using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.ComponentModel;

namespace VEPROMS.CSLA.Library
{
	#region vlnFormatDocument
	public class vlnFormatDocument:XmlDocument
	{
		private static XmlElement mydocele;
		public vlnFormatDocument(IFormatOrFormatInfo myFormat)
		{
			_MyFormat = myFormat;
			LoadXml(MyFormat.Data);
			mydocele = this.DocumentElement;
		}
		private IFormatOrFormatInfo _MyFormat;
		public IFormatOrFormatInfo MyFormat
		{
			get { return _MyFormat; }
			set { _MyFormat = value; }
		}
		public static XmlNode LookupSingleNode(XmlNode xmlNode, string path)
		{
			//original:
			//if (xmlNode == null) return null;
			//XmlNode xn = xmlNode.SelectSingleNode(path);
			//if (xn != null) return xn;
			//if (xmlNode.Name == "Step") xn =  LookupSingleStepNode(xmlNode, path);
			//if (xn != null) return xn;
			//if (path.StartsWith("Font")) return LookupSingleFontNode(xmlNode, path);
			//return InheritLookup(xmlNode, path);
/* RHM 20090821 - 
			if (path.StartsWith("Font"))
			{
				XmlNode xn = null;
				if (xmlNode != null)
					{
					xn = xmlNode.SelectSingleNode(path);
					// RHM 2008-12-15 - Added logic to keep looking if a blank attribute is found
					if (xn != null && xn is XmlAttribute && (xn as XmlAttribute).Value != "") return xn;
					//if (xn != null) return xn;
				}
				else
				{
					xmlNode = LookupSingleNode(mydocele.FirstChild, "/PlantFormat/FormatData");
				}
				if (path.Contains("Font")) Console.WriteLine("vlnFormatDocument.LookupSingleNode {0},{1}", xmlNode.Name == "Step" ? "Step." + xmlNode.Attributes["Type"].Value : xmlNode.Name, path);
				return LookupSingleFontNode(xmlNode, path);
			}
			else
			{
 */
				if (xmlNode == null) return null;
				XmlNode xn = xmlNode.SelectSingleNode(path);
				if (xmlNode.Name == "Box") return xn;   // if box, don't do inheritance.
				if (xmlNode.Name == "DocStyle") return xn;
				//C2025-023 - Electronic Procedures - Modifications to PROMS
				if (xmlNode.Name == "EPField") return xn;   // if Electronic Procedure Field, don't do inheritance.
				if (xmlNode.Name == "StructureStyle")
				{
					Volian.Base.Library.DebugText.WriteLine("vlnFormatDocument:LookupSingleNode:StructureStyle - shouldn't get to this line of code.\r\nPath = {0}", path);
					return xn; // User Format (sub format) - shouldn't? inherit? -need to check
				}
				if (xn != null) return xn;
				//if (path.Contains("Font")) Console.WriteLine("vlnFormatDocument.LookupSingleNode {0},{1}", xmlNode.Name == "Step" ? "Step." + xmlNode.Attributes["Type"].Value : xmlNode.Name, path);
				if (xmlNode.Name == "Step") xn = LookupSingleStepNode(xmlNode, path); // Check for Step Inheritance
				if (xmlNode.ParentNode.Name == "Step")
					xn = LookupSingleStepNode(xmlNode.ParentNode, xmlNode.Name + "/" + path); // Check for Step Inheritance
				if (xn != null) return xn;
				if (path.StartsWith("Font")) return LookupSingleFontNode(xmlNode, path); // Then do Font Inheritance
				return InheritLookup(xmlNode, path, false);
//			}
		}
		public static XmlNode LookupSingleFontNode(XmlNode xmlNode, string path)
		{
			if (xmlNode == null) return null;
			XmlNode tmpNode = xmlNode;
			XmlNode xn = xmlNode.SelectSingleNode(path);
			// RHM 2008-12-15 - Added logic to keep looking if a blank attribute is found
			while (xn == null || (xn is XmlAttribute && (xn as XmlAttribute).Value == ""))//Walk-up the format tree to find a font node
			{
