net.ontopia.topicmaps.viz.AboutFrame.java Source code

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/*
 * #!
 * Ontopia Vizigator
 * #-
 * Copyright (C) 2001 - 2013 The Ontopia Project
 * #-
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * !#
 */

package net.ontopia.topicmaps.viz;

import java.awt.Color;
import java.awt.Component;
import java.awt.Frame;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JLabel;
import javax.swing.JPanel;
import net.ontopia.Ontopia;
import org.apache.commons.io.IOUtils;

public class AboutFrame extends JDialog {
    public AboutFrame(Frame parent) {
        super(parent, Messages.getString("Viz.About", "Ontopia Vizigator"), true);

        JPanel mainPanel = new JPanel();
        mainPanel.setBackground(Color.white);
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
        mainPanel.add(createImagePanel());
        mainPanel.add(createAboutTextPanel());

        this.getContentPane().add(mainPanel);
        this.pack();
        this.setResizable(false);
        //    Center the dialog box above its parent
        this.setLocation((parent.getX() + (parent.getWidth() - this.getWidth()) / 2),
                parent.getY() + (parent.getHeight() - this.getHeight()) / 2);
    }

    private Component createImagePanel() {
        Box main = new Box(BoxLayout.X_AXIS);
        Icon aboutImage = this.getAboutImage();
        JLabel imageLabel;
        if (aboutImage == null)
            imageLabel = new JLabel("Ontopia AS - The TopicMap People");
        else
            imageLabel = new JLabel(aboutImage);
        main.add(imageLabel);
        return main;
    }

    private Icon getAboutImage() {
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        InputStream input = ClassLoader.getSystemResourceAsStream("net/ontopia/topicmaps/viz/logo.gif");

        if (input == null)
            return null;

        try {
            IOUtils.copy(input, output);
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }

        return new ImageIcon(output.toByteArray());
    }

    private JEditorPane createAboutTextPanel() {

        JEditorPane about = new JEditorPane("text/html", "<html>" + "<body><center>"
                + "<h1>Vizigator&#8482;: VizDesktop&#8482;</h1>" + "<h3>Version: " + Ontopia.getInfo() + "</h3>"
                + "<p>Topic Map visualization and configuration tool based on the graphic visualization product, TouchGraph </p>"
                + "<p>Copyright &#0169; 2004-2007 Ontopia AS</p>"
                + "<p>The Ontopians wish you Happy Vizigating</p><br></center></body></html>");

        about.setEditable(false);
        return about;
    }
}