week3

public interface Component {
    void draw();
}

public abstract class BasicComponent implements Component {
    private String title;
    public BasicComponent(String title){
        this.title = title;
    }
    @Override
    public void draw(){
        drawEle();
    };
    public String getTitle() {
        return title;
    }
    public abstract void drawEle();
}

import java.util.ArrayList;
import java.util.List;
public abstract class ContainerComponent implements Component {
    private String title;
    private List<Component> componentList = new ArrayList<>();
    public ContainerComponent(String title){
        this.title = title;
    }
    @Override
    public void draw(){
        drawEle();
        if (componentList.size() > 0) {
            for (Component component : componentList) {
                component.draw();
            }
        }
    }
    public void addComponent(Component component) {
        if (component != null) componentList.add(component);
    }
    public String getTitle() {
        return title;
    }
    public abstract void drawEle();
}

public class WinForm extends ContainerComponent {
    public WinForm(String title) {
        super(title);
    }
    @Override
    public void drawEle() {
        System.out.println(String.format("WinForm(%s)", getTitle()));
    }
}

public class Picture extends BasicComponent {
    public Picture(String title) {
        super(title);
    }
    @Override
    public void drawEle() {
        System.out.println(String.format("Picture(%s)", getTitle()));
    }
}

public class Test {
    public static void main(String[] args) {
        WinForm win = new WinForm("WINDOW窗口");
        win.addComponent(new Picture("LOGO图片"));
        win.addComponent(new Button("登录"));
        win.addComponent(new Button("注册"));
        Frame frame = new Frame("FRAME1");
        frame.addComponent(new Label("用户名"));
        frame.addComponent(new TextBox("文本框"));
        frame.addComponent(new Label("密码"));
        frame.addComponent(new PasswordBox("密码框"));
        frame.addComponent(new CheckBox("复选框"));
        frame.addComponent(new TextBox("记住用户名"));
        frame.addComponent(new LinkLable("忘记密码"));
        win.addComponent(frame);
        win.draw();
    }
}