当前文件： SpaceBuiderV10Source/BasicWebControls/Channel/Search/NewsSearchResults.cs[5K，2009-6-12 11:55:07]，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//------------------------------------------------------------------------------
  6using System;
  7using System.Collections.Generic;
  8using System.Text;
  9using SpaceBuilder.Controls.BaseClasses;
 10using SpaceBuilder.Controls.Utils;
 11using System.Web.UI.HtmlControls;
 12using System.Web.UI.WebControls;
 13using SpaceBuilder.Posts.Components;
 14using TunyNet.Data.Utils;
 15using SpaceBuilder.Posts.Providers;
 16using TunyNet.Utils;
 17using SpaceBuilder.Utils;
 18using SpaceBuilder.Components;
 19
 20namespace SpaceBuilder.Search.Controls
 21...{
 22     public class NewsSearchResults : TemplatedWebControl
 23    ...{
 24
 25        protected override void OnInit(EventArgs e)
 26        ...{
 27            if (SkinName == null)
 28                ExternalSkinFileName = "Searchs/Skin-NewsSearchResults.ascx";
 29            else
 30                ExternalSkinFileName = SkinName;
 31            base.OnInit(e);
 32        }
 33
 34        Child Controls#region Child Controls
 35
 36        StatusMessage statusMessage;
 37        HtmlControl noResultsDiv;
 38        HtmlControl listPostsDiv;
 39        Literal searchHint;
 40
 41        Repeater postsRepeater;
 42        Pager pager;
 43
 44        #endregion
 45
 46        protected override void AttachChildControls()
 47        ...{
 48            statusMessage = FindControl("StatusMessage") as StatusMessage;
 49            noResultsDiv = FindControl("NoResultsDiv") as HtmlControl;
 50            listPostsDiv = FindControl("ListPostsDiv") as HtmlControl;
 51            searchHint = FindControl("SearchHint") as Literal;
 52
 53            postsRepeater = FindControl("PostsRepeater") as Repeater;
 54            if(postsRepeater!=null)
 55                postsRepeater.ItemDataBound += new RepeaterItemEventHandler(postsRepeater_ItemDataBound);
 56            pager = FindControl("Pager") as Pager;
 57        }
 58
 59        protected override void OnLoad(EventArgs e)
 60        ...{
 61            base.OnLoad(e);
 62            EnsureChildControls();
 63            if (!Page.IsPostBack)
 64                BindData();
 65        }
 66
 67        private void BindData()
 68        ...{
 69            PostFullTextQuery query = new PostFullTextQuery();
 70            query.ConvertFromQueryString();
 71            if (query.IsValid())
 72            ...{
 73                query.PageSize = 10;
 74                query.PageIndex = pager.PageIndex;
 75
 76                SearchResultDataSet<PostSearchItem> pds = PostSearchProvider.Instance().Search(query);
 77                postsRepeater.DataSource = pds.Records;
 78                postsRepeater.DataBind();
 79
 80                if (pds.TotalRecords > 0)
 81                ...{
 82                    searchHint.Text = "约有 <span class='stress'>" + pds.TotalRecords + " </span>个资讯满足搜索条件，搜索用时 " + pds.SearchDuration + " 秒";
 83
 84                    pager.TotalRecords = pds.TotalRecords;
 85                    pager.PageSize = query.PageSize;
 86                }
 87                else
 88                ...{
 89                    noResultsDiv.Visible = true;
 90                    listPostsDiv.Visible = false;
 91                }
 92            }
 93            else
 94            ...{
 95                listPostsDiv.Visible = false;
 96                statusMessage.Visible = true;
 97                statusMessage.MessageType = StatusMessageType.Error;
 98                statusMessage.Text = "请填写您的搜索条件，再进行搜索";
 99            }
100        }
101
102        void postsRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e)
103        ...{
104            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
105            ...{
106                PostSearchItem item = e.Item.DataItem as PostSearchItem;
107                if (item != null)
108                ...{
109                    HyperLink subject = e.Item.FindControl("Subject") as HyperLink;
110                    if (subject != null)
111                    ...{
112                        subject.Text = StringUtils.Trim(item.Subject, this.displayItemNameLength);
113                        subject.NavigateUrl = Globals.FullPathForMainSite(item.PostUrl);
114                        subject.ToolTip = item.Subject;
115                    }
116
117                    Literal body = e.Item.FindControl("Body") as Literal;
118                    if (body != null)
119                        body.Text = StringUtils.Trim(item.Body,this.displayItemBodyLength);
120
121                    Literal lastUpdatedDate = e.Item.FindControl("LastUpdatedDate") as Literal;
122                    if (lastUpdatedDate != null)
123                        lastUpdatedDate.Text = Formatter.FormatDate(item.LastUpdatedDate);
124                }
125            }
126        }
127
128        属性#region 属性
129
130        private int displayItemNameLength = 15;
131        public int DisplayItemNameLength
132        ...{
133            get ...{ return displayItemNameLength; }
134            set ...{ displayItemNameLength = value; }
135        }
136
137        private int displayItemBodyLength = 50;
138        public int DisplayItemBodyLength
139        ...{
140            get ...{ return displayItemBodyLength; }
141            set ...{ displayItemBodyLength = value; }
142        }
143         
144        #endregion
145
146    }
147}
148