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 UndoCommand

    {

        private static readonly UndoCommand _instance = new UndoCommand();

        // Explicit static constructor to tell C# compiler

        // not to mark type as beforefieldinit

        static UndoCommand()

        {

        }

        private UndoCommand()

        {

        }

        public static UndoCommand Instance

        {

            get

            {

                return _instance;

            }

        }

        /// <summary>

        /// push undo data

        /// </summary>

        /// <author>humkyung</author>

        /// <date>2019.06.14</date>

        /// <param name="comments"></param>

        public void Push(ICollection<CommentUserInfo> comments, double dAngle)

        {

            Undo_data UndoData = new Undo_data()

            {

                IsUndo = false,

                Event = Event_Type.Thumb,

                EventTime = DateTime.Now,

                Markup_List = new List<Multi_Undo_data>(),

            };

            Multi_Undo_data multi_Undo_Data = new Multi_Undo_data();

            foreach (var comment in comments)

            {

                multi_Undo_Data.PointSet = new List<Point>();

                var p_set = new List<Point>();

                if (comment is TextControl)

                {

                    multi_Undo_Data.PointSet.Add((comment as TextControl).StartPoint);

                    multi_Undo_Data.PointSet.Add((comment as TextControl).EndPoint);

                }

                foreach (var point in (comment as IPath).PointSet)

                {

                    multi_Undo_Data.PointSet.Add(point);

                }

                if (comment is ArrowTextControl)

                {

                    multi_Undo_Data.Angle = dAngle = (comment as ArrowTextControl).CommentAngle;

                }

                else

                {

                    multi_Undo_Data.Angle = dAngle;

                }

                multi_Undo_Data.Markup = comment;

                UndoData.Markup_List.Add(multi_Undo_Data);

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

                            MarkupParser.MarkupToString(multi_Undo_Data.Markup, App.ViewInfo.UserID), Event_Type.Thumb, null, null);

                multi_Undo_Data = new Multi_Undo_data();                

            }

            ViewerDataModel.Instance.UndoDataList.Where(data => data.IsUndo == true).ToList().ForEach(i =>

            {

                ViewerDataModel.Instance.UndoDataList.Remove(i);

            });

            ViewerDataModel.Instance.UndoDataList.Add(UndoData);            

        }

        /// <summary>

        /// undo

        /// </summary>

        public void Execute()

        {

            AdornerFinal final;

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

            Undo_data undo = ViewerDataModel.Instance.UndoDataList.Where(data => data.IsUndo == false).ToList()

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

            if (undo == null) return;

            switch (undo.Event)

            {

                case (Event_Type.Create):

                    {

                        foreach (var item in undo.Markup_List)

                        {

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

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

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

                        }

                    }

                    break;

                case (Event_Type.Delete):

                    {

                        foreach (var item in undo.Markup_List)

                        {

                            //var markupitem = MarkupParser.MarkupToString(item.Markup, App.ViewInfo.UserID);

                            //if (markupitem != null)

                            //{

                            //    IKCOM.MarkupItemEx markup = new IKCOM.MarkupItemEx

                            //    {

                            //        Data = markupitem.ConvertData,

                            //        Data_Type = markupitem.DATA_TYPE,

                            //        ID = markupitem.CommentID,

                            //        IsUpdate = false,

                            //        MarkupInfoID = App.Custom_ViewInfoId,

                            //        PageNumber = ViewerDataModel.Instance.PageNumber,

                            //        //Symbol_ID = p.Symbol_ID,

                            //        //Group_ID = p.Group_ID

                            //    };

                            //    ViewerDataModel.Instance.MyMarkupList.Add(markup);

                            //}

                            //ViewerDataModel.Instance.MarkupControls.Add(item.Markup);

                            item.Markup.Load();

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

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

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

                        }

                    }

                    break;

                case (Event_Type.Thumb):

                    {

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

                        foreach (var item in undo.Markup_List)

                        {

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

                            if ((item.Markup as IViewBox) != null)

                            {

                                (item.Markup as IViewBox).CommentAngle = item.Angle;

                            }

                            if ((item.Markup as TextControl) != null)

                            {

                                (item.Markup as TextControl).CommentAngle = item.Angle;

                                Canvas.SetLeft((item.Markup as TextControl), item.PointSet[0].X);

                                Canvas.SetTop((item.Markup as TextControl), item.PointSet[0].Y);

                            }

                            else

                            {

                                (item.Markup as IPath).PointSet = item.PointSet;

                                (item.Markup as CommentUserInfo).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;

                case (Event_Type.Select):

                    {

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

                        foreach (var item in undo.Markup_List)

                        {

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

                            if ((item.Markup as IPath) != null)

                            {

                                (item.Markup as IPath).LineSize = item.LineSize;

                            }

                            if ((item.Markup as UIElement) != null)

                            {

                                (item.Markup as UIElement).Opacity = item.Opacity;

                            }

                            if ((item.Markup as IDashControl) != null)

                            {

                                (item.Markup as IDashControl).DashSize = item.DashSize;

                            }

                            if ((item.Markup as IShapeControl) != null)

                            {

                                (item.Markup as IShapeControl).Paint = item.paint;

                            }

                            comment.Add(item.Markup);

                        }

                        final = new AdornerFinal(comment);

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

                    }

                    break;

                case (Event_Type.Option):

                    {

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

                        foreach (var item in undo.Markup_List)

                        {

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

                            if (undo.LineSize != 0 && item.Markup as IPath != null)

                            {

                                (item.Markup as IPath).LineSize = undo.LineSize;

                            }

                            else if (undo.Opacity != 0 && item.Markup as UIElement != null)

                            {

                                (item.Markup as UIElement).Opacity = undo.Opacity;

                            }

                            else if (undo.DashSize != null && item.Markup as IDashControl != null)

                            {

                                (item.Markup as IDashControl).DashSize = undo.DashSize;

                            }

                            else if (undo.Interval != 0 && item.Markup as LineControl != null)

                            {

                                (item.Markup as LineControl).Interval = undo.Interval;

                            }

                            else if (item.Markup as IShapeControl != null)

                            {

                                (item.Markup as IShapeControl).Paint = undo.paint;

                            }

                            comment.Add(item.Markup);

                        }

                        final = new AdornerFinal(comment);

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

                    }

                    break;

            }

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

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

            {

                i.IsUndo = true;

            });

        }

    }

}