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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.Block;
- import org.apache.fop.area.inline.InlineArea;
- import org.apache.fop.fo.flow.Wrapper;
- import org.apache.fop.layoutmgr.BlockLayoutManager;
- import org.apache.fop.layoutmgr.BlockStackingLayoutManager;
- import org.apache.fop.layoutmgr.LayoutContext;
- import org.apache.fop.layoutmgr.PositionIterator;
- import org.apache.fop.layoutmgr.TraitSetter;
-
- /**
- * This is the layout manager for the fo:wrapper formatting object.
- */
- public class WrapperLayoutManager extends LeafNodeLayoutManager {
-
- /**
- * Creates a new LM for fo:wrapper.
- * @param node the fo:wrapper
- */
- public WrapperLayoutManager(Wrapper node) {
- super(node);
- }
-
- /** {@inheritDoc} */
- public InlineArea get(LayoutContext context) {
- // Create a zero-width, zero-height dummy area so this node can
- // participate in the ID handling. Otherwise, addId() wouldn't
- // be called. The area must also be added to the tree, because
- // determination of the X,Y position is done in the renderer.
- InlineArea area = new InlineArea();
- if (fobj.hasId()) {
- TraitSetter.setProducerID(area, fobj.getId());
- }
- return area;
- }
-
- /**
- * Add the area for this layout manager.
- * This adds the dummy area to the parent, *if* it has an id
- * - otherwise it serves no purpose.
- *
- * @param posIter the position iterator
- * @param context the layout context for adding the area
- */
- public void addAreas(PositionIterator posIter, LayoutContext context) {
- if (fobj.hasId()) {
- addId();
- if (parentLayoutManager instanceof BlockStackingLayoutManager
- && !(parentLayoutManager instanceof BlockLayoutManager)) {
- Block helperBlock = new Block();
- helperBlock.setChangeBarList(getChangeBarList());
- TraitSetter.setProducerID(helperBlock, fobj.getId());
- parentLayoutManager.addChildArea(helperBlock);
- } else {
- InlineArea area = getEffectiveArea(context);
- area.setChangeBarList(getChangeBarList());
- parentLayoutManager.addChildArea(area);
- }
- }
- while (posIter.hasNext()) {
- posIter.next();
- }
- }
-
- /** {@inheritDoc} */
- protected void addId() {
- getPSLM().addIDToPage(fobj.getId());
- }
-
- }
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