/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.ajax.gwt.helper;
import org.apache.commons.lang.StringUtils;
import org.jahia.ajax.gwt.client.data.GWTJahiaLanguage;
import org.jahia.bin.Jahia;
import org.jahia.registries.ServicesRegistry;
import org.jahia.services.content.decorator.JCRSiteNode;
import org.jahia.services.sites.JahiaSite;
import org.jahia.services.sites.JahiaSitesBaseService;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.utils.LanguageCodeConverters;
import org.slf4j.Logger;
import java.util.*;
/**
* Helper class for language-related actions.
* User: ktlili
* Date: Jan 18, 2010
* Time: 2:16:33 PM
*/
public class LanguageHelper {
private static Logger logger = org.slf4j.LoggerFactory.getLogger(LanguageHelper.class);
/**
* Get available languages for the current site
*
* @param site
* @param user
* @param currentLocale
* @return
*/
public List<GWTJahiaLanguage> getLanguages(JCRSiteNode site, JahiaUser user, Locale currentLocale) {
List<GWTJahiaLanguage> items = new ArrayList<GWTJahiaLanguage>();
try {
if (site != null && site.getLanguages() != null && site.getLanguages().size()>0) {
final Set<String> languageSettings = site.getLanguages();
final Set<String> mandatoryLanguages = site.getMandatoryLanguages();
final Set<String> activeLanguages = site.getActiveLanguages();
if (languageSettings != null && languageSettings.size() > 0) {
final TreeSet<String> orderedLangs = new TreeSet<String>();
orderedLangs.addAll(languageSettings);
for (String langCode : orderedLangs) {
GWTJahiaLanguage item = new GWTJahiaLanguage();
item.setLanguage(langCode);
item.setDisplayName(getDisplayName(langCode));
item.setImage(getLangIcon(Jahia.getContextPath(), langCode));
item.setCurrent(langCode.equalsIgnoreCase(currentLocale.toString()));
item.setActive(activeLanguages.contains(langCode));
item.setMandatory(mandatoryLanguages.contains(langCode));
items.add(item);
}
}
} else {
JCRSiteNode siteByKey = (JCRSiteNode) ServicesRegistry.getInstance().getJahiaSitesService().getSiteByKey(
JahiaSitesBaseService.SYSTEM_SITE_KEY).getNode();
final Set<String>languages = siteByKey.getLanguages();
final Set<String> activeLanguages = siteByKey.getActiveLanguages();
final Set<String> mandatoryLanguages = site.getMandatoryLanguages();
final TreeSet<String> orderedLangs = new TreeSet<String>();
orderedLangs.addAll(languages);
for (String langCode : orderedLangs) {
GWTJahiaLanguage item = new GWTJahiaLanguage();
item.setLanguage(langCode);
item.setDisplayName(getDisplayName(langCode));
item.setImage(getLangIcon(Jahia.getContextPath(), langCode));
item.setCurrent(langCode.equalsIgnoreCase(currentLocale.toString()));
item.setActive(activeLanguages.contains(langCode));
item.setMandatory(mandatoryLanguages.contains(langCode));
items.add(item);
}
}
} catch (Exception e) {
logger.error("Error while creating change site link", e);
}
return items;
}
/**
* Get current lang
*
* @return
* @param locale
*/
public GWTJahiaLanguage getCurrentLang(Locale locale) {
String langCode = locale.toString();
GWTJahiaLanguage item = new GWTJahiaLanguage();
item.setLanguage(langCode);
item.setDisplayName(getDisplayName(langCode));
item.setImage(getLangIcon(Jahia.getContextPath(), langCode));
return item;
}
/**
* Get icon style depending and the selected language
*
* @param locale
* @return
*/
public static String getLangIcon(String contextPath, String locale) {
return contextPath + "/css/images/flags/" + locale + "_on.png";
}
/**
* Get display name
*
* @param langCode
* @return
*/
public static String getDisplayName(String langCode) {
if (langCode == null) {
return "";
}
langCode = langCode.replace("-", "_");
Locale currentLocale = LanguageCodeConverters.getLocaleFromCode(langCode);
return StringUtils.capitalize(currentLocale.getDisplayName(currentLocale));
}
}