1using System;
 2using System.Collections.Generic;
 3using System.Text;
 4using System.Web.UI;
 5
 6using Microsoft.SharePoint;
 7using Microsoft.SharePoint.WebControls;
 8
 9namespace ITS.SharePoint.WebControls
10{
11    public class CustomerViewMenu : ViewSelectorMenu
12    {
13        /**//// <summary>
14        /// 用户是否可以查看此时图
15        /// </summary>
16        /// <param name="viewID"></param>
17        /// <param name="userOrGroup"></param>
18        /// <returns></returns>
19        private bool CanSeeView(Guid viewID, SPUser currentUser)
20        {
21            bool b = false;
22            using (SPSite site = new SPSite("http://liust-server:100"))
23            {
24                using (SPWeb icmWeb = site.AllWebs["ITSImportanceCustomerManagement"])
25                {
26                    SPList listViewConfig = icmWeb.Lists["ListViewPermissionConfig"];
27                    string strQuery = string.Format("<Where><Eq><FieldRef Name='ViewGuid' /><Value Type='Text'>{0}</Value></Eq></Where>", viewID.ToString());
28                    SPQuery query = new SPQuery();
29                    query.Query = strQuery;
30
31                    SPListItemCollection items = listViewConfig.GetItems(query);
32                    if (items.Count > 0)
33                    {
34                        foreach (SPListItem item in items)
35                        {
36                            object obj = item["Permission"];
37                            SPFieldUserValueCollection userValues = (SPFieldUserValueCollection)obj;
38                            foreach (SPFieldUserValue value in userValues)
39                            {
40                                //如果value.User非空，则代表当前值是用户，相反则是用户组。
41                                if (value.User != null)
42                                {
43                                    if (currentUser.LoginName.Equals(value.User.LoginName))
44                                        return true;
45                                }
46                                else
47                                {
48                                    //判断当前用户是否在用户组中
49                                    SPGroup group = icmWeb.Groups.GetByID(value.LookupId);
50                                    foreach(SPUser user in group.Users)
51                                    {
52                                        if (currentUser.LoginName.Equals(user.LoginName))
53                                            return true;
54                                    }
55                                }
56                            }
57                        }
58                    }
59                }
60            }
61            return false;
62        }
63
64        protected override void Render(HtmlTextWriter output)
65        {
66            if (this.Visible && !SPContext.Current.Web.CurrentUser.IsSiteAdmin)
67            {
68                foreach (Control item in base.MenuTemplateControl.Controls)
69                {
70                    try
71                    {
72                        if ((item is MenuItemTemplate) && (SPContext.Current.List.Views[((MenuItemTemplate)item).Text]) != null)
73                        {
74                            SPView tempView = SPContext.Current.List.Views[((MenuItemTemplate)item).Text];
75                            if (tempView.DefaultView)
76                                item.Visible = true;
77                            else
78                                item.Visible = this.CanSeeView(tempView.ID, SPContext.Current.Web.CurrentUser);
79                        }
80                    }
81                    catch (Exception) { }
82                }
83                base.Render(output);
84            }
85            else
86            {
87                base.Render(output);
88            }
89        }
90    }
91}
92

<%@ Register TagPrefix="ITSControls" Assembly="ITS.SharePoint.WebControls, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f6cfe723df0de6cf" namespace="ITS.SharePoint.WebControls" %>

<ITSControls:CustomerViewMenu MenuAlignment="Right" AlignToParent="true" runat="server" id="ViewSelectorMenu" />