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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
/* $Id$ */
package org.apache.fop.layoutmgr;
import org.apache.fop.fo.flow.BasicLink;
import org.apache.fop.area.inline.InlineParent;
import org.apache.fop.area.Trait;
import org.apache.fop.area.LinkResolver;
import org.apache.fop.area.PageViewport;
/**
* LayoutManager for the fo:basic-link formatting object
*/
public class BasicLinkLayoutManager extends InlineStackingLayoutManager {
private String externalLink;
private String internalLink;
/**
* Create an fo:basic-link layout manager.
*
* @param node the formatting object that creates the area
*/
public BasicLinkLayoutManager(BasicLink node) {
super(node);
externalLink = node.getExternalDestination();
internalLink = node.getInternalDestination();
}
protected InlineParent createArea() {
InlineParent area = super.createArea();
setupBasicLinkArea(parentLM, area);
return area;
}
private void setupBasicLinkArea(LayoutManager parentLM,
InlineParent area) {
if (externalLink != null) {
area.addTrait(Trait.EXTERNAL_LINK, externalLink);
} else {
String link = internalLink;
PageViewport page = parentLM.resolveRefID(link);
if (page != null) {
area.addTrait(Trait.INTERNAL_LINK, page.getKey());
} else {
LinkResolver res = new LinkResolver(link, area);
parentLM.addUnresolvedArea(link, res);
}
}
}
}
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