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/*******************************************************************************
* Copyright (c) 2001, 2006 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.wst.wsdl.ui.internal.asd.design.connections;
import org.eclipse.draw2d.AbstractConnectionAnchor;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
public class CenteredConnectionAnchor extends AbstractConnectionAnchor
{
public static final int TOP = 0;
public static final int BOTTOM = 1;
public static final int LEFT = 2;
public static final int RIGHT = 3;
// These two are custom for rectangles with header blocks
public static final int HEADER_LEFT = 4;
public static final int HEADER_RIGHT = 5;
private int location;
private int inset;
private int offset = 0;
public CenteredConnectionAnchor(IFigure owner, int location, int inset) {
super(owner);
this.location = location;
this.inset = inset;
}
public CenteredConnectionAnchor(IFigure owner, int location, int inset, int offset) {
this(owner, location, inset);
this.offset = offset;
}
public Point getLocation(Point reference) {
Rectangle r = getOwner().getBounds();
int x, y;
switch (location) {
case TOP:
x = r.right() - r.width / 2 + offset;
y = r.y + inset;
break;
case BOTTOM:
x = r.right() - r.width / 2 + offset;
y = r.bottom() - inset;
break;
case LEFT:
x = r.x + inset;
y = r.bottom() - r.height / 2 + offset;
break;
case RIGHT:
x = r.right() - inset;
y = r.bottom() - r.height / 2 + offset;
break;
case HEADER_LEFT:
x = r.x + inset;
y = r.y + offset;
break;
case HEADER_RIGHT:
x = r.right() - inset;
y = r.y + offset;
break;
default:
// Something went wrong. Attach the anchor to the middle
x = r.right() - r.width / 2;
y = r.bottom() - r.height / 2;
}
Point p = new Point(x,y);
getOwner().translateToAbsolute(p);
return p;
}
public Point getReferencePoint() {
return getLocation(null);
}
}
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