| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.authoring.gef.edit; |
| |
| import org.eclipse.draw2d.AbstractConnectionAnchor; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| /** |
| * Provides support for bottom anchor for a figure's bottom location. |
| * |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| class BottomAnchor extends AbstractConnectionAnchor { |
| |
| private int offset; |
| |
| BottomAnchor(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; |
| if (r.contains(reference) || r.bottom() > reference.y) |
| return r.getTopLeft().translate(off, 0); |
| else |
| return r.getBottomLeft().translate(off, -1); |
| } |
| |
| } |