MARKUS

using System;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.ComponentModel;

using System.Collections.Generic;

using MarkupToPDF.Controls.Common;

using MarkupToPDF.Common;

using MarkupToPDF.Serialize.Core;

using MarkupToPDF.Serialize.S_Control;

using System.Linq;

using MarkupToPDF.Controls.Shape;

using System.Windows.Markup;

namespace MarkupToPDF.Controls.Etc

{

    [TemplatePart(Name = "PART_SymPath", Type = typeof(Path))]

    [TemplatePart(Name = "PART_ViewBox", Type = typeof(Viewbox))]

    public class SymControl : CommentUserInfo, IDisposable, INotifyPropertyChanged, IPath, IViewBox, IMarkupCommonData

    {

        #region 초기선언

        public enum SymStyleSet { None, Fill };

        private const string PART_ViewBox = "PART_ViewBox";

        private const string PART_SymPath = "PART_SymPath";

        public Viewbox Base_ViewBox = null;

        public Path Base_SymPath = null;

        #endregion

        static SymControl()

        {

            DefaultStyleKeyProperty.OverrideMetadata(typeof(SymControl), new FrameworkPropertyMetadata(typeof(SymControl)));

            //Application.Current.Resources.MergedDictionaries.Add(Application.LoadComponent(new Uri("/MarkupToPDF;Component/Themes/generic.xaml")) as ResourceDictionary);

            //ResourceDictionary dictionary = new ResourceDictionary();

            //dictionary.Source = new Uri("/MarkupToPDF;component/themes/generic.xaml", UriKind.RelativeOrAbsolute);

            //Application.Current.Resources.MergedDictionaries.Add(dictionary);

            //System.Diagnostics.Debug.WriteLine("resource Count :" + Application.Current.Resources.MergedDictionaries.Count);

        }

        public override void Copy(CommentUserInfo lhs)

        {

            if(lhs is SymControl item)

            {

                this.LineSize = item.LineSize;

                this.PointSet = item.PointSet.ConvertAll(x => new System.Windows.Point(x.X, x.Y));

                this.Paint = item.Paint;

                this.StartPoint = new System.Windows.Point(item.StartPoint.X, item.StartPoint.Y);

                this.EndPoint = new System.Windows.Point(item.EndPoint.X, item.EndPoint.Y);

                this.LeftBottomPoint = new System.Windows.Point(item.LeftBottomPoint.X, item.LeftBottomPoint.Y);

                this.TopRightPoint = new System.Windows.Point(item.TopRightPoint.X, item.TopRightPoint.Y);

                this.StrokeColor = item.StrokeColor;

                this.CommentAngle = item.CommentAngle;

                this.UserID = item.UserID;

                this.PathData = item.PathData.Clone();

                this.Opacity = item.Opacity;

                this.Memo = item.Memo;

                this.ZIndex = item.ZIndex;

                GroupID = item.GroupID;

            }

        }

        public override CommentUserInfo Clone()

        {

            var clone = new SymControl();

            clone.Copy(this);

            return clone;

        }

        public void Dispose()

        {

            //GC.Collect();

            ////GC.SuppressFinalize(this);

            this.Base_SymPath = null;

            this.Base_ViewBox = null;

        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected void RaisePropertyChanged(string propName)

        {

            if (PropertyChanged != null)

                PropertyChanged(this, new PropertyChangedEventArgs(propName));

        }

        #region Dependency Properties

        public static readonly DependencyProperty UserIDProperty = DependencyProperty.Register(

                "UserID", typeof(string), typeof(SymControl), new PropertyMetadata(null));

        public static readonly DependencyProperty LineSizeProperty = DependencyProperty.Register(

                "LineSize", typeof(double), typeof(SymControl), new PropertyMetadata((Double)1));

        public static readonly DependencyProperty StrokeColorProperty = DependencyProperty.Register(

                "StrokeColor", typeof(SolidColorBrush), typeof(SymControl), new PropertyMetadata(new SolidColorBrush(Colors.Red)));

        public static readonly DependencyProperty PathDataProperty = DependencyProperty.Register(

                "PathData", typeof(Geometry), typeof(SymControl), null);

        public static readonly DependencyProperty EndPointProperty = DependencyProperty.Register(

