flowletconnectionanchor.java

来自「一个java写的business process management系统」· Java 代码 · 共 105 行

/*
 * Copyright (c) 2003, Alexander Greif
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Flow4J-Eclipse project nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.orthanc.flow4j.designer.figures;

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

/**
 * @author agreif
 *
 * TODO
 * 
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class FlowletConnectionAnchor extends AbstractConnectionAnchor {

	private int xOffset;
	private int yOffset;

	/**
	 * TODO
	 * 
	 */
	public FlowletConnectionAnchor() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * TODO
	 * @param owner
	 */
	public FlowletConnectionAnchor(IFigure owner) {
		super(owner);
		// TODO Auto-generated constructor stub
	}


	/**
	 * TODO
	 * @param offset
	 */
	public void setOffset(int x, int y) {
		xOffset = x;
		yOffset = y;
	}





	/**
	 * @see org.eclipse.draw2d.ConnectionAnchor#getLocation(org.eclipse.draw2d.geometry.Point)
	 */
	public Point getLocation(Point reference) {
		Rectangle r = getOwner().getBounds();
		int x,y;
		x = r.x + xOffset;
		y = r.y + yOffset;
	
		Point p = new PrecisionPoint(x,y);
		getOwner().translateToAbsolute(p);
		return p;
	}

	/**
	 * @see org.eclipse.draw2d.ConnectionAnchor#getReferencePoint()
	 */
	public Point getReferencePoint(){
		return getLocation(null);
	}

}