using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;

using System;
using System.Collections.Generic;

namespace HYJig
{
    [Regeneration(0)]
    [Transaction(TransactionMode.Manual)]
    public class JigArc : IExternalCommand
    {
        public Result Execute(ExternalCommandData cmdData, ref string message, ElementSet elements)
        {
            UIDocument activeUIDocument = cmdData.Application.ActiveUIDocument;
            ViewAssist.ViewValidating(activeUIDocument.Document, activeUIDocument.ActiveView);
            XArcJig xarcJig = new XArcJig(activeUIDocument);
            XYZ xyz = xarcJig.PickCenterPoint("请确定圆弧中心点：");
            Result result;
            if (xyz == null)
            {
                xarcJig.Dispose();
                result = 0;
            }
            else
            {
                XYZ xyz2 = xarcJig.PickStartPoint(xyz, "请确定圆弧起点：");
                if (xyz2 == null)
                {
                    xarcJig.Dispose();
                    result = 0;
                }
                else
                {
                    XYZ xyz3 = xarcJig.PickEndPoint(xyz, xyz2, "请确定圆弧终点：");
                    if (xyz3 == null)
                    {
                        xarcJig.Dispose();
                        result = 0;
                    }
                    else
                    {
                        Transaction transaction = new Transaction(activeUIDocument.Document);
                        transaction.Start("CreateCurve");
                        List<Curve> list = xarcJig.CreateCurves();
                        activeUIDocument.Document.Create.NewDetailCurve(activeUIDocument.ActiveView, list[0]);
                        transaction.Commit();
                        xarcJig.Dispose();
                        result = 0;
                    }
                }
            }
            return result;
        }
    }
}