using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using VEPROMS.CSLA.Library;

namespace Volian.Print.Library
{
	public class CPSGen
	{
		private vlnParagraph _MyVlnParagraph;
		public vlnParagraph MyVlnParagraph
		{
			get { return _MyVlnParagraph; }
			set { _MyVlnParagraph = value; }
		}
		public CPSGen(vlnParagraph myParagraph)
		{
			_MyVlnParagraph = myParagraph;
		}
		public void Generate(string fileName)
		{
			XmlDocument xd = new XmlDocument();
			XmlElement parent =  xd.AppendChild(xd.CreateElement("Items")) as XmlElement;
			Generate(0, 0,parent, MyVlnParagraph);
			xd.Save(fileName);
		}
		public void Generate(int level,int fromType,XmlElement parent, vlnParagraph para)
		{
			ItemInfo itm = para.MyItemInfo;
			XmlElement xe = parent.AppendChild(parent.OwnerDocument.CreateElement("Item")) as XmlElement;
			AddAttribute(xe, "Level", level);
			AddAttribute(xe, "FromType", fromType);
			AddAttribute(xe, "Ordinal", itm.Ordinal);
			AddAttribute(xe, "ParentID", (itm.ActiveParent as ItemInfo).ItemID);
			//AddAttribute(xe, "Xoffset", para.XOffset);
			AddAttribute(xe, "ItemID", itm.ItemID);
			AddAttribute(xe, "PreviousID", itm.PreviousID);
			AddAttribute(xe, "ContentID", itm.ContentID);
			AddAttribute(xe, "DTS", itm.MyContent.DTS);
			AddAttribute(xe, "UserID", itm.MyContent.UserID);
			AddAttribute(xe, "Number", itm.MyContent.Number);
			AddAttribute(xe, "Text", itm.MyContent.Text);
			AddAttribute(xe, "Type", itm.MyContent.Type);
			AddAttribute(xe, "FormatID", itm.MyContent.FormatID);
			AddAttribute(xe, "Config", itm.MyContent.Config);
			AddAttribute(xe, "Rtf", para.Rtf);
			//AddParts(xe, "PartsAbove", para.PartsAbove);
			//AddParts(xe, "PartsLeft", para.PartsLeft);
			//AddParts(xe, "PartsRight", para.PartsRight);
			//AddParts(xe, "PartsBelow", para.PartsBelow);
			AddChildren(level,0,  parent, "ChildrenAbove", para.ChildrenAbove);
			AddChildren(level,0,  parent,  "ChildrenLeft", para.ChildrenLeft);
			AddChildren(level,0,  parent,  "ChildrenRight", para.ChildrenRight);
			AddChildren(level,0,  parent,  "ChildrenBelow", para.ChildrenBelow);
		}
		private void AddChildren(int level, int fromType, XmlElement parent, string name, vlnParagraphs children)
		{
			if (children == null || children.Count == 0) return;
			//XmlElement xchildren = xe.OwnerDocument.AppendChild(xe.OwnerDocument.CreateElement(name)) as XmlElement;
			foreach(vlnParagraph child in children)
			{
				//XmlElement xechild = xe.ParentNode.AppendChild(xe.OwnerDocument.CreateElement("Item")) as XmlElement;
				Generate(level+1,0,parent,child);
			}
		}
		//private void AddParts(XmlElement xe, string name, vlnPrintObjects parts)
		//{
		//	if (parts == null || parts.Count == 0) return;
		//	XmlElement xpart = xe.AppendChild(xe.OwnerDocument.CreateElement(name)) as XmlElement;
		//	foreach (vlnPrintObject part in parts)
		//	{
		//		XmlElement xechild = xpart.AppendChild(xe.OwnerDocument.CreateElement(part.GetType().Name)) as XmlElement;
		//		Generate(xechild, part);
		//	}
		//}
		//private void Generate(XmlElement xe, vlnPrintObject part)
		//{
		//	AddAttribute(xe, "Xoffset", part.XOffset);
		//	AddAttribute(xe, "Width", part.Width);
		//	AddAttribute(xe, "Rtf", part.Rtf);			
		//}
		private void AddAttribute(XmlElement xe, string attr, object val)
		{
			if (val == null) return;
			XmlAttribute xa = xe.OwnerDocument.CreateAttribute(attr);
			xa.Value = val.ToString();
			xe.Attributes.Append(xa);
		}
	}
}