@Data
abstract class Component {
    protected String type;
    protected String name;
    public Component(String type,String name) {
        this.type = type;
        this.name = name;
    }
    public abstract void add(Component component) throws Exception;
    public abstract void remove(Component component) throws Exception;
    public void draw(){
        System.out.println(String.format("print %s(%s)", this.getType(), this.getName()));
    }
}

class Control extends Component {
    public Control(String type,String name) {
        super(type,name);
    }

    @Override
    public void add(Component component) throws Exception {
        throw new Exception("不能在Control中新增Control");
    }

    @Override
    public void remove(Component component) throws Exception {
        throw new Exception("不能删除下级Control");
    }
}

public class Frame extends Component {
    private List<Component> componentList;

    public Frame(String type, String name) {
        super(type, name);
        componentList = new ArrayList<>();
    }

    @Override
    public void add(Component component) throws Exception {
        if (componentList == null) {
            componentList = new ArrayList<>();
        }
        componentList.add(component);
    }

    @Override
    public void remove(Component component) throws Exception {
        if (componentList == null) {
            return;
        }
        componentList.remove(component);
    }

    @Override
    public void draw() {
        super.draw();
        for (Component component : componentList) {
            component.draw();
        }
    }
}

public class WindowsManager {
    Frame window = new Frame("Window", "WINDOW窗口");

    public WindowsManager() throws Exception {
        window.add(new Control("Picture", "LOGO图片"));
        window.add(new Control("Button", "登录"));
        window.add(new Control("Button", "注册"));
        Frame fram = new Frame("Frame", "FRAME1");
        window.add(fram);
        fram.add(new Control("Label", "用户名"));
        fram.add(new Control("TextBox", "文本框"));
        fram.add(new Control("Label", "密码"));
        fram.add(new Control("PasswordBox", "密码框"));
        fram.add(new Control("CheckBox", "复选框"));
        fram.add(new Control("TextBox", "记住用户名"));
        fram.add(new Control("LinkLable", "忘记密码"));
    }

    public void draw(){
        this.window.draw();
    }
}