/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.demo.jpa;
import java.util.Map;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.SessionScoped;
import javax.persistence.EntityManager;
import org.richfaces.component.SortOrder;
import com.google.common.collect.Maps;
/**
* @author Nick Belaevski
*
*/
@ManagedBean
@SessionScoped
public class PersonBean {
private static final class PersonDataModel extends JPADataModel<Person> {
private PersonDataModel(EntityManager entityManager) {
super(entityManager, Person.class);
}
@Override
protected Object getId(Person t) {
return t.getId();
}
}
@ManagedProperty(value = "#{persistenceService}")
private PersistenceService persistenceService;
private Map<String, SortOrder> sortOrders = Maps.newHashMapWithExpectedSize(1);
private Map<String, String> filterValues = Maps.newHashMap();
public void setPersistenceService(PersistenceService persistenceService) {
this.persistenceService = persistenceService;
}
public Map<String, SortOrder> getSortOrders() {
return sortOrders;
}
public Map<String, String> getFilterValues() {
return filterValues;
}
public SortOrder getSortOrder(String name) {
SortOrder sortOrder = getSortOrders().get(name);
if (sortOrder == null) {
sortOrder = SortOrder.unsorted;
}
return sortOrder;
}
public void switchSortOrder(String name) {
SortOrder newSortOrder = null;
switch (getSortOrder(name)) {
case unsorted:
newSortOrder = SortOrder.ascending;
break;
case ascending:
newSortOrder = SortOrder.descending;
break;
case descending:
newSortOrder = SortOrder.ascending;
break;
default:
throw new IllegalStateException();
}
sortOrders.clear();
sortOrders.put(name, newSortOrder);
}
public Object getDataModel() {
return new PersonDataModel(persistenceService.getEntityManager());
}
}