				// if the font is not specified in the PageStyle (PageList), then see if oneis set in the DocStyle (default for that section)
				// 
				if (xmlNode.Name == "PageStyle")
				{
					string psIdx = (xmlNode.Attributes.GetNamedItem("Index") as XmlAttribute).Value;
					XmlNode docStyle = xmlNode.OwnerDocument.SelectSingleNode(string.Format("//DocStyle[@PageStyle='{0}']",psIdx));
					xn = docStyle.SelectSingleNode(path);
					if (xn != null) return xn;
					// could not find a font in the DocStyle, so use the format default
					return LookupSingleNode(tmpNode.OwnerDocument.DocumentElement, "/PlantFormat/FormatData/" + path);
				}
				if (xmlNode.NodeType == XmlNodeType.Document)
				{
					//if (path.Contains("Font")) Console.WriteLine("vlnFormatDocument.LookupSingleFontNode {0},{1}", tmpNode.Name == "Step" ? "Step." + tmpNode.Attributes["Type"].Value : tmpNode.Name, path);
					return LookupSingleNode(tmpNode.OwnerDocument.DocumentElement, "/PlantFormat/FormatData/" + path);
				}
				xmlNode = xmlNode.ParentNode;
				xn = xmlNode.SelectSingleNode(path);
			}
			return xn;
		}
		public static XmlNode LookupSingleStepNode(XmlNode xmlNode, string path)
		{
			
			if (xmlNode == null) return null;
			XmlNode xn = xmlNode.SelectSingleNode(path);
			XmlNode tmpNode = xmlNode;
			XmlNode tmpNode2 = xmlNode;
			while (xn == null)  //Walk-up the format tree to find a step node
			{
				//if (path.Contains("Font")) Console.WriteLine("vlnFormatDocument.LookupSingleStepNode -> Loop {0},{1}", xmlNode.Name == "Step" ? "Step." + xmlNode.Attributes["Type"].Value : xmlNode.Name, path);
				tmpNode = xmlNode;
				// RHM 20090831 Try doing a lookup of the parent.  If no parent, go back to the original and do an inheritance lookup
				XmlAttribute attr = xmlNode.Attributes["ParentType"];
				if (attr == null || attr.Value == string.Empty) // Cannot find ParentType so do an InheritanceLookup
					return InheritLookup(tmpNode2, path, true);
				//return InheritLookup(xmlNode, path, false);
				xmlNode = xmlNode.ParentNode.SelectSingleNode(string.Format("Step[@Type='{0}']", xmlNode.Attributes["ParentType"].InnerText));
				// Based upon our current data - the following conditions are never met.
				//if (xmlNode == null && path.StartsWith("Font"))
				//{
				//  //if (path.Contains("Font")) Console.WriteLine("vlnFormatDocument.LookupSingleStepNode -> Font {0},{1}", tmpNode.Name == "Step" ? "Step." + tmpNode.Attributes["Type"].Value : tmpNode.Name, path);
				//  return LookupSingleFontNode(tmpNode, path);
				//}
				//if (xmlNode == null)
				//{
				//  //if (path.Contains("Font")) Console.WriteLine("vlnFormatDocument.LookupSingleStepNode -> Font {0},{1}", tmpNode2.Name == "Step" ? "Step." + tmpNode2.Attributes["Type"].Value : tmpNode2.Name, path);
				//  return InheritLookup(tmpNode2, path, true);
				//}
				xn = xmlNode.SelectSingleNode(path);
			}
			return xn;
		}
		public static XmlNodeList LookupNodes(XmlNode xmlNode, string path)
		{
			if (xmlNode == null) return null;
			XmlNodeList xl = xmlNode.SelectNodes(path);
			if (xl == null||xl.Count==0) xl = InheritLookupNodes(xmlNode, path);
			if (xl == null) return null;
			return xl;
		}
		public static string Lookup(XmlNode xmlNode, string path)
		{
			//if (xmlNode == null) return null;
			XmlNode xn = LookupSingleNode(xmlNode, path);
			//if (xn == null) xn = InheritLookup(xmlNode, path);
			if (xn == null) return null;
			return xn.InnerText;
		}
		//public static string StepLookup(XmlNode xmlNode, string path)
		//{
