1//------------------------------------------------------------------------------
  2// <copyright company="Tunynet">
  3//     Copyright (c) Tunynet Inc.  All rights reserved.
  4// </copyright> 
  5//------------------------------------------------------------------------------
  6
  7using System;
  8using System.Collections;
  9using System.Web;
 10using System.Web.UI.WebControls;
 11
 12using SpaceBuilder.Blogs.Components;
 13using SpaceBuilder.Components;
 14using SpaceBuilder.Controls;
 15using SpaceBuilder.Controls.Utils;
 16using SpaceBuilder.Utils;
 17using SpaceBuilder.Security;
 18using SpaceBuilder.Posts.Permissions;
 19using TunyNet.Data.Utils;
 20using TunyNet.Utils;
 21
 22namespace SpaceBuilder.Blogs.Controls
 23...{
 24    /**//// <summary>
 25    /// Displays an interface for managing a blog's comments and traceback.
 26    /// 显示博客评论管理界面
 27    /// </summary>
 28    public class BlogFeedbackAdmin : WeblogThemedControl
 29    ...{
 30        Setup#region Setup
 31
 32        /**//// <summary>
 33        /// 验证当前用户身份
 34        /// </summary>
 35        protected override void Authorize(Weblog w)
 36        ...{
 37            base.Authorize(w);
 38
 39            if (CurrentUser.IsAnonymous)
 40                throw new SBException(SBExceptionType.AccessDenied, "不允许匿名用户访问");
 41            //如果当前用户是不是户主
 42            if (!CurrentUser.IsBlogAdministrator)
 43                //检查用户针对博客w是否有发布主题权限
 44                Permissions.AccessCheck(w, Permission.Post, CurrentUser);
 45        }
 46        Child Controls#region Child Controls
 47        /**//// <summary>
 48        /// 批准状态
 49        /// </summary>
 50        ApproveStatusDropDownList approvalStatus;
 51        /**//// <summary>
 52        /// 回复列表
 53        /// </summary>
 54        Repeater FeedbackList;
 55        /**//// <summary>
 56        /// 批准按钮
 57        /// </summary>
 58        LinkButton ApproveButton;
 59        /**//// <summary>
 60        /// 不批准按钮
 61        /// </summary>
 62        LinkButton ModerateButton;
 63        /**//// <summary>
 64        /// 删除按钮
 65        /// </summary>
 66        LinkButton DeleteButton;
 67        /**//// <summary>
 68        /// 分页控件
 69        /// </summary>
 70        PostBackPager GridPager;
 71        #endregion
 72        /**//// <summary>
 73        /// 从加载的皮肤文件中获取具体控件
 74        /// </summary>
 75        protected override void AttachChildControls()
 76        ...{
 77            //获取批准状态下拉列表控件
 78            approvalStatus = FindControl("ApproveStatus") as ApproveStatusDropDownList;
 79            if (approvalStatus != null)
 80            ...{
 81                approvalStatus.SelectedIndexChanged += new EventHandler(ApproveStatus_SelectedIndexChanged);
 82                approvalStatus.AutoPostBack = true;
 83            }
 84            //获取回复列表控件
 85            FeedbackList = FindControl("FeedbackList") as Repeater;
 86            if (FeedbackList != null)
 87                FeedbackList.ItemDataBound += new RepeaterItemEventHandler(FeedbackList_ItemDataBound);
 88            //获取分页控件
 89            GridPager = FindControl("GridPager") as PostBackPager;
 90            if (GridPager != null)
 91            ...{
 92                //注册翻页事件
 93                GridPager.PageIndexChanged += new PagerEventHandler(GridPager_PageIndexChanged);
 94            }
 95            //获取批准按钮控件
 96            ApproveButton = FindControl("ApproveButton") as LinkButton;
 97            if (ApproveButton != null)
 98                //注册批准按钮单击事件
 99                ApproveButton.Click += new EventHandler(Approve_Click);
100            //获取不批准按钮控件
101            ModerateButton = FindControl("ModerateButton") as LinkButton;
102            if (ModerateButton != null)
103                //注册不批准按钮单击事件
104                ModerateButton.Click += new EventHandler(Moderate_Click);
