SetLanguageCommand.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.menu.edit;

import com.trollworks.toolkit.annotation.Localize;
import com.trollworks.toolkit.ui.menu.Command;
import com.trollworks.toolkit.ui.widget.WindowUtils;
import com.trollworks.toolkit.utility.Localization;

import java.awt.event.ActionEvent;
import java.io.File;
import java.io.PrintWriter;
import java.util.Locale;

/** Provides a menu item to set a language for the user interface. */
public class SetLanguageCommand extends Command {
	@Localize("Automatic")
	private static String	AUTO;
	@Localize("English")
	private static String	ENGLISH;
	@Localize("German")
	private static String	GERMAN;
	@Localize("Russian")
	private static String	RUSSIAN;
	@Localize("Spanish")
	private static String	SPANISH;
	@Localize("You will need to restart GCS for this change to take effect.")
	private static String	NOTICE;

	static {
		Localization.initialize();
	}

	private static final String	CMD	= "SetLanguage:";	//$NON-NLS-1$
	private Locale				mLocale;

	private static String getTitle(Locale locale) {
		if (locale == null) {
			return AUTO;
		}
		switch (locale.getLanguage()) {
			case "en": //$NON-NLS-1$
				return ENGLISH;
			case "de": //$NON-NLS-1$
				return GERMAN;
			case "ru": //$NON-NLS-1$
				return RUSSIAN;
			case "es": //$NON-NLS-1$
				return SPANISH;
			default:
				return locale.getLanguage();
		}
	}

	public SetLanguageCommand(Locale locale) {
		super(getTitle(locale), CMD + getTitle(locale));
		mLocale = locale;
	}

	private boolean matches(Locale locale) {
		return mLocale == null ? locale == null : mLocale.equals(locale);
	}

	@Override
	public void adjust() {
		Locale locale = Localization.getLocaleOverride();
		boolean matches = matches(locale);
		setEnabled(!matches);
		setMarked(matches);
	}

	@Override
	public void actionPerformed(ActionEvent event) {
		Locale locale = Localization.getLocaleOverride();
		if (!matches(locale)) {
			File file = Localization.getLocaleOverrideFile();
			if (mLocale == null) {
				file.delete();
			} else {
				try (PrintWriter out = new PrintWriter(file)) {
					out.println(mLocale.getLanguage());
				} catch (Exception ex) {
					// Ignore
				}
			}
			WindowUtils.showWarning(null, NOTICE);
		}
	}
}