using RoboforkApp.DataModel;
  using System;

  using System.Collections.Generic;
  using System.Linq;
  using System.Windows;
  using System.Windows.Controls;
  using System.Windows.Documents;
  using System.Windows.Input;
  using System.Windows.Markup;
  using System.Windows.Media;
  using System.Windows.Shapes;
  using System.Xml;
  
  namespace RoboforkApp
  {
      public class DesignerCanvas : Canvas
      {

          const double RADIUS_NODE = 25d; //8d;

          const double RADIUS_CURVER_LINE = 130d;
          const double DISTANCE_AUTO_NODES = 100d;
          const double DISTANCE_START_NODES = 30d;
          const double DISTANCE_END_NODES = 30d;
          const double DISTANCE_FREE_NODES = 40d;
          const double STROKE_ROOT_LINE = 6d;
          const double STROKE_LINE = 4d;
          const double STROKE_NODE = 1d;
          const double DISTANCE_RATIO = 100;

          const double UCNODE_SETLEFT = 17;
          const double UCNODE_SETTOP = 17;
          const double UCNODE_WIDTH = 34;
          const double UCNODE_HEIGHT = 34;

          private List<Rectangle> shapeList = new List<Rectangle>();
          private TextBlock shapePosIndicator;
          private TextBlock shapeSizeIndicator;
          private int currentLine;
          private ucStartEndButton _startPoint;

          private ucNode _ucNodeFree;

          private ucStartEndButton _goalPoint;
          private ucDisplayCoordinate _displayAxiPosition;
  
          // Add variable for draw route
          public Path pLine = new Path();
          public Path pRootLine = new Path();
          public Path pCurverLine = new Path();
          public Path pRedNode = new Path();
          public Path pYellowNode = new Path();
          public GeometryGroup gGrpLine = new GeometryGroup();
          public GeometryGroup gGrpRootLine = new GeometryGroup();
          public GeometryGroup gGrpCurverLine = new GeometryGroup();
          public GeometryGroup gGrpRedNode = new GeometryGroup();
          public GeometryGroup gGrpYellowNode = new GeometryGroup();
          public int currentShape;
          public static bool isStartDrawRoute = false;
          public static bool isGoalDrawRoute = false;
  
          public struct NodeInfo
          {
              public double X;
              public double Y;
              public String Mode1;
              public String Mode2;
              public String Mode3;
          }
          List<NodeInfo> NodeInfo_List = new List<NodeInfo>();

          // Add variable for Set Schedule
          public Path pScheduleNode = new Path();
          public Path pScheduleLine = new Path();
          public GeometryGroup gGrpScheduleNode = new GeometryGroup();
          public GeometryGroup gGrpScheduleLine = new GeometryGroup();

          public static bool EditNodeFlag = false;
          public static bool DragDeltaFlag = false;

          //Add variable for Vehicle Item click
          public string VehicleItem = "FK_15";
          VehicleModel VehicleModel = new VehicleModel();
          public int VehicleIndex = 0;

          //2017/03/04 NAM ADD START
          public static bool isDrawingNode = false;

          public static bool isDragNode = false;

          public Path pNewLine = new Path();
          public GeometryGroup gGrpNewLine = new GeometryGroup();
  
          public struct NewNodeInfo
          {
              public double X;
              public double Y;
              public String Mode;
          }
          List<NewNodeInfo> NewNodeInfo_List = new List<NewNodeInfo>();
          List<TextBlock> NodeNo = new List<TextBlock>();
          List<ucNode> ucNode_Lst = new List<ucNode>();

          public List<ucNode> ucScheduleNode_Lst = new List<ucNode>();

          int stt = 1;
          //2017/03/04 NAM ADD END

          public ScheduleCanvas scheduleCanvas;

          // Add variable for Set Auto Nodes
          public Path pBlueNode = new Path();
          private GeometryGroup gGrpBlueNode = new GeometryGroup();
  
          // Add variable for Set Free Nodes
          public Path pFreeNode = new Path();
          //private GeometryGroup gGrpFreeNode = new GeometryGroup();
  
          // The part of the rectangle the mouse is over.
          private enum HitType
          {
              None, Body, UL, UR, LR, LL, L, R, T, B
          };
          public enum OperationState
          {

              None, DrawObstract, DrawRoute, DrawSetFreeNode, EditNode, NewDrawSetFreeNode

          };
          public enum MouseState
          {
              None, Draw, Drag,
          }
          public OperationState Operation = OperationState.None;
          public MouseState mouseState = MouseState.None;
  
          // The draw start point.
          private Point StartDrawPoint;
  
          // The drag's last point.
          private Point LastPoint;
  
          // The part of the rectangle under the mouse.
          HitType MouseHitType = HitType.None;
  
          public void Init() {
              if (shapePosIndicator == null)
              {
                  shapePosIndicator = new TextBlock()
                  {
                      Foreground = Brushes.Black,
                      Background = Brushes.Transparent,
                      FontSize = 20,
                  };
              }
              if (shapeSizeIndicator == null)
              {
                  shapeSizeIndicator = new TextBlock()
                  {
                      Foreground = Brushes.Black,
                      Background = Brushes.Transparent,
                      FontSize = 20,
                  };
              }
          }
  
          // Return a HitType value to indicate what is at the point.
          private HitType SetHitType(Point point)
          {
              if (shapeList.Count == 0)
              {
                  currentShape = 0;
                  return HitType.None;
              }
              for (int i = 0; i < shapeList.Count; i++)
              {
                  Rectangle rect = shapeList[i];
                  double left = Canvas.GetLeft(rect);
                  double top = Canvas.GetTop(rect);
                  double right = left + rect.Width;
                  double bottom = top + rect.Height;
                  if (point.X < left) continue;
                  if (point.X > right) continue;
                  if (point.Y < top) continue;
                  if (point.Y > bottom) continue;
                  currentShape = i;
  
                  const double GAP = 10;
                  if (point.X - left < GAP)
                  {
                      // Left edge.
                      if (point.Y - top < GAP) return HitType.UL;
                      if (bottom - point.Y < GAP) return HitType.LL;
                      return HitType.L;
                  }
                  if (right - point.X < GAP)
                  {
                      // Right edge.
                      if (point.Y - top < GAP) return HitType.UR;
                      if (bottom - point.Y < GAP) return HitType.LR;
                      return HitType.R;
                  }
                  if (point.Y - top < GAP) return HitType.T;
                  if (bottom - point.Y < GAP) return HitType.B;
                  return HitType.Body;
              }
              currentShape = 0;
              return HitType.None;
          }
  
          // Set a mouse cursor appropriate for the current hit type.
          private void SetMouseCursor()
          {
              // See what cursor we should display.
              Cursor desired_cursor = Cursors.Arrow;
              switch (MouseHitType)
              {
                  case HitType.None:
                      desired_cursor = Cursors.Arrow;
                      break;
                  case HitType.Body:
                      desired_cursor = Cursors.ScrollAll;
                      break;
                  case HitType.UL:
                  case HitType.LR:
                      desired_cursor = Cursors.SizeNWSE;
                      break;
                  case HitType.LL:
                  case HitType.UR:
                      desired_cursor = Cursors.SizeNESW;
                      break;
                  case HitType.T:
                  case HitType.B:
                      desired_cursor = Cursors.SizeNS;
                      break;
                  case HitType.L:
                  case HitType.R:
                      desired_cursor = Cursors.SizeWE;
                      break;
              }
  
              // Display the desired cursor.
              if (Cursor != desired_cursor) Cursor = desired_cursor;
          }
  
          // constance
          int indicatorAligment = 2;
  
          /*
          private Point? dragStartPoint = null;
          
          */
          public IEnumerable<DesignerItem> SelectedItems
          {
              get
              {
                  var selectedItems = from item in this.Children.OfType<DesignerItem>()
                                      where item.IsSelected == true
                                      select item;
  
                  return selectedItems;
              }
          }
  
          public void DeselectAll()
          {
              /*
              foreach (DesignerItem item in this.SelectedItems)
              {
                  item.IsSelected = false;
              }*/
          }
  
          protected override void OnMouseDown(MouseButtonEventArgs e)
          {
              base.OnMouseDown(e);
  
              MouseHitType = SetHitType(Mouse.GetPosition(this));
              SetMouseCursor();

              if (Operation == OperationState.DrawRoute && isStartDrawRoute)
              {
                  if (isGoalDrawRoute)
                  {
                      return;
                  }
  
                  // Check state draw
                  if (MouseHitType == HitType.None)
                  {
                      if (gGrpLine.Children.Count == 1)
                      {
                          LineGeometry lineGeometry = (LineGeometry)gGrpLine.Children[0];
                          lineGeometry.EndPoint = LastPoint;
  
                          // Check end route
                          if (IsEndRoute(_goalPoint, lineGeometry))
                          {
                              isGoalDrawRoute = true;
                              ProcessEndRoute();
                              return;
                          }
                      }
                      else if (IsCurverNode((LineGeometry)gGrpLine.Children[currentLine - 1]
                                          , (LineGeometry)gGrpLine.Children[currentLine]))
                      {
                          // Set end point to finish draw line
                          LineGeometry lineGeometry = (LineGeometry)gGrpLine.Children[currentLine];
                          lineGeometry.EndPoint = LastPoint;

