Localized Breadcrumbs in ASP.NET with UrlRewriting support

using System;
using System.Configuration;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Reflection;
using StaticDust.Configuration;

namespace StaticDust.Web.UI.Controls
{
	/// <summary>
	/// Localized Breadcrumbs for ASP.NET with UrlRedirect support.
	/// </summary>
	[DefaultProperty("Seperator"), ToolboxData("<{0}:BreadCrumbs runat=server></{0}:BreadCrumbs>")]
	public class BreadCrumbs : System.Web.UI.WebControls.WebControl
	{
		#region Seperator
		/// <summary>This field holds the value of the Seperator.</summary>
		private string m_Seperator = "&nbsp;/&nbsp;";

		/// <summary>This property gets/sets the value of the Seperator.</summary>
		/// <value>A <see cref="string">string</see> with the value of the Seperator.</value>
		/// <remarks>This property gets/sets the value of the Seperator.</remarks>
		[Bindable(true), Category("Appearance"), DefaultValue("&nbsp;/&nbsp;")]
		public string Seperator
		{
			get
			{
				return (this.m_Seperator);
			}
			set
			{
				this.m_Seperator = value;
			}
		}
		#endregion

		#region DefaultCulture
		/// <summary>This field holds the value of the DefaultCulture.</summary>
		private string m_DefaultCulture = "en-US";

		/// <summary>This property gets/sets the value of the DefaultCulture.</summary>
		/// <value>A <see cref="string">string</see> with the value of the DefaultCulture.</value>
		/// <remarks>This property gets/sets the value of the DefaultCulture.</remarks>
		[Bindable(true), Category("Appearance"), DefaultValue("en-US")]
		public string DefaultCulture
		{
			get
			{
				return (this.m_DefaultCulture);
			}
			set
			{
				this.m_DefaultCulture = value;
			}
		}
		#endregion

		#region DefaultDoc
		/// <summary>This field holds the value of the DefaultDoc.</summary>
		private string m_DefaultDoc = "default.aspx";

		/// <summary>This property gets/sets the value of the DefaultDoc.</summary>
		/// <value>A <see cref="string">string</see> with the value of the DefaultDoc.</value>
		/// <remarks>This property gets/sets the value of the DefaultDoc.</remarks>
		//[Bindable(true), Category("Appearance"), DefaultValue("")]
		//[BusinessObjects.DataColumn("DefaultDoc")]
		public string DefaultDoc
		{
			get
			{
				return (this.m_DefaultDoc);
			}
			set
			{
				this.m_DefaultDoc = value;
			}
		}
		#endregion

		#region HideFileExt
		/// <summary>This field holds the value of the HideFileExt.</summary>
		private bool m_HideFileExt = true;

		/// <summary>This property gets/sets the value of the HideFileExt.</summary>
		/// <value>A <see cref="bool">string</see> with the value of the HideFileExt.</value>
		/// <remarks>This property gets/sets the value of the HideFileExt.</remarks>
		//[Bindable(true), Category("Appearance"), DefaultValue("")]
		//[BusinessObjects.DataColumn("HideFileExt")]
		public bool HideFileExt
		{
			get
			{
				return (this.m_HideFileExt);
			}
			set
			{
				this.m_HideFileExt = value;
			}
		}
		#endregion

		#region LinkFiles
		/// <summary>This field holds the value of the LinkFiles.</summary>
		private bool m_LinkFiles = false;

		/// <summary>This property gets/sets the value of the LinkFiles.</summary>
		/// <value>A <see cref="bool">string</see> with the value of the LinkFiles.</value>
		/// <remarks>This property gets/sets the value of the LinkFiles.</remarks>
		//[Bindable(true), Category("Appearance"), DefaultValue("")]
		//[BusinessObjects.DataColumn("LinkFiles")]
		public bool LinkFiles
		{
			get
			{
				return (this.m_LinkFiles);
			}
			set
			{
				this.m_LinkFiles = value;
			}
		}
		#endregion


