fixedconnectionanchor.java

来自「一个eclipse插件源代码。用于web开发」· Java 代码 · 共 97 行

/*
 * $Header: /home/cvs/WEBPUMP2.0/WebPumpIDE_Src/WebPumpIDE/src/com/webpump/ui/gefmodule/figure/FixedConnectionAnchor.java,v 1.1.1.1 2004/07/01 09:07:48 wang_j Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/07/01 09:07:48 $
 *
 * ====================================================================
 *
 * The NanJing HopeRun(IT-FOREST) Software License, Version 2.0.0
 *
 * Copyright 2003-2004 by NanJing HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and
 *                        IT Forest Corporation
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 * You shall not disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into with
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 */

package com.webpump.ui.gefmodule.figure;

import org.eclipse.draw2d.*;
import org.eclipse.draw2d.geometry.*;

/**
 * Class for FixedConnectionAnchor
 * 
 * @author shi_l
 * @version 2.0.0 2004-5-30
 */
public class FixedConnectionAnchor extends AbstractConnectionAnchor {

	/**direction*/
	private Object direction;

	/**left or right*/
	public boolean leftToRight = true;

	/**offset horizon*/
	public int offsetH;

	/**offset vertical*/
	public int offsetV;

	/**top or down*/
	public boolean topDown = true;

	/**
	 * constructor
	 * @param owner IFigure
	 */
	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);
	}

	/**
	 * get location
	 * @param reference Point
	 * @return location Point
	 */
	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;
	}

	/**
	 * get reference point
	 * @return reference point
	 */
	public Point getReferencePoint() {
		return getLocation(null);
	}

}