org.xaloon.wicket.component.navigation.LinkDecorator.java Source code

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Here is the source code for org.xaloon.wicket.component.navigation.LinkDecorator.java

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/*
 * 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.xaloon.wicket.component.navigation;

import java.io.Serializable;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.list.LoopItem;

/**
 * @author vytautas r.
 */
public class LinkDecorator implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    private LoopItem loopItem;

    private long currentPage;

    private long startIndex;

    /**
     * @param loopItem
     * @return this instance
     */
    public LinkDecorator withLoopItem(LoopItem loopItem) {
        this.loopItem = loopItem;
        return this;
    }

    /**
     * @param currentPage
     * @return this instance
     */
    public LinkDecorator withCurrentPage(long currentPage) {
        this.currentPage = currentPage;
        return this;
    }

    /**
     * @param startIndex
     * @return this instance
     */
    public LinkDecorator withStartIndex(long startIndex) {
        this.startIndex = startIndex;
        return this;
    }

    /**
     * 
     */
    public void decorate() {
        final long pageIndex = startIndex + loopItem.getIndex();

        Component component = loopItem.get("pageLink");
        if ((component != null) && (pageIndex == currentPage)) {
            component.add(AttributeModifier.replace("class", "nav_current_page"));
        }
    }
}