                "EndPoint", typeof(Point), typeof(SymControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty StartPointProperty = DependencyProperty.Register(

                "StartPoint", typeof(Point), typeof(SymControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty TopRightPointProperty = DependencyProperty.Register(

                "TopRightPoint", typeof(Point), typeof(SymControl), new PropertyMetadata(new Point(0, 0), TRPointValueChanged));

        public static readonly DependencyProperty LeftBottomPointProperty = DependencyProperty.Register(

                 "LeftBottomPoint", typeof(Point), typeof(SymControl), new PropertyMetadata(new Point(0, 0), LBPointValueChanged));

        public static readonly DependencyProperty PointSetProperty = DependencyProperty.Register(

                 "PointSet", typeof(List<Point>), typeof(SymControl), new PropertyMetadata(new List<Point>()));

        public static readonly DependencyProperty AngleProperty = DependencyProperty.Register("Angle", typeof(double), typeof(SymControl),

            new PropertyMetadata((double)0.0, new PropertyChangedCallback(AngleValueChanged)));

        public static readonly DependencyProperty CenterXProperty = DependencyProperty.Register("CenterX", typeof(double), typeof(SymControl),

            new PropertyMetadata((double)0, OnCenterXYChanged));

        public static readonly DependencyProperty CenterYProperty = DependencyProperty.Register("CenterY", typeof(double), typeof(SymControl),

            new PropertyMetadata((double)0, OnCenterXYChanged));

        public static readonly DependencyProperty PaintProperty = DependencyProperty.Register(

                "Paint", typeof(PaintSet), typeof(SymControl), new PropertyMetadata(PaintSet.None));

        public static readonly DependencyProperty IsSelectedProperty =

     DependencyProperty.Register("IsSelected", typeof(bool), typeof(SymControl), new FrameworkPropertyMetadata(false, IsSelectedChanged));

        public static readonly DependencyProperty ControlTypeProperty =

            DependencyProperty.Register("ControlType", typeof(ControlType), typeof(SymControl), new FrameworkPropertyMetadata(ControlType.Symbol));

        #endregion

        #region PropertyChanged Method

        public static void PointValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (SymControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_SymPath != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetSymPath();

            }

        }

        public static void TRPointValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (SymControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_SymPath != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetSymPath();

            }

        }

        public static void IsSelectedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

        }

        public static void OnCenterXYChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (SymControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_SymPath != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetSymPath();

            }

        }

        public static void LBPointValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (SymControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_SymPath != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                //instance.EndPoint = new Point(instance.EndPoint.X, ((Point)e.NewValue).Y);

                //instance.StartPoint = new Point(((Point)e.NewValue).X, instance.StartPoint.Y);

                ////instance.PointSet[0] = instance.StartPoint;

                ////instance.PointSet[2] = instance.EndPoint;

                instance.SetSymPath();

            }

        }

        public static void AngleValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (SymControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_SymPath != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetSymPath();

            }

        }

        #endregion

        #region Properties

        public string UserID

        {

            get { return (string)GetValue(UserIDProperty); }

            set

            {

                if (this.UserID != value)

                {

                    SetValue(UserIDProperty, value);

                    RaisePropertyChanged("UserID");

                }

            }

        }

        public Double LineSize

        {

            get { return (Double)GetValue(LineSizeProperty); }

            set

            {

                if (this.LineSize != value)

                {

                    SetValue(LineSizeProperty, value);

                }

            }

        }

        public PaintSet Paint

        {

            get { return (PaintSet)GetValue(PaintProperty); }

            set

            {

                if (this.Paint != value)

                {

                    SetValue(PaintProperty, value);

                }

            }

        }

        public List<Point> PointSet

        {

            get { return (List<Point>)GetValue(PointSetProperty); }

            set { SetValue(PointSetProperty, value); }

        }

        public override double CommentAngle

        {

            get { return (double)GetValue(AngleProperty); }

            set

            {

                if (this.CommentAngle != value)

                {

                    SetValue(AngleProperty, value);

