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

/*	System.Web.UI.HtmlControls
*	Authors
*		Leen Toelen ([email protected])
*/

using System;
using System.Web;
using System.Web.UI;

namespace System.Web.UI.HtmlControls{
	
	public class HtmlForm : HtmlContainerControl{
		
		private static string SmartNavIncludeScriptKey  = "SmartNavIncludeScript";
		
		public HtmlForm(): base("form"){}
				
		protected new void RenderAttributes(HtmlTextWriter writer){
			writer.WriteAttribute("name",RenderedName);
			Attributes.Remove("name");
			writer.WriteAttribute("method",Method);
			Attributes.Remove("method");
			writer.WriteAttribute("action",Action,true);
			Attributes.Remove("action");

			string clientOnSubmit = Page.ClientOnSubmitEvent;
			if (clientOnSubmit != null && clientOnSubmit.Length > 0){
				if (Attributes["onsubmit"] != null){
					clientOnSubmit = String.Concat(clientOnSubmit,Attributes["onsubmit"]);
					Attributes.Remove("onsubmit");
				}
				writer.WriteAttribute("language","javascript");
				writer.WriteAttribute("onsubmit",clientOnSubmit);
			}
			if (ID == null){
				writer.WriteAttribute("id",ClientID);
			}
			base.RenderAttributes(writer);
		}
		
		//TODO: adapt code for non-IE browsers
		protected override void Render(HtmlTextWriter output){
			if (Page.SmartNavigation == true){
				IAttributeAccessor.SetAttribute("_smartNavigation","true");
				HttpBrowserCapabilities browserCap = Context.Request.Browser;
				if (browserCap.Browser.ToLower() != "ie" && browserCap.MajorVersion < 5){
					base.Render(output);
					return;
				}
				output.WriteLine("<IFRAME ID=_hifSmartNav NAME=_hifSmartNav STYLE=display:none ></IFRAME>");
				
				if (browserCap.MinorVersion < 0.5 && browserCap.MajorVersion != 5)
					Page.RegisterClientScriptFile("SmartNavIncludeScript","JScript","SmartNavIE5.js");
				else if (Page.IsPostBack) Page.RegisterClientScriptFile("SmartNavIncludeScript","JScript","SmartNav.js");
				base.Render(output);
			}
		}
		
		protected override void RenderChildren(HtmlTextWriter writer){
			Page.OnFormRender(writer,ClientID);
			base.RenderChildren(writer);
			Page.OnFormPostRender(writer,ClientID);
		}
		
		protected override void OnInit(EventArgs e){
			base.OnInit(e);
			Page.RegisterViewStateHandler();
		}
		
		internal string Action{
			get{
				string executionFilePath = Context.Request.CurrentExecutionFilePath;
				string filePath = Context.Request.FilePath;
				string attr;
				if (String.ReferenceEquals(executionFilePath, filePath) == true){
					attr = filePath;
					int lastSlash = attr.LastIndexOf('/');
					if (lastSlash >= 0)
						attr = attr.Substring(lastSlash + 1);
				}
				else{
					attr = Util.UrlPath.MakeRelative(filePath,executionFilePath);
				}
				string queryString = Context.Request.QueryStringText;
				if (queryString != null && queryString.Length > 0)
					attr = String.Concat(attr, '?', queryString);
				return attr;
			}
		}
		
		public string EncType{
			get{
				string attr = Attributes["enctype"];
				if (attr != null){
					return attr;
				}
				return null;
			}
			set{
				Attributes["enctype"] = AttributeToString(value);
			}
		}
		
		public string Method{
			get{
				string attr = Attributes["method"];
				if (attr != null){
					return attr;
				}
				return "post";
			}
			set{
				Attributes["method"] = AttributeToString(value);
			}
		}
		
		public string Target{
			get{
				string attr = Attributes["target"];
				if (attr != null){
					return attr;
				}
				return String.Empty;
			}
			set{
				Attributes["target"] = AttributeToString(value);
			}
		}
		
		public string Name{
			get{
				string attr = Attributes["name"];
				if (attr != null){
					return attr;
				}
				return String.Empty;
			}
		}
		
		internal string RenderedName{
			get{
				string attr = Name;
				if (attr.Length > 0){
					return attr;
				}
				return UniqueID;
			}
		}
		
	} // class HtmlForm
} // namespace System.Web.UI.HtmlControls