SpaceBuider11/BlogControls/Channel/PostRanks.cs,SpaceBuilder v1.1源代码源码在线查看|-51aspx.com

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SpaceBuider11/BlogControls/Channel/PostRanks.cs，打开代码结构图
		              1//------------------------------------------------------------------------------
  2// <copyright company="Tunynet">
  3//     Copyright (c) Tunynet Inc.  All rights reserved.
  4// </copyright> 
  5//------------------------------------------------------------------------------
  6
  7using System;
  8using System.Collections.Generic;
  9using System.Text;
 10using SpaceBuilder.Components;
 11using SpaceBuilder.Blogs.Components;
 12using System.Web.UI.HtmlControls;
 13using System.Web.UI.WebControls;
 14using SpaceBuilder.Controls.BaseClasses;
 15using SpaceBuilder.Controls.Utils;
 16using SpaceBuilder.Utils;
 17using SpaceBuilder.Controls;
 18using TunyNet.Utils;
 19using TunyNet.Data.Utils;
 20using System.Threading;
 21
 22namespace SpaceBuilder.Blogs.Controls
 23...{
 24    /**//// <summary>
 25    /// 显示博客文章排行
 26    /// </summary>
 27    public class PostRanks : TemplatedWebControl
 28    ...{
 29        SBContext wlContext;
 30        /**//// <summary>
 31        /// 控件初始化时，父类会调用这个方法
 32        /// </summary>
 33        /// <param name="e"></param>
 34        protected override void OnInit(EventArgs e)
 35        ...{
 36            if (SkinName == null)
 37                ExternalSkinFileName = "Blogs/Skin-PostRanks.ascx";
 38            else
 39                ExternalSkinFileName = SkinName;
 40
 41            wlContext = SBContext.Current;
 42
 43            base.OnInit(e);
 44        }
 45
 46        Child Controls#region Child Controls
 47
 48        HtmlControl rankByMostRecentLi;
 49        //最新发布
 50        HyperLink rankByMostRecent;
 51        HtmlControl rankByTotalViewsLi;
 52        //浏览最多
 53        HyperLink rankByTotalViews;
 54        HtmlControl rankByTotalRepliesLi;
 55        //回复最多
 56        HyperLink rankByTotalReplies;
 57        HtmlControl rankByTotalRatingsLi;
 58        //评价最高
 59        HyperLink rankByTotalRatings;
 60
 61        //分页控件
 62        PostBackPager pager;
 63        Pager pager2;
 64        //文章列表
 65        Repeater postsRepeater;
 66
 67        #endregion
 68
 69        /**//// <summary>
 70        /// 加载子控件，父类加载皮肤文件时会调用这个方法
 71        /// </summary>
 72        protected override void AttachChildControls()
 73        ...{
 74            rankByMostRecentLi = FindControl("RankByMostRecentLi") as HtmlControl;
 75            rankByMostRecent = FindControl("RankByMostRecent") as HyperLink;
 76            rankByTotalViewsLi = FindControl("RankByTotalViewsLi") as HtmlControl;
 77            rankByTotalViews = FindControl("RankByTotalViews") as HyperLink;
 78            rankByTotalRepliesLi = FindControl("RankByTotalRepliesLi") as HtmlControl;
 79            rankByTotalReplies = FindControl("RankByTotalReplies") as HyperLink;
 80            rankByTotalRatingsLi = FindControl("RankByTotalRatingsLi") as HtmlControl;
 81            rankByTotalRatings = FindControl("RankByTotalRatings") as HyperLink;
 82
 83
 84            pager = FindControl("Pager") as PostBackPager;
 85            pager.PageIndexChanged += new PagerEventHandler(Pager_PageIndexChanged);
 86
 87
 88            pager2 = FindControl("Pager2") as Pager;
 89
 90            postsRepeater = FindControl("PostsRepeater") as Repeater;
 91            postsRepeater.ItemDataBound += new RepeaterItemEventHandler(PostsRepeater_ItemDataBound);
 92        }
 93
 94        /**//// <summary>
 95        /// 当用户查看其它页时，会调用这个方法，再数据库中去取该页的数据
 96        /// </summary>
 97        /// <param name="sender"></param>
 98        /// <param name="e"></param>
 99        void Pager_PageIndexChanged(object sender, PagerEventArgs e)
100        ...{
101            Bind();
102        }
103
104        /**//// <summary>
105        /// 控件被加载时，会先调用这个方法
106        /// </summary>
107        /// <param name="e"></param>
108        protected override void OnLoad(EventArgs e)
109        ...{
110            base.OnLoad(e);
111            EnsureChildControls();
112
113            /**//*
114            RankBy={0}
115             */
116            if (wlContext.GetIntFromQueryString("RankBy", 0) > 0)
117                this.SortBy = (BlogThreadSortBy)wlContext.GetIntFromQueryString("RankBy", 0);
118
119            if (!Page.IsPostBack)
120                Bind();
121        }
122
123        /**//// <summary>
124        /// 为控件绑定数据
125        /// </summary>
126        void Bind()
127        ...{
128            Header.AddTitle(Globals.SiteName + " :: 博客 - 文章排行", Context);
129            switch (this.SortBy)
130            ...{
131                case BlogThreadSortBy.MostRecent:
132                    rankByMostRecentLi.Attributes["class"] = "selected";
133                    break;
134                case BlogThreadSortBy.TotalViews:
135                    rankByTotalViewsLi.Attributes["class"] = "selected";
136                    break;
137                case BlogThreadSortBy.TotalReplies:
138                    rankByTotalRepliesLi.Attributes["class"] = "selected";
139                    break;
140                case BlogThreadSortBy.TotalRatings:
141                    rankByTotalRatingsLi.Attributes["class"] = "selected";
