/*
* 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.wicket.examples.repeater;
import java.util.Iterator;
import org.apache.wicket.extensions.markup.html.repeater.util.SortParam;
import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider;
import org.apache.wicket.model.IModel;
/**
* implementation of IDataProvider for contacts that keeps track of sort
* information
*
* @author igor
*
*/
public class SortableContactDataProvider extends SortableDataProvider
{
/**
* constructor
*/
public SortableContactDataProvider()
{
// set default sort
setSort("firstName", true);
}
protected ContactsDatabase getContactsDB()
{
return DatabaseLocator.getDatabase();
}
/**
* @see org.apache.wicket.markup.repeater.data.IDataProvider#iterator(int, int)
*/
public Iterator iterator(int first, int count)
{
SortParam sp = getSort();
return getContactsDB().find(first, count, sp.getProperty(), sp.isAscending()).iterator();
}
/**
* @see org.apache.wicket.markup.repeater.data.IDataProvider#size()
*/
public int size()
{
return getContactsDB().getCount();
}
/**
* @see org.apache.wicket.markup.repeater.data.IDataProvider#model(java.lang.Object)
*/
public IModel model(Object object)
{
return new DetachableContactModel((Contact)object);
}
}