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

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