using System;
using System.Collections.Generic;
using System.Drawing;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;


namespace SdiAppSimple
{
	/// <summary>
	/// Summary description for Doc1.
	/// </summary>
	public class Doc1 : SdiTemplate.SdiDoc
	{
		private List<Point> ptList;
        private Color backColor = Color.White;

		public Doc1()
		{
			ptList = new List<Point>();
		}

		public void Add(Point pt) 
		{
			ptList.Add(pt);
			UpdateAllViews(null);
		}

		public List<Point> GetPoints() 
		{
			return ptList;
		}

		public override void DeleteContents()
		{
			ptList.Clear();
			base.DeleteContents ();
		}

        private IFormatter GetFormatter()
        {
            return new BinaryFormatter();
        }

        public void Serialize()
        {
            using (Stream stream = new FileStream("data.save", FileMode.Create))
            {
                IFormatter formatter = GetFormatter();
                formatter.Serialize(stream, ptList);
                formatter.Serialize(stream, backColor);
                stream.Close();
            }
        }

        public void Deserialize()
        {
            using (Stream stream = new FileStream("data.save", FileMode.Open))
            {
                IFormatter formatter = GetFormatter();
                ptList = (List<Point>)formatter.Deserialize(stream);
                backColor = (Color)formatter.Deserialize(stream);
                stream.Close();
                UpdateAllViews(null);
            }
        }

        public Color BackColor
        {
            get { return backColor; }
            set 
            {
                backColor = value;
                UpdateAllViews(null);
            }
        }

	}
}