using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DrawGraph;
using System.Drawing;

namespace DrawGraph
{
    public class SelectedAreaObj : EventObj
    {
        //以下两个是物理点
        private PhysioData startPD = null;
        private PhysioData endPd = null;
        private List<PhysioData> startPDs = null;
        private List<PhysioData> endPds = null;
        //以下两个是控件上的点
        private PointF startPoint = new PointF();
        private PointF endPoint = new PointF();

        private float width = 0;
        private float height = 0;
        private string tagName = TextPrefix.BT.ToString();
        private bool selected = false;

        /// <summary>
        /// 选中框是否在选中状态
        /// </summary>
        public bool Selected
        {
            get { return selected; }
            set { selected = value; }
        }

        /// <summary>
        /// 设置开始的物理点
        /// </summary>
        public PhysioData StartPD
        {
            get { return startPD; }
            set
            {
                startPD = value;
                startPoint.X = (float)(getXPositinByXDate(startPD.RecordTime));
                startPoint.Y = (float)(getYPositinByValue(startPD.Y, 240, 200, 20));
            }
        }
        /// <summary>
        /// 设置结束的物理点
        /// </summary>
        public PhysioData EndPd
        {
            get { return endPd; }
            set
            {
                endPd = value;
                endPoint.X = (float)(getXPositinByXDate(endPd.RecordTime));
                endPoint.Y = (float)(getYPositinByValue(endPd.Y, 240, 200, 20));
                width = endPoint.X - startPoint.X;
                height = endPoint.Y - startPoint.Y;
            }
        }
        /// <summary>
        /// 设置开始的物理点
        /// </summary>
        public List<PhysioData> StartPDs
        {
            get { return startPDs; }
            set { startPDs = value; }
        }
        /// <summary>
        /// 设置结束的物理点
        /// </summary>
        public List<PhysioData> EndPds
        {
            get { return endPds; }
            set { endPds = value; }
        }

        private static volatile SelectedAreaObj instance;

        private SelectedAreaObj()
        {
            tagName += this.GetType().FullName.ToString();
        }

        public static SelectedAreaObj GetInstance()
        {
            if (null == instance)
            {
                instance = new SelectedAreaObj();
            }
            return instance;
        }

        public void Draw()
        {
            if (zgcAnas == null)
            {
                //MessageBox.Show("未传递窗体或传递的不是麻醉单窗体");
                return;
            }
            //画之前行清空对象
            Clear();
            if (startPD != null && endPd != null)
            {
                //只能正着画;
                if (endPoint.X <= startPoint.X || endPoint.Y <= startPoint.Y) return;

                BoxObj box = new BoxObj(startPoint.X, startPoint.Y, width, height);
                box.Tag = tagName;
                box.Location.CoordinateFrame = CoordType.PaneFraction;
                box.Border.IsVisible = true;
                box.Border.Color = Color.Black;
                box.Border.Width = 1;
                box.Fill.IsVisible = false;
                box.ZOrder = ZOrder.A_InFront;
                ZUtil.DrawBox(box, zgcAnas);
                selected = true;
            }
        }

        public void Clear()
        {
            selected = false;
            delLineObj(tagName);
        }
    }
}