MARKUS

using MarkupToPDF.Common;

using MarkupToPDF.Controls.Common;

using MarkupToPDF.Serialize.Core;

using MarkupToPDF.Serialize.S_Control;

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Linq;

using System.Windows;

using System.Windows.Media;

using System.Windows.Shapes;

namespace MarkupToPDF.Controls.Shape

{

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

    public class CircleControl : CommentUserInfo, IDisposable, INotifyPropertyChanged, ICircleControl, IDashControl

    {

        private const string PART_CirclePath = "PART_CirclePath";

        public Path Base_CirclePath = null;

        static CircleControl()

        {

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

            //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);

        }

        #region Dependency Properties

        public static readonly DependencyProperty IsSelectedProperty =

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

        public static readonly DependencyProperty ControlTypeProperty =

    DependencyProperty.Register("ControlType", typeof(ControlType), typeof(CircleControl), new FrameworkPropertyMetadata(ControlType.Circle));

        public static readonly DependencyProperty OverViewPathDataProperty = DependencyProperty.Register(

                "OverViewPathData", typeof(Geometry), typeof(CircleControl), new PropertyMetadata(null));

        public static readonly DependencyProperty LineSizeProperty = DependencyProperty.Register(

                "LineSize", typeof(double), typeof(CircleControl), new PropertyMetadata((Double)3));

        public static readonly DependencyProperty UserIDProperty = DependencyProperty.Register(

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

        public static readonly DependencyProperty FillColorProperty = DependencyProperty.Register(

                "FillColor", typeof(SolidColorBrush), typeof(CircleControl), new PropertyMetadata(new SolidColorBrush(Colors.Red)));

        public static readonly DependencyProperty StrokeColorProperty = DependencyProperty.Register(

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

        public static readonly DependencyProperty PathDataProperty = DependencyProperty.Register(

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

        //강인구 추가

        public static readonly DependencyProperty PaintProperty = DependencyProperty.Register(

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

        public static readonly DependencyProperty EndPointProperty = DependencyProperty.Register(

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

        //강인구 추가

        public static readonly DependencyProperty DashSizeProperty = DependencyProperty.Register(

                "DashSize", typeof(DoubleCollection), typeof(CircleControl), new PropertyMetadata(new DoubleCollection { 1, 1 }, PointValueChanged));

        public static readonly DependencyProperty TopRightPointProperty = DependencyProperty.Register(

              "TopRightPoint", typeof(Point), typeof(CircleControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty LeftBottomPointProperty = DependencyProperty.Register(

                 "LeftBottomPoint", typeof(Point), typeof(CircleControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty StartPointProperty = DependencyProperty.Register(

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

        public static readonly DependencyProperty PointSetProperty = DependencyProperty.Register(

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

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

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

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

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

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

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

        public static readonly DependencyProperty mousemodeProperty =

                        DependencyProperty.Register("mousemode", typeof(MouseMode), typeof(CircleControl), new PropertyMetadata(MouseMode.None, PointValueChanged));

        #endregion

        #region PropertyChanged Method

         public static void IsSelectedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            //var instance = (CircleControl)sender;

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

            //{

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

            //    if (instance.IsSelected)

            //    {

            //        instance.Base_CirclePath.Stroke = new SolidColorBrush(Colors.Blue);

            //    }

            //    else

            //    {

            //        instance.Base_CirclePath.Stroke = new SolidColorBrush(Colors.Red);

            //    }

            //}

        }

        public static void PointValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (CircleControl)sender;

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

            {

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

                instance.SetCircle();

            }

        }

        public static void OnCenterXYChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (CircleControl)sender;

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

            {

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

                instance.SetCircle();

            }

        }

        public static void AngleValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (CircleControl)sender;

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

            {

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

                instance.SetCircle();

            }

        }

        #endregion

        #region Properties

        public string UserID

        {

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

            set

            {

                if (this.UserID != value)

                {

                    SetValue(UserIDProperty, value);

                    OnPropertyChanged("UserID");

                }

            }

        }

        public MouseMode mousemode

        {

            get

            {

                return (MouseMode)GetValue(mousemodeProperty);

            }

            set

            {

                SetValue(mousemodeProperty, value);

                OnPropertyChanged("mousemode");

            }

        }

        public Double LineSize

        {

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

            set

            {

                if (this.LineSize != value)

                {

                    SetValue(LineSizeProperty, value);

                }

            }

        }

        public DoubleCollection DashSize

        {

            get { return (DoubleCollection)GetValue(DashSizeProperty); }

            set

            {

                if (this.DashSize != value)

                {

                    SetValue(DashSizeProperty, value);

                }

            }

        }

        public SolidColorBrush FillColor

        {

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

            set

            {

                if (this.FillColor != value)

                {

                    SetValue(FillColorProperty, value);

                }

            }

        }

        public Point TopRightPoint

        {

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

            set

            {

                SetValue(TopRightPointProperty, value);