		//    //if (xmlNode == null) return null;
		//    XmlNode xn = LookupSingleStepNode(xmlNode, path);
		//    //if (xn == null) xn = InheritLookup(xmlNode, path);
		//    if (xn == null) return null;
		//    return xn.InnerText;
		//}
		public static T EnumLookup<T>(XmlNode xmlNode, string path)
		{
			string str = Lookup(xmlNode,path);
			if (str == null) return default(T);
			return (T)Enum.Parse(typeof(T), str);
		}
		public static int? IntLookup(XmlNode xmlNode, string path)
		{
			//if (xmlNode == null) return null;
			//XmlNode xn = LookupSingleNode(xmlNode, path);
			//if (xn == null) xn = InheritLookup(xmlNode, path);
			//if (xn == null) return null;
			//return int.Parse(xn.InnerText);
			string str = Lookup(xmlNode, path);
			if (str == null) return null;
			return int.Parse(str);
		}
		public static int SiblingCount(XmlNode xmlNode)
		{
			int retval = 0;
			string nodeName = xmlNode.Name;
			for (XmlNode xn = xmlNode; xn != null; xn = xn.PreviousSibling)
			{
				if (xn.Name == nodeName) retval++;
			}
			return retval;
		}
		public static string Path(XmlNode xmlNode)
		{
			// Walk the path
			string parentPath = (xmlNode.ParentNode == xmlNode.OwnerDocument ? "" : Path(xmlNode.ParentNode));
			// Count Siblings with the Same Name
			int sibCount = SiblingCount(xmlNode);
			return string.Format("{0}/{1}[{2}]", parentPath, xmlNode.Name, sibCount);
		}
		public static XmlNode InheritLookup(XmlNode xmlNode, string path, bool stepLookup)
		{
			//stepLookup = false;   // 8/2 change for inheritance
			if (xmlNode == null) return null;// No path to match
			string xPath = Path(xmlNode);// Build xPath from xmlNode
			if (xmlNode.Name == "TransTypes")
			{
				string TransIndex = xmlNode.Attributes["Index"].Value;
				 xPath = System.Text.RegularExpressions.Regex.Replace(xPath, @"\[[0-9]*\]$", @"[@Index='" + TransIndex + @"']");
			}
			vlnFormatDocument fd = (vlnFormatDocument)(xmlNode.OwnerDocument);//First Get the vlnFormatDocument  - This also ties it to a FormatInfo object
			while(fd.MyFormat.MyIParent != null)
			{
				fd = fd.MyFormat.MyIParent.PlantFormat.XmlDoc;// Get the parents vlnFormatDocument
				if (fd != null)
				{
					XmlNode xp;
					if (path.StartsWith("/")) xp = fd.DocumentElement;
					else xp = fd.SelectSingleNode(xPath);// Get the related node
					if (xp != null)
					{
						XmlNode xn = null;
						if (stepLookup)
						{
							//if (path.Contains("Font")) Console.WriteLine("vlnFormatItem.SelectSingleNode {0},{1}", xp.Name == "Step" ? "Step." + xp.Attributes["Type"].Value : xp.Name, path);
							xn = LookupSingleStepNode(xp, path);
						}
						else
							xn = xp.SelectSingleNode(path);
						if(xn != null) return xn;
					}
				}
			}
			return null;
		}
		public static XmlNodeList InheritLookupNodes(XmlNode xmlNode, string path)
		{
			if (xmlNode == null) return null;// No path to match
			string xPath = Path(xmlNode);// Build xPath from xmlNode
			vlnFormatDocument fd = (vlnFormatDocument)(xmlNode.OwnerDocument);//First Get the vlnFormatDocument - This also ties it to a FormatInfo object
			while (fd.MyFormat.MyIParent != null)
			{
				fd = fd.MyFormat.MyIParent.PlantFormat.XmlDoc;// Get the parents vlnFormatDocument
				if (fd != null)
				{
					XmlNode xp = fd.SelectSingleNode(xPath);// Get the related node
					if (xp != null)
					{
						XmlNodeList xl = xp.SelectNodes(path);
						if (xl != null && xl.Count > 0)
							return xl;
					}
				}
			}
			return null;
		}
	}
	#endregion
