mcs/class/System.Web/System.Web.UI.HtmlControls/HtmlForm.cs

   1 /*      System.Web.UI.HtmlControls\r
   2 *       Authors\r
   3 *               Leen Toelen (toelen@hotmail.com)\r
   4 */\r
   5 \r
   6 using System;\r
   7 using System.Collections;\r
   8 using System.ComponentModel;\r
   9 using System.Text;\r
  10 using System.Web;\r
  11 using System.Web.UI;\r
  12 using System.Web.Util;\r
  13 \r
  14 namespace System.Web.UI.HtmlControls{\r
  15         \r
  16         public class HtmlForm : HtmlContainerControl{\r
  17                 \r
  18                 // Unused\r
  19                 //private static string SmartNavIncludeScriptKey  = "SmartNavIncludeScript";\r
  20                 \r
  21                 public HtmlForm(): base("form"){}\r
  22                                 \r
  23                 protected override void RenderAttributes(HtmlTextWriter writer){\r
  24                         writer.WriteAttribute("name", Name);\r
  25                         Attributes.Remove("name");\r
  26                         writer.WriteAttribute("method", Method);\r
  27                         Attributes.Remove("method");\r
  28                         writer.WriteAttribute("action", Action, true);\r
  29                         Attributes.Remove("action");\r
  30                         if (Enctype != null){\r
  31                                 writer.WriteAttribute ("enctype", Enctype);\r
  32                                 Attributes.Remove ("enctype");\r
  33                         }\r
  34 \r
  35                         Hashtable onSubmit = Page.ClientScript.submitStatements;\r
  36                         if (onSubmit != null && onSubmit.Count > 0){\r
  37                                 StringBuilder sb = new StringBuilder ();\r
  38                                 string prev = Attributes ["onsubmit"];\r
  39                                 if (prev != null){\r
  40                                         sb.Append (prev);\r
  41                                         Attributes.Remove ("onsubmit");\r
  42                                 }\r
  43 \r
  44                                 foreach (Hashtable hash in onSubmit.Values) {\r
  45                                         foreach (string s in hash.Values) {\r
  46                                                 sb.Append (s);\r
  47                                         }\r
  48                                 }\r
  49 \r
  50                                 writer.WriteAttribute ("language", "javascript");\r
  51                                 writer.WriteAttribute ("onsubmit", sb.ToString ());\r
  52                         }\r
  53 \r
  54                         if (ID == null)\r
  55                                 writer.WriteAttribute ("id", ClientID);\r
  56 \r
  57                         base.RenderAttributes (writer);\r
  58                 }\r
  59                 \r
  60                 protected override void Render(HtmlTextWriter output){\r
  61                         /*** Disabled smart navigation. We have no scripts - Gonzalo\r
  62                         if (Page.SmartNavigation == false){\r
  63                                 base.Render (output);\r
  64                                 return;\r
  65                         }\r
  66 \r
  67                         ((IAttributeAccessor) this).SetAttribute("_smartNavigation","true");\r
  68                         HttpBrowserCapabilities browserCap = Context.Request.Browser;\r
  69                         if (browserCap.Browser.ToLower() != "ie" && browserCap.MajorVersion < 5){\r
  70                                 base.Render(output);\r
  71                                 return;\r
  72                         }\r
  73                         output.WriteLine("<IFRAME ID=_hifSmartNav NAME=_hifSmartNav STYLE=display:none ></IFRAME>");\r
  74                                 \r
  75                         if (browserCap.MinorVersion < 0.5 && browserCap.MajorVersion != 5)\r
  76                                 Page.RegisterClientScriptFile("SmartNavIncludeScript","JScript","SmartNavIE5.js");\r
  77                         else if (Page.IsPostBack) Page.RegisterClientScriptFile("SmartNavIncludeScript","JScript","SmartNav.js");\r
  78                         */\r
  79                         base.Render(output);\r
  80                 }\r
  81                 \r
  82                 protected override void RenderChildren (HtmlTextWriter writer)\r
  83                 {\r
  84                         Page.OnFormRender (writer,ClientID);\r
  85                         base.RenderChildren (writer);\r
  86                         Page.OnFormPostRender (writer,ClientID);\r
  87                 }\r
  88                 \r
  89                 protected override void OnInit(EventArgs e){\r
  90                         base.OnInit(e);\r
  91                         Page.RegisterViewStateHandler();\r
  92 #if NET_2_0\r
  93                         Page.RegisterForm (this);\r
  94 #endif\r
  95                 }\r
  96                 \r
  97                 internal string Action {\r
  98                         get{\r
  99                                 string executionFilePath = Context.Request.CurrentExecutionFilePath;\r
 100                                 string filePath = Context.Request.FilePath;\r
 101                                 string attr;\r
 102                                 if (executionFilePath == filePath) {\r
 103                                         attr = filePath;\r
 104                                         int lastSlash = attr.LastIndexOf('/');\r
 105                                         if (lastSlash >= 0)\r
 106                                                 attr = attr.Substring(lastSlash + 1);\r
 107                                 } else {\r
 108                                         attr = UrlUtils.MakeRelative (executionFilePath, UrlUtils.GetDirectory (filePath));\r
 109                                         if (attr == null)\r
 110                                                 attr = executionFilePath;\r
 111                                 }\r
 112                                 string queryString = Context.Request.QueryStringRaw;\r
 113                                 if (queryString != null && queryString.Length > 0)\r
 114                                         attr = String.Concat(attr, '?', queryString);\r
 115                                 return attr;\r
 116                         }\r
 117                 }\r
 118                 \r
 119                 [DefaultValue("")]\r
 120                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]\r
 121                 [WebCategory("Behavior")]\r
 122                 public string Enctype{\r
 123                         get{\r
 124                                 string attr = Attributes["enctype"];\r
 125                                 if (attr != null){\r
 126                                         return attr;\r
 127                                 }\r
 128                                 return "";\r
 129                         }\r
 130                         set{\r
 131                                 Attributes["enctype"] = AttributeToString(value);\r
 132                         }\r
 133                 }\r
 134                 \r
 135                 [DefaultValue("")]\r
 136                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]\r
 137                 [WebCategory("Behavior")]\r
 138                 public string Method{\r
 139                         get{\r
 140                                 string attr = Attributes["method"];\r
 141                                 if (attr != null){\r
 142                                         return attr;\r
 143                                 }\r
 144                                 return "post";\r
 145                         }\r
 146                         set{\r
 147                                 Attributes["method"] = AttributeToString(value);\r
 148                         }\r
 149                 }\r
 150                 \r
 151                 [DefaultValue("")]\r
 152                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]\r
 153                 [WebCategory("Behavior")]\r
 154                 public string Target{\r
 155                         get{\r
 156                                 string attr = Attributes["target"];\r
 157                                 if (attr != null){\r
 158                                         return attr;\r
 159                                 }\r
 160                                 return String.Empty;\r
 161                         }\r
 162                         set{\r
 163                                 Attributes["target"] = AttributeToString(value);\r
 164                         }\r
 165                 }\r
 166                 \r
 167                 [DefaultValue("")]\r
 168                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]\r
 169                 [WebCategory("Appearance")]\r
 170                 public virtual string Name{\r
 171                         get{\r
 172                                 return UniqueID;\r
 173                         }\r
 174                         set {\r
 175                         }\r
 176                 }               \r
 177         } // class HtmlForm\r
 178 } // namespace System.Web.UI.HtmlControls\r
 179 \r