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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.render.pdf;
-
- import java.util.ArrayList;
- import java.util.List;
-
- import org.apache.fop.pdf.PDFArray;
- import org.apache.fop.pdf.PDFObject;
- import org.apache.fop.pdf.PDFStructElem;
- import org.apache.fop.pdf.StructureType;
-
- class PageSequenceStructElem extends PDFStructElem {
-
- private List<PDFStructElem> regionBefores = new ArrayList<PDFStructElem>();
-
- private List<PDFStructElem> regionAfters = new ArrayList<PDFStructElem>();
-
- private List<PDFStructElem> regionStarts = new ArrayList<PDFStructElem>();
-
- private List<PDFStructElem> regionEnds = new ArrayList<PDFStructElem>();
-
- PageSequenceStructElem(PDFObject parent, StructureType structureType) {
- super(parent, structureType);
- }
-
- void addContent(String flowName, PDFStructElem content) {
- if (flowName.equals("xsl-region-before")) {
- regionBefores.add(content);
- } else if (flowName.equals("xsl-region-after")) {
- regionAfters.add(content);
- } else if (flowName.equals("xsl-region-start")) {
- regionStarts.add(content);
- } else if (flowName.equals("xsl-region-end")) {
- regionEnds.add(content);
- } else {
- addKid(content);
- }
- }
-
- @Override
- protected boolean attachKids() {
- assert !kids.isEmpty();
- PDFArray k = new PDFArray();
- addRegions(k, regionBefores);
- addRegions(k, regionStarts);
- addRegions(k, kids);
- addRegions(k, regionEnds);
- addRegions(k, regionAfters);
- put("K", k);
- return true;
- }
-
- private void addRegions(PDFArray k, List<? extends PDFObject> regions) {
- if (!regions.isEmpty()) {
- for (PDFObject kid : regions) {
- k.add(kid);
- }
- }
- }
-
- }
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