fileprogress.java

java实现msn的功能

/*
 * @(#)FileProgress.java
 *
 * Copyright (c) 2002, Jang-Ho Hwang
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 	1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 	2. Redistributions 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.
 *
 * 	3. Neither the name of the Jang-Ho Hwang nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *    $Id: FileProgress.java,v 1.2 2002/03/13 09:40:39 xrath Exp $
 */
package rath.jmsn.file;

import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.*;

import rath.msnm.msg.MimeMessage;

import rath.msnm.ftp.VolatileTransfer;
import rath.jmsn.ToolBox;
import rath.jmsn.ui.DialogAppender;

import rath.jmsn.util.Msg;
/**
 *
 * @author Jang-Ho Hwang, [e-mail]
 * @version $Id: FileProgress.java,v 1.2 2002/03/13 09:40:39 xrath Exp $
 */
public class FileProgress extends JProgressBar implements ActionListener
{
	private VolatileTransfer transfer;
	private DialogAppender appender;
	private Timer timer = null;
	private int oldValue;

	public FileProgress( DialogAppender appender )
	{
		super( 0, 100 );

		setFont( ToolBox.FONT );
		setBorder( BorderFactory.createLineBorder( Color.black, 1 ) );

		this.appender = appender;
		this.timer = new Timer( 500, this );
		setStringPainted( true );

		setPreferredSize( new Dimension(80, 20) );
	}

	public void setTransfer( VolatileTransfer transfer )
	{
		this.transfer = transfer;
		this.timer.start();
		setToolTipText( transfer.getFilename() );
	}

	public void actionPerformed( ActionEvent e )
	{
		int percent = transfer.getCommitPercent();
		if( oldValue != percent )
		{
			oldValue = percent;
			setValue( percent );
			setString( percent + "%" );

			if( percent==100 )
			{
				timer.stop();
				processEnded();
			}
		}
	}

	private void processEnded()
	{
		final Component me = this;
		SwingUtilities.invokeLater( new Runnable() {
			public void run()
			{
				JPanel panel = (JPanel)getParent();
				if( panel!=null )
				{
					panel.remove( me );
					panel.doLayout();
					panel.validate();
					panel.repaint();
				}
			}
		});

		MimeMessage msg = new MimeMessage();
		msg.setMessage( Msg.get("file.transfer.complete", transfer.getFilename()) );
		appender.appendMessage( msg );
	}

}