                          // Add node to curver postion
                          AddNode(lineGeometry.StartPoint, gGrpRedNode);

                          // Check end route
                          if (IsEndRoute(_goalPoint, lineGeometry))
                          {
                              isGoalDrawRoute = true;
                              ProcessEndRoute();
                              return;
                          }

                      }
                      else
                      {
                          // Remove current line
                          gGrpLine.Children.RemoveAt(currentLine);

  
                          // Set end point to finish draw line
                          LineGeometry lineGeometry = (LineGeometry)gGrpLine.Children[currentLine - 1];
                          lineGeometry.EndPoint = LastPoint;
  
                          // Check end route
                          if (IsEndRoute(_goalPoint, lineGeometry))
                          {
                              isGoalDrawRoute = true;
                              ProcessEndRoute();
                              return;
                          }

                      }
  
                      // Draw new line
                      DrawLine(LastPoint, LastPoint, gGrpLine);
                      // Setting start point for new line
                      StartDrawPoint = LastPoint;
  
                      mouseState = MouseState.Draw;
                      currentLine = gGrpLine.Children.Count - 1;
                      return;
                  }
              }
              else if (Operation == OperationState.DrawSetFreeNode)
              {
                  bool RightClick = false;
                  if (IsStopDrawRoute(e))
                      RightClick = true;
  
                  StartDrawPoint = e.MouseDevice.GetPosition(this);

                  SetFreeNodes(StartDrawPoint, RightClick);
              }

              else if (Operation == OperationState.EditNode)
              {
                  Point node_edited = e.MouseDevice.GetPosition(this);
  
                  // start Edit Node Infor
                  EditNode(node_edited);
  
              }
              else if (Operation == OperationState.DrawObstract)
              {
                  if (MouseHitType == HitType.None)
                  {
                      Rectangle shape = new Rectangle();
                      shape.Width = 1;
                      shape.Height = 1;
                      // Create a SolidColorBrush and use it to
                      // paint the rectangle.
                      shape.Stroke = Brushes.Blue;
                      shape.StrokeThickness = 1;
                      shape.Fill = new SolidColorBrush(Colors.LightCyan);
                      StartDrawPoint = e.MouseDevice.GetPosition(this);
                      shape.SetValue(Canvas.LeftProperty, StartDrawPoint.X);
                      shape.SetValue(Canvas.TopProperty, StartDrawPoint.Y);
                      this.Children.Add(shape);
                      shapeList.Add(shape);
  
                      mouseState = MouseState.Draw;
                      currentShape = shapeList.Count() - 1;
  
                      double shapeX = Canvas.GetLeft(shapeList[currentShape]);
                      double shapeY = Canvas.GetTop(shapeList[currentShape]);
                      shapePosIndicator.Text = "(" + Math.Round(shapeX, 0) + "," + Math.Round(shapeY, 0) + ")";
                      shapePosIndicator.SetValue(Canvas.LeftProperty, shapeX + indicatorAligment);
                      shapePosIndicator.SetValue(Canvas.TopProperty, shapeY + indicatorAligment);
  
                      double width = (int)shapeList[currentShape].Width;
                      double height = (int)shapeList[currentShape].Height;
                      shapeSizeIndicator.Text = "(" + Math.Round(width, 0) + "," + Math.Round(height, 0) + ")";
                      shapeSizeIndicator.SetValue(Canvas.LeftProperty, shapeX + indicatorAligment + width);
                      shapeSizeIndicator.SetValue(Canvas.TopProperty, shapeY + indicatorAligment + height);
  
                      this.Children.Add(shapePosIndicator);
                      this.Children.Add(shapeSizeIndicator);
  
  
                      return;
                  }
                  else
                  {
                      if (shapeList.Count() != 0)
                          shapeList[currentShape].Fill = new SolidColorBrush(Colors.LightCyan);
  
                      double shapeX = Canvas.GetLeft(shapeList[currentShape]);
                      double shapeY = Canvas.GetTop(shapeList[currentShape]);
                      shapePosIndicator.Text = "(" + Math.Round(shapeX, 0) + "," + Math.Round(shapeY, 0) + ")";
                      shapePosIndicator.SetValue(Canvas.LeftProperty, shapeX + indicatorAligment);
                      shapePosIndicator.SetValue(Canvas.TopProperty, shapeY + indicatorAligment);
  
                      double width = (int)shapeList[currentShape].Width;
                      double height = (int)shapeList[currentShape].Height;
                      shapeSizeIndicator.Text = "(" + Math.Round(width, 0) + "," + Math.Round(height, 0) + ")";
                      shapeSizeIndicator.SetValue(Canvas.LeftProperty, shapeX + indicatorAligment + width);
                      shapeSizeIndicator.SetValue(Canvas.TopProperty, shapeY + indicatorAligment + height);
  
                      this.Children.Add(shapePosIndicator);
                      this.Children.Add(shapeSizeIndicator);
                  }
  
                  LastPoint = Mouse.GetPosition(this);
                  mouseState = MouseState.Drag;
              }
              e.Handled = true;
          }
  
          protected override void OnMouseMove(MouseEventArgs e)
          {
              base.OnMouseMove(e);
  
              if (mouseState == MouseState.None)
              {
                  MouseHitType = SetHitType(Mouse.GetPosition(this));
                  SetMouseCursor();
              }
              else if (Operation == OperationState.DrawRoute && isStartDrawRoute)
              {
                  LineGeometry lineGeometry = (LineGeometry)gGrpLine.Children[currentLine];
  
                  // See how much the mouse has moved.
                  Point point = Mouse.GetPosition(this);
                  double offset_x = point.X - StartDrawPoint.X;
                  double offset_y = point.Y - StartDrawPoint.Y;
  
                  // Get the line's current position.
                  double new_x = lineGeometry.StartPoint.X;
                  double new_y = lineGeometry.StartPoint.Y;
  
                  if (offset_x != 0 || offset_y != 0)
                  {
                      if (Math.Abs(offset_x) >= Math.Abs(offset_y))
                      {
                          new_x = point.X;
                      }
                      else
                      {
                          new_y = point.Y;
                      }
                  }
  
                  // Set end point of current line
                  LastPoint = new Point(new_x, new_y);
                  lineGeometry.EndPoint = LastPoint;
                  DisplayCoordinate(LastPoint);
              }
              else if (Operation == OperationState.DrawObstract)
              {
                  if (mouseState == MouseState.Drag)
                  {
                      // See how much the mouse has moved.
                      Point point = Mouse.GetPosition(this);
                      double offset_x = point.X - LastPoint.X;
                      double offset_y = point.Y - LastPoint.Y;
  
                      // Get the rectangle's current position.
                      double new_x = Canvas.GetLeft(shapeList[currentShape]);
                      double new_y = Canvas.GetTop(shapeList[currentShape]);
                      double new_width = shapeList[currentShape].Width;
                      double new_height = shapeList[currentShape].Height;
  
                      // Update the rectangle.
                      switch (MouseHitType)
                      {
                          case HitType.Body:
                              new_x += offset_x;
                              new_y += offset_y;
                              break;
                          case HitType.UL:
                              new_x += offset_x;
                              new_y += offset_y;
                              new_width -= offset_x;
                              new_height -= offset_y;
                              break;
                          case HitType.UR:
                              new_y += offset_y;
                              new_width += offset_x;
                              new_height -= offset_y;
                              break;
                          case HitType.LR:
                              new_width += offset_x;
                              new_height += offset_y;
                              break;
                          case HitType.LL:
                              new_x += offset_x;
                              new_width -= offset_x;
                              new_height += offset_y;
                              break;
                          case HitType.L:
                              new_x += offset_x;
                              new_width -= offset_x;
                              break;
                          case HitType.R:
                              new_width += offset_x;
                              break;
                          case HitType.B:
                              new_height += offset_y;
                              break;
                          case HitType.T:
                              new_y += offset_y;
                              new_height -= offset_y;
                              break;
                      }
                      // Don't use negative width or height.
                      if ((new_width > 0) && (new_height > 0))
                      {
                          // Update the rectangle.
                          Canvas.SetLeft(shapeList[currentShape], new_x);
                          Canvas.SetTop(shapeList[currentShape], new_y);
                          shapeList[currentShape].Width = new_width;
                          shapeList[currentShape].Height = new_height;
  
                          // Save the mouse's new location.
                          LastPoint = point;
  
                      }
                  }
                  else if (mouseState == MouseState.Draw)
                  {
  
                      // See how much the mouse has moved.
                      Point point = Mouse.GetPosition(this);
  
  
                      double offset_x = point.X - StartDrawPoint.X;
                      double offset_y = point.Y - StartDrawPoint.Y;
  
