当前文件路径：BlogEngine/admin/Pages/Add_entry.aspx.cs 
1
Using#region Using
2
3using System;
4using System.Web;
5using System.Text;
6using System.IO;
7using System.Web.Security;
8using System.Web.UI.WebControls;
9using System.Web.UI.HtmlControls;
10using System.Threading;
11using BlogEngine.Core;
12
13
#endregion
14
15public partial class admin_entry : System.Web.UI.Page, System.Web.UI.ICallbackEventHandler
16...{
17 protected void Page_Load(object sender, EventArgs e)
18
...{
19 this.MaintainScrollPositionOnPostBack = true;
20 if (!Page.IsPostBack && !Page.IsCallback)
21 ...{
22 BindCategories();
23 BindUsers();
24 BindDrafts();
25
26 Page.Title = Resources.labels.add_Entry;
27 Page.ClientScript.GetCallbackEventReference(this, "title", "ApplyCallback", "slug");
28
29 if (!String.IsNullOrEmpty(Request.QueryString["id"]) && Request.QueryString["id"].Length == 36)
30 ...{
31 Guid id = new Guid(Request.QueryString["id"]);
32 Page.Title = "Edit post";
33 BindPost(id);
34
}
35 else
36 ...{
37 PreSelectAuthor(Page.User.Identity.Name);
38 txtDate.Text = DateTime.Now.AddHours(BlogSettings.Instance.Timezone).ToString("yyyy-MM-dd HH:mm");
39 cbEnableComments.Checked = BlogSettings.Instance.IsCommentsEnabled;
40 if (Session["content"] != null)
41 ...{
42 txtContent.Text = Session["content"].ToString();
43 txtTitle.Text = Session["title"].ToString();
44 txtDescription.Text = Session["description"].ToString();
45 txtSlug.Text = Session["slug"].ToString();
46 txtTags.Text = Session["tags"].ToString();
47 }
48 BindBookmarklet();
49 }
50
51 if (!Page.User.IsInRole("administrators"))
52 ddlAuthor.Enabled = false;
53
54 cbEnableComments.Enabled = BlogSettings.Instance.IsCommentsEnabled;
55 if (!Utils.IsMono) Page.Form.DefaultButton = btnSave.UniqueID;
56 }
57
58 btnSave.Text = Resources.labels.savePost; // mono does not interpret the inline code correctly
59 btnSave.Click += new EventHandler(btnSave_Click);
60 btnCategory.Click += new EventHandler(btnCategory_Click);
61 btnUploadFile.Click += new EventHandler(btnUploadFile_Click);
62 btnUploadImage.Click += new EventHandler(btnUploadImage_Click);
63 valExist.ServerValidate += new ServerValidateEventHandler(valExist_ServerValidate);
64 }
65
66 private void valExist_ServerValidate(object source, ServerValidateEventArgs args)
67 ...{
68 args.IsValid = true;
69
70 foreach (Category cat in Category.Categories)
71 ...{
72 if (cat.Title.Equals(txtCategory.Text.Trim(), StringComparison.OrdinalIgnoreCase))
73 args.IsValid = false;
74 }
75 }
76
77 private void btnUploadImage_Click(object sender, EventArgs e)
78 ...{
79 Upload(BlogSettings.Instance.StorageLocation + "files" + Path.DirectorySeparatorChar, txtUploadImage);
80 string path = Utils.AbsoluteWebRoot.ToString();
81 string img = string.Format("<img src=\"{0}image.axd?picture={1}\" alt=\"\" />", path, Server.UrlEncode(txtUploadImage.FileName));
82 txtContent.Text += string.Format(img, txtUploadImage.FileName);
83 }
84
85 private void btnUploadFile_Click(object sender, EventArgs e)
86 ...{
87 Upload(BlogSettings.Instance.StorageLocation + "files" + Path.DirectorySeparatorChar, txtUploadFile);
88
89 string a = "<p><a href=\"{0}file.axd?file={1}\" rel=\"enclosure\">{2}</a></p>";
90 string text = txtUploadFile.FileName + " (" + SizeFormat(txtUploadFile.FileBytes.Length, "N") + ")";
91 txtContent.Text += string.Format(a, Utils.RelativeWebRoot, Server.UrlEncode(txtUploadFile.FileName), text);
92 }
93
94 private void Upload(string virtualFolder, FileUpload control)
95 ...{
96 string folder = Server.MapPath(virtualFolder);
97 control.PostedFile.SaveAs(folder + control.FileName);
98 }
99
100 private string SizeFormat(float size, string formatString)
101 ...{
102 if (size < 1024)
103 return size.ToString(formatString) + " bytes";
104
105 if (size < Math.Pow(1024, 2))
106 return (size / 1024).ToString(formatString) + " kb";
107
108 if (size < Math.Pow(1024, 3))
109 return (size / Math.Pow(1024, 2)).ToString(formatString) + " mb";
110
111 if (size < Math.Pow(1024, 4))
112 return (size / Math.Pow(1024, 3)).ToString(formatString) + " gb";
113
114 return size.ToString(formatString);
115 }
116
117 Event handlers#region Event handlers
118
119 /**//// <summary>
120 /// Creates and saves a new category
121 /// </summary>
122 private void btnCategory_Click(object sender, EventArgs e)
123 ...{
124 if (Page.IsValid)
125 ...{
126 Category cat = new Category(txtCategory.Text, string.Empty);
127 cat.Save();
128 ListItem item = new ListItem(Server.HtmlEncode(txtCategory.Text), cat.Id.ToString());
129 item.Selected = true;
130 cblCategories.Items.Add(item);
131 }
132 }
133
134 /**//// <summary>
