aboutdialog.java

myjxta是用jxta开发的一个p2p通讯软件 有聊天 文件共享 视频3大功能 界面采用swing

/*
*  Copyright (c) 2001 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:
*
*  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. The end-user documentation included with the redistribution,
*  if any, must include the following acknowledgment:
*  "This product includes software developed by the
*  Sun Microsystems, Inc. for Project JXTA."
*  Alternately, this acknowledgment may appear in the software itself,
*  if and wherever such third-party acknowledgments normally appear.
*
*  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
*  must not be used to endorse or promote products derived from this
*  software without prior written permission. For written
*  permission, please contact Project JXTA at http://www.jxta.org.
*
*  5. Products derived from this software may not be called "JXTA",
*  nor may "JXTA" appear in their name, without prior written
*  permission of Sun.
*
*  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
*  ITS 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.
*  ====================================================================
*
*  This software consists of voluntary contributions made by many
*  individuals on behalf of Project JXTA.  For more
*  information on Project JXTA, please see
*  <http://www.jxta.org/>.
*
*  This license is based on the BSD license adopted by the Apache Foundation.
*
*  $Id: AboutDialog.java,v 1.7 2007/05/28 22:00:52 nano Exp $
*/

package net.jxta.myjxta.ui;

import net.jxta.myjxta.util.Constants;
import net.jxta.myjxta.util.Resources;
import net.jxta.myjxta.util.exec.Exec;
import net.jxta.myjxta.util.exec.ExecFactory;

import javax.swing.*;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import java.awt.*;
import java.io.IOException;
import java.util.ResourceBundle;

/**
 * @author james todd [gonzo at jxta dot org]
 * @version $Id: AboutDialog.java,v 1.7 2007/05/28 22:00:52 nano Exp $
 */

public class AboutDialog
        extends JDialog {

    private static final int WIDTH = 500;
    private static final int HEIGHT = 500;
    private static final ResourceBundle STRINGS = Resources.getStrings();

    public AboutDialog(Frame frame) {
        super(frame);

        setTitle(STRINGS.getString("title.about"));

        JEditorPane jp = ui();

        getContentPane().add(new JScrollPane(jp));

        pack();
        setLocationRelativeTo(frame);
        setVisible(true);
    }

    private JEditorPane ui() {
        JEditorPane jp = new JEditorPane();

        jp.setContentType("text/html");

        try {
            jp.setPage(getClass().getResource(Constants.ABOUT_HTML));
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }

        jp.setEditable(false);
        jp.setPreferredSize(new Dimension(WIDTH, HEIGHT));
        jp.addHyperlinkListener(new HyperlinkListener() {
            public void hyperlinkUpdate(HyperlinkEvent he) {
                if (he.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                    Exec browser = ExecFactory.getExec();

                    browser.execDocument(he.getURL());
                }
            }
        });

        return jp;
    }
}