AboutPanel.java

/*
 * Copyright (c) 1998-2017 by Richard A. Wilkes. All rights reserved.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, version 2.0. If a copy of the MPL was not distributed with
 * this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This Source Code Form is "Incompatible With Secondary Licenses", as
 * defined by the Mozilla Public License, version 2.0.
 */

package com.trollworks.gcs.app;

import com.trollworks.toolkit.annotation.Localize;
import com.trollworks.toolkit.ui.GraphicsUtilities;
import com.trollworks.toolkit.ui.image.StdImage;
import com.trollworks.toolkit.utility.BundleInfo;
import com.trollworks.toolkit.utility.Localization;
import com.trollworks.toolkit.utility.Version;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;

import javax.swing.JPanel;
import javax.swing.UIManager;

/** The about box contents. */
public class AboutPanel extends JPanel {
	@Localize("Version %s")
	@Localize(locale = "de", value = "Version %s")
	@Localize(locale = "ru", value = "Версия %s")
	@Localize(locale = "es", value = "Versión %s")
	private static String	VERSION_FORMAT;
	@Localize("%s %s\n%s Architecture\nJava %s")
	@Localize(locale = "de", value = "%s %s\n%s-Architektur\nJava %s")
	@Localize(locale = "ru", value = "%s %s\n%s Архитектура\nJava %s")
	@Localize(locale = "es", value = "%s %s\n%s Arquitectura\nJava %s")
	private static String	PLATFORM_FORMAT;
	@Localize("GURPS is a trademark of Steve Jackson Games, used by permission. All rights reserved.\nThis product includes copyrighted material from the GURPS game, which is used by permission of Steve Jackson Games.\nThe iText Library is licensed under LGPL 2.1 by Bruno Lowagie and Paulo Soares.\nThe Trove Library is licensed under LGPL 2.1 by Eric D. Friedman and Rob Eden.\nThe PDFBox and FontBox libraries are licensed under the Apache License v2 by the Apache Software Foundation.")
	private static String	LICENSES;
	@Localize("Unknown build date")
	@Localize(locale = "de", value = "Unbekanntes Erstellungsdatum")
	@Localize(locale = "ru", value = "Неизвестная дата сборки")
	@Localize(locale = "es", value = "Fecha de compilación desconocida")
	private static String	UNKNOWN_BUILD_DATE;
	@Localize("Development Version")
	@Localize(locale = "de", value = "Entwicklungsversion")
	@Localize(locale = "ru", value = "Разрабатываемая версия")
	@Localize(locale = "es", value = "Versión de Desarrollo")
	private static String	DEVELOPMENT;

	static {
		Localization.initialize();
	}

	private static final String	SEPARATOR	= "\n";	//$NON-NLS-1$
	private static final int	HMARGIN		= 4;

	/** Creates a new about panel. */
	public AboutPanel() {
		setOpaque(true);
		setBackground(Color.black);
		StdImage img = GCSImages.getAbout();
		setPreferredSize(new Dimension(img.getWidth(), img.getHeight()));
	}

	@Override
	protected void paintComponent(Graphics g) {
		Graphics2D gc = GraphicsUtilities.prepare(g);
		super.paintComponent(gc);
		GCSImages.getAbout().paintIcon(this, gc, 0, 0);
		RenderingHints saved = (RenderingHints) gc.getRenderingHints().clone();
		gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
		gc.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
		Font baseFont = UIManager.getFont("TextField.font"); //$NON-NLS-1$
		gc.setFont(baseFont.deriveFont(10f));
		gc.setColor(Color.WHITE);
		int right = getWidth() - HMARGIN;
		int y = draw(gc, LICENSES, getHeight() - HMARGIN, right, true, true);
		BundleInfo bundleInfo = BundleInfo.getDefault();
		long version = bundleInfo.getVersion();
		int y2 = draw(gc, bundleInfo.getCopyrightBanner(), y, right, false, true);
		draw(gc, String.format(PLATFORM_FORMAT, System.getProperty("os.name"), System.getProperty("os.version"), System.getProperty("os.arch"), System.getProperty("java.version")), y, right, false, false);//$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
		y2 = draw(gc, version != 0 ? Version.toBuildTimestamp(version) : UNKNOWN_BUILD_DATE, y2, right, false, true);
		gc.setFont(baseFont.deriveFont(Font.BOLD, 12f));
		draw(gc, version != 0 ? String.format(VERSION_FORMAT, Version.toString(version, false)) : DEVELOPMENT, y2, right, false, true);
		gc.setRenderingHints(saved);
	}

	private static int draw(Graphics2D gc, String text, int y, int right, boolean addGap, boolean onLeft) {
		String[] one = text.split(SEPARATOR);
		FontMetrics fm = gc.getFontMetrics();
		int fHeight = fm.getAscent() + fm.getDescent();
		for (int i = one.length - 1; i >= 0; i--) {
			gc.drawString(one[i], onLeft ? HMARGIN : right - fm.stringWidth(one[i]), y);
			y -= fHeight;
		}
		if (addGap) {
			y -= fHeight / 2;
		}
		return y;
	}
}