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 JigTexts : IExternalCommand
    {
        public Result Execute(ExternalCommandData cmdData, ref string message, ElementSet elements)
        {
            UIDocument activeUIDocument = cmdData.Application.ActiveUIDocument;
            ViewAssist.ViewValidating(activeUIDocument.Document, activeUIDocument.ActiveView);
            XYZ xyz = null;
            List<TextNote> list = new List<TextNote>();
            List<XYZ> list2 = new List<XYZ>();
            try
            {
                IList<Reference> list3 = activeUIDocument.Selection.PickObjects(Autodesk.Revit.UI.Selection.ObjectType.Element);
                foreach (Reference reference in list3)
                {
                    TextNote textNote = activeUIDocument.Document.GetElement(reference) as TextNote;
                    if (textNote != null)
                    {
                        BoundingBoxXYZ boundingBoxXYZ = textNote.get_BoundingBox(activeUIDocument.ActiveView);
                        XYZ xyz2 = boundingBoxXYZ.Min + (boundingBoxXYZ.Max - boundingBoxXYZ.Min) / 2.0;
                        list.Add(textNote);
                        list2.Add(xyz2);
                    }
                }
                xyz = activeUIDocument.Selection.PickPoint("请选择基点<退出>:");
            }
            catch
            {
                return 0;
            }
            XTextsJig xtextsJig = new XTextsJig(activeUIDocument);
            XYZ xyz3 = xtextsJig.DragTexts(list, list2, xyz, "请确定位置：");
            Result result;
            if (xyz3 == null)
            {
                xtextsJig.Dispose();
                result = 0;
            }
            else
            {
                Transform transform = Transform.CreateTranslation(xyz3 - xyz);
                Transaction transaction = new Transaction(activeUIDocument.Document);
                transaction.Start("CreateText");
                foreach (TextNote textNote2 in list)
                {
                    XYZ xyz4 = transform.OfPoint(textNote2.Coord);
                    TextNote.Create(activeUIDocument.Document, activeUIDocument.ActiveView.Id, xyz4, textNote2.Text, textNote2.TextNoteType.Id);
                }
                transaction.Commit();
                xtextsJig.Dispose();
                result = 0;
            }
            return result;
        }
    }
}