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

using System;
using System.Collections.Generic;

namespace HYJig
{
    [Transaction(TransactionMode.Manual)]
    [Regeneration(0)]
    public class JigRectangle : IExternalCommand
    {
        public Result Execute(ExternalCommandData cmdData, ref string message, ElementSet elements)
        {
            UIDocument activeUIDocument = cmdData.Application.ActiveUIDocument;
            ViewAssist.ViewValidating(activeUIDocument.Document, activeUIDocument.ActiveView);
            XRectJig xrectJig = new XRectJig(activeUIDocument);
            XYZ xyz = xrectJig.PickStartPoint("请确定矩形第一个角点：");
            Result result;
            if (xyz == null)
            {
                xrectJig.Dispose();
                result = 0;
            }
            else
            {
                XYZ xyz2 = xrectJig.PickRectAngle(xyz, "请确定矩形方向：");
                if (xyz2 == null)
                {
                    xrectJig.Dispose();
                    result = 0;
                }
                else
                {
                    XYZ xyz3 = xrectJig.PickEndPoint(xyz, xyz2, "请确定矩形另一对角点：");
                    if (xyz3 == null)
                    {
                        xrectJig.Dispose();
                        result = 0;
                    }
                    else
                    {
                        Transaction transaction = new Transaction(activeUIDocument.Document);
                        transaction.Start("CreateCurve");
                        List<Curve> list = xrectJig.CreateCurves();
                        foreach (Curve curve in list)
                        {
                            activeUIDocument.Document.Create.NewDetailCurve(activeUIDocument.ActiveView, curve);
                        }
                        transaction.Commit();
                        xrectJig.Dispose();
                        result = 0;
                    }
                }
            }
            return result;
        }
    }
}