AboutWindow.java

/**
 * Marabou - Audio Tagger
 * Copyright (C) 2012 - 2016 Jan-Hendrik Peters
 * https://github.com/hennr/marabou
 * Marabou is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 */
package com.github.marabou.ui.view;

import com.github.marabou.helper.AvailableImage;
import com.github.marabou.helper.ImageLoader;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;

import java.awt.*;
import java.net.URI;

import static com.github.marabou.helper.I18nHelper.i18n;

public class AboutWindow {

    private final String projectVersion;

    public AboutWindow(String projectVersion) {
        this.projectVersion = projectVersion;
    }

    /**
     * shows various information about marabou in a small window
     */
    public void show() {
        final Display display = Display.getCurrent();
        final Shell shell = new Shell(display);
        shell.setText(i18n("About Marabou"));
        shell.setImage(new ImageLoader().getImage(AvailableImage.LOGO_SMALL));
        FormLayout formLayout = new FormLayout();
        formLayout.marginBottom = 10;
        formLayout.marginTop = 10;
        formLayout.marginLeft = 10;
        formLayout.marginRight = 10;
        shell.setLayout(formLayout);

        Composite comp1 = new Composite(shell, SWT.NONE);
        RowLayout rowLayout = new RowLayout(1);
        rowLayout.center = true;
        comp1.setLayout(rowLayout);

        // close window on ESC
        shell.addListener(SWT.Traverse, new Listener() {
            @Override
            public void handleEvent(Event event) {
                if (event.detail == SWT.TRAVERSE_ESCAPE) {
                    shell.dispose();
                }
            }
        });

        // project name and version
        Label text = new Label(comp1, SWT.NONE);
        text.setText(i18n("Marabou - Audio Tagger \n" + "Version " + projectVersion));

        Image logo = new ImageLoader().getImage(AvailableImage.LOGO_BIG);
        Label labelImage = new Label(comp1, SWT.NONE);
        labelImage.setImage(logo);
        labelImage.pack();

        Label labelText = new Label(comp1, SWT.NONE);
        labelText.setAlignment(SWT.CENTER);
        labelText
            .setText(i18n("\nThe Marabou is a scavenger and so is this software.\n"
                + "It's written to eat badly tagged music files.\n"));
        labelText.pack();

        // button with project's url
        final String url = "https://github.com/hennr/marabou";
        final Button linkButton = new Button(comp1, SWT.PUSH);
        linkButton.setText(url);
        linkButton.pack();
        linkButton.addListener(SWT.Selection, new Listener() {
            @Override
            public void handleEvent(Event event) {

                try {
                    Desktop.getDesktop().browse(new URI(url));
                } catch (Exception e) {
                    // no browsing today :(
                }
            }
        });

        // dirty hack to get vertical space between the buttons
        Label space = new Label(comp1, SWT.NONE);
        space.pack();

        // horizontal row for buttons
        Composite comp2 = new Composite(comp1, SWT.None);
        RowLayout rowLayout2 = new RowLayout();
        comp2.setLayout(rowLayout2);

        Button credits = new Button(comp2, SWT.None);
        credits.setText(i18n("Cr&edits"));
        credits.addListener(SWT.Selection, new Listener() {
            @Override
            public void handleEvent(Event event) {
                CreditsWindow.showCredits();
            }
        });
        credits.pack();

        final Button licence = new Button(comp2, SWT.None);
        licence.setText(i18n("&Licence"));
        licence.addListener(SWT.Selection, new Listener() {
            @Override
            public void handleEvent(Event event) {
                new LicenceWindow().showLicence();
            }
        });
        licence.pack();

        Button close = new Button(comp2, SWT.NONE);
        close.setText(i18n("&Close"));
        close.addListener(SWT.Selection, new Listener() {
            @Override
            public void handleEvent(Event event) {
                shell.dispose();
            }
        });
        close.pack();

        shell.pack();
        shell.open();

        // close also if display gets disposed
        while (!shell.isDisposed() && display.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    }
}