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