IsisAjaxPagingNavigation.java

/**
 *  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.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.ajax.markup.html.navigation.paging.AjaxPagingNavigation;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.list.LoopItem;
import org.apache.wicket.markup.html.navigation.paging.IPageable;
import org.apache.wicket.markup.html.navigation.paging.IPagingLabelProvider;


public class IsisAjaxPagingNavigation extends AjaxPagingNavigation {

    private static final long serialVersionUID = 1L;

    /** Attribute for active state */
    private final AttributeModifier activeAttribute = AttributeModifier.append("class", "active");

    public IsisAjaxPagingNavigation(String id, IPageable pageable, IPagingLabelProvider labelProvider) {
        super(id, pageable, labelProvider);
    }

    public IsisAjaxPagingNavigation(String id, IPageable pageable) {
        super(id, pageable);
    }
    
    @Override
    protected Link<?> newPagingNavigationLink(String id, IPageable pageable, long pageIndex) {
        return new IsisAjaxPagingNavigationLink(id, pageable, pageIndex);
    }

    @Override
    protected void populateItem(final LoopItem loopItem) {
        super.populateItem(loopItem);
        if ((getStartIndex() + loopItem.getIndex()) == pageable.getCurrentPage()) {
            loopItem.add(activeAttribute);
        }
    }
}