org.apache.fop.layoutmgr.RetrieveTableMarkerLayoutManager Maven / Gradle / Ivy
/*
* 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.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.flow.RetrieveTableMarker;
import org.apache.fop.layoutmgr.inline.InlineLevelLayoutManager;
import org.apache.fop.layoutmgr.inline.LeafNodeLayoutManager;
import org.apache.fop.layoutmgr.table.TableLayoutManager;
public class RetrieveTableMarkerLayoutManager extends LeafNodeLayoutManager {
private static Log log = LogFactory.getLog(RetrieveTableMarkerLayoutManager.class);
public RetrieveTableMarkerLayoutManager(RetrieveTableMarker node) {
super(node);
}
/** {@inheritDoc} */
public List getNextKnuthElements(LayoutContext context, int alignment) {
setFinished(true);
FONode foNode = (FONode) getFObj();
foNode = getTableLayoutManager().resolveRetrieveTableMarker((RetrieveTableMarker) foNode);
if (foNode != null) {
// resolve the RTM and replace current LM by the resolved target LM
InlineLevelLayoutManager illm = (InlineLevelLayoutManager) getPSLM().getLayoutManagerMaker()
.makeLayoutManager(foNode);
if (illm instanceof RetrieveTableMarkerLayoutManager) {
// happens if the retrieve-marker was empty
return null;
}
illm.setParent(getParent());
illm.initialize();
return illm.getNextKnuthElements(context, alignment);
} else {
return null;
}
}
/** {@inheritDoc} */
public void addAreas(PositionIterator posIter, LayoutContext context) {
}
private TableLayoutManager getTableLayoutManager() {
LayoutManager parentLM = getParent();
while (!(parentLM instanceof TableLayoutManager)) {
parentLM = parentLM.getParent();
}
TableLayoutManager tlm = (TableLayoutManager) parentLM;
return tlm;
}
}