*;
43 import javax.swing.event.*;
44 import javax.swing.text.*;
45 import javax.swing.text.html.*;
46 import javax.swing.border.*;
47 import javax.swing.colorchooser.*;
48 import javax.swing.filechooser.*;
49 import javax.accessibility.*;
50
51 import java.awt.*;
52 import java.awt.event.*;
53 import java.beans.*;
54 import java.util.*;
55 import java.io.*;
56 import java.applet.*;
57 import java.net.*;
58
59 /**
60  * Html Demo
61  *
62  * @version 1.12 05/11/17
63  * @author Jeff Dinkins
64  */
65 public class HtmlDemo extends DemoModule {
66
67     JEditorPane html;
68     
69     /**
70      * main method allows us to run as a standalone demo.
71      */
72     public static void main(String JavaDoc[] args) {
73     HtmlDemo demo = new HtmlDemo(null);
74     demo.mainImpl();
75     }
76     
77     /**
78      * HtmlDemo Constructor
79      */
80     public HtmlDemo(SwingSet2 swingset) {
81         // Set the title for this demo, and an icon used to represent this
82 // demo inside the SwingSet2 app.
83 super(swingset, "HtmlDemo", "toolbar/JEditorPane.gif");
84     
85         try {
86         URL url = null;
87         // System.getProperty("user.dir") +
88 // System.getProperty("file.separator");
89 String JavaDoc path = null;
90         try {
91         path = "/resources/index.html";
92         url = getClass().getResource(path);
93             } catch (Exception JavaDoc e) {
94         System.err.println("Failed to open " + path);
95         url = null;
96             }
97         
98             if(url != null) {
99                 html = new JEditorPane(url);
100                 html.setEditable(false);
101                 html.addHyperlinkListener(createHyperLinkListener());
102
103         JScrollPane scroller = new JScrollPane();
104         JViewport vp = scroller.getViewport();
105         vp.add(html);
106                 getDemoPanel().add(scroller, BorderLayout.CENTER);
107             }
108         } catch (MalformedURLException e) {
109             System.out.println("Malformed URL: " + e);
110         } catch (IOException e) {
111             System.out.println("IOException: " + e);
112         }
113     }
114
115     public HyperlinkListener createHyperLinkListener() {
116     return new HyperlinkListener() {
117         public void hyperlinkUpdate(HyperlinkEvent e) {
118         if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
119             if (e instanceof HTMLFrameHyperlinkEvent) {
120             ((HTMLDocument)html.getDocument()).processHTMLFrameHyperlinkEvent(
121                 (HTMLFrameHyperlinkEvent)e);
122             } else {
123             try {
124                 html.setPage(e.getURL());
125             } catch (IOException ioe) {
126                 System.out.println("IOE: " + ioe);
127             }
128             }
129         }
130         }
131     };
132     }
133     
134     void updateDragEnabled(boolean dragEnabled) {
135         html.setDragEnabled(dragEnabled);
136     }
137     
138 }
139
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