2 // System.Web.UI.WebControls.AdRotator
5 // Ben Maurer <bmaurer@novell.com>
7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections;
31 using System.ComponentModel;
32 using System.Security.Permissions;
33 using System.Web.Util;
35 namespace System.Web.UI.WebControls {
38 [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
39 [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
41 [DefaultEvent("AdCreated")]
42 [DefaultProperty("AdvertisementFile")]
43 [Designer("System.Web.UI.Design.WebControls.AdRotatorDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
45 [ToolboxData("<{0}:AdRotator runat=\"server\"></{0}:AdRotator>")]
47 [ToolboxData("<{0}:AdRotator runat=\"server\" Height=\"60px\" Width=\"468px\"></{0}:AdRotator>")]
49 public class AdRotator :
57 protected internal override void OnInit (EventArgs e)
68 override void OnPreRender (EventArgs eee)
72 if (ad_file != "" && ad_file != null) {
75 GetPhysicalFilePath (ad_file)
77 Page.MapPath (ad_file)
83 AdCreatedEventArgs e = new AdCreatedEventArgs (ht);
90 [MonoTODO ("Not implemented")]
91 protected internal override void PerformDataBinding (IEnumerable data)
93 throw new NotImplementedException ();
96 [MonoTODO ("Not implemented")]
97 protected override void PerformSelect ()
99 throw new NotImplementedException ();
103 AdCreatedEventArgs createdargs;
110 override void Render (HtmlTextWriter w)
112 AdCreatedEventArgs e = createdargs;
114 base.AddAttributesToRender (w);
116 if (e.NavigateUrl != null && e.NavigateUrl.Length > 0)
117 w.AddAttribute (HtmlTextWriterAttribute.Href, ResolveAdUrl (e.NavigateUrl));
118 if (Target != null && Target.Length > 0)
119 w.AddAttribute (HtmlTextWriterAttribute.Target, Target);
121 w.RenderBeginTag (HtmlTextWriterTag.A);
123 if (e.ImageUrl != null && e.ImageUrl.Length > 0)
124 w.AddAttribute (HtmlTextWriterAttribute.Src, ResolveAdUrl (e.ImageUrl));
126 w.AddAttribute (HtmlTextWriterAttribute.Alt, e.AlternateText == null ? "" : e.AlternateText);
127 w.AddAttribute (HtmlTextWriterAttribute.Border, "0", false);
128 w.RenderBeginTag (HtmlTextWriterTag.Img);
129 w.RenderEndTag (); // img
130 w.RenderEndTag (); // a
133 string ResolveAdUrl (string url)
137 if (AdvertisementFile != null && AdvertisementFile.Length > 0 && path [0] != '/' && path [0] != '~')
142 return UrlUtils.Combine (UrlUtils.GetDirectory (ResolveUrl (AdvertisementFile)), path);
145 return ResolveUrl (path);
149 // We take all the ads in the ad file and add up their
150 // impression weight. We then take a random number [0,
151 // TotalImpressions). We then choose the ad that is
152 // that number or less impressions for the beginning
153 // of the file. This lets us respect the weights
156 Hashtable ChooseAd ()
158 // cache for performance
159 string KeywordFilter = this.KeywordFilter;
164 foreach (Hashtable a in ads) {
165 if (KeywordFilter == "" || KeywordFilter == (string) a ["Keyword"])
166 total_imp += a ["Impressions"] != null ? int.Parse ((string) a ["Impressions"]) : 1;
169 int r = new Random ().Next (total_imp);
171 foreach (Hashtable a in ads) {
172 if (KeywordFilter != "" && KeywordFilter != (string) a ["Keyword"])
174 cur_imp += a ["Impressions"] != null ? int.Parse ((string) a ["Impressions"]) : 1;
181 throw new Exception ("I should only get here if no ads matched");
186 ArrayList ads = new ArrayList ();
188 void ReadAdsFromFile (string s)
190 XmlDocument d = new XmlDocument ();
193 } catch (Exception e) {
194 throw new HttpException ("AdRotator could not parse the xml file", e);
199 foreach (XmlNode n in d.DocumentElement.ChildNodes) {
201 Hashtable ad = new Hashtable ();
203 foreach (XmlNode nn in n.ChildNodes)
204 ad.Add (nn.Name, nn.InnerText);
217 [Editor("System.Web.UI.Design.XmlUrlEditor, " + Consts.AssemblySystem_Design, typeof(System.Drawing.Design.UITypeEditor))]
218 [WebSysDescription("")]
219 [WebCategory("Behavior")]
220 public string AdvertisementFile {
231 [DefaultValue ("AlternateText")]
232 [WebSysDescriptionAttribute ("")]
233 [WebCategoryAttribute ("Behavior")]
234 [MonoTODO ("Not implemented")]
235 public string AlternateTextField
238 throw new NotImplementedException ();
241 throw new NotImplementedException ();
247 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
248 [EditorBrowsable(EditorBrowsableState.Never)]
249 public override FontInfo Font {
256 [DefaultValue ("ImageUrl")]
257 [MonoTODO ("Not implemented")]
258 [WebSysDescriptionAttribute ("")]
259 [WebCategoryAttribute ("Behavior")]
260 public string ImageUrlField
263 throw new NotImplementedException ();
266 throw new NotImplementedException ();
274 [WebSysDescription("")]
275 [WebCategory("Behavior")]
276 public string KeywordFilter {
278 return ViewState.GetString ("KeywordFilter", "");
281 ViewState ["KeywordFilter"] = value;
287 [DefaultValue ("NavigateUrl")]
288 [MonoTODO ("Not implemented")]
289 [WebSysDescriptionAttribute ("")]
290 [WebCategoryAttribute ("Behavior")]
291 public string NavigateUrlField
294 throw new NotImplementedException ();
297 throw new NotImplementedException ();
303 [DefaultValue("_top")]
304 [TypeConverter(typeof(System.Web.UI.WebControls.TargetConverter))]
305 [WebSysDescription("")]
306 [WebCategory("Behavior")]
307 public string Target {
309 return ViewState.GetString ("Target", "_top");
312 ViewState ["Target"] = value;
318 /* all these are listed in corcompare */
319 public override string UniqueID
322 return base.UniqueID;
326 protected override HtmlTextWriterTag TagKey
334 protected virtual void OnAdCreated (AdCreatedEventArgs e)
336 AdCreatedEventHandler h = (AdCreatedEventHandler) Events [AdCreatedEvent];
341 static readonly object AdCreatedEvent = new object ();
343 [WebSysDescription("")]
344 [WebCategory("Action")]
345 public event AdCreatedEventHandler AdCreated {
346 add { Events.AddHandler (AdCreatedEvent, value); }
347 remove { Events.RemoveHandler (AdCreatedEvent, value); }