1 /***
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that the following conditions are
4 * met :
5 *
6 * . Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 *
9 * . Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * . The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $Id: AbstractOutputView.java,v 1.4 2005/08/26 18:11:00 mat007 Exp $
29 */
30
31 package jtge.sample.chat.common.ui;
32
33 import java.awt.Dimension;
34 import javax.swing.JComponent;
35 import javax.swing.JPanel;
36 import javax.swing.JScrollPane;
37 import javax.swing.JTextArea;
38
39 /***
40 * Provides a base class for output views.
41 *
42 * @author Mathieu Champlon
43 * @version $Revision: 1.4 $ $Date: 2005/08/26 18:11:00 $
44 */
45 public abstract class AbstractOutputView extends JPanel
46 {
47 private static final int WIDTH = 375;
48 private static final int HEIGHT = 250;
49 private final JTextArea text;
50
51 /***
52 * Create an abstract output view.
53 */
54 protected AbstractOutputView()
55 {
56 text = createText();
57 add( createScrollPane( text ) );
58 }
59
60 private JTextArea createText()
61 {
62 final JTextArea result = new JTextArea();
63 result.setLineWrap( true );
64 result.setWrapStyleWord( true );
65 result.setEditable( false );
66 result.setAutoscrolls( true );
67 return result;
68 }
69
70 private JComponent createScrollPane( final JComponent component )
71 {
72 final JScrollPane result = new JScrollPane( component );
73 result.setVerticalScrollBarPolicy( JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED );
74 result.setPreferredSize( new Dimension( WIDTH, HEIGHT ) );
75 result.setAutoscrolls( true );
76 return result;
77 }
78
79 /***
80 * Logs a message.
81 *
82 * @param message the message to log
83 */
84 protected final void log( final String message )
85 {
86 text.append( message + '\n' );
87 }
88 }