当前文件： SpaceBuilderV10RC/BasicWebControls/Channel/Search/PhotoSearchResults.cs[7K，2009-6-12 11:55:43]，打开代码结构图

		            
  1//------------------------------------------------------------------------------
  2// <copyright company="Tunynet">
  3//     Copyright (c) Tunynet Network Technology Co., Ltd.  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 SpaceBuilder.Galleries.Components;
 17using TunyNet.Data.Utils;
 18using TunyNet.Utils;
 19using SpaceBuilder.Posts.Components;
 20using SpaceBuilder.Posts.Providers;
 21using SpaceBuilder.Controls;
 22
 23namespace SpaceBuilder.Search.Controls
 24...{
 25    public class PhotoSearchResults : TemplatedWebControl
 26    ...{
 27        SBContext wlContext;
 28
 29        SearchResultDataSet<PostSearchItem> pds = null;
 30        private int loadedPhotoCount = 0;       // 已经加载的图片数目
 31
 32        protected override void OnInit(EventArgs e)
 33        ...{
 34            if (SkinName == null)
 35                ExternalSkinFileName = "Searchs/Skin-PhotoSearchResults.ascx";
 36            else
 37                ExternalSkinFileName = SkinName;
 38
 39            wlContext = SBContext.Current;
 40            base.OnInit(e);
 41        }
 42
 43        protected override void OnLoad(EventArgs e)
 44        ...{
 45            base.OnLoad(e);
 46            if (!Page.IsPostBack)
 47                DataBind();
 48        }
 49
 50        public override void DataBind()
 51        ...{
 52            base.DataBind();
 53            BindData();
 54        }
 55
 56
 57        Child Controls#region Child Controls
 58
 59        StatusMessage statusMessage;
 60        HtmlControl noResultsDiv;
 61        HtmlControl listPostsDiv;
 62        Literal searchHint;
 63
 64        Repeater postsRepeater;
 65        Pager pager;
 66
 67        #endregion
 68
 69        protected override void AttachChildControls()
 70        ...{
 71            statusMessage = FindControl("StatusMessage") as StatusMessage;
 72
 73            noResultsDiv = FindControl("NoResultsDiv") as HtmlControl;
 74            listPostsDiv = FindControl("ListPostsDiv") as HtmlControl;
 75            searchHint = FindControl("SearchHint") as Literal;
 76
 77            postsRepeater = FindControl("PostsRepeater") as Repeater;
 78            pager = FindControl("Pager") as Pager;
 79
 80            if (postsRepeater != null)
 81                postsRepeater.ItemDataBound += new RepeaterItemEventHandler(PostsRepeater_ItemDataBound);
 82        }
 83
 84        void BindData()
 85        ...{
 86            PostFullTextQuery query = new PostFullTextQuery();
 87            query.ConvertFromQueryString();
 88            if (query.IsValid())
 89            ...{
 90                query.PageSize = 16;
 91                query.PageIndex = pager.PageIndex;
 92
 93                pds = PostSearchProvider.Instance().Search(query);
 94                postsRepeater.DataSource = pds.Records;
 95                postsRepeater.DataBind();
 96
 97                if (pds.TotalRecords > 0)
 98                ...{
 99                    searchHint.Text = "约有 <span class='stress'>" + pds.TotalRecords + " </span>个图片满足搜索条件，搜索用时 " + pds.SearchDuration + " 秒";
100
101                    pager.TotalRecords = pds.TotalRecords;
102                    pager.PageSize = query.PageSize;
103                }
104                else
105                ...{
106                    noResultsDiv.Visible = true;
107                    listPostsDiv.Visible = false;
108                }
109            }
110            else
111            ...{
112                listPostsDiv.Visible = false;
113                statusMessage.Visible = true;
114                statusMessage.MessageType = StatusMessageType.Error;
115                statusMessage.Text = "请填写您的搜索条件，再进行搜索";
116            }
117        }
118
119        private void PostsRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e)
120        ...{
121            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
122            ...{
123                PostSearchItem item = e.Item.DataItem as PostSearchItem;
124                if (item != null)
125                ...{
126                    this.loadedPhotoCount++;
127
128                    GalleryImage thumbnail = e.Item.FindControl("Thumbnail") as GalleryImage;
129                    if (thumbnail != null)
130                    ...{
131                        thumbnail.PostID = item.PostID;
132                        if (!ValueHelper.IsNullOrEmpty(item.PostUrl))
133                            thumbnail.NavigateUrl = Globals.FullPathForMainSite(item.PostUrl);
134                    }
135
136                    HyperLink subject = e.Item.FindControl("Subject") as HyperLink;
137                    if (subject != null)
138                    ...{
139                        subject.Text = HtmlUtils.TrimHtml(item.Subject, 20);
140                        subject.ToolTip = HtmlUtils.TrimHtml(item.Subject);
141                        if (!ValueHelper.IsNullOrEmpty(item.PostUrl))
142                        ...{
143                            subject.NavigateUrl = Globals.FullPathForMainSite(item.PostUrl);
144                            subject.Attributes["target"] = "_blank";
145                        }
146                    }
147
148                    Literal body = e.Item.FindControl("Body") as Literal;
149                    if (body != null)
150                        body.Text = item.Body;
151
152                    HyperLink author = e.Item.FindControl("Author") as HyperLink;
153                    if (author != null)
154                    ...{
155                        author.Text = item.Author;
156                        if (!ValueHelper.IsNullOrEmpty(item.UserProfileUrl))
157                        ...{
158                            author.NavigateUrl = Globals.FullPathForMainSite(item.UserProfileUrl);
159                            author.Attributes["target"] = "_blank";
160                        }
161                    }
162
163                    //HyperLink sectionName = e.Item.FindControl("SectionName") as HyperLink;
164                    //if (sectionName != null && !ValueHelper.IsNullOrEmpty(item.SectionName))
165                    //{
166                    //    sectionName.Text = item.SectionName;
167                    //    if (!ValueHelper.IsNullOrEmpty(item.SectionUrl))
168                    //    {
169                    //        sectionName.NavigateUrl = Globals.FullPathForMainSite(item.SectionUrl);
170                    //        sectionName.Attributes["target"] = "_blank";
171                    //    }
172                    //}
173
174                    Literal tags = e.Item.FindControl("Tags") as Literal;
175                    if (tags != null && item.Tags != null)
176                    ...{
177                        for (int i = 0; i < item.Tags.Length; i++)
178                        ...{
179                            tags.Text += string.Format("<a href='{0}' title='{1}' target='_blank'>{2}</a> ", Globals.FullPathForMainSite(ChannelUrls.Instance().ListPicturesByTag(item.Tags[i])), item.Tags[i], StringUtils.Trim(item.Tags[i], 8));
180                            if (i >= 3)
181                                break;
182                        }
183                    }
184
185
186                }
187            }
188        }
189
190        属性#region 属性
191
192        /**////// <summary>
193        ///// 每行显示的项目数
194        ///// </summary>
195        //private int lineSize = 4;
196        //public int LineSize
197        //{
198        //    get { return lineSize; }
199        //    set { lineSize = value; }
200        //}
201
202        #endregion
203
204    }
205}
206