resizecommand.java

GEF初学者可以用来对照的小例子

package com.dss.moon.gef.commands;

import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.gef.commands.Command;

import com.dss.moon.gef.model.Ellipse;

public class ResizeCommand extends Command{

	private Ellipse node;
	
	private Dimension oldSize, newSize;
	
	public void setSize(Dimension s){
		newSize = s;
	}
	
	public void setNode(Ellipse n){
		node = n;
	}
	
	public void execute(){
		oldSize = node.getSize();
		node.setSize(newSize);
	}
}