	#region vlnFormatItem
	[TypeConverter(typeof(ExpandableObjectConverter))]
	public class vlnFormatItem
	{
		public vlnFormatItem(XmlNode xmlNode)
		{
			_XmlNode = xmlNode;
		}
		public vlnFormatItem() { }
		XmlNode _XmlNode;
		internal XmlNode XmlNode
		{
			get { return _XmlNode; }
			set { _XmlNode = value; }
		}
		private IFormatOrFormatInfo _MyFormat;
		public IFormatOrFormatInfo MyFormat
		{
			get 
			{
				if (_MyFormat == null)
				{
					vlnFormatDocument doc = (XmlNode.OwnerDocument) as vlnFormatDocument;
					if(doc != null)
						_MyFormat = doc.MyFormat;
				}
				return _MyFormat;
			}
		}
		private IFormatOrFormatInfo _MyParentFormat;
		public IFormatOrFormatInfo MyParentFormat
		{
			get
			{
				return MyFormat.MyIParent;
			}
		}
		public virtual string GetPDDisplayName()
		{ return ToString(); }
		public virtual string GetPDName()
		{ return ToString(); }
		public virtual string GetPDDescription()
		{ return ToString(); }
		public virtual string GetPDCategory()
		{ return ToString(); }
		public XmlNodeList SelectNodes(string path)
		{
			return vlnFormatDocument.LookupNodes(_XmlNode, path);
		}
		public XmlNode SelectSingleNode(string path)
		{
			//AdjustLookup(_XmlNode, path);
			//if(path.Contains("Font")) Console.WriteLine("vlnFormatItem.SelectSingleNode {0},{1}", _XmlNode.Name == "Step" ? "Step." + _XmlNode.Attributes["Type"].Value : _XmlNode.Name, path);
			return vlnFormatDocument.LookupSingleNode(_XmlNode, path);
		}
		//public static string _LookUpNode;
		//private static void AdjustLookup(XmlNode xmlNode,string path)
		//{
		//  if (xmlNode.Name == "Step")
		//  {
		//    XmlAttribute attr = xmlNode.Attributes["Type"];
		//    if (attr != null) _LookUpNode = attr.Value;
		//    //Console.WriteLine("AdjustLookup Type = {0}/{1}", _LookUpNode, path);
		//  }
		//  else
		//  {
		//    //Console.WriteLine("AdjustLookup {0}", xmlNode.Name);
		//  }
		//}
		public XmlNode SelectSingleFontNode(string path)
		{
			return vlnFormatDocument.LookupSingleFontNode(_XmlNode, path);
		}
		public string Lookup(string path)
		{
			return vlnFormatDocument.Lookup(_XmlNode, path);
		}
		public string Lookup(string path, ref string local)
		{
			return (local != null? local : local = Lookup(path));
		}
		//public string StepLookup(string path)
		//{
		//    return vlnFormatDocument.StepLookup(_XmlNode, path);
		//}
		public int? IntLookup(string path)
		{
			return vlnFormatDocument.IntLookup(_XmlNode, path);
		}
		public int? IntLookup(string path, ref int? local)
		{
			return (local != null ? local : local = IntLookup(path));
		}
		public T EnumLookup<T>(string path)
		{
			return vlnFormatDocument.EnumLookup<T>(_XmlNode, path);
		}
		public bool LazyLoad(ref LazyLoad<bool> ll, string xPath)
		{
			if (ll == null)
			{
				XmlNode xn = SelectSingleNode(xPath);
				ll = new LazyLoad<bool>(RetrieveBool(xn));
			}
			return ll.Value;
		}
		protected static bool RetrieveBool(XmlNode xn)
		{
			return xn != null && xn.InnerText.ToUpper() == "TRUE";
		}
		// a LaxyLoad that allows you to pass in the default setting
		public bool LazyLoad(ref LazyLoad<bool> ll, string xPath, bool defaultReturn)
		{
			if (ll == null)
			{
				XmlNode xn = SelectSingleNode(xPath);
				ll = new LazyLoad<bool>(RetrieveBool(xn, defaultReturn));
			}
			return ll.Value;
		}
		// if nothing is set for this node, then use the passed in default value
		protected static bool RetrieveBool(XmlNode xn, bool defaultReturn)
		{
