htmlcontrol.cs

不错的人事管理系统

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

namespace System.Web.UI.HtmlControls
{
	/// <summary>
	/// Summary description for HtmlControl.
	/// </summary>
	//.custom instance void [System]System.ComponentModel.DesignerAttribute
	//.custom instance void [System]System.ComponentModel.ToolboxItemAttribute
	public abstract class HtmlControl : Control,IAttributeAccessor
	{
		private AttributeCollection _attributes;
		internal string _tagName;
		
		public HtmlControl() 
		{
//			this = new System.Web.UI.HtmlControls.HtmlControl("span");
		}

		public HtmlControl(string tag) : base() 
		{
			this._tagName = tag;
		}

		protected virtual ControlCollection CreateControlCollection() 
		{
			return new EmptyControlCollection(this);
		}

		internal static string MapIntegerAttributeToString(int n) 
		{
			if (n == -1)
				return null;
			return n.ToString(NumberFormatInfo.InvariantInfo);
		}

		internal static string MapStringAttributeToString(string s) 
		{
			if (s != null && s.Length == 0)
				return null;
			return s;
		}

		internal void PreProcessRelativeReferenceAttribute(HtmlTextWriter writer, string attribName) 
		{
			string local0;

			local0 = this.Attributes[attribName];
			if (local0 == null || local0.Length == 0)
				return;
			try 
			{
				local0 = this.ResolveUrl(local0);
			}
			catch (Exception local1) 
			{
				throw new HttpException(System.Web.HttpRuntime.FormatResourceString("Property_Had_Malformed_Url", attribName, local1.Message));
			}
			writer.WriteAttribute(attribName, local0);
			this.Attributes.Remove(attribName);
		}

		protected virtual void Render(HtmlTextWriter writer) 
		{
			this.RenderBeginTag(writer);
		}

		protected virtual void RenderAttributes(HtmlTextWriter writer) 
		{
			if (this.ID != null)
				writer.WriteAttribute("id", this.ClientID);
			this.Attributes.Render(writer);
		}

		protected virtual void RenderBeginTag(HtmlTextWriter writer) 
		{
			writer.WriteBeginTag(this.TagName);
			this.RenderAttributes(writer);
			writer.Write('>');
		}

		string System.Web.UI.IAttributeAccessor.GetAttribute(string name) 
		{
			return this.Attributes[name];
		}

		void System.Web.UI.IAttributeAccessor.SetAttribute(string name, string value) 
		{
			this.Attributes[name]= value;
		}

		public AttributeCollection Attributes 
		{
			get
			{
				if (this._attributes == null)
					this._attributes = new AttributeCollection(this.ViewState);
				return this._attributes;
			}
		}

		public bool Disabled
		{
			get
			{
				string local0;

				local0 = this.Attributes["disabled"];
				if (local0 == null)
					return false;
				return local0 == "disabled";
			}
			set
			{
				if (value) 
				{
					this.Attributes["disabled"]= "disabled";
					return;
				}
				this.Attributes["disabled"]= null;
			}
		}

		public CssStyleCollection Style 
		{
			get
			{
				return this.Attributes.CssStyle;
			}
		}

		public virtual string TagName
		{
			get
			{
				return this._tagName;
			}
		}

		protected virtual bool ViewStateIgnoresCase 
		{
			get
			{
				return true;
			}
		}


	}
}