                }

            }

        }

        public SolidColorBrush StrokeColor

        {

            get { return (SolidColorBrush)GetValue(StrokeColorProperty); }

            set

            {

                if (this.StrokeColor != value)

                {

                    SetValue(StrokeColorProperty, value);

                }

            }

        }

        public Geometry PathData

        {

            get { return (Geometry)GetValue(PathDataProperty); }

            set

            {

                SetValue(PathDataProperty, value);

                RaisePropertyChanged("PathData");

            }

        }

        public Point TopRightPoint

        {

            get { return (Point)GetValue(TopRightPointProperty); }

            set

            {

                SetValue(TopRightPointProperty, value);

                RaisePropertyChanged("TopRightPoint");

            }

        }

        public Point LeftBottomPoint

        {

            get { return (Point)GetValue(LeftBottomPointProperty); }

            set

            {

                SetValue(LeftBottomPointProperty, value);

                RaisePropertyChanged("LeftBottomPoint");

            }

        }

        public Point EndPoint

        {

            get { return (Point)GetValue(EndPointProperty); }

            set

            {

                SetValue(EndPointProperty, value);

                RaisePropertyChanged("EndPoint");

            }

        }

        public Point StartPoint

        {

            get { return (Point)GetValue(StartPointProperty); }

            set

            {

                SetValue(StartPointProperty, value);

                RaisePropertyChanged("StartPoint");

            }

        }

        public double CenterX

        {

            get { return (double)GetValue(CenterXProperty); }

            set { SetValue(CenterXProperty, value); }

        }

        public double CenterY

        {

            get { return (double)GetValue(CenterYProperty); }

            set { SetValue(CenterYProperty, value); }

        }

        public double AngleValue

        {

            get { return (double)GetValue(AngleProperty); }

            set { SetValue(AngleProperty, value); }

        }

        public override bool IsSelected

        {

            get

            {

                return (bool)GetValue(IsSelectedProperty);

            }

            set

            {

                SetValue(IsSelectedProperty, value);

            }

        }

        public override ControlType ControlType

        {

            set

            {

                SetValue(ControlTypeProperty, value);

            }

            get

            {

                return (ControlType)GetValue(ControlTypeProperty);

            }

        }

        #endregion

        public override void OnApplyTemplate()

        {

            base.OnApplyTemplate();

            Base_ViewBox = GetTemplateChild(PART_ViewBox) as Viewbox;

            Base_SymPath = GetTemplateChild(PART_SymPath) as Path;

            SetSymPath();

        }

        private void SetSymPath()

        {

            this.ApplyTemplate();

            switch (this.Paint)

            {

                case PaintSet.None:

                    Base_SymPath.Fill = null;

                    break;

                case PaintSet.Fill:

                    Base_SymPath.Fill = this.StrokeColor;

                    break;

                default:

                    break;

            }

            Point mid = MathSet.FindCentroid(new List<Point>()

            {

                this.StartPoint,

                this.LeftBottomPoint,

                this.EndPoint,

                this.TopRightPoint,

            });

            double AngleData = this.CommentAngle * -1;

            PathFigure pathFigure = new PathFigure();

            pathFigure.StartPoint = MathSet.RotateAbout(mid, this.StartPoint, AngleData);

            LineSegment lineSegment0 = new LineSegment();

            lineSegment0.Point = MathSet.RotateAbout(mid, this.StartPoint, AngleData);

            pathFigure.Segments.Add(lineSegment0);

            LineSegment lineSegment1 = new LineSegment();

            lineSegment1.Point = MathSet.RotateAbout(mid, this.LeftBottomPoint, AngleData);

            pathFigure.Segments.Add(lineSegment1);

            LineSegment lineSegment2 = new LineSegment();

            lineSegment2.Point = MathSet.RotateAbout(mid, this.EndPoint, AngleData);

            pathFigure.Segments.Add(lineSegment2);

            LineSegment lineSegment3 = new LineSegment();

            lineSegment3.Point = MathSet.RotateAbout(mid, this.TopRightPoint, AngleData);

            pathFigure.Segments.Add(lineSegment3);