			return (xn != null) ? xn.InnerText.ToUpper() == "TRUE" : defaultReturn;
		}
		public string LazyLoad(ref LazyLoad<string> ll, string xPath)
		{
			if (ll == null)
			{
				XmlNode xn = SelectSingleNode(xPath);
				ll = new LazyLoad<string>(RetrieveString(xn));
			}
			return ll.Value;
		}
		protected static string RetrieveString(XmlNode xn)
		{
			return xn != null ? xn.InnerText : null;
		}
		public string MyPath
		{
			get
			{
				StringBuilder sb = new StringBuilder();
				XmlNode node = _XmlNode;
				string prefix = "";
				while (node != null)
				{
					sb.Insert(0, node.Name + prefix);
					prefix = "/";
					node = node.ParentNode;
				}
				return sb.ToString();
			}
		}
		public int? LazyLoad(ref LazyLoad<int?> ll, string xPath)
		{
			if (ll == null)
			{
				XmlNode xn = SelectSingleNode(xPath);
				ll = new LazyLoad<int?>(RetrieveInt(xPath, xn));
			}
			return ll.Value;
		}
		public float? LazyLoad(ref LazyLoad<float?> ll, string xPath)
		{
			if (ll == null)
			{
				XmlNode xn = SelectSingleNode(xPath);
				ll = new LazyLoad<float?>(RetrieveFloat(xPath, xn));
			}
			return ll.Value;
		}
		protected int? RetrieveInt(string xPath, XmlNode xn)
		{
			int? value = null;
			if (xn != null)
			{
				int iValue = 0;
				if (!int.TryParse(xn.InnerText, out iValue))
				{
					if (xn.InnerText == "") return null;
					Console.WriteLine(string.Format("'{0}'\r\n'{1}'\r\n'{2}' could not be converted to int?", MyFormat.FullName, MyPath + "/" + xPath, xn.InnerText));
					throw (new Exception(string.Format("{0} = '{1}' could not be converted to int?", xPath, xn.InnerText)));
				}
				value = iValue;
			}
			return value;
		}
		protected float? RetrieveFloat(string xPath, XmlNode xn)
		{
			float? value = null;
			if (xn != null)
			{
				float fValue = 0;
				if (!float.TryParse(xn.InnerText, out fValue))
				{
					Console.WriteLine(string.Format("'{0}'\r\n'{1}'\r\n'{2}' could not be converted to float?", MyFormat.FullName, MyPath + "/" + xPath, xn.InnerText));
					throw (new Exception(string.Format("{0} = '{1}' could not be converted to float?", xPath, xn.InnerText)));
				}
				value = fValue;
			}
			return value;
		}
		public Nullable<T> LazyLoad<T>(ref LazyLoad<Nullable<T>> ll, string xPath)
			where T:struct
		{
			if (ll == null)
			{
				XmlNode xn = this._XmlNode;
				xn = SelectSingleNode(xPath);
				if (xn == null)
					ll = new LazyLoad<T?>(null);
				else if (xn.Value == "")// No value specified - Use zero value if it is defined - GetName returns a null if it is not defined
					ll = new LazyLoad<Nullable<T>>(Enum.GetName(typeof(T), 0) != null ? (Nullable<T>) Enum.Parse(typeof(T), "0") : null);
				else
					try
					{
						ll = new LazyLoad<Nullable<T>>((Nullable<T>)Enum.Parse(typeof(T), xn.InnerText));
					}
					catch (Exception ex)
					{
						Console.WriteLine("{0} - '{1}'", ex.Message, xn.InnerText);
						ll = new LazyLoad<T?>(null);
					}
			}
			return ll.Value;
		}
	}
	#endregion
	#region IVlnIndexedFormatItem
	public partial interface IVlnIndexedFormatItem
	{
		int? Index { get; }
	}
	#endregion
	#region IVlnNamedFormatItem
	public partial interface IVlnNamedFormatItem
	{
		string Name { get; }
		bool Inherited { get; }
	}
	#endregion
	#region LazyLoad
	public class LazyLoad<T>
	{
		public LazyLoad(T value)
		{
			_Value = value;
		}
		private T _Value;
		public T Value
		{
			get { return _Value; }
			set { _Value = value; }
		}
	}
	#endregion
	#region vlnFormatList, new()
