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/*
* Copyright 1999-2005 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.area.Area;
import org.apache.fop.fo.flow.FootnoteBody;
import java.util.LinkedList;
public class FootnoteBodyLayoutManager extends BlockStackingLayoutManager {
public FootnoteBodyLayoutManager(FootnoteBody body) {
super(body);
}
public void addAreas(PositionIterator parentIter, LayoutContext layoutContext) {
LayoutManager childLM = null;
LayoutManager lastLM = null;
LayoutContext lc = new LayoutContext(0);
// "unwrap" the NonLeafPositions stored in parentIter
// and put them in a new list;
LinkedList positionList = new LinkedList();
Position pos;
boolean bSpaceBefore = false;
boolean bSpaceAfter = false;
while (parentIter.hasNext()) {
pos = (Position) parentIter.next();
//log.trace("pos = " + pos.getClass().getName() + "; " + pos);
Position innerPosition = pos;
if (pos instanceof NonLeafPosition) {
innerPosition = ((NonLeafPosition) pos).getPosition();
if (innerPosition.getLM() == this) {
// pos was created by this LM and was inside a penalty
// allowing or forbidding a page break
// nothing to do
//log.trace(" penalty");
} else {
// innerPosition was created by another LM
positionList.add(innerPosition);
lastLM = innerPosition.getLM();
//log.trace(" " + innerPosition.getClass().getName());
}
}
}
// the Positions in positionList were inside the elements
// created by the LineLM
StackingIter childPosIter = new StackingIter(positionList.listIterator());
while ((childLM = childPosIter.getNextChildLM()) != null) {
// set last area flag
lc.setFlags(LayoutContext.LAST_AREA,
(layoutContext.isLastArea() && childLM == lastLM));
// Add the line areas to Area
childLM.addAreas(childPosIter, lc);
}
}
public void addChildArea(Area childArea) {
childArea.setAreaClass(Area.CLASS_FOOTNOTE);
parentLM.addChildArea(childArea);
}
/**
* convenience method that returns the FootnoteBody node
*/
protected FootnoteBody getFootnodeBodyFO() {
return (FootnoteBody) fobj;
}
}
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