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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;
import java.util.LinkedList;
import java.util.List;
import org.apache.fop.traits.MinOptMax;
/**
* Knuth box used to represent a line in block-progression-dimension (i.e. the width is its height).
*/
public class KnuthBlockBox extends KnuthBox {
private MinOptMax ipdRange;
/**
* Natural width of the line represented by this box. In addition to ipdRange because
* it isn't possible to get the opt value stored in a MinOptMax object.
*/
private int bpd;
private List<FootnoteBodyLayoutManager> footnoteList;
/** List of Knuth elements. This is a list of LinkedList elements. */
private List elementLists;
/**
* Creates a new box.
*
* @param width block progression dimension of this box
* @param range min, opt, max inline progression dimension of this box
* @param bpdim natural width of the line represented by this box.
* @param pos the Position stored in this box
* @param auxiliary is this box auxiliary?
*/
public KnuthBlockBox(int width, MinOptMax range, int bpdim, Position pos, boolean auxiliary) {
super(width, pos, auxiliary);
ipdRange = range;
bpd = bpdim;
footnoteList = new LinkedList<FootnoteBodyLayoutManager>();
}
/**
* Creates a new box.
*
* @param width block progression dimension of this box
* @param list footnotes cited by elements in this box. The list contains the corresponding
* FootnoteBodyLayoutManagers
* @param pos the Position stored in this box
* @param auxiliary is this box auxiliary?
*/
public KnuthBlockBox(int width, List list, Position pos, boolean auxiliary) {
super(width, pos, auxiliary);
ipdRange = MinOptMax.ZERO;
bpd = 0;
footnoteList = new LinkedList<FootnoteBodyLayoutManager>(list);
}
/**
* @return the LMs for the footnotes cited in this box.
*/
public List<FootnoteBodyLayoutManager> getFootnoteBodyLMs() {
return footnoteList;
}
/**
* @return true if this box contains footnote citations.
*/
public boolean hasAnchors() {
return (footnoteList.size() > 0);
}
/**
* Adds the given list of Knuth elements to this box' list of elements.
*
* @param list elements corresponding to a footnote body
*/
public void addElementList(List list) {
if (elementLists == null) {
elementLists = new LinkedList();
}
elementLists.add(list);
}
/**
* Returns the list of Knuth sequences registered by this box.
*
* @return a list of KnuthElement sequences corresponding to footnotes cited in this box
*/
public List getElementLists() {
return elementLists;
}
/**
* @return the inline progression dimension of this box.
*/
public MinOptMax getIPDRange() {
return ipdRange;
}
/**
* Returns the natural width (without stretching nor shrinking) of the line represented by this
* box.
*
* @return the line width
*/
public int getBPD() {
return bpd;
}
}
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