142                    break;
143            }
144           //测试用
145           // string asdfasdf= ChannelUrls.Instance().BlogsForTab(10, (int)SortBlogsBy.WeekHitTimes, SortOrder.Descending);
146            rankByMostRecent.NavigateUrl = ChannelUrls.Instance().WeblogPostRanks((int)BlogThreadSortBy.MostRecent);
147            rankByTotalViews.NavigateUrl = ChannelUrls.Instance().WeblogPostRanks((int)BlogThreadSortBy.TotalViews);
148            rankByTotalReplies.NavigateUrl = ChannelUrls.Instance().WeblogPostRanks((int)BlogThreadSortBy.TotalReplies);
149            rankByTotalRatings.NavigateUrl = ChannelUrls.Instance().WeblogPostRanks((int)BlogThreadSortBy.TotalRatings);
150
151            //封装查询条件
152            BlogThreadQuery query = new BlogThreadQuery();
153            query.IsPublicFilter = true;
154            query.IncludeTags = false;
155            //query.MaxRecords = 500;
156            query.SortBy = this.SortBy;
157            query.SortOrder = SortOrder.Descending;
158            query.PageIndex = pager.PageIndex;
159            //从数据库中获取数据
160            PagingDataSet<BlogThread> pds = BlogPosts.GetBlogThreads(query);
161
162            if (pds != null)
163            ...{
164                if (pager != null)
165                ...{
166                    pager.TotalRecords = pds.TotalRecords;
167                    pager.PageSize = query.PageSize;
168                }
169                if (pager2 != null)
170                ...{
171                    pager2.TotalRecords = pds.TotalRecords;
172                    pager2.PageSize = query.PageSize;
173                }
174            }
175            
176            postsRepeater.DataSource = pds.Records;
177            postsRepeater.DataBind();
178        }
179
180        /**//// <summary>
181        /// 绑定每条记录项时，会调用这个方法
182        /// 目的是为了给每条记录中对应的每个子控件绑定上数据
183        /// </summary>
184        /// <param name="sender"></param>
185        /// <param name="e"></param>
186        private void PostsRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e)
187        ...{
188            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
189            ...{
190                BlogThread post = (BlogThread)e.Item.DataItem;
191                if (post != null)
192                ...{
193                    HyperLink subject = e.Item.FindControl("Subject") as HyperLink;
194                    if (subject != null)
195                    ...{
196                        subject.Text = StringUtils.Trim(post.Subject, 30);
197                        subject.ToolTip = post.Subject;
198                        subject.NavigateUrl = BlogUrls.Instance().ShowPost(post);
199                        subject.Attributes["target"] = "_blank";
200                    }
201
202                    Literal blogPostType = e.Item.FindControl("BlogPostType") as Literal;
203                    if (blogPostType != null)
204                        blogPostType.Text = post.BlogPostTypeText;
205
206                    Literal postDate = e.Item.FindControl("PostDate") as Literal;
207                    if (postDate != null)
208                        postDate.Text = Formatter.FormatDate(post.PostDate);
209
210                    Literal totalReplies = e.Item.FindControl("TotalReplies") as Literal;
211                    if (totalReplies != null)
212                        totalReplies.Text = post.ReplyCount.ToString();
213
214                    Literal totalViews = e.Item.FindControl("TotalViews") as Literal;
215                    if (totalViews != null)
216                        totalViews.Text = post.HitTimes.ToString();
217                    RatingButton ratingButton = e.Item.FindControl("PostRating") as RatingButton;
218                    if (ratingButton != null)
219                    ...{
220                        ratingButton.TotalRatings = post.TotalRatings;
221                        ratingButton.RatingSum = post.RatingSum;
222                        ratingButton.ThreadID = post.ThreadID;
223                        ratingButton.ApplicationType = ApplicationType.Blog;
224                    }
225
226                    HyperLink blogName = e.Item.FindControl("BlogName") as HyperLink;
227                    if (blogName != null)
228                    ...{
229                        blogName.Text = post.Weblog.SectionName;
230                        if (ValueHelper.IsNullOrEmpty(blogName.Text))
231                            blogName.Text = post.User.DisplayName;
232
233                        blogName.ToolTip = string.Format("查看 {0} 的博客", blogName.Text);
234                        blogName.NavigateUrl = UserUrls.Instance().BlogHome(post.Weblog.ApplicationKey);
235                        blogName.Attributes["target"] = "_blank";
236                    }
237                }
238            }
239        }
240
241
242        属性#region 属性
243
244        /**//// <summary>
245        /// 排名依据
246        /// </summary>
247        private BlogThreadSortBy sortBy = BlogThreadSortBy.MostRecent;
248        public BlogThreadSortBy SortBy
249        ...{
250            get ...{ return sortBy; }
251            set ...{ sortBy = value; }
252        }
253
254        #endregion
255
256    }
257}
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