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.Components;
 11using System.Web.UI.WebControls;
 12using SpaceBuilder.Posts.Configuration;
 13using SpaceBuilder.Posts.Components;
 14using SpaceBuilder.Blogs.Configuration;
 15using TunyNet.Utils;
 16using SpaceBuilder.Blogs.Components;
 17using SpaceBuilder.Controls;
 18using SpaceBuilder.Controls.Utils;
 19
 20namespace SpaceBuilder.Blogs.Controls
 21...{
 22    public class UploadBlogAttachments : WeblogAdminThemedControl
 23    ...{
 24        SBContext wlContext = SBContext.Current;
 25
 26        protected override void OnInit(EventArgs e)
 27        ...{
 28            if (SkinName == null)
 29                SkinName = "Skin-UploadBlogAttachment.ascx";
 30
 31            wlContext = SBContext.Current;
 32            base.OnInit(e);
 33        }
 34
 35        Literal tips;
 36        FileUpload blogAttachmentFile;
 37        CustomValidator blogAttachmentFileCustomValidator;
 38        TextBox blogAttachmentSaveAsFileName;
 39        LinkButton uploadBlogAttachmentButton;
 40        StatusMessage statusMessage;
 41
 42        protected override void AttachChildControls()
 43        ...{
 44            tips = FindControl("Tips") as Literal;
 45            blogAttachmentFile = FindControl("BlogAttachmentFile") as FileUpload;
 46            blogAttachmentFileCustomValidator = FindControl("BlogAttachmentFileCustomValidator") as CustomValidator;
 47            blogAttachmentSaveAsFileName = FindControl("BlogAttachmentSaveAsFileName") as TextBox;
 48            statusMessage = FindControl("StatusMessage") as StatusMessage;
 49            uploadBlogAttachmentButton = FindControl("UploadBlogAttachmentButton") as LinkButton;
 50            uploadBlogAttachmentButton.Click += new EventHandler(uploadBlogAttachmentButton_Click);
 51        }
 52
 53        void uploadBlogAttachmentButton_Click(object sender, EventArgs e)
 54        ...{
 55            if (!blogAttachmentFile.HasFile)
 56            ...{
 57                blogAttachmentFileCustomValidator.IsValid = false;
 58                blogAttachmentFileCustomValidator.ErrorMessage = "没有选择要上传的文件";
 59                statusMessage.Visible = true;
 60                statusMessage.Text = "没有选择要上传的文件";
 61                statusMessage.MessageType = StatusMessageType.Error;
 62                return;
 63            }
 64
 65            AttachmentSettings fs = WeblogConfiguration.Instance().AttachmentSettings;
 66            if (fs.ValidateExtensions && !wlContext.User.IsBlogAdministrator)
 67            ...{
 68                if (!fs.ValidationRegex.IsMatch(blogAttachmentFile.FileName))
 69                ...{
 70                    string message = string.Format("只允许上传以下文件类型: {0}.", fs.Extensions.Replace(";", ","));
 71                    blogAttachmentFileCustomValidator.ErrorMessage = message;
 72                    statusMessage.Visible = true;
 73                    statusMessage.MessageType = StatusMessageType.Error;
 74                    statusMessage.Text = message;
 75                    return;
 76                }
 77            }
 78            if ((blogAttachmentFile.FileContent.Length / 1024) < WeblogConfiguration.Instance().AttachmentSettings.MaxAttachmentSize)
 79            ...{
 80                PostAttachment pa = new PostAttachment(blogAttachmentFile.PostedFile);
 81                if (!ValueHelper.IsNullOrEmpty(blogAttachmentSaveAsFileName.Text))
 82                    pa.FriendlyFileName = WebUtils.HtmlEncode(blogAttachmentSaveAsFileName.Text.Trim());
 83
 84                pa.CreateDate = DateTime.Now;
 85                pa.UserID = wlContext.User.UserID;
 86                pa.PostID = 0;
 87                pa.SectionID = CurrentWeblog.SectionID;
 88                pa.ApplicationType = ApplicationType.Blog;
 89                PostAttachments.Add(pa, ApplicationType.Blog);
 90                fs.SaveAttachmentToDisk(pa, pa.SectionID, pa.PostID);
 91                // Context.Response.Redirect( BlogUrls.Instance().ManageBlogAttachments(CurrentWeblog.ApplicationKey));
 92                TunyNet.Web.UI.ModalHelper.ClosePage(Page, "true");
 93            }
 94            else
 95            ...{
 96                blogAttachmentFileCustomValidator.ErrorMessage = string.Format("上传附件不能超过{0}K", WeblogConfiguration.Instance().AttachmentSettings.MaxAttachmentSize);
 97                statusMessage.Visible = true;
 98                statusMessage.MessageType = StatusMessageType.Error;
 99                statusMessage.Text = string.Format("上传附件不能超过{0}K", WeblogConfiguration.Instance().AttachmentSettings.MaxAttachmentSize);
100            }
101
102        }
103
104        protected override void OnLoad(EventArgs e)
105        ...{
106            base.OnLoad(e);
107            Header.AddTitle("上传博客附件", wlContext.Context);
108        }
109
110        protected override void OnPreRender(EventArgs e)
111        ...{
112            base.OnPreRender(e);
113
114            tips.Text = string.Format("请将您上传附件的大小限制在 {0} K<br/>支持上传的文件类型：{1}", WeblogConfiguration.Instance().AttachmentSettings.MaxAttachmentSize, WeblogConfiguration.Instance().AttachmentSettings.Extensions);
115        }
116    }
117}
118