当前文件： SpaceBuider11/BasicWebControls/Channel/Search/BlogSearchResults.cs[6K，2009-6-12 11:54:32]，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.Controls.BaseClasses;
 11using SpaceBuilder.Components;
 12using SpaceBuilder.Controls.Utils;
 13using System.Web.UI.HtmlControls;
 14using System.Web.UI.WebControls;
 15using SpaceBuilder.Utils;
 16using TunyNet.Data.Utils;
 17using TunyNet.Utils;
 18using SpaceBuilder.Posts.Components;
 19using SpaceBuilder.Posts.Providers;
 20using SpaceBuilder.Blogs.Components;
 21
 22namespace SpaceBuilder.Search.Controls
 23...{
 24    /**//// <summary>
 25    /// 显示博客搜索结果
 26    /// </summary>
 27    public class BlogSearchResults : TemplatedWebControl
 28    ...{
 29        SBContext wlContext;
 30
 31        protected override void OnInit(EventArgs e)
 32        ...{
 33            if (SkinName == null)
 34                ExternalSkinFileName = "Searchs/Skin-BlogSearchResults.ascx";
 35            else
 36                ExternalSkinFileName = SkinName;
 37
 38            wlContext = SBContext.Current;
 39            base.OnInit(e);
 40        }
 41
 42        protected override void OnLoad(EventArgs e)
 43        ...{
 44            base.OnLoad(e);
 45            EnsureChildControls();
 46            if (!Page.IsPostBack)
 47                Bind();
 48        }
 49
 50        Child Controls#region Child Controls
 51
 52        /**//// <summary>
 53        /// 显示搜索结果的相关新，例如：很抱歉，没有找到符合您搜索条件的结果！
 54        /// </summary>
 55        StatusMessage statusMessage;
 56        HtmlControl noResultsDiv;
 57        HtmlControl listPostsDiv;
 58
 59        /**//// <summary>
 60        /// 显示搜索到的结果记录数以及使用时间等信息
 61        /// </summary>
 62        Literal searchHint;
 63
 64        /**//// <summary>
 65        /// 显示查询到的记录信息
 66        /// </summary>
 67        Repeater postsRepeater;
 68        Pager pager;
 69
 70        #endregion
 71
 72        /**//// <summary>
 73        /// 附加子控件
 74        /// </summary>
 75        protected override void AttachChildControls()
 76        ...{
 77            statusMessage = FindControl("StatusMessage") as StatusMessage;
 78
 79            noResultsDiv = FindControl("NoResultsDiv") as HtmlControl;
 80            listPostsDiv = FindControl("ListPostsDiv") as HtmlControl;
 81            searchHint = FindControl("SearchHint") as Literal;
 82            postsRepeater = FindControl("PostsRepeater") as Repeater;
 83            pager = FindControl("Pager") as Pager;
 84
 85            if (postsRepeater != null)
 86                postsRepeater.ItemDataBound += new RepeaterItemEventHandler(PostsRepeater_ItemDataBound);
 87        }
 88
 89        void Bind()
 90        ...{
 91            PostFullTextQuery query = new PostFullTextQuery();
 92            query.ConvertFromQueryString();
 93            if (query.IsValid())
 94            ...{
 95                query.PageSize = 10;
 96                query.PageIndex = pager.PageIndex;
 97
 98                SearchResultDataSet<PostSearchItem> pds = PostSearchProvider.Instance().Search(query);
 99                postsRepeater.DataSource = pds.Records;
100                postsRepeater.DataBind();
101
102                if (pds.TotalRecords > 0)
103                ...{
104                    searchHint.Text = "约有 <span class='stress'>" + pds.TotalRecords + " </span>个文章满足搜索条件，搜索用时 " + pds.SearchDuration + " 秒";
105
106                    pager.TotalRecords = pds.TotalRecords;
107                    pager.PageSize = query.PageSize;
108                }
109                else
110                ...{
111                    noResultsDiv.Visible = true;
112                    listPostsDiv.Visible = false;
113                }
114            }
115            else
116            ...{
117                listPostsDiv.Visible = false;
118                statusMessage.Visible = true;
119                statusMessage.MessageType = StatusMessageType.Error;
120                statusMessage.Text = "请填写您的搜索条件，再进行搜索";
121            }
122        }
123
124        private void PostsRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e)
125        ...{
126            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
127            ...{
128                PostSearchItem item = e.Item.DataItem as PostSearchItem;
129                if (item != null)
130                ...{
131                    HyperLink subject = e.Item.FindControl("Subject") as HyperLink;
132                    if (subject != null)
133                    ...{
134                        subject.Text = item.Subject;
135                        if (!ValueHelper.IsNullOrEmpty(item.PostUrl))
136                        ...{
137                            subject.NavigateUrl = Globals.FullPathForMainSite(item.PostUrl);
138                            subject.Attributes["target"] = "_blank";
139                        }
140                    }
141
142                    Literal body = e.Item.FindControl("Body") as Literal;
143                    if (body != null)
144                        body.Text = item.Body;
145
146                    HyperLink author = e.Item.FindControl("Author") as HyperLink;
147                    if (author != null)
148                    ...{
149                        author.Text = item.Author;
150                        if (!ValueHelper.IsNullOrEmpty(item.UserProfileUrl))
151                        ...{
152                            author.NavigateUrl = Globals.FullPathForMainSite(item.UserProfileUrl);
153                            author.Attributes["target"] = "_blank";
154                        }
155                    }
156
157                    Literal lastUpdatedDate = e.Item.FindControl("LastUpdatedDate") as Literal;
158                    if (lastUpdatedDate != null)
159                        lastUpdatedDate.Text = Formatter.FormatDate(item.LastUpdatedDate);
160
161                    HyperLink sectionName = e.Item.FindControl("SectionName") as HyperLink;
162                    if (sectionName != null && !ValueHelper.IsNullOrEmpty(item.SectionName))
163                    ...{
164                        sectionName.Text = item.SectionName;
165                        if (!ValueHelper.IsNullOrEmpty(item.SectionUrl))
166                        ...{
167                            sectionName.NavigateUrl = Globals.FullPathForMainSite(item.SectionUrl);
168                            sectionName.Attributes["target"] = "_blank";
169                        }
170                    }
171
172                    Literal tags = e.Item.FindControl("Tags") as Literal;
173                    if (tags != null && item.Tags != null)
174                    ...{
175                        for (int i = 0; i < item.Tags.Length; i++)
176                        ...{
177                            tags.Text += string.Format("<a href='{0}' target='_blank'>{1}</a> ", Globals.FullPathForMainSite(ChannelUrls.Instance().ListWebLogPostsByTag(item.Tags[i])), item.Tags[i]);
178                        }
179                    }
180                }
181            }
182        }
183
184    }
185}
186