Castle.MonoRail.Framework.Helpers.FormHelper.GenerateSelect C# (CSharp) Method

		protected virtual string GenerateSelect(string target, object selectedValue, IEnumerable dataSource, IDictionary attributes)
		{
			string id = CreateHtmlId(target);

			ApplyValidation(InputElementType.Select, target, ref attributes);

			StringBuilder sb = new StringBuilder();
			StringWriter sbWriter = new StringWriter(sb);
			HtmlTextWriter writer = new HtmlTextWriter(sbWriter);

			string firstOption = null;
			string firstOptionValue = null;
			string name = target;

			if (attributes != null)
			{
				firstOption = CommonUtils.ObtainEntryAndRemove(attributes, "firstoption");
				firstOptionValue = CommonUtils.ObtainEntryAndRemove(attributes, "firstoptionvalue");

				if (attributes.Contains("name"))
				{
					name = (String) attributes["name"];
					attributes.Remove("name");
				}

				if (attributes.Contains("id"))
				{
					id = (String) attributes["id"];
					attributes.Remove("id");
				}
			}

			OperationState state = SetOperation.IterateOnDataSource(selectedValue, dataSource, attributes);

			writer.WriteBeginTag("select");
			writer.WriteAttribute("id", id);
			writer.WriteAttribute("name", name);
			writer.Write(" ");
			writer.Write(GetAttributes(attributes));
			writer.Write(HtmlTextWriter.TagRightChar);
			writer.WriteLine();

			if (firstOption != null)
			{
				writer.WriteBeginTag("option");
				writer.WriteAttribute("value", (firstOptionValue == null) ? "0" : SafeHtmlEncode(firstOptionValue));
				writer.Write(HtmlTextWriter.TagRightChar);
				writer.Write(SafeHtmlEncode(firstOption));
				writer.WriteEndTag("option");
				writer.WriteLine();
			}

			foreach(SetItem item in state)
			{
				writer.WriteBeginTag("option");

				if (item.IsSelected)
				{
					writer.Write(" selected=\"selected\"");
				}

				writer.WriteAttribute("value", SafeHtmlEncode(item.Value));
				writer.Write(HtmlTextWriter.TagRightChar);
				writer.Write(SafeHtmlEncode(item.Text));
				writer.WriteEndTag("option");
				writer.WriteLine();
			}

			writer.WriteEndTag("select");

			return sbWriter.ToString();
		}