/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, 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.event;

import java.util.Collection;

import javax.faces.component.UIComponent;
import javax.faces.event.FacesEvent;
import javax.faces.event.FacesListener;

/**
 * @author Nick Belaevski
 *
 */
public class TreeSelectionChangeEvent extends FacesEvent {
    private static final long serialVersionUID = 6292604445872458007L;
    private Collection<Object> oldSelection;
    private Collection<Object> newSelection;

    public TreeSelectionChangeEvent(UIComponent component, Collection<Object> oldSelection, Collection<Object> newSelection) {
        super(component);

        this.oldSelection = oldSelection;
        this.newSelection = newSelection;
    }

    @Override
    public boolean isAppropriateListener(FacesListener listener) {
        return listener instanceof TreeSelectionChangeListener;
    }

    @Override
    public void processListener(FacesListener listener) {
        ((TreeSelectionChangeListener) listener).processTreeSelectionChange(this);
    }

    public Collection<Object> getOldSelection() {
        return oldSelection;
    }

    public Collection<Object> getNewSelection() {
        return newSelection;
    }
}