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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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.layoutmgr.inline;
-
- import org.apache.fop.area.LinkResolver;
- import org.apache.fop.area.Trait;
- import org.apache.fop.area.inline.BasicLinkArea;
- import org.apache.fop.area.inline.InlineArea;
- import org.apache.fop.area.inline.InlineParent;
- import org.apache.fop.datatypes.URISpecification;
- import org.apache.fop.fo.Constants;
- import org.apache.fop.fo.flow.BasicLink;
- import org.apache.fop.layoutmgr.PageSequenceLayoutManager;
- import org.apache.fop.layoutmgr.TraitSetter;
-
- /**
- * LayoutManager for the fo:basic-link formatting object
- */
- public class BasicLinkLayoutManager extends InlineLayoutManager {
-
- /**
- * Create an fo:basic-link layout manager.
- *
- * @param node the formatting object that creates the area
- */
- public BasicLinkLayoutManager(BasicLink node) {
- super(node);
- }
-
- /** {@inheritDoc} */
- protected InlineArea createArea(boolean bInlineParent) {
- InlineArea area = super.createArea(bInlineParent);
- setupBasicLinkArea(area);
- return area;
- }
-
- /*
- * Detect internal or external link and add it as an area trait
- *
- * @param area the basic-link's area
- */
- private void setupBasicLinkArea(InlineArea area) {
- BasicLink fobj = (BasicLink) this.fobj;
- // internal destinations take precedence:
- TraitSetter.addStructureTreeElement(area, fobj.getStructureTreeElement());
- if (fobj.hasInternalDestination()) {
- String idref = fobj.getInternalDestination();
- PageSequenceLayoutManager pslm = getPSLM();
- // the INTERNAL_LINK trait is added by the LinkResolver
- // if and when the link is resolved:
- LinkResolver res = new LinkResolver(idref, area);
- res.resolveIDRef(idref, pslm.getFirstPVWithID(idref));
- if (!res.isResolved()) {
- pslm.addUnresolvedArea(idref, res);
- if (area instanceof BasicLinkArea) {
- // establish back-pointer from BasicLinkArea to LinkResolver to
- // handle inline area unflattening during line bidi reordering;
- // needed to create internal link trait on synthesized basic link area
- ((BasicLinkArea)area).setResolver(res);
- }
- }
- } else if (fobj.hasExternalDestination()) {
- String url = URISpecification.getURL(fobj.getExternalDestination());
- boolean newWindow = (fobj.getShowDestination() == Constants.EN_NEW);
- if (url.length() > 0) {
- area.addTrait(Trait.EXTERNAL_LINK,
- new Trait.ExternalLink(url, newWindow));
- }
- }
- }
-
- @Override
- protected InlineParent createInlineParent() {
- return new BasicLinkArea();
- }
-
- }
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