/*
* 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.tables;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;
import javax.faces.context.FacesContext;
import javax.faces.event.ValueChangeEvent;
import org.richfaces.component.SortOrder;
@ManagedBean
@ViewScoped
public class CarsSortingBean implements Serializable {
private static final long serialVersionUID = 1L;
private Map<String, SortOrder> sortsOrders;
private List<String> sortPriorities;
private boolean multipleSorting = false;
private static final String SORT_PROPERTY_PARAMETER = "sortProperty";
public CarsSortingBean() {
sortsOrders = new HashMap<String, SortOrder>();
sortPriorities = new ArrayList<String>();
}
public void sort() {
String property = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
.get(SORT_PROPERTY_PARAMETER);
if (property != null) {
SortOrder currentPropertySortOrder = sortsOrders.get(property);
if (multipleSorting) {
if (!sortPriorities.contains(property)) {
sortPriorities.add(property);
}
} else {
sortsOrders.clear();
}
if (currentPropertySortOrder == null || currentPropertySortOrder.equals(SortOrder.descending)) {
sortsOrders.put(property, SortOrder.ascending);
} else {
sortsOrders.put(property, SortOrder.descending);
}
}
}
public void modeChanged(ValueChangeEvent event) {
reset();
}
public void reset() {
sortPriorities.clear();
sortsOrders.clear();
}
public boolean isMultipleSorting() {
return multipleSorting;
}
public void setMultipleSorting(boolean multipleSorting) {
this.multipleSorting = multipleSorting;
}
public List<String> getSortPriorities() {
return sortPriorities;
}
public Map<String, SortOrder> getSortsOrders() {
return sortsOrders;
}
}