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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.PageViewport;
import org.apache.fop.area.inline.InlineArea;
import org.apache.fop.area.inline.TextArea;
import org.apache.fop.area.inline.UnresolvedPageNumber;
import org.apache.fop.fo.flow.PageNumberCitation;
import org.apache.fop.layoutmgr.LayoutContext;
import org.apache.fop.layoutmgr.LayoutManager;
/**
* LayoutManager for the fo:page-number-citation formatting object
*/
public class PageNumberCitationLayoutManager extends AbstractPageNumberCitationLayoutManager {
/**
* Constructor
*
* @param node the formatting object that creates this area
* @asf.todo better retrieval of font info
*/
public PageNumberCitationLayoutManager(PageNumberCitation node) {
super(node);
}
/** {@inheritDoc} */
public InlineArea get(LayoutContext context) {
curArea = getPageNumberCitationInlineArea();
return curArea;
}
/**
* if id can be resolved then simply return a word, otherwise
* return a resolvable area
*/
private InlineArea getPageNumberCitationInlineArea() {
PageViewport page = getPSLM().getFirstPVWithID(fobj.getRefId());
TextArea text = null;
if (page != null) {
String str = page.getPageNumberString();
// get page string from parent, build area
text = new TextArea();
int width = getStringWidth(str);
text.addWord(str, 0);
text.setIPD(width);
resolved = true;
} else {
resolved = false;
text = new UnresolvedPageNumber(fobj.getRefId(), font);
String str = "MMM"; // reserve three spaces for page number
int width = getStringWidth(str);
text.setIPD(width);
}
updateTextAreaTraits(text);
return text;
}
}
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