using GrxCAD.DatabaseServices;
using GrxCAD.Geometry;
using GrxCAD.ApplicationServices;
using GrxCAD.EditorInput;
using System.Windows.Forms;

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

namespace HCTools
{
    class EleRound
    {
        public static string jqx;
        public static string sqx;
        public void eleround()
        {
            Database db = HostApplicationServices.WorkingDatabase;
            Editor ed = GrxCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;

            string lyrname = jqx + "," + sqx;
            //选择要取整等高线
            TypedValue[] value = new TypedValue[]
            {
                new TypedValue((int)DxfCode.LayerName,lyrname),
                new TypedValue((int)DxfCode.Start,"LWPOLYLINE")
            };//设置筛选条件
            SelectionFilter filter = new SelectionFilter(value);//选择区域中全部对象
            //PromptSelectionResult psr = ed.SelectAll(filter);// 要求在图形区域中手动选择对象
            PromptSelectionResult psr = ed.GetSelection(filter);

            if (psr.Status == PromptStatus.OK)
            {
                int elelines = 0;
                SelectionSet ss = psr.Value;
                if (ss == null)
                    return;
                ObjectIdCollection idcoll1 = new ObjectIdCollection(ss.GetObjectIds());
                for (int i = 0; i < idcoll1.Count; i++)
                {
                    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);
                        Polyline pll = (Polyline)idcoll1[i].GetObject(OpenMode.ForWrite);
                        if ((Math.Round(pll.Elevation, 4, MidpointRounding.AwayFromZero) != Math.Truncate((Math.Round(pll.Elevation, 4, MidpointRounding.AwayFromZero)))))
                        {
                            LayerControl layerscontrol = new LayerControl();
                            string layname = "已修改";
                            if (layerscontrol.haslayername(layname) == false)
                            {
                                colorgb col = new colorgb(255, 0, 0);
                                layerscontrol.creatlayer(layname, col);
                            }
                            pll.Elevation = Math.Round(pll.Elevation, 0, MidpointRounding.AwayFromZero);
                            pll.Layer = "已修改";
                            elelines++;
                        }
                        trans.Commit();
                    }
                    doclock.Dispose();
                }
                ed.WriteMessage("\n" + "已修改" + elelines.ToString() + "条高程非整数等高线");
            }
        }
    }
}