setconstraintcommand.java

来自「一个eclipse插件源代码。用于web开发」· Java 代码 · 共 120 行

/*
 * $Header: /home/cvs/WEBPUMP2.0/WebPumpIDE_Src/WebPumpIDE/src/com/webpump/ui/gefmodule/command/SetConstraintCommand.java,v 1.1.1.1 2004/07/01 09:07:46 wang_j Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/07/01 09:07:46 $
 *
 * ====================================================================
 *
 * 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.command;

import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;

import com.webpump.ui.gefmodule.model.Page;

/**
 * Class for SetConstraintCommand
 * 
 * @author shi_l
 * @version 2.0.0 2004-5-30
 */
public class SetConstraintCommand extends org.eclipse.gef.commands.Command {

	/**new position*/
	private Point newPos;

	/**new size*/
	private Dimension newSize;

	/**old position*/
	private Point oldPos;

	/**old size*/
	private Dimension oldSize;

	/**part*/
	private Page part;

	/**
	 * execute
	 */
	public void execute() {
		oldSize = part.getSize();
		oldPos = part.getLocation();
		part.setLocation(newPos);
		part.setSize(newSize);
	}

	/**
	 * get label
	 */
	public String getLabel() {
		if (oldSize.equals(newSize))
			return "Move Object";
		return "Resize Object";
	}

	/**
	 * redo
	 */
	public void redo() {
		part.setSize(newSize);
		part.setLocation(newPos);
	}

	/**
	 * set location
	 * @param r Rectangle
	 */
	public void setLocation(Rectangle r) {
		setLocation(r.getLocation());
		setSize(r.getSize());
	}

	/**
	 * set location
	 * @param p Point
	 */
	public void setLocation(Point p) {
		newPos = p;
	}

	/**
	 * set part
	 * @param part Page
	 */
	public void setPart(Page part) {
		this.part = part;
	}

	/**
	 * set size
	 * @param p Dimension
	 */
	public void setSize(Dimension p) {
		newSize = p;
	}

	/**
	 * undo
	 */
	public void undo() {
		part.setSize(oldSize);
		part.setLocation(oldPos);
	}
}