topicauth.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.BBSGroups;
import biz.tbuy.bbs.TopicBuilder;
import biz.tbuy.bbs.TopicFactory;
import biz.tbuy.bbs.TopicModel;
import biz.tbuy.common.Constants;
import biz.tbuy.common.Utils;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.faces.component.UISelectMany;
import javax.faces.event.ValueChangeEvent;
import javax.faces.model.SelectItem;

/**
 * @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 TopicAuth extends BaseBean{
    private TopicModel _topic;              // 正在被编辑阅读权限的主题
    private List<SelectItem> _authTypes;    // 所有可选的阅读权限类型，如：all,login,groups
    
    private List<String> _authGroups;       // 最终选择的authGroups类型
    private UISelectMany _uiAuthGroups;     // 绑定于authGroups;
    private List<SelectItem> _authGroupsAll;// 所有可选的Groups

    /** Creates a new instance of TopicAuth */
    public TopicAuth() {
        _topic = new TopicModel();
    }

    public void setTopic(TopicModel topic) {
        _topic = topic;
    }
    
    public TopicModel getTopic() {
        return _topic;
    }
    
    public void setAuthTypes(List<SelectItem> authTypes) {
        _authTypes = authTypes;
    }
    
    public List<SelectItem> getAuthTypes() {
        _authTypes = new ArrayList<SelectItem>(3);
        _authTypes.add(new SelectItem(BBSGroups.READER_AUTH_ALL, "所有人"));
        _authTypes.add(new SelectItem(BBSGroups.READER_AUTH_LOGIN, "登录用户"));
        _authTypes.add(new SelectItem(BBSGroups.READER_AUTH_GROUPS, "特定用户组"));
        return _authTypes;
    }
    
    public void setAuthGroups(List<String> authGroups) {
        _authGroups = authGroups;
    }
    
    public List<String> getAuthGroups() {
        return _authGroups;
    }
    
    public void setUiAuthGroups(UISelectMany uiAuthGroups) {
        _uiAuthGroups = uiAuthGroups;
    }
    
    public UISelectMany getUiAuthGroups() {
        String[] authGroups = _topic.getAuthGroups().split(",");
        List<String> groups = new ArrayList<String>();
        for (int i = 0; i < authGroups.length; i++) {
            groups.add(authGroups[i]);
        }
        _uiAuthGroups = new UISelectMany();
        _uiAuthGroups.setValue(groups);
        if (_topic.getAuthType() ==BBSGroups.READER_AUTH_GROUPS) {
            _uiAuthGroups.getAttributes().put("disabled", false);
        } else {
            _uiAuthGroups.getAttributes().put("disabled", true);
        }
        return _uiAuthGroups;
    }
    
    public void setAuthGroupsAll(List<SelectItem> authGroupsAll) {
        _authGroupsAll = authGroupsAll;
    }
    
    public List<SelectItem> getAuthGroupsAll() {
        _authGroupsAll = new ArrayList<SelectItem>();
        Map<String, Map<String, String>> groups = getBBSApplication().getGroups();
        if (!groups.isEmpty()) {
            Set<String> keys = groups.keySet();
            for (String key : keys) {
                _authGroupsAll.add(new SelectItem(key, groups.get(key).get("label")));
            }
        }
        
        return _authGroupsAll;
    }
    
    /**
     * 监测页面中是否选中了“特定用户组”选项，如果选中，则打开用户组选项
     * 使其"disabled"属性为false
     */
    public void checkType(ValueChangeEvent event) {
        int authType = Integer.parseInt(event.getNewValue().toString());
        if (authType == BBSGroups.READER_AUTH_GROUPS) {
            _uiAuthGroups.getAttributes().put("disabled", false);
        } else {
            _uiAuthGroups.getAttributes().put("disabled", true);
        }
    }
    
    /**
     * 编辑阅读权限
     */
    public String displayAuth() {
        // 如果选择了特定用户组的阅读权限
        int authType = _topic.getAuthType();
        this.reload();
        TopicBuilder tBuilder = TopicFactory.newBuilder(_topic);
        if (tBuilder.updateAuth(authType, _authGroups)) {
            Utils.addInfoMessage(getBundle(), "阅读权限设置成功！");
            return Constants.OUT_SUCCESS;
        }
        return Constants.OUT_FAILURE;
    }
    
    /**
     * 重新载入topic,以免属性丢失
     */
    private void reload() {
        _topic = TopicFactory.getTopic(_topic.getNum());
    }
}