                OnPropertyChanged("TopRightPoint");

            }

        }

        public Point LeftBottomPoint

        {

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

            set

            {

                SetValue(LeftBottomPointProperty, value);

                OnPropertyChanged("LeftBottomPoint");

            }

        }

        public override 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); }

        }

        public Geometry OverViewPathData

        {

            get

            {

                return (Geometry)GetValue(OverViewPathDataProperty);

            }

            set

            {

                SetValue(OverViewPathDataProperty, value);

                OnPropertyChanged("OverViewPathData");

            }

        }

        public PaintSet Paint

        {

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

            set

            {

                if (this.Paint != value)

                {

                    SetValue(PaintProperty, value);

                }

            }

        }

        public Point EndPoint

        {

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

            set { SetValue(EndPointProperty, value); }

        }

        public Point StartPoint

        {

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

            set { SetValue(StartPointProperty, value); }

        }

        //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 double CommentAngle

        {

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

            set

            {

                if (this.CommentAngle != value)

                {

                    SetValue(AngleProperty, value);

                }

            }

        }

        public List<Point> PointSet

        {

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

            set { SetValue(PointSetProperty, value); }

        }

        public override bool IsSelected

        {

            get

            {

                return (bool)GetValue(IsSelectedProperty);

            }

            set

            {

                SetValue(IsSelectedProperty, value);

            }

        }

        public override ControlType ControlType

        {

            get

            {

                return (ControlType)GetValue(ControlTypeProperty);

            }

            set

            {

                SetValue(ControlTypeProperty, value);

            }

        }

        public double CenterX

        {

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

            set { SetValue(CenterXProperty, value); }

        }

        public double CenterY

        {

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

            set { SetValue(CenterYProperty, value); }

        }

        #endregion

        #region Object & Variable

        EllipseGeometry instance = new EllipseGeometry();

        GeometryGroup CircleGroup = new GeometryGroup();

        #endregion

        public override void OnApplyTemplate()

        {

            base.OnApplyTemplate();

            Base_CirclePath = GetTemplateChild(PART_CirclePath) as Path;

            if (Base_CirclePath == null)

            {

                return;

            }

            this.SetCircle();

        }

        public void Dispose()

        {

            //GC.Collect();

            ////GC.SuppressFinalize(this);

            this.Base_CirclePath = null;

        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected void OnPropertyChanged(string propName)

        {

            if (PropertyChanged != null)

                PropertyChanged(this, new PropertyChangedEventArgs(propName));

        }

        /// <summary>

        /// Circle을 생성한다.

        /// </summary>

        private void SetCircle()

        {

            Base_CirclePath.StrokeDashArray.Clear();

            foreach (var item in this.DashSize)

            {

                Base_CirclePath.StrokeDashArray.Add(item);

            }

            Base_CirclePath.StrokeDashCap = PenLineCap.Square;

            Point middle = MathSet.getMiddlePoint(this.EndPoint, this.StartPoint);

            instance.RadiusX = (MathSet.DistanceTo(this.LeftBottomPoint, this.EndPoint) * 0.5);

            instance.RadiusY = (MathSet.DistanceTo(this.EndPoint, this.TopRightPoint) * 0.5);

            instance.Center = middle;

            #region 회전 적용

            var rot = new RotateTransform(this.CommentAngle, middle.X, middle.Y);

            instance.Transform = rot;

            #endregion

            switch (this.Paint)

            {

                case PaintSet.None:

                    this.FillColor = null;

                    Base_CirclePath.Fill = this.FillColor;

                    break;

                case PaintSet.Fill:

                    this.FillColor = this.StrokeColor;

                    Base_CirclePath.Fill = this.FillColor;

                    break;

                case PaintSet.Hatch:

                    Base_CirclePath.Fill = HatchMake.CreateHatchBrush(this.StrokeColor);

                    break;

                default:

                    break;

            }

            CircleGroup.Children.Clear();

            CircleGroup.FillRule = FillRule.Nonzero;

            CircleGroup.Children.Add(instance);

            try

            {                

                this.Width = Math.Abs(this.CircleGroup.Bounds.Right + (this.LineSize * 0.5));

                this.Height = Math.Abs(this.CircleGroup.Bounds.Bottom + +(this.LineSize * 0.5)); 

            }

            catch (Exception)

            {

            } 

            CenterX = Math.Abs(this.CircleGroup.Bounds.X / 2);

            CenterY = Math.Abs(this.CircleGroup.Bounds.Y / 2);

            this.PathData = CircleGroup;

            ApplyOverViewData();

        }

        public override void UpdateControl()

        {

            if (this.PointSet.Any())

            {

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

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

            }

        }

        public void SetCenterXY()

        {

            CenterX = MathSet.getMiddlePoint(this.StartPoint, this.EndPoint).X;