                      // Get the rectangle's current position.
                      double start_x = Canvas.GetLeft(shapeList[currentShape]);
                      double start_y = Canvas.GetTop(shapeList[currentShape]);
                      double new_x = Canvas.GetLeft(shapeList[currentShape]);
                      double new_y = Canvas.GetTop(shapeList[currentShape]);
                      double new_width = offset_x;
                      double new_height = offset_y;
                      if (offset_x < 0)
                      {
                          new_x = point.X;
                          new_width = -offset_x;
                      }
                      if (offset_y < 0)
                      {
                          new_y = point.Y;
                          new_height = -offset_y;
                      }
                      Canvas.SetLeft(shapeList[currentShape], new_x);
                      Canvas.SetTop(shapeList[currentShape], new_y);
                      shapeList[currentShape].Width = new_width;
                      shapeList[currentShape].Height = new_height;
  
                  }
  
                  double shapeX = Canvas.GetLeft(shapeList[currentShape]);
                  double shapeY = Canvas.GetTop(shapeList[currentShape]);
                  shapePosIndicator.Text = "(" + Math.Round(shapeX, 0) + "," + Math.Round(shapeY, 0) + ")";
                  shapePosIndicator.SetValue(Canvas.LeftProperty, shapeX + indicatorAligment);
                  shapePosIndicator.SetValue(Canvas.TopProperty, shapeY + indicatorAligment);
  
                  double width = (int)shapeList[currentShape].Width;
                  double height = (int)shapeList[currentShape].Height;
                  shapeSizeIndicator.Text = "(" + Math.Round(width, 0) + "," + Math.Round(height, 0) + ")";
                  shapeSizeIndicator.SetValue(Canvas.LeftProperty, shapeX + indicatorAligment + width);
                  shapeSizeIndicator.SetValue(Canvas.TopProperty, shapeY + indicatorAligment + height);
              }
              e.Handled = true;
          }
  
          protected override void OnMouseUp(MouseButtonEventArgs e)
          {
              base.OnMouseUp(e);
              if (Operation == OperationState.DrawObstract)
              {
                  if (shapeList.Count() != 0)
                      shapeList[currentShape].Fill = new SolidColorBrush(Colors.Blue);
                  shapePosIndicator.Text = "";
                  shapeSizeIndicator.Text = "";
                  this.Children.Remove(shapePosIndicator);
                  this.Children.Remove(shapeSizeIndicator);
  
                  mouseState = MouseState.None;
                  currentShape = 0;
              }
              e.Handled = true;
          }

          protected override void OnPreviewMouseUp(MouseButtonEventArgs e)
          {
              base.OnPreviewMouseUp(e);
  
              EllipseGeometry ellipseGeometry;
              bool flag = false;
  
              StartDrawPoint = e.MouseDevice.GetPosition(this);

  
              if (EditNodeFlag == true)

              {
                  execEditNode(StartDrawPoint);
                  EditNodeFlag = false;
                  return;
              }
  
              if (DragDeltaFlag == true)
              {
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
  
                      for (int j = 0; j < ucNode_Lst.Count; j++)
                      {
                          if (j == i)
                          {
                              _ucNodeFree = ucNode_Lst[j];
                              flag = true;
                          }
                      }
                      if (flag)
                      {
                          if (gGrpNewLine.Children.Count > 0)
                          {
                              for (int k = 0; k < gGrpNewLine.Children.Count; k++)
                              {
                                  LineGeometry lineGeometry = (LineGeometry)gGrpNewLine.Children[k];
                                  Point p1 = lineGeometry.StartPoint;
                                  Point p2 = lineGeometry.EndPoint;
  
                                  //bool pInL = PointInLine(StartDrawPoint, p1, p2, 25);
  
                                  //if (pInL)
                                  //{
  
                                  //    //this.Children.Remove(_ucNodeFree);
                                  //    //this.Children.Add(_ucNodeFree);
                                  //    return;
                                  //}
                              }
                          }
  
                          ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
  
                          ellipseGeometry.Center = new Point(StartDrawPoint.X, StartDrawPoint.Y);
  
                          double centerY = Canvas.GetTop(_ucNodeFree);
                          double centerX = Canvas.GetLeft(_ucNodeFree);
  
                          mouseState = MouseState.Draw;

                          StartDrawPoint = new Point(centerX + UCNODE_SETLEFT, centerY + UCNODE_SETTOP);
                          ellipseGeometry.Center = new Point(centerX + UCNODE_SETLEFT, centerY + UCNODE_SETTOP);

  
                          this.Children.Remove(_ucNodeFree);
                          this.Children.Add(_ucNodeFree);
                      }
                  }
  
                  ReDrawAllNode();
  
                  SetScheduleRoute();
                  DragDeltaFlag = false;
              }

  
              return;
          }

          /// <summary>
          /// On Preview Mouse Down
          /// </summary>
          /// <param name="e"></param>
          protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
          {
              base.OnPreviewMouseDown(e);

              if (Operation != OperationState.NewDrawSetFreeNode)

              {
                  return;
              }
  
              Point currentPoint = e.MouseDevice.GetPosition(this);

              if (isDrawingNode == false)

              {

                  isDrawingNode = true;

                  InitDrawRoute();

                  mouseState = MouseState.Draw;

  
                  StartDrawPoint = e.MouseDevice.GetPosition(this);

                  
                  execCreateNode(StartDrawPoint);
                  

                  return;
              }

              else
              {
  
                  bool RightClick = false;
                  bool LeftClick = false;
  
  
                  if (IsMouseLeftClick(e))
                      LeftClick = true;
                  if (IsStopDrawRoute(e))
                      RightClick = true;
  
                  StartDrawPoint = e.MouseDevice.GetPosition(this);

                  if (RightClick)
                  {
                      execDeleteNode(StartDrawPoint);
                  }
                  else if (LeftClick)
                  {
                      for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                      {
                          EllipseGeometry ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                          Point node = ellipseGeometry.Center;
                          bool isEditNode = CheckIsNode(StartDrawPoint, node, RADIUS_NODE);
  
                          if (isEditNode)
                          {
                              return;
                          }
                      }

                      execCreateNode(StartDrawPoint);
                  }

              }
          }
  
          #region Functions for draw route
  
          /// <summary>
          /// Check start or end draw route
          /// </summary>
          /// <param name="_ucStartEndButton">Button start</param>
          /// <param name="currentPoint">Position for check</param>
          /// <returns>true: start, false: not start</returns>
          private bool IsStartEndRoute(ucStartEndButton _ucStartEndButton, Point currentPoint)
          {

              if (_ucStartEndButton == null)

              {
                  return false;
              }
  
              double centerX = Canvas.GetLeft(_ucStartEndButton);
              double centerY = Canvas.GetTop(_ucStartEndButton);
  
              if (currentPoint.X < centerX + 50 && currentPoint.X > centerX
                  && currentPoint.Y < centerY + 50 && currentPoint.Y > centerY)
              {
                  return true;
              }
              return false;
          }
  
          /// <summary>
          /// Process when end draw route
          /// </summary>
          private void ProcessEndRoute()
          {
              Operation = OperationState.None;
              AutoEditLine();
              this.Children.Remove(_displayAxiPosition);
              this.Children.Remove(_goalPoint);
              this.Children.Add(_goalPoint);
          }
  
          /// <summary>
          /// Check end draw route
          /// </summary>
          /// <param name="_ucStartEndButton">Button end</param>
          /// <param name="currentPoint">Position for check</param>
          /// <returns>true: end, false: not end</returns>
          private bool IsEndRoute(ucStartEndButton _ucStartEndButton, LineGeometry lineGeometry)
          {
              if (_ucStartEndButton == null)
              {
                  return false;
              }
  
              double centerX = Canvas.GetLeft(_ucStartEndButton);
              double centerY = Canvas.GetTop(_ucStartEndButton);
              Point startPoint = lineGeometry.StartPoint;
              Point endPoint = lineGeometry.EndPoint;

              if (IsVerticalLine(lineGeometry))

              {

                  if (endPoint.X < centerX || endPoint.X > centerX + 50)

                      return false;
  
                  if (startPoint.Y > centerY + 50 && endPoint.Y > centerY + 50)
                      return false;
  
                  if (startPoint.Y < centerY && endPoint.Y < centerY)
                      return false;

              } else

              {
                  if (endPoint.Y < centerY || endPoint.Y > centerY + 50)
                      return false;
  
                  if (startPoint.X > centerX + 50 && endPoint.X > centerX + 50)
                      return false;
  
                  if (startPoint.X < centerX && endPoint.X < centerX)
                      return false;
              }
  
              return true;
          }
  
          /// <summary>
          /// Make root
          /// </summary>
          public void MakeRoot()
          {

              // If still not route
              if (gGrpLine.Children.Count == 0)
                  return;

              pLine.Stroke = new SolidColorBrush(Colors.Red);
              pLine.StrokeThickness = STROKE_ROOT_LINE;

          }
  
          /// <summary>
          /// Auto edit leght of line
          /// </summary>
          private void AutoEditLine()
          {
              double temp;
              int index = gGrpLine.Children.Count - 1;
              double centerY = Canvas.GetTop(_goalPoint) + 25;
              double centerX = Canvas.GetLeft(_goalPoint) + 25;
              LineGeometry lastLine = (LineGeometry)gGrpLine.Children[index];
              LineGeometry beforeLastLine = (LineGeometry)gGrpLine.Children[index];

              if (gGrpLine.Children.Count > 1)

