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/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.area;
import java.util.ArrayList;
import java.util.Iterator;
// this is a reference area block area with 0 border and padding
public class Span extends Area {
// the list of flow reference areas in this span area
ArrayList flowAreas;
int height;
public Span(int cols) {
flowAreas = new ArrayList(cols);
}
public void addFlow(Flow flow) {
flowAreas.add(flow);
flow.setParent(this);
}
public int getColumnCount() {
return flowAreas.size();
}
public int getHeight() {
return height;
}
public Flow getFlow(int count) {
return (Flow) flowAreas.get(count);
}
/**
* Maximum available BPD for a Span is the maxBPD for its containing
* MainReference less the content BPD of any previous spans
*/
public MinOptMax getMaxBPD() {
MinOptMax maxbpd = parent.getMaxBPD();
MainReference mainref = (MainReference)parent;
Iterator spanIter = mainref.getSpans().iterator();
while (spanIter.hasNext()) {
Span s = (Span)spanIter.next();
if (s == this) break;
maxbpd = MinOptMax.subtract(maxbpd, s.getContentBPD());
}
return maxbpd;
}
}
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