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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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