              {
                  beforeLastLine = (LineGeometry)gGrpLine.Children[index - 1];
  
                  if (!IsCurverNode(beforeLastLine, lastLine))
                  {
                      beforeLastLine.EndPoint = lastLine.EndPoint;
                      gGrpLine.Children.RemoveAt(index);

                      index = index - 1;
                      lastLine = (LineGeometry)gGrpLine.Children[index];
                  }
              }

              if (index == gGrpRedNode.Children.Count + 1)
              {
                  AddNode(lastLine.StartPoint, gGrpRedNode);
              }

              if (lastLine.EndPoint.X == centerX && lastLine.EndPoint.Y == centerY)
                  return;

              if (IsVerticalLine(lastLine))

              {
                  temp = lastLine.StartPoint.Y;
                  lastLine.StartPoint = new Point(centerX, temp);
                  lastLine.EndPoint = new Point(centerX, centerY);

                  if (gGrpLine.Children.Count > 1) {

                      beforeLastLine = (LineGeometry)gGrpLine.Children[index - 1];
                      temp = beforeLastLine.EndPoint.Y;
                      beforeLastLine.EndPoint = new Point(centerX, temp);
                  }

              } else

              {
                  temp = lastLine.StartPoint.X;
                  lastLine.StartPoint = new Point(temp, centerY);
                  lastLine.EndPoint = new Point(centerX, centerY);
                  if (gGrpLine.Children.Count > 1)
                  {
                      beforeLastLine = (LineGeometry)gGrpLine.Children[index - 1];
                      temp = beforeLastLine.EndPoint.X;
                      beforeLastLine.EndPoint = new Point(temp, centerY);
                  }
              }
  
              // Draw curver line
              if (IsCurverNode(beforeLastLine, lastLine))
              {

                  EllipseGeometry ellipseGeometry = (EllipseGeometry)gGrpRedNode.Children[gGrpRedNode.Children.Count - 1];
                  ellipseGeometry.Center = lastLine.StartPoint;

              }
          }
  
          /// <summary>
          /// Check draw curver node
          /// </summary>
          /// <param name="oldLine">Old line</param>
          /// <param name="newLine">New line</param>
          /// <returns>true:is curver, fasle: not curver</returns>
          private bool IsCurverNode(LineGeometry oldLine, LineGeometry newLine)
          {
              if (oldLine.StartPoint.Y == oldLine.EndPoint.Y && oldLine.StartPoint.Y == newLine.EndPoint.Y)
              {
                  return false;
              }
  
              if (oldLine.StartPoint.X == oldLine.EndPoint.X && oldLine.StartPoint.X == newLine.EndPoint.X)
              {
                  return false;
              }
  
              return true;
          }
  
          /// <summary>
          /// Check timming to stop draw route
          /// </summary>
          /// <param name="e"></param>
          /// <returns>true:stop; false:continue</returns>
          private bool IsStopDrawRoute(MouseEventArgs e)
          {

              if (e.RightButton == MouseButtonState.Pressed)

              {
                  return true;
              }
  
              return false;
          }

          //2017/03/05 NAM ADD START
          private bool IsMouseLeftClick(MouseEventArgs e)
          {
              if (e.LeftButton == MouseButtonState.Pressed)
              {
                  return true;
              }
  
              return false;
          }
          //2017/03/05 NAM ADD END

          /// <summary>
          /// Draw curver line and yellow node
          /// </summary>
          /// <param name="oldLine">Old line</param>
          /// <param name="newLine">New line</param>
          private void DrawCurver(LineGeometry oldLine, LineGeometry newLine)
          {
              double radius = RADIUS_CURVER_LINE;

              Point startPoint;
              Point endPoint;

  
              // Get postion of yellow node on old line

              if (IsVerticalLine(oldLine))

              {
                  if (oldLine.StartPoint.Y > oldLine.EndPoint.Y)
                      startPoint = new Point(oldLine.EndPoint.X, oldLine.EndPoint.Y + radius);
                  else
                      startPoint = new Point(oldLine.EndPoint.X, oldLine.EndPoint.Y - radius);

              } else

              {
                  if (oldLine.StartPoint.X > oldLine.EndPoint.X)
                      startPoint = new Point(oldLine.EndPoint.X + radius, oldLine.EndPoint.Y);
                  else
                      startPoint = new Point(oldLine.EndPoint.X - radius, oldLine.EndPoint.Y);
              }
  
              // Get postion of yellow node on new line
              if (IsVerticalLine(newLine))
              {
                  if (newLine.StartPoint.Y > newLine.EndPoint.Y)
                      endPoint = new Point(newLine.StartPoint.X, newLine.StartPoint.Y - radius);
                  else
                      endPoint = new Point(newLine.StartPoint.X, newLine.StartPoint.Y + radius);
              }
              else
              {
                  if (newLine.StartPoint.X > newLine.EndPoint.X)
                      endPoint = new Point(newLine.StartPoint.X - radius, newLine.StartPoint.Y);
                  else
                      endPoint = new Point(newLine.StartPoint.X + radius, newLine.StartPoint.Y);
              }

              // Add node to postion distance 1300mm

              if (GetDistance(oldLine.StartPoint, oldLine.EndPoint) > RADIUS_CURVER_LINE)
              {
                  AddNode(startPoint, gGrpYellowNode);
              }
  
              if (GetDistance(newLine.StartPoint, newLine.EndPoint) > RADIUS_CURVER_LINE)
              {
                  AddNode(endPoint, gGrpYellowNode);
              }

          }
  
          /// <summary>
          /// Init data for draw route
          /// </summary>
          private void InitDrawRoute()
          {

              //2017/03/04 NAM ADD START
              pNewLine.Stroke = new SolidColorBrush(Colors.Red);
              pNewLine.StrokeThickness = STROKE_LINE;
              pNewLine.Data = gGrpNewLine;
              //2017/03/04 NAM ADD END
  
              pScheduleLine.Stroke = new SolidColorBrush(Colors.Red);
              pScheduleLine.StrokeThickness = STROKE_LINE;
              pScheduleLine.Data = gGrpScheduleLine;

              // Setting for path line
              pLine.Stroke = new SolidColorBrush(Colors.Blue);
              pLine.StrokeThickness = STROKE_LINE;
              pLine.Data = gGrpLine;
  
              // Setting for path of curver line
              pCurverLine.Stroke = Brushes.Red;
              pCurverLine.StrokeThickness = STROKE_LINE;
              pCurverLine.Data = gGrpCurverLine;
  
              // Setting for path of red node
              pRedNode.Stroke = new SolidColorBrush(Colors.Blue);
              pRedNode.Fill = new SolidColorBrush(Colors.Red);
              pRedNode.StrokeThickness = STROKE_NODE;
              pRedNode.Data = gGrpRedNode;
  
              // Setting for path of yellow node
              pYellowNode.Stroke = new SolidColorBrush(Colors.Blue);
              pYellowNode.Fill = new SolidColorBrush(Colors.Yellow);
              pYellowNode.StrokeThickness = STROKE_NODE;
              pYellowNode.Data = gGrpYellowNode;
  
              // Setting for path of Blue node
              pBlueNode.Stroke = new SolidColorBrush(Colors.Blue);
              pBlueNode.Fill = new SolidColorBrush(Colors.LightBlue);
              pBlueNode.StrokeThickness = STROKE_NODE;
              pBlueNode.Data = gGrpBlueNode;

              // Add paths to canvas
              this.Children.Add(pLine);
              this.Children.Add(pCurverLine);
              this.Children.Add(pRedNode);
              this.Children.Add(pYellowNode);

              this.Children.Add(pNewLine);

              scheduleCanvas.Children.Add(pScheduleLine);

          }
  
          /// <summary>
          /// Clear all route
          /// </summary>
          public void ClearRoute()
          {
              isStartDrawRoute = false;
              isGoalDrawRoute = false;
  
              gGrpLine.Children.Clear();
              gGrpRootLine.Children.Clear();
              gGrpCurverLine.Children.Clear();
              gGrpRedNode.Children.Clear();
              gGrpYellowNode.Children.Clear();
              gGrpBlueNode.Children.Clear();
  
              this.Children.Remove(pLine);
              this.Children.Remove(pRootLine);
              this.Children.Remove(pCurverLine);
              this.Children.Remove(pRedNode);
              this.Children.Remove(pYellowNode);
              this.Children.Remove(pBlueNode);
          }
  
          /// <summary>
          /// Draw line for route
          /// </summary>
          /// <param name="startPoint">Start point</param>
          /// <param name="endPoint">End point</param>
          /// <param name="geometryGroup">Geometry Group</param>
          private void DrawLine(Point startPoint, Point endPoint, GeometryGroup geometryGroup)
          {
              LineGeometry lineGeometry = new LineGeometry();
              lineGeometry.StartPoint = startPoint;
              lineGeometry.EndPoint = endPoint;
              geometryGroup.Children.Add(lineGeometry);
          }
  