            CenterY = MathSet.getMiddlePoint(this.StartPoint, this.EndPoint).Y;

        }

        public override void ApplyOverViewData()

        {

            this.OverViewPathData = this.PathData;

        }

        public void ChangePaint(PaintSet state)

        {

            this.Paint = state;

            this.SetCircle();

        }

        /// <summary>

        /// call when mouse is moving while drawing control

        /// </summary>

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

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

        public override void OnCreatingMouseMove(Point pt, bool bAxisLocked)

        {

            this.EndPoint = bAxisLocked ? this.GetSquareEndPoint(this.StartPoint, pt) : pt;

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

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

            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]))

                {

                    (this as IPath).PointSet[i] = selected;

                    break;

                }

            }

            List<Point> newPointSet = new List<Point> { };

            Point middle = new Point(path.PathData.Bounds.X + path.PathData.Bounds.Width * 0.5, path.PathData.Bounds.Y + path.PathData.Bounds.Height * 0.5);

            foreach (Point _pt in path.PointSet)

            {

                newPointSet.Add(_pt);

            }

            var OppositeP = (i + newPointSet.Count / 2) % newPointSet.Count;

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

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

            if (bAxisLocked)

            {

                double _dx = path.PointSet[i].X - path.PointSet[OppositeP].X;

                double _dy = path.PointSet[i].Y - path.PointSet[OppositeP].Y;

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

                var PreviousV = path.PointSet[PreviousP] - path.PointSet[OppositeP];

                PreviousV.Normalize();

                path.PointSet[PreviousP] = path.PointSet[OppositeP] + PreviousV * distance;

                var NextV = path.PointSet[NextP] - path.PointSet[OppositeP];

                NextV.Normalize();

                path.PointSet[NextP] = path.PointSet[OppositeP] + NextV * distance;

                path.PointSet[i] = path.PointSet[OppositeP] + PreviousV * distance + NextV * distance;

            }

            else

            {

                var PreviousV = MathSet.GetNormVectorBetween(newPointSet[OppositeP], newPointSet[PreviousP]);

                var l = MathSet.DotProduct(PreviousV.X, PreviousV.Y, newPointSet[i].X - newPointSet[OppositeP].X,

                    newPointSet[i].Y - newPointSet[OppositeP].Y);

                Point pPrevious = new Point(newPointSet[OppositeP].X + PreviousV.X * l, newPointSet[OppositeP].Y

                    + PreviousV.Y * l);

                if (newPointSet.FindAll(x => x.Equals(pPrevious)).Count() == 0)

                {

                    newPointSet[PreviousP] = pPrevious;

                }

                var NextV = MathSet.GetNormVectorBetween(newPointSet[OppositeP], newPointSet[NextP]);

                l = MathSet.DotProduct(NextV.X, NextV.Y, newPointSet[i].X - newPointSet[OppositeP].X, newPointSet[i].Y

                    - newPointSet[OppositeP].Y);

                Point pNext = new Point(newPointSet[OppositeP].X + NextV.X * l, newPointSet[OppositeP].Y + NextV.Y * l);

                if (newPointSet.FindAll(x => x.Equals(pNext)).Count() == 0)

                {

                    newPointSet[NextP] = pNext;

                }

                path.PointSet = newPointSet;

            }

            this.UpdateControl();

        }

        /// <summary>

        /// return circlecontrols' 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_CircleControl STemp = new S_CircleControl())

            {

                STemp.TransformPoint = "0|0";

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

                STemp.PaintState = this.Paint;

                //STemp.StrokeColor = "#FF00FF00";

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

                if (this.FillColor != null)

                {

                    STemp.FillColor = this.FillColor.Color.ToString();

                }

                STemp.StartPoint = this.StartPoint;

                STemp.UserID = this.UserID;

                STemp.EndPoint = this.EndPoint;

                STemp.TRP = this.TopRightPoint;

                STemp.LBP = this.LeftBottomPoint;

                STemp.Opac = this.Opacity;

                STemp.Angle = this.CommentAngle;

                STemp.PointSet = this.PointSet;

                STemp.DashSize = this.DashSize;

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

                ///강인구 추가(2017.11.02)

                ///Memo 추가

                STemp.Memo = this.Memo;

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

            };

        }

        /// <summary>

        /// create a circlecontrol from given string

        /// </summary>

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

        /// <returns></returns>

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

        {

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

            {

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

                return new CircleControl

                {

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

                    Paint = s.PaintState,

                    StartPoint = s.StartPoint,

                    EndPoint = s.EndPoint,

                    LeftBottomPoint = s.LBP,

                    TopRightPoint = s.TRP,

                    Opacity = s.Opac,

                    CommentAngle = s.Angle,

                    DashSize = s.DashSize,

                    PointSet = s.PointSet,

                    StrokeColor = brush,

                    UserID = s.UserID,

                    Memo = s.Memo

                };

            }

        }

    }

}