第三周作业

package com.example.CompositePattern;

/**
 * @author
 */
public abstract class Component {

    private String nodeName;

    public Component(String nodeName) {
        this.nodeName = nodeName;
    }

    /**
     *
     */
    public String printfInfo(){
        return this.nodeName;
    }
}

package com.example.CompositePattern;

import java.util.ArrayList;
import java.util.List;

public class Composite extends Component {

    public Composite(String nodeName) {
        super(nodeName);
    }

    private List<Component> subNode = new ArrayList<>();

    public void addNode(Component component){
        this.subNode.add(component);
    }

    public List<Component> getNode(){
        return this.subNode;
    }
}


package com.example.CompositePattern;

public class Leaf extends Component {

    public Leaf(String nodeName) {
        super(nodeName);
    }

}


package com.example.CompositePattern;

public class Test {

    public static void main(String[] args) {

        System.out.println(getAllNode(orgnazidData()));
    }

    /**
     * 场景 组织数据
     * @return
     */
    public static Composite orgnazidData(){
        Composite winForm = new Composite("WinForm(Window窗口)");
        Leaf picture = new Leaf("Picture(Logo图片)");
        Leaf buttonLogin = new Leaf("button登录");
        Leaf buttonRegister = new Leaf("button注册");

        Composite frame = new Composite("Frame1");
        Leaf lable = new Leaf("Lable用户名");
        Leaf textBoxName = new Leaf("文本框");
        Leaf lablePassword = new Leaf("密码");
        Leaf passwordBox = new Leaf("PasswordBox密码框");
        Leaf checkBox = new Leaf("CheckBox复选框");
        Leaf textBox = new Leaf("TextBox记住用户名");
        Leaf linkLable = new Leaf("LinkLable忘记密码");


        winForm.addNode(picture);
        winForm.addNode(buttonLogin);
        winForm.addNode(buttonRegister);
        winForm.addNode(frame);
        frame.addNode(lable);
        frame.addNode(textBoxName);
        frame.addNode(lablePassword);
        frame.addNode(passwordBox);
        frame.addNode(checkBox);
        frame.addNode(textBox);
        frame.addNode(linkLable);
        return winForm;
    }

    /**
     * 遍历节点
     * @param winForm
     * @return
     */
    public static String getAllNode(Composite winForm){
        String  str = "";
        for (Component c:winForm.getNode()){
            if(c instanceof Leaf){
                str += c.printfInfo() +"\n";
            }else {
                str +=  getAllNode((Composite)c) +"\n";
            }
        }
        return str;
    }
}

运行结果
Picture(Logo图片)
button登录
button注册
Lable用户名
文本框
密码
PasswordBox密码框
CheckBox复选框
TextBox记住用户名
LinkLable忘记密码