          /// <summary>
          /// Draw curver line
          /// </summary>
          /// <param name="startPoint">Point start curver line</param>
          /// <param name="endPoint">Point end curver line</param>
          /// <param name="radius">Radius</param>
          /// <param name="geometryGroup">Geometry Group</param>
          private void DrawCurverLine(Point startPoint, Point endPoint, SweepDirection sweepDirection, GeometryGroup geometryGroup)
          {
              PathGeometry pathGeometry = new PathGeometry();
              PathFigure figure = new PathFigure();
              figure.StartPoint = startPoint;
              figure.Segments.Add(new ArcSegment(endPoint, new Size(RADIUS_CURVER_LINE, RADIUS_CURVER_LINE), 90, false, sweepDirection, true));
              pathGeometry.Figures.Add(figure);
              geometryGroup.Children.Add(pathGeometry);
          }
  
          /// <summary>
          /// Setting node
          /// </summary>
          /// <param name="centerPoit">Position of center node</param>
          /// <param name="geometryGroup">Geometry Group</param>
          private void AddNode(Point centerPoit, GeometryGroup geometryGroup)
          {
              double radius = RADIUS_NODE;
              geometryGroup.Children.Add(new EllipseGeometry(centerPoit, radius, radius));
          }
  
          /// <summary>
          /// Check line is vertical or horizontal
          /// </summary>
          /// <param name="line"></param>
          /// <returns>true:Vertical, false:Horizontal</returns>
          private bool IsVerticalLine(LineGeometry line)
          {
              if (line.StartPoint.X == line.EndPoint.X)
              {
                  // Vertical line
                  return true;
              }
  
              // Horizontal line
              return false;
          }
  
          /// <summary>
          /// Get distance between two point
          /// </summary>
          /// <param name="point1">Point 1</param>
          /// <param name="point2">Point 2</param>
          /// <returns>Distance between two point</returns>
          private double GetDistance(Point point1, Point point2)
          {
              //pythagorean theorem c^2 = a^2 + b^2
              //thus c = square root(a^2 + b^2)
              double a = (double)(point2.X - point1.X);
              double b = (double)(point2.Y - point1.Y);
  
              return Math.Sqrt(a * a + b * b);
          }
  
          /// <summary>
          /// Check point is valid for draw
          /// </summary>
          /// <param name="point">Poit need check</param>
          /// <returns>true:Valid, false:Invalid</returns>
          private bool IsValidPoint(Point point)
          {
              return true;
          }
  
          /// <summary>
          /// Display coordinate position
          /// </summary>
          /// <param name="point">Position to display</param>
          private void DisplayCoordinate(Point point)
          {
              if (_displayAxiPosition == null)
              {
                  _displayAxiPosition = new ucDisplayCoordinate();
                  this.Children.Add(_displayAxiPosition);
              }
              _displayAxiPosition.Display(point);
          }
  
          #endregion
  
          #region Functions for Set Auto Nodes
  
          /// <summary>
          /// SetAutoNodes
          /// </summary>
          public void SetAutoNodes()
          {
              double radiusStart = DISTANCE_START_NODES;
              double radiusEnd = DISTANCE_END_NODES;
              double radiusCurver = RADIUS_CURVER_LINE;
  
              Point startNode;
              Point endNode;
  
              gGrpBlueNode.Children.Clear();
  
              if (gGrpLine.Children.Count == 1)
                  radiusCurver = radiusEnd;
  
              if (gGrpLine.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpLine.Children.Count; i++)
                  {
                      LineGeometry lineGeometry = (LineGeometry)gGrpLine.Children[i];
                      if (i == 0)
                      {
                          startNode = lineGeometry.EndPoint;
                          endNode = lineGeometry.StartPoint;
                          DrawAutoNodes(startNode, endNode, radiusCurver, radiusStart);
                      }
                      else if (i == gGrpLine.Children.Count - 1 && i > 0)
                      {
                          startNode = lineGeometry.StartPoint;
                          endNode = lineGeometry.EndPoint;
                          DrawAutoNodes(startNode, endNode, radiusCurver, radiusEnd);
                      }
                      else
                      {
                          startNode = lineGeometry.StartPoint;
                          endNode = lineGeometry.EndPoint;
                          DrawAutoNodes(startNode, endNode, radiusCurver, radiusCurver);
                      }
                  }
              }
          }

          /// <summary>
          /// DrawAutoNodes
          /// </summary>
          /// <param name="startNode"></param>
          /// <param name="endNode"></param>
          /// <param name="radiusStart"></param>
          /// <param name="radiusEnd"></param>
          private void DrawAutoNodes(Point startNode, Point endNode, double radiusStart, double radiusEnd)
          {
              double distance = DISTANCE_AUTO_NODES;
              double i;
  
              Point node;
  
              // Get postion of blue node on line
              if (startNode.X == endNode.X)
              {
                  if (startNode.Y > endNode.Y)
                  {
                      i = startNode.Y - radiusStart;
                      if (i - distance > endNode.Y + radiusEnd)
                      {
                          do
                          {
                              i = i - distance;
                              node = new Point(endNode.X, i);
                              // Add node to postion distance 1000mm
                              AddNode(node, gGrpBlueNode);
  
                          } while (i > endNode.Y + radiusEnd + distance);
                      }
                  }
                  else
                  {
                      i = startNode.Y + radiusStart;
                      if (i + distance < endNode.Y - radiusEnd)
                      {
                          do
                          {
                              i = i + distance;
                              node = new Point(endNode.X, i);
                              // Add node to postion distance 1000mm
                              AddNode(node, gGrpBlueNode);
                          } while (i < endNode.Y - radiusEnd - distance);
                      }
                  }
              }
              else
              {
                  if (startNode.X > endNode.X)
                  {
                      i = startNode.X - radiusStart;
                      if (i - distance > endNode.X + radiusEnd)
                      {
                          do
                          {
                              i = i - distance;
                              node = new Point(i, endNode.Y);
                              // Add node to postion distance 1000mm
                              AddNode(node, gGrpBlueNode);
                          } while (i > endNode.X + radiusEnd + distance);
                      }
                  }
                  else
                  {
                      i = startNode.X + radiusStart;
                      if (i + distance < endNode.X - radiusEnd)
                      {
                          do
                          {
                              i = i + distance;
                              node = new Point(i, endNode.Y);
                              // Add node to postion distance 1000mm
                              AddNode(node, gGrpBlueNode);
                          } while (i < endNode.X - radiusEnd - distance);
                      }
                  }
              }
  
          }
  
          #endregion
  
          #region Functions for Set Free Nodes
          /// <summary>
          /// Draw Auto Blue node
          /// </summary>

          public void SetFreeNodes(Point FreeNode, bool RightClick)
          {
              double radiusStart = DISTANCE_START_NODES;
              double radiusEnd = DISTANCE_END_NODES;
              double radiusNode = RADIUS_NODE;
              double radiusCurver = RADIUS_CURVER_LINE + RADIUS_NODE;
  
              EllipseGeometry ellipseGeometry;
              Point node;
              bool deleteFlag = false;

  
              if (RightClick)
              {
                  if (gGrpBlueNode.Children.Count > 0)
                  {
                      for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                      {
                          ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                          node = ellipseGeometry.Center;
                          if (FreeNode.X == node.X)
                          {
                              if (CheckIsNode(FreeNode, node, radiusNode))
                              {
                                  deleteFlag = true;
                              }
                          }
                          else
                          {
                              if (CheckIsNode(FreeNode, node, radiusNode))
                              {
                                  deleteFlag = true;
                              }
                          }
                          if (deleteFlag)
                          {
                              MessageBoxResult result = MessageBox.Show("Do You Delete This Node?", "Delete Node", MessageBoxButton.OKCancel);
                              if (result == MessageBoxResult.OK)
                              {
                                  gGrpBlueNode.Children.RemoveAt(i);

  
                                  this.Children.Remove(NodeNo[i]);

                                  return;
                              }
                              else
                              {
                                  return;
                              }
                          }
                      }
                  }
              }

              else
              {
  
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node = ellipseGeometry.Center;
                      bool isEditNode = CheckIsNode(FreeNode, node, RADIUS_NODE);
  
                      if (isEditNode)
                      {
                          EditNode(node);
                          return;
                      }
                  }
  
  
                  MessageBoxResult result = MessageBox.Show("Do You Want To Add This Node?", "Add Node", MessageBoxButton.OKCancel);
                  if (result == MessageBoxResult.OK)
                  {
                      AddNode(FreeNode, gGrpBlueNode);
  
                      TextBlock textBlock = new TextBlock();
                      textBlock.Text = stt.ToString();
                      textBlock.FontSize = 17;
                      textBlock.Foreground = new SolidColorBrush(Colors.Red);
                      Canvas.SetLeft(textBlock, FreeNode.X - RADIUS_NODE / 2);
                      Canvas.SetTop(textBlock, FreeNode.Y - 1.5 * RADIUS_NODE);
  
                      this.Children.Add(textBlock);
                      NodeNo.Add(textBlock);
  
                      if (stt > 1)
                      {
                          int tmp = gGrpBlueNode.Children.Count;
  
