datafactory.java

Eclipse从入门到精通源代码/第二篇 SWT_JFace篇(6-16章)

/**
 * @作者：陈刚
 * @Email：[e-mail]
 * @Blog：http://blog.csdn.net/glchengang
 */
package jface.treeviewer;

import java.util.ArrayList;

/**
 * 此类负责生成TreeViewer的方法setInput所需要的参数
 */
public class DataFactory {
    public static Object createTreeData() {
        /*
         * ----------------生成数据对象----------------------
         */
        //生成人的数据对象
        PeopleEntity p1 = new PeopleEntity("陈刚");
        PeopleEntity p2 = new PeopleEntity("陈知行");
        PeopleEntity p3 = new PeopleEntity("韩立新");
        PeopleEntity p4 = new PeopleEntity("桃子");
        PeopleEntity p5 = new PeopleEntity("林雅仕");
        PeopleEntity p6 = new PeopleEntity("陈常恩");
        PeopleEntity p7 = new PeopleEntity("Giles");
        PeopleEntity p8 = new PeopleEntity("Tom");
        PeopleEntity p9 = new PeopleEntity("Rose");
        //生成城市的数据对象
        CityEntity city1 = new CityEntity("北京");
        CityEntity city2 = new CityEntity("台湾");
        CityEntity city3 = new CityEntity("桂林");
        CityEntity city4 = new CityEntity("芝加哥");
        CityEntity city5 = new CityEntity("纽约");
        //生成国家的数据对象
        CountryEntity c1 = new CountryEntity("中国");
        CountryEntity c2 = new CountryEntity("美国");

        /*
         * ----------------将数据对象连结起来------------------------------
         */
        //---------------------人和城市的关系---------------------
        {//陈刚、陈知行、韩立新是在北京的
            ArrayList list = new ArrayList();
            list.add(p1);
            list.add(p2);
            list.add(p3);
            city1.setChildren(list);
        }
        { //桃子、林雅仕、陈常恩是在台湾的
            ArrayList list = new ArrayList();
            list.add(p4);
            list.add(p5);
            list.add(p6);
            city2.setChildren(list);
        }
        { //Giles、Tom、Rose是在纽约的
            ArrayList list = new ArrayList();
            list.add(p7);
            list.add(p8);
            list.add(p9);
            city5.setChildren(list);
        }
        //------------------城市和国家的关系---------------------
        {//北京、台湾、桂林属于中国
            ArrayList list = new ArrayList();
            list.add(city1);
            list.add(city2);
            list.add(city3);
            c1.setChildren(list);
        }
        {//芝加哥、纽约属于美国
            ArrayList list = new ArrayList();
            list.add(city4);
            list.add(city5);
            c2.setChildren(list);
        }
        //--------将国家置于一个对象之下这个对象可以是List,也可以是数组------
        {
            ArrayList list = new ArrayList();
            list.add(c1);
            list.add(c2);
            return list;
        }
    }

}