| /* |
| * 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; |
| |
| import java.util.LinkedList; |
| |
| import org.apache.fop.area.Area; |
| import org.apache.fop.fo.flow.FootnoteBody; |
| |
| /** |
| * Layout manager for footnote bodies. |
| */ |
| public class FootnoteBodyLayoutManager extends BlockStackingLayoutManager { |
| |
| /** |
| * Creates a new FootnoteBodyLayoutManager. |
| * @param body the footnote-body element |
| */ |
| public FootnoteBodyLayoutManager(FootnoteBody body) { |
| super(body); |
| } |
| |
| /** {@inheritDoc} */ |
| 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; |
| 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); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void addChildArea(Area childArea) { |
| childArea.setAreaClass(Area.CLASS_FOOTNOTE); |
| parentLM.addChildArea(childArea); |
| } |
| |
| /** @return the FootnoteBody node */ |
| protected FootnoteBody getFootnodeBodyFO() { |
| return (FootnoteBody) fobj; |
| } |
| |
| /** {@inheritDoc} */ |
| public Keep getKeepTogether() { |
| return getParentKeepTogether(); |
| } |
| |
| /** {@inheritDoc} */ |
| public Keep getKeepWithNext() { |
| return Keep.KEEP_AUTO; |
| } |
| |
| /** {@inheritDoc} */ |
| public Keep getKeepWithPrevious() { |
| return Keep.KEEP_AUTO; |
| } |
| |
| } |