This is what i have so far.
I'm new at .net so i don't know if it's clean code.
type "Monitor" to start
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Geometry;
using System.Collections.Generic;
using System.Collections;
using System;
using System.Reflection;
using Microsoft.VisualBasic;
[assembly: CommandClass(typeof(SmartCounter1.Monitor))]
[assembly: CommandClass(typeof(SmartCounter1.Areas))]
namespace SmartCounter1
{
public class Monitor
{
[CommandMethod("Monitor")] // command to start
// is there a Area definded
public void MonitorMain()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Areas area = new Areas();
if (area.HasArea())// if true then go ,else define area first.
{
ed.WriteMessage("\narea's are ok");
Areas.StartMonitor();
}
else
{
//define area
ed.WriteMessage("\narea's are not ok");
ed.WriteMessage("\ndefine Area's first");
Areas.StopMonitor();
}
}
}
public class colPolypoints
{
public Point2d colPLpoint { get; set; }
public static List<colPolypoints> colPolylist = new List<colPolypoints>();
public static void AddcolPolypoints(Point2d _PLpoint)
{
colPolylist.Add(new colPolypoints {colPLpoint = _PLpoint });
}
public static void clearcolPolylist()
{
colPolylist.Clear();
}
}
public class Polypoints
{
public string PLname { get; set; }
public int PLpointnr { get; set; }
public Point2d PLpoint { get; set; }
public static List<Polypoints> Polylist = new List<Polypoints>();
public static void AddPolypoints(string _PLname, int _PLpointnr, Point2d _PLpoint)
{
Polylist.Add(new Polypoints { PLname = _PLname, PLpointnr = _PLpointnr, PLpoint = _PLpoint });
}
}
public class Areas : Polypoints
{
private static readonly List<string> _AreaList = new List<string>();
public static IEnumerable<string> AreaList { get { return _AreaList; } }
public static string MyZone { get; set; }
public static string ActiveZone { get; set; }
public bool HasArea()
{
GetAreaList();
if (_AreaList.Count != 0)
{
return true;
}
else
{
return false;
}
}
public static int countarea()
{
int areacount = _AreaList.Count;
return areacount;
}
internal static string getitem(int i)
{
string areaname = _AreaList[i];
return areaname;
}
internal static List<colPolypoints> PLpoints(string Name)
{
List<colPolypoints> _PLpoints = new List<colPolypoints>();
colPolypoints.clearcolPolylist();
foreach (Polypoints point in Polypoints.Polylist)
{
if (point.PLname == Name)
{
var _Pointnr = point.PLpointnr;
var _Point = point.PLpoint;
colPolypoints.AddcolPolypoints(_Point);
}
_PLpoints = colPolypoints.colPolylist;
}
return _PLpoints;
}
[CommandMethod("GetAreaList")]
public void GetAreaList()
{
_AreaList.Clear();
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Database db = HostApplicationServices.WorkingDatabase;
Transaction tr = db.TransactionManager.StartTransaction();
using (tr)
{
try
{
TypedValue[] filList = new TypedValue[1] { new TypedValue((int)DxfCode.Start, "LWPOLYLINE") };
SelectionFilter filter = new SelectionFilter(filList);
PromptSelectionResult selRes = ed.SelectAll(filter);
if (selRes.Status != PromptStatus.OK && selRes.Value.Count == 0)
{
ed.WriteMessage("\nerror in getting the selectAll");
return;
}
foreach (SelectedObject o in selRes.Value)
{
DBObject pol = tr.GetObject(o.ObjectId, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead);
ResultBuffer rb = pol.XData;
if (rb != null)
{
foreach (TypedValue tv in rb)
{
if (tv.TypeCode == 1000)
{
Areas.MyZone = tv.Value.ToString();
_AreaList.Add(tv.Value.ToString());
ed.WriteMessage(" \nZone :{0}", Areas.MyZone);
}
}
Polyline Pl = pol as Polyline;
int vn = Pl.NumberOfVertices;
for (int i = 0; i < vn; i++)
{
Point2d pt = Pl.GetPoint2dAt(i);
Polypoints.AddPolypoints(Areas.MyZone, i, pt);
}
rb.Dispose();
}
}
}
catch
{
ed.WriteMessage("error in GetAreaList");
}
tr.Commit();
}
}
[CommandMethod("DefineA")]
static public void SetAreaXData()
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Editor ed = doc.Editor;
// Ask the user to select an entity for which to set XData
string myValue = Interaction.InputBox("Enter Area Name.", "Area", string.Empty, -1, -1);
if (myValue == "")
{
// to do
}
else
{
// To Do check if value exist