	public class vlnFormatList<T> : List<T>, ICustomTypeDescriptor
		where T : vlnFormatItem, new()
	{
		private XmlNodeList _XmlNodeList=null;
		internal XmlNodeList XmlNodeList
		{
			get { return _XmlNodeList; }
			set 
			{
				_XmlNodeList = value; 
				foreach (XmlNode xn in _XmlNodeList)
				{
					T tt = new T();
					tt.XmlNode = xn;
					Add(tt);
				}
			}
		}
		public vlnFormatList(XmlNodeList xmlNodeList)
		{
			if (xmlNodeList == null) return;
			XmlNodeList = xmlNodeList;
		}
		public vlnFormatList()
		{
		}
		private IFormatOrFormatInfo _MyFormat;
		public IFormatOrFormatInfo MyFormat
		{
			get
			{
				if (_MyFormat == null)
				{
					XmlNode node = _XmlNodeList[0]; // Get the first node in a list
					vlnFormatDocument doc = null;
					if (node != null) 
						doc = (node.OwnerDocument) as vlnFormatDocument; // Get the owner document as a vlnFormatDocument
					if (doc != null)
						_MyFormat = doc.MyFormat; // Get the Format associated with the vlnFormatDocument
				}
				return _MyFormat;
			}
			set
			{
				_MyFormat = value;
			}
		}
		#region ICustomTypeDescriptor
		public String GetClassName()
		{ return TypeDescriptor.GetClassName(this, true); }
		public AttributeCollection GetAttributes()
		{ return TypeDescriptor.GetAttributes(this, true); }
		public String GetComponentName()
		{ return TypeDescriptor.GetComponentName(this, true); }
		public TypeConverter GetConverter()
		{ return TypeDescriptor.GetConverter(this, true); }
		public EventDescriptor GetDefaultEvent()
		{ return TypeDescriptor.GetDefaultEvent(this, true); }
		public PropertyDescriptor GetDefaultProperty()
		{ return TypeDescriptor.GetDefaultProperty(this, true); }
		public object GetEditor(Type editorBaseType)
		{ return TypeDescriptor.GetEditor(this, editorBaseType, true); }
		public EventDescriptorCollection GetEvents(Attribute[] attributes)
		{ return TypeDescriptor.GetEvents(this, attributes, true); }
		public EventDescriptorCollection GetEvents()
		{ return TypeDescriptor.GetEvents(this, true); }
		public object GetPropertyOwner(PropertyDescriptor pd)
		{ return this; }
		public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
		{ return GetProperties(); }
		public virtual PropertyDescriptorCollection GetProperties()
		{
			// Create a collection object to hold property descriptors
			PropertyDescriptorCollection pds = new PropertyDescriptorCollection(null);
			// Iterate the list 
			int i = 0;
			for (i = 0; i < this.Count; i++)
			{
				// Create a property descriptor for the item and add to the property descriptor collection
				pds.Add(new vlnPropertyDescriptor<vlnFormatList<T>, T>(this, i));
			}
			// return the property descriptor collection
			return pds;
		}
		#endregion
	}
	#endregion
	#region vlnIndexedFormatList
	public class vlnIndexedFormatList<T> : vlnFormatList<T>, ICustomTypeDescriptor
		where T : vlnFormatItem,IVlnIndexedFormatItem, new()
	{
		public vlnIndexedFormatList(XmlNodeList xmlNodeList,IFormatOrFormatInfo myFormat) : base(xmlNodeList) 
		{
			MyFormat = myFormat;
		}
		public vlnIndexedFormatList() : base() { }
		public virtual vlnIndexedFormatList<T> InheritedList { get { return null; } }
		public new T this[int index]
		{
			get
			{
				foreach (T tmp in this)
				{
					if (tmp.Index == index)
						return tmp;
				}
				vlnIndexedFormatList<T> ttlParent = InheritedList; //Check Inherited Value
				if (ttlParent != null)
					return ttlParent[index];
				return null;
				// None found - Can I find it in another format?
