circlestate.java

来自「源码为科学出版社出版的英文<java设计模式>(影印版)所用的所有例」· Java 代码 · 共 14 行

public class CircleState extends State
{
   private Mediator med;        //save Mediator
   public CircleState(Mediator md)
   {
      med = md;
   }
   //Draw circle where mouse clicks
   public void mouseDown(int x, int y)
   {
     med.addDrawing(new visCircle(x, y));
   }
}