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 package net.miginfocom.layout;
 
 /*
  * License (BSD):
  * ==============
  *
  * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
  * All rights reserved.
  *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this list
 * of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 * Neither the name of the MiG InfoCom AB nor the names of its contributors may be
 * used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * @version 1.0
 * @author Mikael Grev, MiG InfoCom AB
 *         Date: 2006-sep-08
 */

A class to extend if you want to provide more control over where a component is placed or the size of it.

Note! Returned arrays from this class will never be altered. This means that caching of arrays in these methods is OK.

public abstract class LayoutCallback
{
Returns a position similar to the "pos" the component constraint.

Parameters:
comp The component wrapper that holds the actual component (JComponent is Swing and Control in SWT). Should not be altered.
Returns:
The [x, y, x2, y2] as explained in the documentation for "pos". If null is returned nothing is done and this is the default.
See also:
UnitValue
ConstraintParser.parseUnitValue(java.lang.String,boolean)
	{
		return null;
	}

Returns a size similar to the "width" and "height" in the component constraint.

Parameters:
comp The component wrapper that holds the actual component (JComponent is Swing and Control in SWT). Should not be altered.
Returns:
The [width, height] as explained in the documentation for "width" and "height". If null is returned nothing is done and this is the default.
See also:
BoundSize
ConstraintParser.parseBoundSize(java.lang.String,boolean,boolean)
	{
		return null;
	}

A last minute change of the bounds. The bound for the layout cycle has been set and you can correct there after any set of rules you like.

Parameters:
comp The component wrapper that holds the actual component (JComponent is Swing and Control in SWT).
	public void correctBounds(ComponentWrapper comp)
	{
	}
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