/*
** Houston - Status and Logging Toolkit
** Copyright (c) 2001, 2002, 2003 by Gerald Bauer
**
** This program is free software.
**
** You may redistribute it and/or modify it under the terms of the GNU
** Lesser General Public License as published by the Free Software Foundation.
** Version 2.1 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE.
**
*/
package houston.swing;
import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
import houston.*;
public class HtmlStatusPanel extends JPanel implements StatusListener
{
private final static String END_MARKER_ID = "201";
static Logger T = Logger.getLogger( HtmlStatusPanel.class );
private JEditorPane _browser;
private int _counter = 0;
private JScrollPane _scrollPane;
public HtmlStatusPanel()
{
setLayout( new BorderLayout() );
setBorder( BorderFactory.createEtchedBorder() );
_browser = new JEditorPane();
_browser.setEditable( false );
_browser.setContentType( "text/html" );
// note: clear sets up JEditorPane
clear();
Status.addListener( this );
_scrollPane = new JScrollPane( _browser );
add( _scrollPane, BorderLayout.CENTER );
}
public void clear()
{
// todo: isn't setText supposed to be thread-safe?
SwingUtilities.invokeLater(
new Runnable()
{
public void run()
{
String html = "<html><head></head><body><table border=0><tr><td><p id=\"" + END_MARKER_ID + "\"></td></tr></table></body></html>";
_browser.setText( html );
T.debug( "html=" + html );
/*
* HTMLDocument htmlDoc = (HTMLDocument) _browser.getDocument();
* htmlDoc.dump( System.out );
*/
}
} );
}
public void error( String msg )
{
Toolkit.getDefaultToolkit().beep();
message( "<font color=red>" + msg + "</font>" );
T.error( msg );
}
public void fatal( String msg )
{
Toolkit.getDefaultToolkit().beep();
message( "<font color=red>" + msg + "</font>" );
T.fatal( msg );
}
//
// implementation of the StatusListener Interface
//
public void hint( String msg )
{
message( "<font color=grey>" + msg + "</font>" );
T.debug( msg );
}
public void info( String msg )
{
message( msg );
T.debug( msg );
}
public void info( int level, String msg )
{
message( level, msg );
T.debug( msg );
}
public void warning( String msg )
{
message( "<font color=#ff8429>" + msg + "</font>" );
T.warning( msg );
}
private void insertHtml( final String html )
{
SwingUtilities.invokeLater(
new Runnable()
{
public void run()
{
try
{
HTMLDocument htmlDoc = ( HTMLDocument ) _browser.getDocument();
Element endMarker = htmlDoc.getElement( END_MARKER_ID );
if( endMarker == null )
{
T.error( "endMarker not found" );
}
htmlDoc.insertBeforeEnd( endMarker, html );
}
catch( Exception ioex )
{
T.error( "insertBeforeEnd failed: " + ioex.toString() );
}
}
} );
}
private void message( int level, String msg )
{
_counter++;
// String line = "<h" + level + ">" + msg + "</h" + level + ">";
String line = "<b>" + msg + "</b><br>";
insertHtml( line );
}
private void message( String msg )
{
_counter++;
// String line = msg;
String line = msg + "<br>";
insertHtml( line );
}
}
// end of class
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