105            //获取删除按钮控件
106            DeleteButton = FindControl("DeleteButton") as LinkButton;
107            if (DeleteButton != null)
108            ...{
109                //注册删除按钮单击事件
110                DeleteButton.Click += new EventHandler(Delete_Click);
111                //添加客户端单击属性，弹出删除提示框。按钮被单击时，会首先触发它
112                DeleteButton.Attributes.Add("onclick", "if ( !confirm('是否删除选中的评论？') ) {return false; } ");
113            }
114        }
115        /**//// <summary>
116        /// 用户翻页时，会异步绑定新数据
117        /// </summary>
118        void GridPager_PageIndexChanged(object sender, PagerEventArgs e)
119        ...{
120            Bind();
121        }
122
123        protected override void OnLoad(EventArgs e)
124        ...{
125            base.OnLoad(e);
126            EnsureChildControls();
127            if (!Page.IsPostBack)
128            ...{
129                //从查询字符串中获取回复状态属性值，以此来确定需要查看那种状态下的回复列表
130                if (SBContext.Current.GetIntFromQueryString("ApprovalStatus", -1) > 0)
131                    this.ApproveStatus = (ApprovalStatus)SBContext.Current.GetIntFromQueryString("ApprovalStatus", -1);
132
133                //设置批准状态下拉列表的选中值为当前批准状态
134                approvalStatus.SelectedValue = this.ApproveStatus;
135                this.Bind();
136            }
137        }
138
139        private void Bind()
140        ...{
141            //实例化一个博客评论查询对象
142            BlogCommentQuery query = new BlogCommentQuery();
143            //设置博客ID为当前博客ID
144            query.SectionID = this.CurrentWeblog.SectionID;
145            //设置批准状态为当前批准状态的选中值
146            query.CommentApprovalStatus = approvalStatus.SelectedValue;
147            //设置文章评论排序依据为按评论时间排序
148            query.SortBy = BlogCommentSortBy.PostDate;
149            //设置排序顺序为降序
150            query.SortOrder = SortOrder.Descending;
151            //设置当前页码
152            query.PageIndex = GridPager.PageIndex;
153            //设置每页最多显示的记录数为20
154            query.PageSize = 20;
155            //获取查询返回的博客评论集合，该集合是封装成用于分页的数据集合
156            PagingDataSet<BlogPost> pds = BlogPosts.GetComments(query);
157            //获取查询结果的记录数
158            this.GridPager.TotalRecords = pds.TotalRecords;
159            //获取查询结果的每页显示最大记录数
160            this.GridPager.PageSize = pds.PageSize;
161            //设置回复列表的数据源为查询结果的(当前页的)数据集合
162            this.FeedbackList.DataSource = pds.Records;
163            this.FeedbackList.DataBind();
164            //设置浏览器的标题
165            this.SetPageTitle("管理我的评论");
166        }
167
168        #endregion
169
170        FeedbackList Event Handlers#region FeedbackList Event Handlers
171
172        private void FeedbackList_ItemDataBound(object sender, RepeaterItemEventArgs e)
173        ...{
174            //处理列表数据项模板中的控件
175            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
176            ...{
177                //获取博客帖子，这里指评论
178                BlogPost post = e.Item.DataItem as BlogPost;
179                BlogThread thread = BlogPosts.GetThread(post.ParentID, false);
180                Weblog blog = Weblogs.GetWeblog(thread.SectionID);
181                //获取选中复选框
182                CheckBox selector = e.Item.FindControl("Selector") as CheckBox;
183                if (selector != null)
184                ...{
185                    //绑定博客帖子ID
186                    selector.Attributes["value"] = post.PostID.ToString();
187                }
188                //获取标题链接控件
189                HyperLink Subject = e.Item.FindControl("Subject") as HyperLink;
190                if (Subject != null)
191                ...{
192                    //设置标题显示内容
193                    Subject.Text = HttpUtility.HtmlEncode(post.Subject);
194                    //设置标题链接地址
195                    Subject.NavigateUrl = BlogUrls.Instance().ShowPost(thread, blog, post);
196                }