                          EllipseGeometry elip = (EllipseGeometry)gGrpBlueNode.Children[tmp - 2];
                          Point node1 = elip.Center;
                          elip = (EllipseGeometry)gGrpBlueNode.Children[tmp - 1];
                          Point node2 = elip.Center;
                          DrawLine(node1, node2, gGrpCurverLine);
                      }
  
  
                      stt++;
                  }
              }

              if (gGrpLine.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpLine.Children.Count; i++)
                  {
                      LineGeometry lineGeometry = (LineGeometry)gGrpLine.Children[i];
  
                      // Get postion of  node on line
                      if (IsVerticalLine(lineGeometry))
                      {
                          if (FreeNode.X < lineGeometry.EndPoint.X + radiusNode && FreeNode.X > lineGeometry.EndPoint.X - radiusNode)
                          {
                              FreeNode.X = lineGeometry.EndPoint.X;
  
                              if (i == 0)
                              {
                                  if (CheckFreeNodes(lineGeometry, FreeNode, radiusStart, radiusCurver))
                                  {
  
                                      AddNode(FreeNode, gGrpBlueNode);
                                  }
                              }
                              else if (i == gGrpLine.Children.Count - 1 && i > 0)
                              {
                                  if (CheckFreeNodes(lineGeometry, FreeNode, radiusCurver, radiusEnd))
                                  {
  
                                      AddNode(FreeNode, gGrpBlueNode);
                                  }
                              }
                              else
                              {
                                  if (CheckFreeNodes(lineGeometry, FreeNode, radiusCurver, radiusCurver))
                                  {
  
                                      AddNode(FreeNode, gGrpBlueNode);
                                  }
                              }
  
                          }
                      }
                      else
                      {
                          if (FreeNode.Y < lineGeometry.EndPoint.Y + radiusNode && FreeNode.Y > lineGeometry.EndPoint.Y - radiusNode)
                          {
                              FreeNode.Y = lineGeometry.EndPoint.Y;
                              if (i == 0)
                              {
                                  if (CheckFreeNodes(lineGeometry, FreeNode, radiusStart, radiusCurver))
                                  {
  
                                      AddNode(FreeNode, gGrpBlueNode);
                                  }
                              }
                              else if (i == gGrpLine.Children.Count - 1 && i > 0)
                              {
                                  if (CheckFreeNodes(lineGeometry, FreeNode, radiusCurver, radiusEnd))
                                  {
  
                                      AddNode(FreeNode, gGrpBlueNode);
                                  }
                              }
                              else
                              {
                                  if (CheckFreeNodes(lineGeometry, FreeNode, radiusCurver, radiusCurver))
                                  {
  
                                      AddNode(FreeNode, gGrpBlueNode);
                                  }
                              }
  
                          }
                      }
                  }
              }
          }
  
  
          public bool CheckFreeNodes(LineGeometry lineNode, Point Freenode, double radiusStart, double radiusEnd)
          {
  
              double distanceFreeNode = DISTANCE_FREE_NODES;
              double radiusNode = RADIUS_NODE;
              EllipseGeometry ellipseGeometry;
              Point node;
  
              if (IsVerticalLine(lineNode))
              {
                  if (lineNode.StartPoint.Y < lineNode.EndPoint.Y)
                  {
                      if (Freenode.Y < lineNode.StartPoint.Y + radiusStart || Freenode.Y > lineNode.EndPoint.Y - radiusEnd)
                      {
                          return false;
                      }
                  }
                  else
                  {
                      if (Freenode.Y > lineNode.StartPoint.Y - radiusStart || Freenode.Y < lineNode.EndPoint.Y + radiusEnd)
                      {
                          return false;
                      }
                  }
              }
              else
              {
                  if (lineNode.StartPoint.X < lineNode.EndPoint.X)
                  {
                      if (Freenode.X < lineNode.StartPoint.X + radiusStart || Freenode.X > lineNode.EndPoint.X - radiusEnd)
                      {
                          return false;
                      }
                  }
                  else
                  {
                      if (Freenode.X > lineNode.StartPoint.X - radiusStart || Freenode.X < lineNode.EndPoint.X + radiusEnd)
                      {
                          return false;
                      }
                  }
              }
  
              if (gGrpBlueNode.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node = ellipseGeometry.Center;
                      if (Freenode.X == node.X)
                      {
                          if (CheckIsNode(Freenode, node, radiusNode))
                          {
                              return false;
                          }
                          else if (Freenode.Y < node.Y + distanceFreeNode && Freenode.Y > node.Y - distanceFreeNode)
                          {
                              return false;
                          }
                      }
                      else if (Freenode.Y == node.Y)
                      {
                          if (CheckIsNode(Freenode, node, radiusNode))
                          {
                              return false;
                          }
                          else if (Freenode.X < node.X + distanceFreeNode && Freenode.X > node.X - distanceFreeNode)
                          {
                              return false;
                          }
                      }
                  }
              }
  
              return true;
          }
  
          public bool CheckIsNode(Point FreeNode, Point Node, double radiusNode)
          {
              if (FreeNode.X < Node.X + radiusNode && FreeNode.X > Node.X - radiusNode && FreeNode.Y < Node.Y + radiusNode && FreeNode.Y > Node.Y - radiusNode)
              {
                  return true;
              }
              return false;
          }
  
          #endregion
  
          #region Edit Node

          public void InitNodeInfo_List()

          {
              //Reset List
              NodeInfo_List = new List<NodeInfo>();

              if (gGrpBlueNode.Children.Count > 0)

              {
                  // Get start point

                  LineGeometry lineGeometry = (LineGeometry)gGrpNewLine.Children[0];
                  Point startPoint = lineGeometry.StartPoint;

  
                  NodeInfo n1 = new NodeInfo();
                  n1.X = startPoint.X;
                  n1.Y = startPoint.Y;
                  n1.Mode1 = "";
                  n1.Mode2 = "";
                  n1.Mode3 = "";
                  NodeInfo_List.Add(n1);
  
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      Point point;
                      EllipseGeometry eGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      point = eGeometry.Center;

                      NodeInfo Ninfo = new NodeInfo();
                      Ninfo.X = point.X;
                      Ninfo.Y = point.Y;
  
                      Ninfo.Mode1 = "";
                      Ninfo.Mode2 = "";
                      Ninfo.Mode3 = "";
  
                      NodeInfo_List.Add(Ninfo);
                  }
  
                  // Get end point

                  lineGeometry = (LineGeometry)gGrpLine.Children[gGrpLine.Children.Count - 1];

                  Point endPoint = lineGeometry.EndPoint;

                  NodeInfo n2 = new NodeInfo();
                  n2.X = startPoint.X;
                  n2.Y = startPoint.Y;
                  n2.Mode1 = "";
                  n2.Mode2 = "";
                  n2.Mode3 = "";
                  NodeInfo_List.Add(n2);

                  //Resort NodeInfo_List From Start to Goal

                  LineGeometry firstLine = (LineGeometry)gGrpLine.Children[0];

                  Point startNode = firstLine.StartPoint;
                  Point endNode = firstLine.EndPoint;
  
  
                  List<NodeInfo> tmpLst = new List<NodeInfo>();
  
                  // Create temp List

                  if (startNode.X == endNode.X)

                  {
                      for (int i = 1; i < NodeInfo_List.Count; i++)
                      {
                          if (NodeInfo_List[i].X != endNode.X)
                          {
                              break;
                          }
                          else
                          {
                              tmpLst.Add(NodeInfo_List[i]);
                          }
                      }
                  }
  
                  if (startNode.Y == endNode.Y)
                  {
                      for (int i = 1; i < NodeInfo_List.Count; i++)
                      {
                          if (NodeInfo_List[i].Y != endNode.Y)
                          {
                              break;
                          }
                          else
                          {
                              tmpLst.Add(NodeInfo_List[i]);
                          }
                      }
                  }
  
                  // Sort NodeInfo_List

                  for (int i = 0; i < tmpLst.Count; i++)

                  {

                      NodeInfo_List[i + 1] = tmpLst[tmpLst.Count - 1 - i];

                  }

              }
          }

          public void EditNode(Point node_edited)
          {
              EllipseGeometry ellipseGeometry;
              Point node;
              double radiusNode = RADIUS_NODE;
  
              bool flag = false;

              if (gGrpBlueNode.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node = ellipseGeometry.Center;

                      if (CheckIsNode(node_edited, node, radiusNode))
                      {
                          flag = true;
                      }
  
                      if (flag)
                      {
                          node_edited.X = node.X;
                          node_edited.Y = node.Y;
  
                          // show form edit node
                          EditNodeWindow edtNodeWindow = new EditNodeWindow();
                          edtNodeWindow.ShowDialog();
  
                          string result1 = edtNodeWindow._txtMode1;
                          string result2 = edtNodeWindow._txtMode2;
                          string result3 = edtNodeWindow._txtMode3;
                          bool exit = edtNodeWindow._ExitFlg;
  
