Java tutorial
/** * Constellio, Open Source Enterprise Search * Copyright (C) 2010 DocuLibre inc. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * 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 Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package com.doculibre.constellio.wicket.links; import java.util.ArrayList; import java.util.List; import java.util.Locale; import org.apache.wicket.behavior.SimpleAttributeModifier; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.link.Link; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.ListView; import org.apache.wicket.model.IModel; import org.apache.wicket.model.LoadableDetachableModel; import org.apache.wicket.model.Model; import com.doculibre.constellio.utils.ConstellioSpringUtils; import com.doculibre.constellio.wicket.components.holders.LinkHolder; import com.doculibre.constellio.wicket.panels.AjaxPanel; import com.doculibre.constellio.wicket.session.ConstellioSession; @SuppressWarnings("serial") public class SwitchLocaleLinkHolder extends AjaxPanel { public SwitchLocaleLinkHolder(String id) { super(id); IModel languagesModel = new LoadableDetachableModel() { @Override protected Object load() { ConstellioSession session = ConstellioSession.get(); Locale currentLocale = session.getLocale(); List<Locale> supportedLocales = ConstellioSpringUtils.getSupportedLocales(); List<Locale> linkLocales = new ArrayList<Locale>(); for (Locale supportedLocale : supportedLocales) { if (!supportedLocale.getLanguage().equals(currentLocale.getLanguage())) { linkLocales.add(supportedLocale); } } return linkLocales; } }; add(new ListView("languages", languagesModel) { @Override protected void populateItem(ListItem item) { final Locale locale = (Locale) item.getModelObject(); String language = locale.getLanguage().toUpperCase(); item.add(new LinkHolder("linkHolder", new Model(language)) { @Override protected WebMarkupContainer newLink(String id) { Link link = new Link(id) { @Override public void onClick() { ConstellioSession.get().changeLocale(locale); } }; link.add(new SimpleAttributeModifier("class", "langue")); return link; } }); } }); } @Override public boolean isVisible() { List<Locale> supportedLocales = ConstellioSpringUtils.getSupportedLocales(); return !ConstellioSession.get().isPortletMode() && supportedLocales.size() > 1; } }