/// <summary>
 /// 用来控制人员管理显示菜单的参数配置
 /// </summary>
 public class UserMenuParameter
 {
  [DefaultValue("")]
  [Description("用户ID")]
  public string UserID { get; set; }
  
  
  [Description("用户设置可见的菜单")]
  public Dictionary<string, bool> VisibleDict { get; set; }
 }

//参数存储所需的相关对象
private SettingsProvider settings;
private ISettingsStorage store;
private UserMenuParameter parameter;

// PortableStorage: 在运行程序目录创建一个setting的文件记录参数数据
// DatabaseStorage：在数据库TB_UserParameter表存储用户配置参数
store = new DatabaseStorage(LoginUserInfo.ID);
settings = new SettingsProvider(store);
parameter = settings.GetSettings<UserMenuParameter>();

try
   {
    parameter = settings.GetSettings<UserMenuParameter>();
    parameter.VisibleDict = dict;
    parameter.UserID = LoginUserInfo.ID;
    settings.SaveSettings<UserMenuParameter>(parameter);

    ProcessDataSaved(sender, e);//触发外部事件

    this.DialogResult = System.Windows.Forms.DialogResult.OK;
   }
   catch (Exception ex)
   {
    LogHelper.Error(ex);
    MessageDxUtil.ShowError(ex.Message);
    return;
   }

/// <summary>
  /// 获取菜单是否可见。
  /// 仅当参数存在对应记录，并且该记录显式设置不可见，菜单才不可见，否则默认菜单是可以看到的。
  /// </summary>
  /// <param name="id">菜单ID</param>
  /// <returns></returns>
  private bool GetVisibleMenu(string id)
  {
   bool result = true;
   if (parameter != null)
   {
    var dict = parameter.VisibleDict;
    if(dict != null && dict.ContainsKey(id))
    {
     result = dict[id];
    }
   }
   return result;
  }

/// <summary>
  /// 递归获取选中的树节点集合
  /// </summary>
  /// <param name="node">树节点</param>
  /// <param name="dict">字典集合</param>
  /// <returns></returns>
  private Dictionary<string, bool> GetTreeSelection(TreeNode node, Dictionary<string, bool> dict)
  {
   if (node.Tag != null)
   {
    var check = node.Checked;
    var menuId = string.Concat(node.Tag);
    if(!dict.ContainsKey(menuId))
    {
     dict.Add(menuId, check);
    }
   }

   foreach (TreeNode child in node.Nodes)
   {
    GetTreeSelection(child, dict);
   }

   return dict;
  }

/// <summary>
  /// 保存用户配置信息
  /// </summary>
  private void btnOK_Click(object sender, EventArgs e)
  {
   //获取用户勾选的树列表，存放在字典集合里面
   var dict = new Dictionary<string, bool>();
   foreach(TreeNode node in this.treeView1.Nodes)
   {
    GetTreeSelection(node, dict);
   }

   try
   {
    //重新获取参数信息，并设置新值后保存
    parameter = settings.GetSettings<UserMenuParameter>();
    parameter.VisibleDict = dict;
    parameter.UserID = LoginUserInfo.ID;
    settings.SaveSettings<UserMenuParameter>(parameter);

    ProcessDataSaved(sender, e);//触发外部事件

    this.DialogResult = System.Windows.Forms.DialogResult.OK;
   }
   catch (Exception ex)
   {
    LogHelper.Error(ex);
    MessageDxUtil.ShowError(ex.Message);
    return;
   }
  }

private void tool_MenuSetting_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
  {
   MenuSetting();
  }
  /// <summary>
  /// 配置菜单项
  /// </summary>
  private void MenuSetting()
  {
   FrmMenuSetting dlg = new FrmMenuSetting();
   dlg.OnDataSaved += (s, arg) =>
   {
    //用户保存参数后，提示用户更新树形列表
    InitToolbar();
   };
   dlg.ShowDialog();
  }