/*
* 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.arrangeablemodel;
import java.io.Serializable;
import java.util.Map;
import java.util.Map.Entry;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import javax.persistence.EntityManager;
import org.richfaces.component.SortOrder;
import com.google.common.collect.Maps;
/**
* @author Nick Belaevski
*/
@ManagedBean
@SessionScoped
public class PersonBean implements Serializable {
private static final long serialVersionUID = -5156711102367948040L;
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();
}
}
private Map<String, SortOrder> sortOrders = Maps.newHashMapWithExpectedSize(1);
private Map<String, String> filterValues = Maps.newHashMap();
private String sortProperty;
public PersonBean() {
sortOrders.put("name", SortOrder.unsorted);
sortOrders.put("surname", SortOrder.unsorted);
sortOrders.put("email", SortOrder.unsorted);
}
private EntityManager lookupEntityManager() {
FacesContext facesContext = FacesContext.getCurrentInstance();
PersistenceService persistenceService = facesContext.getApplication().evaluateExpressionGet(facesContext,
"#{persistenceService}", PersistenceService.class);
return persistenceService.getEntityManager();
}
public Map<String, SortOrder> getSortOrders() {
return sortOrders;
}
public Map<String, String> getFilterValues() {
return filterValues;
}
public String getSortProperty() {
return sortProperty;
}
public void setSortProperty(String sortPropety) {
this.sortProperty = sortPropety;
}
public void toggleSort() {
for (Entry<String, SortOrder> entry : sortOrders.entrySet()) {
SortOrder newOrder;
if (entry.getKey().equals(sortProperty)) {
if (entry.getValue() == SortOrder.ascending) {
newOrder = SortOrder.descending;
} else {
newOrder = SortOrder.ascending;
}
} else {
newOrder = SortOrder.unsorted;
}
entry.setValue(newOrder);
}
}
public Object getDataModel() {
return new PersonDataModel(lookupEntityManager());
}
}