				return null;
			}
		}
		public int MaxIndex
		{
			get
			{
				int max = base.Count;
				foreach (T tmp in this)
				{
					if (tmp.Index >= max)
						max = ((int)tmp.Index) + 1;
				}
				vlnIndexedFormatList<T> parent = InheritedList; //Check Inherited Value
				if (parent != null)
				{
					int max2 = parent.MaxIndex;
					if (max2 > max)
						return max2;
				}
				return max;
			}
		}
		public int MaxIndexNoInherit
		{
			get
			{
				int max = base.Count;
				foreach (T tmp in this)
				{
					if (tmp.Index >= max)
						max = ((int)tmp.Index) + 1;
				}
				return max;
			}
		}
		#region ICustomTypeDescriptor
		public String GetClassName()
		{ return TypeDescriptor.GetClassName(this, true); }
		public AttributeCollection GetAttributes()
		{ return TypeDescriptor.GetAttributes(this, true); }
		public String GetComponentName()
		{ return TypeDescriptor.GetComponentName(this, true); }
		public TypeConverter GetConverter()
		{ return TypeDescriptor.GetConverter(this, true); }
		public EventDescriptor GetDefaultEvent()
		{ return TypeDescriptor.GetDefaultEvent(this, true); }
		public PropertyDescriptor GetDefaultProperty()
		{ return TypeDescriptor.GetDefaultProperty(this, true); }
		public object GetEditor(Type editorBaseType)
		{ return TypeDescriptor.GetEditor(this, editorBaseType, true); }
		public EventDescriptorCollection GetEvents(Attribute[] attributes)
		{ return TypeDescriptor.GetEvents(this, attributes, true); }
		public EventDescriptorCollection GetEvents()
		{ return TypeDescriptor.GetEvents(this, true); }
		public object GetPropertyOwner(PropertyDescriptor pd)
		{ return this; }
		public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
		{ return GetProperties(); }
		public virtual PropertyDescriptorCollection GetProperties()
		{
			// Create a collection object to hold property descriptors
			PropertyDescriptorCollection pds = new PropertyDescriptorCollection(null);
			// Iterate the list 
			int i = 0;
			for (i = 0; i < this.Count; i++)
			{
				// Create a property descriptor for the item and add to the property descriptor collection
				pds.Add(new vlnPropertyDescriptor<vlnFormatList<T>, T>(this, i));
			}
			// return the property descriptor collection
			return pds;
		}
		#endregion
	}
	#endregion
	#region vlnNamedFormatList
	public class vlnNamedFormatList<T> : vlnFormatList<T>, ICustomTypeDescriptor
		where T : vlnFormatItem, IVlnNamedFormatItem, new()
	{
		public vlnNamedFormatList(XmlNodeList xmlNodeList, IFormatOrFormatInfo myFormat)
			: base(xmlNodeList)
		{
			MyFormat = myFormat;
		}
		public vlnNamedFormatList() : base() { }
		public virtual vlnNamedFormatList<T> InheritedList { get { return null; } }
		public new T this[string name]
		{
			get
			{
				foreach (T tmp in this)
				{
					if (tmp.Name == name)
						return tmp;
				}
				vlnNamedFormatList<T> ttlParent = InheritedList; //Check Inherited Value
				if (ttlParent != null)
					return ttlParent[name];
				return null;
				// None found - Can I find it in another format?
				return null;
			}
		}
		public new T this[int index]
		{
			get
			{
				if(base.Count > index)
					return base[index];
				vlnNamedFormatList<T> ttlParent = InheritedList; //Check Inherited Value
				if (ttlParent != null)
					return ttlParent[index];
				return null;
				// None found - Can I find it in another format?
