using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using GrxCAD.ApplicationServices;
using GrxCAD.DatabaseServices;
using GrxCAD.EditorInput;


namespace HCTools
{
    class Hierarchy
    {
        public static int gap;//等高距
        public static string CrtLayerName;//当前等高线所在图层
   
        /// <summary>
        /// 等高线分层
        /// </summary>
        public void hierarchy()
        {
            ObjectId[] ids = BasicFunction.getHeight(CrtLayerName);//存放获取的等高线id

            //检查是否有计曲线图层，没有则创建
            LayerControl layerscontrol = new LayerControl();
            string Jilayname = "8120";
            if (!layerscontrol.haslayername(Jilayname))
            {
                colorgb col = new colorgb(255, 255, 0);
                layerscontrol.creatlayer(Jilayname, col);
                layerscontrol.movelayertofront(Jilayname);
            }
            else
                layerscontrol.movelayertofront(Jilayname);

            //检查是否有首曲线图层，没有则创建
            LayerControl layerscontrol1 = new LayerControl();
            string Shoulayname = "8110";
            if (!layerscontrol1.haslayername(Shoulayname))
            {
                colorgb col = new colorgb(0, 0, 0);
                layerscontrol1.creatlayer(Shoulayname, col);
                layerscontrol1.movelayertofront(Shoulayname);
            }
            else
                layerscontrol1.movelayertofront(Shoulayname);


            if (ids == null)
                return;

            for (int i = 0; i < ids.Length; i++)
            {
                Polyline pll = BasicFunction.GetDBObject(ids[i]) as Polyline;
                if (Math.Round(pll.Elevation, 7, MidpointRounding.AwayFromZero) % (gap * 5) == 0 && pll.Layer != "8120")
                {
                    ChangeLayer(pll.Id, Jilayname);
                }
                if (Math.Round(pll.Elevation, 7, MidpointRounding.AwayFromZero) % (gap * 5) != 0 && pll.Layer != "8110")
                {
                    ChangeLayer(pll.Id, Shoulayname);
                }
                else
                    continue;
            }
        }

        


        /// <summary>
        /// 将计曲线移动到相应图层
        /// </summary>
        private void ChangeLayer(ObjectId c1Id, string LayerName)
        {
            Database db = HostApplicationServices.WorkingDatabase;
            DocumentLock doclock = GrxCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();
            using (Transaction trans = db.TransactionManager.StartTransaction())
            {
                BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);
                BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
                Entity ent1 = (Entity)c1Id.GetObject(OpenMode.ForWrite);
                ent1.Layer = LayerName;
                trans.Commit();
            }
            doclock.Dispose();
        }
    }
}