PromptEntityOptions opt = new PromptEntityOptions("\nSelect Area(Closed polyline): ");
PromptEntityResult res = ed.GetEntity(opt);
if (res.Status == PromptStatus.OK)
{
Transaction tr = doc.TransactionManager.StartTransaction();
using (tr)
{
DBObject obj = tr.GetObject(res.ObjectId, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForWrite);
AddRegAppTableRecord("Areas");
ResultBuffer rb = new ResultBuffer(new TypedValue(1001, "Areas"), new TypedValue(1000, myValue));
obj.XData = rb;
rb.Dispose();
tr.Commit();
}
}
}
}
static void AddRegAppTableRecord(string regAppName)
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Editor ed = doc.Editor;
Database db = doc.Database;
Transaction tr = doc.TransactionManager.StartTransaction();
using (tr)
{
RegAppTable rat = (RegAppTable)tr.GetObject(db.RegAppTableId, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead, false);
if (!rat.Has(regAppName))
{
rat.UpgradeOpen();
RegAppTableRecord ratr = new RegAppTableRecord();
ratr.Name = regAppName;
rat.Add(ratr);
tr.AddNewlyCreatedDBObject(ratr, true);
}
tr.Commit();
}
}
public static bool IsPointInPolygon(List<colPolypoints> poly, Point2d point)
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
bool isInside = false;
try
{
for (int i = 0, j = poly.Count - 1; i < poly.Count; j = i++)
{
if (((poly[i].colPLpoint.Y > point.Y) != (poly[j].colPLpoint.Y > point.Y)) && (point.X < (poly[j].colPLpoint.X - poly[i].colPLpoint.X) * (point.Y - poly[i].colPLpoint.Y) / (poly[j].colPLpoint.Y - poly[i].colPLpoint.Y) + poly[i].colPLpoint.X))
{
isInside = !isInside;
}
}
}
catch
{
ed.WriteMessage("error in calcul");
}
return isInside;
}
[CommandMethod("SM")]
public static void StartMonitor()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
ed.PointMonitor += new PointMonitorEventHandler(ed_PointMonitor);
}
[CommandMethod("XM")]
public static void StopMonitor()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
ed.TurnForcedPickOn();
ed.PointMonitor -= new PointMonitorEventHandler(ed_PointMonitor);
// if zone Highlighted turn off
HighlightPoly("off");
}
static void ed_PointMonitor(object sender, PointMonitorEventArgs e)
{
Editor ed1 = Application.DocumentManager.MdiActiveDocument.Editor;
Areas.ActiveZone = "";
try
{
Editor ed = (Editor)sender;
Document doc = ed.Document;
Database db = HostApplicationServices.WorkingDatabase;
Point3d mouse = e.Context.ComputedPoint;
double mouseX = mouse.X;
double mouseY = mouse.Y;
Point2d Mpoint = new Point2d(mouseX, mouseY);
// controle if point is in area's
//count off areas
int areacount = Areas.countarea();
for (int i = 0; i < areacount; i++)
{
string AreaName = Areas.getitem(i);
// make array of polyline
List<colPolypoints> PLLinePoints = new List<colPolypoints>();
PLLinePoints = Areas.PLpoints(AreaName);
if (Areas.IsPointInPolygon(PLLinePoints, Mpoint))
{
Areas.ActiveZone = AreaName;
}
}
}
catch
{
ed1.WriteMessage("\nerror in SM");
}
ed1.WriteMessage("\nActif Zone : {0}", Areas.ActiveZone);
HighlightPoly(Areas.ActiveZone);
}
//highlight polyline
public static void HighlightPoly(string area)
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
TypedValue[] filListA = new TypedValue[1]
{
new TypedValue((int)DxfCode.ExtendedDataAsciiString,area)
};
TypedValue[] filListB = new TypedValue[1]
{
new TypedValue((int)DxfCode.ExtendedDataRegAppName,"Areas")
};
SelectionFilter filterA = new SelectionFilter(filListA);
PromptSelectionResult perA = ed.SelectAll(filterA);
SelectionFilter filterB = new SelectionFilter(filListB);
PromptSelectionResult perB = ed.SelectAll(filterB);
if (perB.Status == PromptStatus.OK)
{
using (Transaction Tx = db.TransactionManager.StartTransaction())
{
foreach (SelectedObject o in perB.Value)
{
Polyline pline = Tx.GetObject(o.ObjectId, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead) as Polyline;
pline.Unhighlight();
}
Tx.Commit();
}
}
if (perA.Status == PromptStatus.OK)
{
using (Transaction Tx = db.TransactionManager.StartTransaction())
{
foreach (SelectedObject o in perA.Value)
{
Polyline pline = Tx.GetObject(o.ObjectId, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead) as Polyline;
pline.Highlight();
}
Tx.Commit();
}
}
}
}
}
