src/web/java/org/apache/openmeetings/web/common/LanguageDropDown.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License") +  you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.openmeetings.web.common;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.apache.openmeetings.db.dao.label.LabelDao;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.model.IModel;

public class LanguageDropDown extends DropDownChoice<Long> {
	private static final long serialVersionUID = 1L;
	private final List<Long> languages = new ArrayList<Long>();

	public LanguageDropDown(String id, IModel<Long> model) {
		super(id, model, new ArrayList<Long>());
		internalInit();
	}
	
	public LanguageDropDown(String id) {
		super(id);
		internalInit();
	}
	
	private void internalInit() {
		for (Map.Entry<Long, Locale> e : LabelDao.languages.entrySet()) {
			languages.add(e.getKey());
		}
		setChoices(languages);
		setChoiceRenderer(new ChoiceRenderer<Long>() {
			private static final long serialVersionUID = 1L;

			@Override
			public Object getDisplayValue(Long object) {
				return LabelDao.languages.get(object).getDisplayName();
			}

			@Override
			public String getIdValue(Long object, int index) {
				return "" + object;
			}
		});
	}
}