| /****************************************************************************** |
| * Copyright (c) 2004, 2010 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.runtime.gef.ui.figures; |
| |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.PointList; |
| import org.eclipse.draw2d.geometry.PrecisionPoint; |
| import org.eclipse.draw2d.geometry.PrecisionRectangle; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gmf.runtime.draw2d.ui.figures.IOvalAnchorableFigure; |
| import org.eclipse.gmf.runtime.draw2d.ui.geometry.LineSeg; |
| |
| |
| /** |
| * @author oboyko |
| * |
| * Window - Preferences - Java - Code Style - Code Templates |
| */ |
| public class SlidableOvalAnchor |
| extends SlidableAnchor { |
| |
| /** |
| * Default constructor |
| */ |
| public SlidableOvalAnchor() { |
| super(); |
| } |
| |
| /** |
| * Creates default <Code>SlidableOvalAnchor</Code> with a reference points |
| * at the center of the figure |
| * |
| * @param f the <code>IOvalAnchorableFigure</code> that this anchor will be associated with |
| */ |
| public SlidableOvalAnchor(IOvalAnchorableFigure f) { |
| super(f); |
| } |
| |
| /** |
| * Creates <Code>SlidableOvalAnchor</Code> with a specified reference points |
| * |
| * @param f the <code>IOvalAnchorableFigure</code> that this anchor will be associated with |
| * @param p the <code>PrecisionPoint</code> that the anchor will initially attach to. |
| */ |
| public SlidableOvalAnchor(IOvalAnchorableFigure f, PrecisionPoint p) { |
| super(f,p); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.gef.ui.figures.SlidableAnchor#getIntersectionPoints(org.eclipse.draw2d.geometry.Point, org.eclipse.draw2d.geometry.Point) |
| */ |
| protected PointList getIntersectionPoints(Point ownReference, Point foreignReference) { |
| Rectangle ellipseBox = new PrecisionRectangle(((IOvalAnchorableFigure)getOwner()).getOvalBounds()); |
| getOwner().translateToAbsolute(ellipseBox); |
| return (new LineSeg(ownReference, foreignReference)).getLineIntersectionsWithEllipse(ellipseBox); |
| } |
| } |
| |