/*
 * 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.myfaces.examples.listexample;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

/**
 * DOCUMENT ME!
 * @author Thomas Spiegl (latest modification by $Author: grantsmith $)
 * @version $Revision: 472610 $ $Date: 2006-11-08 20:46:34 +0100 (Wed, 08 Nov 2006) $
 */
public class SimpleSortableCarList extends SortableList
{
    private List _cars;

    public SimpleSortableCarList()
    {
        super("type");

        _cars = new ArrayList();
        _cars.add(new SimpleCar(1, "car A", "red"));
        _cars.add(new SimpleCar(1, "car B", "blue"));
        _cars.add(new SimpleCar(1, "car C", "green"));
        _cars.add(new SimpleCar(1, "car D", "yellow"));
        _cars.add(new SimpleCar(1, "car E", "orange"));
    }

    public List getCars()
    {
        sort(getSort(), isAscending());
        return _cars;
    }

    protected boolean isDefaultAscending(String sortColumn)
    {
        return true;
    }

    protected void sort(final String column, final boolean ascending)
    {
        Comparator comparator = new Comparator()
        {
            public int compare(Object o1, Object o2)
            {
                SimpleCar c1 = (SimpleCar)o1;
                SimpleCar c2 = (SimpleCar)o2;
                if (column == null)
                {
                    return 0;
                }
                if (column.equals("type"))
                {
                    return ascending ? c1.getType().compareTo(c2.getType()) : c2.getType().compareTo(c1.getType());
                }
                else if (column.equals("color"))
                {
                    return ascending ? c1.getColor().compareTo(c2.getColor()) : c2.getColor().compareTo(c1.getColor());
                }
                else return 0;
            }
        };
        Collections.sort(_cars, comparator);
    }
}