MARKUS

using MarkupToPDF.Common;

using MarkupToPDF.Controls.Common;

using MarkupToPDF.Controls.Line;

using MarkupToPDF.Controls.Polygon;

using MarkupToPDF.Controls.Shape;

using MarkupToPDF.Controls.Text;

using MarkupToPDF.Controls.Etc;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Media;

using MarkupToPDF.Controls.Cad;

using KCOM.Common;

using KCOM.Controls;

using MarkupToPDF.Controls.Parsing;

namespace KCOM.Events

{

    public class RedoCommand

    {

        private static readonly RedoCommand _instance = new RedoCommand();

        // Explicit static constructor to tell C# compiler

        // not to mark type as beforefieldinit

        static RedoCommand()

        {

        }

        private RedoCommand()

        {

        }

        public static RedoCommand Instance

        {

            get

            {

                return _instance;

            }

        }

        /// <summary>

        /// redo

        /// </summary>

        public void Execute()

        {

            AdornerFinal final;

            UndoDataGroup redo = ViewerDataModel.Instance.UndoDataList.Where(data => data.IsUndo).ToList()

                .OrderBy(order => order.EventTime).FirstOrDefault();

            if (redo == null) return;

            SelectionSet.Instance.UnSelect(Common.ViewerDataModel.Instance.SystemMain.dzMainMenu);

            switch (redo.Event)

            {

                case (EventType.Create):

                    {

                        foreach (var item in redo.MarkupDataColl)

                        {

                            ViewerDataModel.Instance.MarkupControls_USER.Add(item.Markup);

                            ViewerDataModel.Instance.SystemMain.dzMainMenu.pageNavigator.MarkupListUpdate(

                            MarkupParser.MarkupToString(item.Markup, App.ViewInfo.UserID), EventType.Create, null, null);

                        }

                    }

                    break;

                case (EventType.Delete):

                    {

                        foreach (var item in redo.MarkupDataColl)

                        {

                            ViewerDataModel.Instance.MarkupControls_USER.Remove(item.Markup);

                            ViewerDataModel.Instance.SystemMain.dzMainMenu.pageNavigator.MarkupListUpdate(

                            null, EventType.Delete, item.Markup.CommentID, null);

                        }

                    }

                    break;

                case (EventType.Operation):

                    {

                        List<CommentUserInfo> comment = new List<CommentUserInfo>();

                        foreach (var item in redo.MarkupDataColl)

                        {

                            ViewerDataModel.Instance.MarkupControls_USER.Remove(item.Markup);

                            var tmp = item.Markup.Clone();

                            item.Markup.Copy(item.Clone);

                            item.Clone.Copy(tmp);

                            item.Markup.UpdateControl();

                            comment.Add(item.Markup);

                        }

                        final = new AdornerFinal(comment);

                        Common.ViewerDataModel.Instance.SystemMain.dzMainMenu.SelectLayer.Children.Add(final);

                        SelectionSet.Instance.UnSelect(Common.ViewerDataModel.Instance.SystemMain.dzMainMenu);

                    }

                    break;

            }

            ViewerDataModel.Instance.UndoDataList.Where(data => data.EventTime == redo.EventTime).ToList()

                .OrderByDescending(order => order.EventTime).ToList().ForEach(i =>

            {

                i.IsUndo = false;

            });

        }

    }

}