SubConcreteMediator.java

package designpattern.behavioral_pattern.mediator.v2;

import designpattern.behavioral_pattern.mediator.v1.Component;
import designpattern.behavioral_pattern.mediator.v1.ConcreteMediator;

public class SubConcreteMediator extends ConcreteMediator {
    //增加对Label对象的引用
    public Label label;

    public void componentChanged(Component c) {
        //单击按钮
        if (c == addButton) {
            System.out.println("--单击增加按钮--");
            list.update();
            cb.update();
            userNameTextBox.update();
            label.update(); //文本标签更新
        }
        //从列表框选择客户
        else if (c == list) {
            System.out.println("--从列表框选择客户--");
            cb.select();
            userNameTextBox.setText();
        }
        //从组合框选择客户
        else if (c == cb) {
            System.out.println("--从组合框选择客户--");
            cb.select();
            userNameTextBox.setText();
        }
    }
}