            PathGeometry pathGeometry = new PathGeometry();

            pathGeometry.Figures = new PathFigureCollection();

            pathFigure.IsClosed = true;

            pathGeometry.Figures.Add(pathFigure);

            this.Base_ViewBox.Width = pathGeometry.Bounds.Width;

            this.Base_ViewBox.Height = pathGeometry.Bounds.Height;

            this.Tag = pathGeometry;

            Canvas.SetLeft(this, MathSet.RotateAbout(mid, mid, AngleData).X - this.Base_ViewBox.Width / 2);

            Canvas.SetTop(this, MathSet.RotateAbout(mid, mid, AngleData).Y - this.Base_ViewBox.Height / 2);

        }

        public override void UpdateControl()

        {

            this.StartPoint = new Point(this.PointSet[0].X, this.PointSet[0].Y);

            this.LeftBottomPoint = new Point(this.PointSet[1].X, this.PointSet[1].Y);

            this.EndPoint = new Point(this.PointSet[2].X, this.PointSet[2].Y);

            this.TopRightPoint = new Point(this.PointSet[3].X, this.PointSet[3].Y);

            this.SetSymPath();

        }

        public void ChangePaint(PaintSet state)

        {

            this.Paint = state;

            this.SetSymPath();

        }

        /// <summary>

        /// call when mouse is moving while drawing control

        /// </summary>

        /// <author>humkyung</author>

        /// <param name="pt"></param>

        /// <param name="bAxisLocked"></param>

        public override void OnCreatingMouseMove(Point pt, bool bAxisLocked)

        {

            if (bAxisLocked)

            {

                double _dx = pt.X - this.StartPoint.X;

                double _dy = pt.Y - this.StartPoint.Y;

                double dist = Math.Max(Math.Abs(_dx), Math.Abs(_dy));

                var dir = new Vector(_dx, _dy);

                dir.Normalize();

                this.LeftBottomPoint = new Point(this.StartPoint.X, this.StartPoint.Y + (dir.Y > 0 ? 1 : -1) * dist);

                this.TopRightPoint = new Point(this.StartPoint.X + (dir.X > 0 ? 1 : -1) * dist, this.StartPoint.Y);

                this.EndPoint = new Point(this.TopRightPoint.X, this.LeftBottomPoint.Y);

            }

            else

            {

                this.EndPoint = pt;

                this.LeftBottomPoint = new Point(this.StartPoint.X, this.EndPoint.Y);

                this.TopRightPoint = new Point(this.EndPoint.X, this.StartPoint.Y);

            }

            this.StrokeColor = new SolidColorBrush(Colors.Red);

            if (this.StartPoint != this.EndPoint)

            {

                if (this.PathData == null)

                {

                    using (StringToPathConverter Convert = new StringToPathConverter())

                    {

                        this.PathData = Convert.Convert("M-5,5L0,0L20,30L40,-20 ");

                    }

                }

            }

            this.PointSet = new List<Point>

            {

                this.StartPoint,

                this.LeftBottomPoint,

                this.EndPoint,

                this.TopRightPoint,

            };

        }

        /// <summary>

        /// move control point has same location of given pt along given delta

        /// </summary>

        /// <author>humkyung</author>

        /// <date>2019.06.20</date>

        /// <param name="pt"></param>

        /// <param name="dx"></param>

        /// <param name="dy"></param>

        public override void OnMoveCtrlPoint(Point pt, double dx, double dy, bool bAxisLocked = false)

        {

            IPath path = (this as IPath);

            Point selected = MathSet.getNearPoint(path.PointSet, pt);

            selected.X += dx;

            selected.Y += dy;

            int i = 0;

            for (i = 0; i < (this as IPath).PointSet.Count; i++)

            {

                if (pt.Equals((this as IPath).PointSet[i]))

                {

                    path.PointSet[i] = selected;

                    break;

