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

//
// System.Web.UI.HtmlControls.HtmlControl.cs
//
// Author
	//   Bob Smith <[email protected]>
	//
	//
	// (C) Bob Smith
	//
	
	using System;
	using System.Globalization;
	using System.Web;
	using System.Web.UI;
	
	namespace System.Web.UI.HtmlControls{
		
		public abstract class HtmlControl : Control, IAttributeAccessor
		{
			private string _tagName = "span";
			//TODO: Is this correct, or is the StateBag really the ViewState?
			private AttributeCollection _attributes = new AttributeCollection(new StateBag(true));
			private bool _disabled = false;
			
			public HtmlControl(){}
			
			public HtmlControl(string tag)
			{
				if(tag != null && tag != "") _tagName = tag;
			}
			
			internal static string AttributeToString(int n){
				if (n != -1)return n.ToString(NumberFormatInfo.InvariantInfo);
				return null;
			}
			
			internal static string AttributeToString(string s){
				if (s != null && s.Length != 0) return s;
				return null;
			}
			
			internal void PreProcessRelativeReference(HtmlTextWriter writer, string attribName){
				string attr = Attributes[attribName];
				if (attr != null){
					if (attr.Length != 0){
						try{
							attr = ResolveUrl(attr);
						}
						catch (Exception e) {
							throw new HttpException(attribName + " property had malformed url");
						}
						writer.WriteAttribute(attribName, attr);
						Attributes.Remove(attribName);
					}
				}
			}
			
			string System.Web.UI.IAttributeAccessor.GetAttribute(string name){
				return Attributes[name];
			}
			
			void System.Web.UI.IAttributeAccessor.SetAttribute(string name, string value){
				Attributes[name] = value;
			}
			
			protected virtual void RenderAttributes(HtmlTextWriter writer){
				if (ID != null){
					writer.WriteAttribute("id",ClientID);
				}
				Attributes.Render(writer);
			}
			
			public AttributeCollection Attributes
			{
				get
				{
					return _attributes;
				}
			}
			public bool Disabled
			{
				get
				{
					return _disabled;
				}
				set
				{
					_disabled = value;
				}
			}
			public CssStyleCollection Style
			{
				get
				{
					return _attributes.CssStyle;
				}
			}
			public virtual string TagName
			{
				get
				{
					return _tagName;
				}
			}
		}
	}