/*
* 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.extensions.markup.html.repeater.data.table.filter;
import org.apache.wicket.model.IModel;
/**
* Model that wraps filter state locator to make its use transparent to wicket components.
* <p>
* Example:
*
* <pre>
* IFilterStateLocator locator = getLocator();
* TextField tf = new TextField("tf", new FilterStateModel(locator));
* </pre>
*
* Text field tf will now use the object that filter state locator locates as its underlying model.
* </p>
*
* @param <T>
* type of filter state object
* @author Igor Vaynberg (ivaynberg)
*/
class FilterStateModel<T> implements IModel<T>
{
private static final long serialVersionUID = 1L;
private final IFilterStateLocator<T> locator;
/**
* Constructor
*
* @param locator
* IFilterStateLocator implementation used to provide model object for this model
*/
public FilterStateModel(final IFilterStateLocator<T> locator)
{
this.locator = locator;
}
@Override
public T getObject()
{
return locator.getFilterState();
}
@Override
public void setObject(final T object)
{
locator.setFilterState(object);
}
}