                          if (!exit) {
                              SaveChanged(node_edited.X, node_edited.Y, result1, result2, result3);
                          }

                          return;
                      }
                  }
              }
          }
  
          public void SaveChanged(double x, double y, string st1, string st2, string st3)
          {

              for (int i = 0; i < NodeInfo_List.Count; i++)

              {
                  NodeInfo ni = new NodeInfo();
                  ni = NodeInfo_List[i];
  
                  if (ni.X == x && ni.Y == y)
                  {

                      ni.Mode1 = st1;
                      ni.Mode2 = st2;
                      ni.Mode3 = st3;
  
                      NodeInfo_List[i] = ni;
                      return;
                  }
              }
          }

          #endregion
  
          #region Display RouteInfo

          public void DspRouteInfo()
          {
              //Clear Route Info Table

              ((RoboforkMenu)System.Windows.Application.Current.MainWindow).grdRouteInfo.Children.Clear();
  
              if (NodeInfo_List.Count != 0)
              {

                  int _RowIdx = 0;
                  string _Content = "";

                  for (int i = 0; i < NodeInfo_List.Count; i++)
                  {

  
                      NodeInfo ni = new NodeInfo();
                      ni = NodeInfo_List[i];

                      //column 1
                      if (i == 0)

                      {
                          _Content = "S";
                      }

                      else if (i == NodeInfo_List.Count - 1)

                      {
                          _Content = "G";
                      }

                      else

                      {
                          _Content = i.ToString();

                      }
                      AddLabeltoGrid(_RowIdx, 0, _Content);
  
                      //column 2
                      // Display Node's Position
                      _Content = ni.X + ", " + ni.Y;
                      AddLabeltoGrid(_RowIdx, 1, _Content);
  
                      // Display Node's Field
                      if (ni.Mode1 != "" && ni.Mode1 != null)
                      {
                          char delimiterChars = '_';
                          string[] tmp = ni.Mode1.Split(delimiterChars);
                          foreach (string s in tmp)
                          {
                              _RowIdx++;
                              delimiterChars = ':';
  
                              if (s.Split(delimiterChars)[0] == "Mode")
                              {
                                  double distance = 0;
                                  if (i == NodeInfo_List.Count - 1)
                                  {
                                      distance = 0;
                                  }
                                  else
                                  {
                                      distance = DistanceCalculate(NodeInfo_List[i].X, NodeInfo_List[i].Y, NodeInfo_List[i + 1].X, NodeInfo_List[i + 1].Y);
                                  }
                                  _Content = "MOVE " + distance.ToString() + "mm";
                              }
                              else
                              {
                                  _Content = s.Split(delimiterChars)[0] + " " + s.Split(delimiterChars)[1];
                              }
  
                              AddLabeltoGrid(_RowIdx, 1, _Content);
                          }
                      }
  
                      if (ni.Mode2 != "" && ni.Mode2 != null)
                      {
                          char delimiterChars = '_';
                          string[] tmp = ni.Mode2.Split(delimiterChars);
                          foreach (string s in tmp)
                          {
                              _RowIdx++;
                              delimiterChars = ':';
  
                              if (s.Split(delimiterChars)[0] == "Mode")
                              {
                                  double distance = 0;
                                  if (i == NodeInfo_List.Count - 1)
                                  {
                                      distance = 0;
                                  }
                                  else
                                  {
                                      distance = DistanceCalculate(NodeInfo_List[i].X, NodeInfo_List[i].Y, NodeInfo_List[i + 1].X, NodeInfo_List[i + 1].Y);
                                  }
                                  _Content = "MOVE " + distance.ToString() + "mm";
                              }
                              else
                              {
                                  _Content = s.Split(delimiterChars)[0] + " " + s.Split(delimiterChars)[1];
                              }
  
                              AddLabeltoGrid(_RowIdx, 1, _Content);
                          }
                      }
  
                      if (ni.Mode3 != "" && ni.Mode3 != null)
                      {
                          char delimiterChars = '_';
                          string[] tmp = ni.Mode3.Split(delimiterChars);
                          foreach (string s in tmp)
                          {
                              _RowIdx++;
                              delimiterChars = ':';
  
                              if (s.Split(delimiterChars)[0] == "Mode")
                              {
                                  double distance = 0;
                                  if (i == NodeInfo_List.Count - 1)
                                  {
                                      distance = 0;
                                  }
                                  else
                                  {
                                      distance = DistanceCalculate(NodeInfo_List[i].X, NodeInfo_List[i].Y, NodeInfo_List[i + 1].X, NodeInfo_List[i + 1].Y);
                                  }
                                  _Content = "MOVE " + distance.ToString() + "mm";
                              }
                              else
                              {
                                  _Content = s.Split(delimiterChars)[0] + " " + s.Split(delimiterChars)[1];
                              }

                              AddLabeltoGrid(_RowIdx, 1, _Content);
                          }
                      }

                      _RowIdx++;

                  }
              }
          }
  
          public double DistanceCalculate(double _X1, double _Y1, double _X2, double _Y2)
          {
              double dist = 0;
  
              if (_X1 == _X2)
              {
                  dist = System.Math.Abs(_Y1 - _Y2) * DISTANCE_RATIO;
              }
              else if (_Y1 == _Y2)
              {
                  dist = System.Math.Abs(_X1 - _X2) * DISTANCE_RATIO;
              }
              return dist;
          }
  
          public void AddLabeltoGrid(int RowIdx, int ColIdx, string Content)
          {
              //Add Row to Grid
              RowDefinition _rd = new RowDefinition();

              ((RoboforkMenu)System.Windows.Application.Current.MainWindow).grdRouteInfo.RowDefinitions.Add(_rd);

              // Add data to Grid
              Label dynamicLabel = new Label();
  
              dynamicLabel.Content = Content;
              dynamicLabel.Margin = new Thickness(0, 0, 0, 0);
              dynamicLabel.Foreground = new SolidColorBrush(Colors.Black);
              dynamicLabel.Background = new SolidColorBrush(Colors.White);
              dynamicLabel.BorderBrush = new SolidColorBrush(Colors.LightGray);
              dynamicLabel.BorderThickness = new Thickness(1);
  
              Grid.SetRow(dynamicLabel, RowIdx);
              Grid.SetColumn(dynamicLabel, ColIdx);

              ((RoboforkMenu)System.Windows.Application.Current.MainWindow).grdRouteInfo.Children.Add(dynamicLabel);

          }
          #endregion
  
  
          public void CreateGoalPoint()
          {

              if (isGoalDrawRoute)
              {
                  return;
              }

              isStartDrawRoute = false;
              if (_goalPoint == null)
              {
                  _goalPoint = new ucStartEndButton();
                  _goalPoint.btnWidth = 50.0;
                  _goalPoint.btnHeight = 50.0;
                  _goalPoint.buttText = "G";
                  Canvas.SetLeft(_goalPoint, 675);
                  Canvas.SetTop(_goalPoint, 75);
                  this.Children.Add(_goalPoint);
              }
          }
  
          public void CreateStartPoint()
          {

              if (isGoalDrawRoute)
              {
                  return;
              }

              isStartDrawRoute = false;
              if (_startPoint == null)
              {
                  _startPoint = new ucStartEndButton();
                  _startPoint.btnWidth = 50.0;
                  _startPoint.btnHeight = 50.0;
                  _startPoint.buttText = "S";
                  Canvas.SetLeft(_startPoint, 75);
                  Canvas.SetTop(_startPoint, 675);
                  this.Children.Add(_startPoint);
              }
          }

          #region Draw New FreeNode
  
          /// <summary>
          /// Draw Auto Blue node
          /// </summary>

          public void NewSetFreeNodes(Point FreeNode, bool RightClick)
          {
              double radiusNode = RADIUS_NODE;
  
              EllipseGeometry ellipseGeometry;
              Point node;
              bool deleteFlag = false;
  
  
              if (RightClick)
              {
                  if (gGrpBlueNode.Children.Count > 0)
                  {
                      for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                      {
                          ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                          node = ellipseGeometry.Center;
                          if (FreeNode.X == node.X)
                          {
                              if (CheckIsNode(FreeNode, node, radiusNode))
                              {
                                  deleteFlag = true;
                              }
                          }
                          else
                          {
                              if (CheckIsNode(FreeNode, node, radiusNode))
                              {
                                  deleteFlag = true;
                              }
                          }
                          if (deleteFlag)
                          {
                              MessageBoxResult result = MessageBox.Show("Do You Delete This Node?", "Delete Node", MessageBoxButton.OKCancel);
                              if (result == MessageBoxResult.OK)
                              {

                                  //Call Function Delete Node
                                  DeleteNode(i);

                                  return;
                              }
                              else
                              {
                                  return;
                              }
                          }
                      }
                  }
              }
              else
              {
                  //Check EditNode State
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node = ellipseGeometry.Center;
                      bool isEditNode = CheckIsNode(FreeNode, node, RADIUS_NODE);
  
                      if (isEditNode)
                      {
                          NewEditNode(node);
                          NewDspRouteInfo();
                          return;
                      }
                  }
  