				return null;
			}
		}
		public new int Count
		{
			get
			{
				return base.Count;
			}
		}
		#region ICustomTypeDescriptor
		public String GetClassName()
		{ return TypeDescriptor.GetClassName(this, true); }
		public AttributeCollection GetAttributes()
		{ return TypeDescriptor.GetAttributes(this, true); }
		public String GetComponentName()
		{ return TypeDescriptor.GetComponentName(this, true); }
		public TypeConverter GetConverter()
		{ return TypeDescriptor.GetConverter(this, true); }
		public EventDescriptor GetDefaultEvent()
		{ return TypeDescriptor.GetDefaultEvent(this, true); }
		public PropertyDescriptor GetDefaultProperty()
		{ return TypeDescriptor.GetDefaultProperty(this, true); }
		public object GetEditor(Type editorBaseType)
		{ return TypeDescriptor.GetEditor(this, editorBaseType, true); }
		public EventDescriptorCollection GetEvents(Attribute[] attributes)
		{ return TypeDescriptor.GetEvents(this, attributes, true); }
		public EventDescriptorCollection GetEvents()
		{ return TypeDescriptor.GetEvents(this, true); }
		public object GetPropertyOwner(PropertyDescriptor pd)
		{ return this; }
		public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
		{ return GetProperties(); }
		public virtual PropertyDescriptorCollection GetProperties()
		{
			// Create a collection object to hold property descriptors
			PropertyDescriptorCollection pds = new PropertyDescriptorCollection(null);
			// Iterate the list 
			int i = 0;
			for (i = 0; i < this.Count; i++)
			{
				// Create a property descriptor for the item and add to the property descriptor collection
				pds.Add(new vlnPropertyDescriptor<vlnFormatList<T>, T>(this, i));
			}
			// return the property descriptor collection
			return pds;
		}
		#endregion
	}
	#endregion
	#region vlnListConverter
	internal class vlnListConverter<T, C> : ExpandableObjectConverter
		where T : vlnFormatList<C>
		where C : vlnFormatItem, new()
	{
		private string Plural(string name)
		{
			if (name.EndsWith("y")) return name.Substring(0, name.Length - 1) + "ies";
			if (name.EndsWith("ss")) return name + "es";
			else return name + "s";
		}
		public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
		{
			if (destType == typeof(string) && value is T)
			{
				// Return department and department role separated by comma.
				return ((T)value).Count.ToString() + " " + (((T)value).Count == 1 ? typeof(C).Name : Plural(typeof(C).Name));
			}
			return base.ConvertTo(context, culture, value, destType);
		}
	}
	#endregion
	#region vlnIndexedListConverter
	internal class vlnIndexedListConverter<T, C> : ExpandableObjectConverter
		where T : vlnIndexedFormatList<C>
		where C : vlnFormatItem,IVlnIndexedFormatItem, new()
	{
		private string Plural(string name)
		{
			if (name.EndsWith("y")) return name.Substring(0, name.Length - 1) + "ies";
			if (name.EndsWith("ss")) return name + "es";
			if (name.EndsWith("x")) return name + "es";
			else return name + "s";
		}
		public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
		{
			if (destType == typeof(string) && value is T)
			{
				// Return department and department role separated by comma.
				return ((T)value).MaxIndex.ToString() + " " + (((T)value).MaxIndex == 1 ? typeof(C).Name : Plural(typeof(C).Name));
			}
			return base.ConvertTo(context, culture, value, destType);
		}
	}
	#endregion
	#region vlnPropertyDescriptor
	public class vlnPropertyDescriptor<T, C> : PropertyDescriptor
		where T : vlnFormatList<C>
		where C : vlnFormatItem, new()
	{
		protected C _Item = null;
		public vlnPropertyDescriptor(T itemList, int index)
			: base("#" + index.ToString(), null)
		{
			_Item = itemList[index];
		}
		public override bool CanResetValue(object component)
		{ return true; }
		public override Type ComponentType
		{ get { return _Item.GetType(); } }
		public override object GetValue(object component)
		{ return _Item; }
		public override bool IsReadOnly
		{ get { return true; } }
		public override Type PropertyType
		{ get { return _Item.GetType(); } }
		public override void ResetValue(object component)
		{ ;}
		public override bool ShouldSerializeValue(object component)
		{ return true; }
		public override void SetValue(object component, object value)
		{ /*_Item = value*/;}
		//public override AttributeCollection Attributes
		//{ get { return new AttributeCollection(null); } }
		public override string DisplayName
		{ get { return _Item.GetPDDisplayName(); } }
		public override string Description
		{ get { return _Item.GetPDDescription(); } }
		public override string Name
		{ get { return _Item.GetPDName(); } }
		public override string Category
		{ get { return _Item.GetPDCategory(); } }
	} // Class
	#endregion
}