adminrevoketopics.java

tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛

/*
 * 作者: 胡李青
 * qq: 31703299
 * Copyright (c) 2007 huliqing
 * 主页 http://www.tbuy.biz/
 * 你可以免费使用该软件，未经许可请勿作用于任何商业目的,如有技术问题请与本人联系！
 */

package biz.tbuy.bbs.bean;

import biz.tbuy.bbs.TopicAction;
import biz.tbuy.bbs.TopicModel;
import biz.tbuy.common.Constants;
import biz.tbuy.common.Utils;
import biz.tbuy.common.page.DataPage;
import biz.tbuy.common.page.PagedListDataModel;
import java.util.ArrayList;
import java.util.List;
import javax.faces.component.UIData;
import javax.faces.model.DataModel;

/**
 * @author huliqing
 * <p><b>qq：</b>31703299
 * <p><b>E-mail：</b><a href="mailto:[e-mail]">[e-mail]</a>
 * <p><b>Homepage：</b><a href="http://www.tbuy.biz/">http://www.tbuy.biz/</a>
 */
public class AdminRevokeTopics extends BaseBean{
    private DataModel _revokeTopics;    // 已经被回收的主题
    private UIData _uiRevokeTopics;     // 
    private int _pageSize = 12;         // 默认的分页显示数目

    /** Creates a new instance of AdminRevokeTopics */
    public AdminRevokeTopics() {
    }
    
    public void setRevokeTopics(DataModel revokeTopics) {
        _revokeTopics = revokeTopics;
    }
    
    public DataModel getRevokeTopics() {
        if (_revokeTopics == null) {
            _revokeTopics = new LocalDataModel(_pageSize);
        }
        return _revokeTopics;
    }
    
    public void setUiRevokeTopics(UIData uiRevokeTopics) {
        _uiRevokeTopics = uiRevokeTopics;
    }
    
    public UIData getUiRevokeTopics() {
        return _uiRevokeTopics;
    }
    
    public void setPageSize(int pageSize) {
        _pageSize = pageSize;
    }
    
    public int getPageSize() {
        return _pageSize;
    }
    
    // ------------------------------------------------------------page about
    private  DataPage getDataPage(int startRow, int pageSize) {
        int total;
        List<TopicModel> dataList = new ArrayList<TopicModel>();
        total = TopicAction.getTotalRevokeTopics();
        dataList = TopicAction.getRevokeTopics(startRow, pageSize);
        return new DataPage(total, startRow, dataList);
    }
    
    private class LocalDataModel extends PagedListDataModel {
        public  LocalDataModel(int pageSize) {
             super(pageSize);
        }
        public DataPage fetchPage(int startRow,int pageSize) {
             // call enclosing managed bean method to fetch the data 
             return getDataPage(startRow, pageSize);
        }
    }
    
    /**
     * 清空所有被回收的主题,并且删除相关联的回复信息
     * 该方法会彻底的删除，从数据库中...
     */ 
    public String clear() {
        if (TopicAction.clearRevokeTopics()) {
            Utils.addInfoMessage(getBundle(), "清理主题信息成功！");
            _revokeTopics = new LocalDataModel(_pageSize);
            return Constants.OUT_SUCCESS;
        } else {
            Utils.addErrorMessage(getBundle(), "清理主题信息时遇到问题！");
            return Constants.OUT_FAILURE;
        }
    }
    
    /**
     * 恢复被回收的主题到原来的状态
     */ 
    public String revert() {
        TopicModel topic = (TopicModel)_uiRevokeTopics.getRowData();
        topic.setBeRevoke(false);
        if (TopicAction.updateTopic(topic)) {
            Utils.addInfoMessage(getBundle(), "主题已经恢复");
            _revokeTopics = new LocalDataModel(_pageSize);
            return Constants.OUT_SUCCESS;
        } else {
            Utils.addErrorMessage(getBundle(), "主题恢复时遇到问题！");
            return Constants.OUT_FAILURE;
        }
    }
}