drawingcontroller.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 22 行

package com.javapatterns.state.drawingtool;

public class DrawingController
{
    private Tool tool;

    public void mousePressed()
    {
        tool.handleMousePress();
    }

    public void setTool(Tool tool)
    {
        this.tool = tool;
    }

    public void processKeyboard() { }

    public void initialize() { }

}