org.eclipse.gmf.examples.runtime.diagram.logic/src/org/eclipse/gmf/examples/runtime/diagram/logic/internal/figures/FixedConnectionAnchor.java

/******************************************************************************
 * Copyright (c) 2000, 2004  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.gmf.examples.runtime.diagram.logic.internal.figures;

import org.eclipse.draw2d.AbstractConnectionAnchor;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.ScalableFigure;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.PrecisionPoint;
import org.eclipse.draw2d.geometry.Rectangle;

/**
 * code copied from real logic example in gef
 */
/*
 * @canBeSeenBy org.eclipse.gmf.examples.runtime.diagram.logic.*
 */
public class FixedConnectionAnchor 
	extends AbstractConnectionAnchor
{

public boolean leftToRight = true;
public int offsetH;
public int offsetV;
public boolean topDown = true;

public FixedConnectionAnchor(IFigure owner) {
	super(owner);
}

/**
 * @see org.eclipse.draw2d.AbstractConnectionAnchor#ancestorMoved(IFigure)
 */
public void ancestorMoved(IFigure figure) {
	if (figure instanceof ScalableFigure)
		return;
	super.ancestorMoved(figure);
}

public Point getLocation(Point reference) {
	Rectangle r = getOwner().getBounds();
	int x,y;
	if (topDown)
		y = r.y + offsetV;
	else
		y = r.bottom() - 1 - offsetV;

	if (leftToRight)
		x = r.x + offsetH;
	else
		x = r.right() - 1 - offsetH;
	
	Point p = new PrecisionPoint(x,y);
	getOwner().translateToAbsolute(p);
	return p;
}

public Point getReferencePoint(){
	return getLocation(null);
}
	
/**
 * @param offsetH The offsetH to set.
 */
public void setOffsetH(int offsetH) {
	this.offsetH = offsetH;
	fireAnchorMoved();
}

/**
 * @param offsetV The offsetV to set.
 */
public void setOffsetV(int offsetV) {
	this.offsetV = offsetV;
	fireAnchorMoved();
}

}