/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* 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:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.config.graph.parts;
import org.eclipse.draw2d.AbstractConnectionAnchor;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* @author Leo Dos Santos
* @author Christian Dupuis
*/
public class TopAnchor extends AbstractConnectionAnchor {
private final int offset;
public TopAnchor(IFigure source, int offset) {
super(source);
this.offset = offset;
}
public Point getLocation(Point reference) {
Rectangle r = getOwner().getBounds().getCopy();
getOwner().translateToAbsolute(r);
int off = offset;
if (off == -1) {
off = r.width / 2;
}
return r.getTopLeft().translate(off, 0);
}
@Override
public Point getReferencePoint() {
Point ref = getOwner().getBounds().getTop();
getOwner().translateToAbsolute(ref);
return ref;
}
}