/*
* $Id$
* Copyright (C) 2001-2002 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;
// block areas hold either more block areas or line
// areas can also be used as a block spacer
// a block area may have children positioned by stacking
// or by relative to the parent for floats, tables and lists
// cacheable object
// has id information
/**
* This is the block area class.
* It holds child block areas such as other blocks or lines.
*/
public class Block extends BlockParent {
/**
* Normally stacked with other blocks.
*/
public static final int STACK = 0;
/**
* Placed relative to the flow position.
* This effects the flow placement of stacking normally.
*/
public static final int RELATIVE = 1;
/**
* Relative to the block parent but not effecting the stacking
* Used for block-container, tables and lists.
*/
public static final int ABSOLUTE = 2;
private int stacking = TB;
private int positioning = STACK;
// a block with may contain the dominant styling info in
// terms of most lines or blocks with info
/**
* Add the block to this block area.
*
* @param block the block area to add
*/
public void addBlock(Block block) {
if (children == null) {
children = new ArrayList();
}
height += block.getHeight();
children.add(block);
}
/**
* Add the line area to this block area.
*
* @param line the line area to add
*/
public void addLineArea(LineArea line) {
if (children == null) {
children = new ArrayList();
}
height += line.getHeight();
children.add(line);
}
/**
* Set the positioning of this area.
*
* @param pos the positioning to use when rendering this area
*/
public void setPositioning(int pos) {
positioning = pos;
}
/**
* Get the positioning of this area.
*
* @return the positioning to use when rendering this area
*/
public int getPositioning() {
return positioning;
}
}
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