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. {
  56. Page.OnFormRender (writer,ClientID);
  57. base.RenderChildren (writer);
  58. Page.OnFormPostRender (writer,ClientID);
  59. }
  60. protected override void OnInit(EventArgs e){
  61. base.OnInit(e);
  62. Page.RegisterViewStateHandler();
  63. }
  64. internal string Action{
  65. get{
  66. string executionFilePath = Context.Request.CurrentExecutionFilePath;
  67. string filePath = Context.Request.FilePath;
  68. string attr;
  69. if (String.ReferenceEquals(executionFilePath, filePath) == true){
  70. attr = filePath;
  71. int lastSlash = attr.LastIndexOf('/');
  72. if (lastSlash >= 0)
  73. attr = attr.Substring(lastSlash + 1);
  74. }
  75. else{
  76. attr = System.Web.Util.UrlUtils.MakeRelative(filePath,executionFilePath);
  77. }
  78. string queryString = Context.Request.QueryStringRaw;
  79. if (queryString != null && queryString.Length > 0)
  80. attr = String.Concat(attr, '?', queryString);
  81. return attr;
  82. }
  83. }
  84. public string Enctype{
  85. get{
  86. string attr = Attributes["enctype"];
  87. if (attr != null){
  88. return attr;
  89. }
  90. return null;
  91. }
  92. set{
  93. Attributes["enctype"] = AttributeToString(value);
  94. }
  95. }
  96. public string Method{
  97. get{
  98. string attr = Attributes["method"];
  99. if (attr != null){
  100. return attr;
  101. }
  102. return "post";
  103. }
  104. set{
  105. Attributes["method"] = AttributeToString(value);
  106. }
  107. }
  108. public string Target{
  109. get{
  110. string attr = Attributes["target"];
  111. if (attr != null){
  112. return attr;
  113. }
  114. return String.Empty;
  115. }
  116. set{
  117. Attributes["target"] = AttributeToString(value);
  118. }
  119. }
  120. public virtual string Name{
  121. get{
  122. string attr = Attributes["name"];
  123. if (attr != null){
  124. return attr;
  125. }
  126. return String.Empty;
  127. }
  128. set {
  129. Attributes ["Name"] = value;
  130. }
  131. }
  132. internal string RenderedName{
  133. get{
  134. string attr = Name;
  135. if (attr.Length > 0){
  136. return attr;
  137. }
  138. return UniqueID;
  139. }
  140. }
  141. } // class HtmlForm
  142. } // namespace System.Web.UI.HtmlControls