                }

            }

            var ReverseP = (i + path.PointSet.Count / 2) % path.PointSet.Count;

            var PreviousP = (i + (path.PointSet.Count - 1)) % path.PointSet.Count;

            var NextP = (i + 1) % path.PointSet.Count;

            var distance = MathSet.DistanceTo(path.PointSet[ReverseP], path.PointSet[i]);

            var PreviousV = MathSet.GetNormVectorBetween(path.PointSet[ReverseP], path.PointSet[PreviousP]);

            var l = MathSet.DotProduct(PreviousV.X, PreviousV.Y, path.PointSet[i].X - path.PointSet[ReverseP].X,

                path.PointSet[i].Y - path.PointSet[ReverseP].Y);

            path.PointSet[PreviousP] = new Point(path.PointSet[ReverseP].X + PreviousV.X * l, path.PointSet[ReverseP].Y + PreviousV.Y * l);

            var NextV = MathSet.GetNormVectorBetween(path.PointSet[ReverseP], path.PointSet[NextP]);

            l = MathSet.DotProduct(NextV.X, NextV.Y, path.PointSet[i].X - path.PointSet[ReverseP].X, path.PointSet

                [i].Y - path.PointSet[ReverseP].Y);

            path.PointSet[NextP] = new Point(path.PointSet[ReverseP].X + NextV.X * l, path.PointSet[ReverseP].Y + NextV.Y * l);

            this.UpdateControl();

        }

        /// <summary>

        /// return SymControl's area

        /// </summary>

        /// <author>humkyung</author>

        /// <date>2019.06.13</date>

        public override Rect ItemRect

        {

            get

            {

                double dMinX = Math.Min(this.StartPoint.X, this.EndPoint.X);

                double dMinY = Math.Min(this.StartPoint.Y, this.EndPoint.Y);

                double dMaxX = Math.Max(this.StartPoint.X, this.EndPoint.X);

                double dMaxY = Math.Max(this.StartPoint.Y, this.EndPoint.Y);

                return new Rect(new Point(dMinX, dMinY), new Point(dMaxX, dMaxY));

            }

        }

        /// <summary>

        /// Serialize this

        /// </summary>

        /// <param name="sUserId"></param>

        /// <returns></returns>

        public override string Serialize()

        {

            using (S_SymControl ctrl = new S_SymControl())

            {

                ctrl.TransformPoint = "0|0";

                ctrl.PointSet = this.PointSet;

                ctrl.UserID = this.UserID;

                ctrl.SizeSet = String.Format("{0}", this.LineSize.ToString());

                ctrl.PaintState = this.Paint;

                ctrl.PathInfo = this.PathData.ToString();

                ctrl.StrokeColor = this.StrokeColor.Color.ToString();

                ctrl.StartPoint = this.StartPoint;

                ctrl.Angle = this.CommentAngle;

                ctrl.EndPoint = this.EndPoint;

                ctrl.LB = this.LeftBottomPoint;

                ctrl.TR = this.TopRightPoint;

                ctrl.Opac = this.Opacity;

                ctrl.Name = this.GetType().Name.ToString();

                ctrl.ZIndex = this.ZIndex;

                ctrl.GroupID = this.GroupID;

                return "|DZ|" + JsonSerializerHelper.CompressString((ctrl.JsonSerialize()));

            }

        }

        /// <summary>

        /// create a symcontrol from given string

        /// </summary>

        /// <param name="str"></param>

        /// <returns></returns>

        public static SymControl FromString(string str, SolidColorBrush brush, string sProjectNo)

        {

            SymControl instance = null;

            using (S_SymControl s = JsonSerializerHelper.JsonDeserialize<S_SymControl>(str))

            {

                string[] data2 = s.SizeSet.Split(delimiterChars2, StringSplitOptions.RemoveEmptyEntries);

                Common.StringToPathConverter sm = new Common.StringToPathConverter();

                instance = new SymControl

                {

                    LineSize = Convert.ToDouble(data2.First()),

                    PointSet = s.PointSet,

                    Paint = s.PaintState,

                    StartPoint = s.StartPoint,

                    StrokeColor = brush,

                    EndPoint = s.EndPoint,

                    CommentAngle = s.Angle,

                    UserID = s.UserID,

                    LeftBottomPoint = s.LB,

                    TopRightPoint = s.TR,

                    PathData = sm.Convert(s.PathInfo.ToString()),

                    Opacity = s.Opac,

                    Memo = s.Memo,

                    ZIndex = s.ZIndex,

                    GroupID = s.GroupID

                };

            }

            return instance;

        }

    }

}