135 /// Saves the post
136 /// </summary>
137 private void btnSave_Click(object sender, EventArgs e)
138 ...{
139 if (!Page.IsValid)
140 throw new InvalidOperationException("One or more validators are invalid.");
141
142 Post post;
143 if (Request.QueryString["id"] != null)
144 post = Post.GetPost(new Guid(Request.QueryString["id"]));
145 else
146 post = new Post();
147
148 if (string.IsNullOrEmpty(txtContent.Text))
149 txtContent.Text = "[No text]";
150
151 post.DateCreated = DateTime.ParseExact(txtDate.Text, "yyyy-MM-dd HH:mm", null).AddHours(-BlogSettings.Instance.Timezone);
152 post.Author = ddlAuthor.SelectedValue;
153 post.Title = txtTitle.Text.Trim();
154 post.Content = txtContent.Text;
155 post.Description = txtDescription.Text.Trim();
156 post.IsPublished = cbPublish.Checked;
157 post.IsCommentsEnabled = cbEnableComments.Checked;
158
159 if (!string.IsNullOrEmpty(txtSlug.Text))
160 post.Slug = Server.UrlDecode(txtSlug.Text.Trim());
161
162 post.Categories.Clear();
163
164 foreach (ListItem item in cblCategories.Items)
165 ...{
166 if (item.Selected)
167 post.Categories.Add(Category.GetCategory(new Guid(item.Value)));
168 }
169
170 post.Tags.Clear();
171 if (txtTags.Text.Trim().Length > 0)
172 ...{
173 string[] tags = txtTags.Text.Split(',');
174 foreach (string tag in tags)
175 ...{
176 post.Tags.Add(tag.Trim().ToLowerInvariant());
177 }
178 }
179
180 post.Save();
181
182 Session.Remove("content");
183 Session.Remove("title");
184 Session.Remove("description");
185 Session.Remove("slug");
186 Session.Remove("tags");
187 Response.Redirect(post.RelativeLink.ToString());
188 }
189
190 #endregion
191
192 Data binding#region Data binding
193
194 private void BindCategories()
195 ...{
196 foreach (Category cat in Category.Categories)
197 ...{
198 cblCategories.Items.Add(new ListItem(Server.HtmlEncode(cat.Title), cat.Id.ToString()));
199 }
200 }
201
202 private void BindPost(Guid postId)
203 ...{
204 Post post = Post.GetPost(postId);
205 txtTitle.Text = post.Title;
206 txtContent.Text = post.Content;
207 txtDescription.Text = post.Description;
208 txtDate.Text = post.DateCreated.ToString("yyyy-MM-dd HH:mm");
209 cbEnableComments.Checked = post.IsCommentsEnabled;
210 cbPublish.Checked = post.IsPublished;
211 txtSlug.Text = Utils.RemoveIllegalCharacters(post.Slug);
212
213 PreSelectAuthor(post.Author);
214
215 foreach (Category cat in post.Categories)
216 ...{
217 ListItem item = cblCategories.Items.FindByValue(cat.Id.ToString());
218 if (item != null)
219 item.Selected = true;
220 }
221
222 string[] tags = new string[post.Tags.Count];
223 for (int i = 0; i < post.Tags.Count; i++)
224 ...{
225 tags[i] = post.Tags[i];
226 }
227 txtTags.Text = string.Join(",", tags);
228 }
229
230 private void PreSelectAuthor(string author)
231 ...{
232 ddlAuthor.ClearSelection();
233 foreach (ListItem item in ddlAuthor.Items)
234 ...{
235 if (item.Text.Equals(author, StringComparison.OrdinalIgnoreCase))
236 ...{
237 item.Selected = true;
238 break;
239 }
240 }
241 }
242
243 private void BindBookmarklet()
244 ...{
245 if (Request.QueryString["title"] != null && Request.QueryString["url"] != null)
246 ...{
247 string title = Request.QueryString["title"];
248 string url = Request.QueryString["url"];
249
250 txtTitle.Text = title;
251 txtContent.Text = string.Format("<p><a href=\"{0}\" title=\"{1}\">{1}</a></p>", url, title);
252 }
253 }
254
255 private void BindUsers()
256 ...{
257 foreach (MembershipUser user in Membership.GetAllUsers())
258 ...{
259 ddlAuthor.Items.Add(user.UserName);
260 }
261 }
262
263 private void BindDrafts()
264 ...{
265 Guid id = Guid.Empty;
266 if (!String.IsNullOrEmpty(Request.QueryString["id"]) && Request.QueryString["id"].Length == 36)
267 ...{
268 id = new Guid(Request.QueryString["id"]);
269 }
270
271 int counter = 0;
272
273 foreach (Post post in Post.Posts)
274 ...{
275 if (!post.IsPublished && post.Id != id)
276 ...{
277 HtmlGenericControl li = new HtmlGenericControl("li");
278 HtmlAnchor a = new HtmlAnchor();
279 a.HRef = "?id=" + post.Id.ToString();
280 a.InnerHtml = post.Title;
281
282 System.Web.UI.LiteralControl text = new System.Web.UI.LiteralControl(" by " + post.Author + " (" + post.DateCreated.ToString("yyyy-dd-MM HH:mm") + ")");
283
284 li.Controls.Add(a);
285 li.Controls.Add(text);
286 ulDrafts.Controls.Add(li);
287 counter++;
288 }
289 }
290
291 if (counter > 0)
292 ...{
293 divDrafts.Visible = true;
294 aDrafts.InnerHtml = string.Format(Resources.labels.thereAreXDrafts, counter);
295 }
296 }
297
298 #endregion
299
300
301 ICallbackEventHandler Members#region ICallbackEventHandler Members
302
303
