/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.gef.handles;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* Similar to {@link org.eclipse.draw2d.RelativeLocator}, but adds support for the
* {@link org.eclipse.gef.handles.HandleBounds} interface. If the reference figure
* implements <code>HandleBounds</code>, then {@link HandleBounds#getHandleBounds()} will
* be used as the reference box. If not, the behavior is the same as that of the
* superclass.
* @author hudsonr
*/
public class RelativeHandleLocator
extends org.eclipse.draw2d.RelativeLocator
{
/**
* Constructs a new locator using the given reference figure and location.
* @param reference the reference figure
* @param location one of NORTH, NORTH_EAST, etc.
*/
public RelativeHandleLocator(IFigure reference, int location) {
super(reference, location);
}
/**
* Overridden to check for reference figures implementing the <code>HandleBounds</code>
* interface.
* @see org.eclipse.draw2d.RelativeLocator#getReferenceBox()
*/
protected Rectangle getReferenceBox() {
IFigure f = getReferenceFigure();
if (f instanceof HandleBounds)
return ((HandleBounds)f).getHandleBounds();
return super.getReferenceBox();
}
}