197                //获取评论内容
198                Label Body = e.Item.FindControl("Body") as Label;
199                if (Body != null)
200                ...{
201                    //设置评论内容
202                    Body.Text = HttpUtility.HtmlEncode(HtmlUtils.TrimHtml(post.Body, 250));
203                    //Body.ToolTip = HttpUtility.HtmlEncode(item.Body);
204                    Body.ToolTip = HtmlUtils.TrimHtml(post.Body, 1000);
205                }
206                //获取是否批准显示图片
207                Image IsModerated = e.Item.FindControl("IsModerated") as Image;
208                if (IsModerated != null)
209                ...{
210                    //评论已通过审核
211                    if (post.IsApproved)
212                    ...{
213                        IsModerated.ImageUrl = "~/Utility/Icons/icon_true.gif";
214                        IsModerated.ToolTip = "该评论已经通过审核";
215                    }
216                    //评论未通过审核
217                    else
218                    ...{
219                        IsModerated.ImageUrl = "~/Utility/Icons/icon_false.gif";
220                        IsModerated.ToolTip = "该评论未通过审核";
221                    }
222                }
223                //获取评论人链接控件
224                HyperLink PostedBy = e.Item.FindControl("PostedBy") as HyperLink;
225                if (PostedBy != null)
226                ...{
227                    //获取评论人的用户名
228                    PostedBy.Text = HttpUtility.HtmlEncode(post.Author);
229                    //如果评论人不是匿名用户，则设置链接地址为评论人空间档案频道首页
230                    if (post.UserID > 0)
231                        PostedBy.NavigateUrl = UserUrls.Instance().UserChannelHome(post.UserID, UserDomainMenuType.Profile);
232                }
233                //获取显示评论日期控件
234                Literal DatePosted = e.Item.FindControl("DatePosted") as Literal;
235                if (DatePosted != null)
236                ...{
237                    //设置控件显示内容为格式化后的评论日期
238                    DatePosted.Text = Formatter.FormatDate(post.PostDate);
239                }
240                //如果标题有链接
241                if (post.HasTitleUrl)
242                ...{
243                    HyperLink CommentUrl = e.Item.FindControl("CommentUrl") as HyperLink;
244                    if (CommentUrl != null)
245                    ...{
246
247                        if (post.HasTitleUrl)
248                        ...{
249                            CommentUrl.Text = "Url";
250                            if (post.TitleUrl.StartsWith("http://") || post.TitleUrl.StartsWith("https://"))
251                            ...{
252                                CommentUrl.NavigateUrl = post.TitleUrl;
253                                CommentUrl.ToolTip = post.TitleUrl;
254                            }
255                            else
256                            ...{
257                                CommentUrl.NavigateUrl = "";
258                            }
259                        }
260                        else
261                            CommentUrl.Visible = false;
262                    }
263                }
264
265            }
266        }
267
268        #endregion
269
270        Button Click Handlers#region Button Click Handlers
271
272        private void Approve_Click(object sender, EventArgs e)
273        ...{
274            Int32[] targetItems = this.GetSelectedPostIDs();
275            //批准所有被选中的评论
276            this.ApproveItems(targetItems);
277            //ResetData();
278            Bind();
279        }
280
281        private void Moderate_Click(object sender, EventArgs e)
282        ...{
283            Int32[] targetItems = this.GetSelectedPostIDs();
284            //不批准所有被选中的评论
285            this.ModerateItems(targetItems);
286            //ResetData();
287            Bind();
288        }
289
290        private void Delete_C