		#region protected override void Render(HtmlTextWriter output)
		/// <summary>
		/// Sends server control content to a provided <see cref="System.Web.UI.HtmlTextWriter">HtmlTextWriter</see> object, which writes the content to be rendered on the client.
		/// </summary>
		/// <param name="output">The <see cref="System.Web.UI.HtmlTextWriter">HtmlTextWriter</see> object that receives the server control content. </param>
		/// <remarks>When developing custom server controls, you can override this method to generate content for an ASP.NET page.</remarks>
		protected override void Render(HtmlTextWriter output)
		{
			bool capitalize = false;
			string requestBasePath = HttpContext.Current.Request.Path;
			string requestPath = requestBasePath;
			int queryStringCount = 0;
			foreach ( string key in HttpContext.Current.Request.QueryString ) 
			{
				if(queryStringCount==0)
				{
					requestPath += "?";
				}
				else
				{
					requestPath += "&";
				}
				requestPath += key + "=" + HttpContext.Current.Request.QueryString[key];
				queryStringCount++;
			}
			Assembly assmebly = Assembly.GetExecutingAssembly();
			string configFile = System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "bin\\" +
								assmebly.GetName().ToString().Split(',')[0] + ".config";

			object breadCrumb = CustomConfigurationSettings.AppSettings(configFile)[System.Globalization.CultureInfo.CurrentCulture + "@" + requestPath];
			if(breadCrumb==null)
			{
				breadCrumb = CustomConfigurationSettings.AppSettings(configFile)[System.Globalization.CultureInfo.CurrentCulture + "@" + requestBasePath];
				if(breadCrumb==null)
				{
					breadCrumb = CustomConfigurationSettings.AppSettings(configFile)[this.m_DefaultCulture + "@" + requestPath];
					if(breadCrumb==null)
					{
						breadCrumb = CustomConfigurationSettings.AppSettings(configFile)[this.m_DefaultCulture + "@" + requestBasePath];
						if(breadCrumb==null)
						{
							breadCrumb = requestPath;
							capitalize = true;
						}
					}
				}
			}
			
			string[] breadcrumbArr = (((breadCrumb.ToString().Substring(0,1)=="/") ? HttpContext.Current.Request.Headers["HOST"] : "" ) + breadCrumb.ToString()).Split('/');
			string outputString = "";
			string urlpath = "";
			for(int i=0; i<breadcrumbArr.Length; i++)
			{
				//output.Write("urlpath: " + breadcrumbArr[i].Length + " : \"" + breadcrumbArr[i] + "\"<br/>");

				if(breadcrumbArr.Length==1)
				{
					urlpath = "/" + breadcrumbArr[i];
					
				}
				else
				{
					if(i==0)
					{
						urlpath = "/" + m_DefaultDoc;
					}
					else if(i==(breadcrumbArr.Length-1))
					{
						urlpath += requestPath.Substring((requestPath.LastIndexOf("/")),(requestPath.Length-requestPath.LastIndexOf("/")));
						if(this.m_HideFileExt==true)
						{
							breadcrumbArr[i] = breadcrumbArr[i].Substring(0, ((breadcrumbArr[i].LastIndexOf(".")==-1) ? breadcrumbArr[i].Length : breadcrumbArr[i].LastIndexOf(".")));
						}
					}
					else	
					{
						urlpath += "/" + breadcrumbArr[i] + "/" + m_DefaultDoc;
					}
					//output.Write("urlpath: " + urlpath+" : " + breadcrumbArr[i] + "<br/>");
				}
				
				if(i==(breadcrumbArr.Length-1) && this.m_LinkFiles==false)
				{
					outputString += ((capitalize == true && breadcrumbArr[i].Length>=2) ? (breadcrumbArr[i].Substring(0,1).ToUpper() + breadcrumbArr[i].Substring(1,(breadcrumbArr[i].Length-1)).ToLower()) : breadcrumbArr[i] ) + this.m_Seperator;
				}
				else
				{
					outputString += "<a href=\"" + urlpath + "\">" + ((capitalize == true && breadcrumbArr[i].Length>=2) ? (breadcrumbArr[i].Substring(0,1).ToUpper() + breadcrumbArr[i].Substring(1,(breadcrumbArr[i].Length-1)).ToLower()) : breadcrumbArr[i] ) + "</a>" + this.m_Seperator;
				}
				urlpath = urlpath.Replace("/" + m_DefaultDoc,"");

			}

			outputString = outputString.Substring(0,(outputString.Length-this.m_Seperator.Length));
			output.Write(outputString);
		}
		#endregion
	}
}