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HtmlForm.cs 4.2 KB

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  1. /* System.Web.UI.HtmlControls
  2. * Authors
  3. * Leen Toelen ([email protected])
  4. */
  5. using System;
  6. using System.Web;
  7. using System.Web.UI;
  8. namespace System.Web.UI.HtmlControls{
  9. public class HtmlForm : HtmlContainerControl{
  10. private static string SmartNavIncludeScriptKey = "SmartNavIncludeScript";
  11. public HtmlForm(): base("form"){}
  12. protected override void RenderAttributes(HtmlTextWriter writer){
  13. writer.WriteAttribute("name",RenderedName);
  14. Attributes.Remove("name");
  15. writer.WriteAttribute("method",Method);
  16. Attributes.Remove("method");
  17. writer.WriteAttribute("action",Action,true);
  18. Attributes.Remove("action");
  19. if (Enctype != null){
  20. writer.WriteAttribute ("enctype", Enctype);
  21. Attributes.Remove ("enctype");
  22. }
  23. // string clientOnSubmit = Page.ClientOnSubmitEvent;
  24. // if (clientOnSubmit != null && clientOnSubmit.Length > 0){
  25. // if (Attributes["onsubmit"] != null){
  26. // clientOnSubmit = String.Concat(clientOnSubmit,Attributes["onsubmit"]);
  27. // Attributes.Remove("onsubmit");
  28. // }
  29. // writer.WriteAttribute("language","javascript");
  30. // writer.WriteAttribute("onsubmit",clientOnSubmit);
  31. // }
  32. if (ID == null){
  33. writer.WriteAttribute("id",ClientID);
  34. }
  35. base.RenderAttributes(writer);
  36. }
  37. protected override void Render(HtmlTextWriter output){
  38. if (Page.SmartNavigation == false){
  39. base.Render (output);
  40. return;
  41. }
  42. ((IAttributeAccessor) this).SetAttribute("_smartNavigation","true");
  43. HttpBrowserCapabilities browserCap = Context.Request.Browser;
  44. if (browserCap.Browser.ToLower() != "ie" && browserCap.MajorVersion < 5){
  45. base.Render(output);
  46. return;
  47. }
  48. output.WriteLine("<IFRAME ID=_hifSmartNav NAME=_hifSmartNav STYLE=display:none ></IFRAME>");
  49. if (browserCap.MinorVersion < 0.5 && browserCap.MajorVersion != 5)
  50. Page.RegisterClientScriptFile("SmartNavIncludeScript","JScript","SmartNavIE5.js");
  51. else if (Page.IsPostBack) Page.RegisterClientScriptFile("SmartNavIncludeScript","JScript","SmartNav.js");
  52. base.Render(output);
  53. }
  54. protected override void RenderChildren(HtmlTextWriter writer){
  55. // Page.OnFormRender(writer,ClientID);
  56. base.RenderChildren(writer);
  57. // Page.OnFormPostRender(writer,ClientID);
  58. }
  59. protected override void OnInit(EventArgs e){
  60. base.OnInit(e);
  61. Page.RegisterViewStateHandler();
  62. }
  63. internal string Action{
  64. get{
  65. string executionFilePath = Context.Request.CurrentExecutionFilePath;
  66. string filePath = Context.Request.FilePath;
  67. string attr;
  68. if (String.ReferenceEquals(executionFilePath, filePath) == true){
  69. attr = filePath;
  70. int lastSlash = attr.LastIndexOf('/');
  71. if (lastSlash >= 0)
  72. attr = attr.Substring(lastSlash + 1);
  73. }
  74. else{
  75. attr = System.Web.Utils.UrlUtils.MakeRelative(filePath,executionFilePath);
  76. }
  77. string queryString = Context.Request.QueryStringRaw;
  78. if (queryString != null && queryString.Length > 0)
  79. attr = String.Concat(attr, '?', queryString);
  80. return attr;
  81. }
  82. }
  83. public string Enctype{
  84. get{
  85. string attr = Attributes["enctype"];
  86. if (attr != null){
  87. return attr;
  88. }
  89. return null;
  90. }
  91. set{
  92. Attributes["enctype"] = AttributeToString(value);
  93. }
  94. }
  95. public string Method{
  96. get{
  97. string attr = Attributes["method"];
  98. if (attr != null){
  99. return attr;
  100. }
  101. return "post";
  102. }
  103. set{
  104. Attributes["method"] = AttributeToString(value);
  105. }
  106. }
  107. public string Target{
  108. get{
  109. string attr = Attributes["target"];
  110. if (attr != null){
  111. return attr;
  112. }
  113. return String.Empty;
  114. }
  115. set{
  116. Attributes["target"] = AttributeToString(value);
  117. }
  118. }
  119. public string Name{
  120. get{
  121. string attr = Attributes["name"];
  122. if (attr != null){
  123. return attr;
  124. }
  125. return String.Empty;
  126. }
  127. set {
  128. Attributes ["Name"] = value;
  129. }
  130. }
  131. internal string RenderedName{
  132. get{
  133. string attr = Name;
  134. if (attr.Length > 0){
  135. return attr;
  136. }
  137. return UniqueID;
  138. }
  139. }
  140. } // class HtmlForm
  141. } // namespace System.Web.UI.HtmlControls