  
                  MessageBoxResult result = MessageBox.Show("Do You Want To Add This Node?", "Add Node", MessageBoxButton.OKCancel);
                  if (result == MessageBoxResult.OK)
                  {
                      AddNode(FreeNode, gGrpBlueNode);
  
                      TextBlock textBlock = new TextBlock();
                      textBlock.Text = stt.ToString();
                      textBlock.FontSize = 35;
                      textBlock.VerticalAlignment = VerticalAlignment.Center;
                      textBlock.HorizontalAlignment = HorizontalAlignment.Center;
                      textBlock.Foreground = new SolidColorBrush(Colors.Red);
  
                      Canvas.SetLeft(textBlock, FreeNode.X - RADIUS_NODE / 2);
                      Canvas.SetTop(textBlock, FreeNode.Y - 1.5 * RADIUS_NODE);
  
  
                      this.Children.Add(textBlock);
                      NodeNo.Add(textBlock);
  
                      if (stt > 1)
                      {
                          int tmp = gGrpBlueNode.Children.Count;
  
                          EllipseGeometry elip = (EllipseGeometry)gGrpBlueNode.Children[tmp - 2];
                          Point node1 = elip.Center;
                          elip = (EllipseGeometry)gGrpBlueNode.Children[tmp - 1];
                          Point node2 = elip.Center;
                          DrawLine(node1, node2, gGrpNewLine);
  
  
                          this.Children.Remove(pBlueNode);
                          for (int i = 0; i < tmp; i++)
                          {
                              this.Children.Remove(NodeNo[i]);
                          }
  
                          this.Children.Add(pBlueNode);
                          for (int i = 0; i < tmp; i++)
                          {
                              this.Children.Add(NodeNo[i]);
                          }
                      }
  
                      stt++;
                      NewInitNodeInfo_List();
                      NewDspRouteInfo();
                  }
              }
          }
  
          public void DeleteNode(int i)
          {

              //DrawLine(Point startPoint, Point endPoint, GeometryGroup geometryGroup)

              LineGeometry lineGeometry = new LineGeometry();
              EllipseGeometry ellip;

              //check delete last node

              if (i == gGrpBlueNode.Children.Count - 1)
              {

                  // delete line

                  if (gGrpNewLine.Children.Count > 0)
                  {

                      gGrpNewLine.Children.RemoveAt(i - 1);

                  }

                  // delete ucNode

                  ucNode _ucNode = new ucNode();
                  _ucNode = ucNode_Lst[i];
                  this.Children.Remove(_ucNode);
                  ucNode_Lst.RemoveAt(i);

                  // delete node

                  gGrpBlueNode.Children.RemoveAt(i);

                  NewNodeInfo_List.RemoveAt(i);

  
              }
              else
              {

                  //delete all line and remove Point at 'i' 
                  gGrpNewLine.Children.Clear();
                  this.Children.Remove(pNewLine);
                  gGrpBlueNode.Children.RemoveAt(i);

                  //redraw line

                  for (int j = 0; j < gGrpBlueNode.Children.Count - 1; j++)

                  {
                      ellip = (EllipseGeometry)gGrpBlueNode.Children[j];
                      Point node1 = ellip.Center;

                      ellip = (EllipseGeometry)gGrpBlueNode.Children[j + 1];

                      Point node2 = ellip.Center;
                      DrawLine(node1, node2, gGrpNewLine);
                  }

                  this.Children.Add(pNewLine);

                  //remove ucNode
                  for (int j = ucNode_Lst.Count - 1; j > i; j--)
                  {
                      ucNode_Lst[j].txtNode = ucNode_Lst[j - 1].txtNode;
                  }
                  this.Children.Remove(ucNode_Lst[i]);
                  ucNode_Lst.RemoveAt(i);

                  //redraw ucNode
                  for (int k = 0; k < ucNode_Lst.Count; k++)
                  {
                      this.Children.Remove(ucNode_Lst[k]);
                      this.Children.Add(ucNode_Lst[k]);
                  }

              }

              //NewInitNodeInfo_List();

              NewDspRouteInfo();

              stt--;

          }

          public void ReDrawAllNode()
          {
              LineGeometry lineGeometry = new LineGeometry();
              EllipseGeometry ellip;
              //delete all line
              gGrpNewLine.Children.Clear();
              this.Children.Remove(pNewLine);
  
              //redraw line

              for (int j = 0; j < gGrpBlueNode.Children.Count - 1; j++)

              {
                  ellip = (EllipseGeometry)gGrpBlueNode.Children[j];
                  Point node1 = ellip.Center;

                  ellip = (EllipseGeometry)gGrpBlueNode.Children[j + 1];

                  Point node2 = ellip.Center;
                  DrawLine(node1, node2, gGrpNewLine);
              }
  
              this.Children.Add(pNewLine);

              //redraw ucNode
              for (int k = 0; k < ucNode_Lst.Count; k++)
              {
                  this.Children.Remove(ucNode_Lst[k]);
                  this.Children.Add(ucNode_Lst[k]);
              }

              //backup DB
              CreateVehicleNode();
          }

  
  
          public void NewInitNodeInfo_List()
          {
              //Reset List
              //NewNodeInfo_List = new List<NewNodeInfo>();
  
              if (gGrpBlueNode.Children.Count > 0)
              {
                  //for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  //{

                  int i = gGrpBlueNode.Children.Count - 1;
                  Point point;
                  EllipseGeometry eGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                  point = eGeometry.Center;

                  NewNodeInfo Ninfo = new NewNodeInfo();
                  Ninfo.X = point.X;
                  Ninfo.Y = point.Y;

                  Ninfo.Mode = "";

                  NewNodeInfo_List.Add(Ninfo);

                  //}
  
              }
          }
  
          public void NewEditNode(Point node_edited)
          {
              EllipseGeometry ellipseGeometry;
              Point node;
              double radiusNode = RADIUS_NODE;
  
              bool flag = false;
  
              if (gGrpBlueNode.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node = ellipseGeometry.Center;
  
                      if (CheckIsNode(node_edited, node, radiusNode))
                      {
                          flag = true;
                      }
  
                      if (flag)
                      {
                          node_edited.X = node.X;
                          node_edited.Y = node.Y;
  
                          // show form edit node
                          EditNodeWindow edtNodeWindow = new EditNodeWindow();
                          edtNodeWindow.ShowDialog();
  
                          string result = edtNodeWindow._txtMode;
                          bool exit = edtNodeWindow._ExitFlg;
  
                          if (!exit)
                          {
                              NewSaveChanged(node_edited.X, node_edited.Y, result);
                          }
  
                          return;
                      }
                  }
              }
          }
  
          //Save Node's Data Edited
          public void NewSaveChanged(double x, double y, string st)
          {
              for (int i = 0; i < NewNodeInfo_List.Count; i++)
              {
                  NewNodeInfo ni = new NewNodeInfo();
                  ni = NewNodeInfo_List[i];
  
                  if (ni.X == x && ni.Y == y)
                  {
                      ni.Mode = st;
  
                      NewNodeInfo_List[i] = ni;
                      return;
                  }
              }
          }
  
          public void NewDspRouteInfo()
          {
              //Clear Route Info Table
              ((RoboforkMenu)System.Windows.Application.Current.MainWindow).grdRouteInfo.Children.Clear();
  
              if (NewNodeInfo_List.Count != 0)
              {
                  int _RowIdx = 0;
                  string _Content = "";
  
                  for (int i = 0; i < NewNodeInfo_List.Count; i++)
                  {
  
                      NewNodeInfo ni = new NewNodeInfo();
                      ni = NewNodeInfo_List[i];
  
                      //column 1

                      _Content = (i + 1).ToString();

                      AddLabeltoGrid(_RowIdx, 0, _Content);
  
                      //column 2
                      // Display Node's Position
                      _Content = "LAT " + ni.X;
                      AddLabeltoGrid(_RowIdx, 1, _Content);
                      _RowIdx++;
  
                      _Content = "LOC " + ni.Y;
                      AddLabeltoGrid(_RowIdx, 1, _Content);
  
                      // Display Node's Field
                      if (ni.Mode != "" && ni.Mode != null)
                      {
                          char delimiterChars = '_';
                          string[] tmp = ni.Mode.Split(delimiterChars);
                          foreach (string s in tmp)
                          {
                              _RowIdx++;
                              delimiterChars = ':';
  
                              if (s.Split(delimiterChars)[0] == "Speed")
                              {
                                  _Content = "SPD " + s.Split(delimiterChars)[1];
                                  AddLabeltoGrid(_RowIdx, 1, _Content);
                              }
                          }
                      }
                      _RowIdx++;
                  }
              }
          }

          //2017/03/07 tach rieng CreateNode start
          private void execDeleteNode(Point FreeNode)
          {
  
              double radiusNode = RADIUS_NODE;
  
              EllipseGeometry ellipseGeometry;
              Point node;
              bool deleteFlag = false;
  
              if (gGrpBlueNode.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node = ellipseGeometry.Center;
                      if (FreeNode.X == node.X)
                      {
                          if (CheckIsNode(FreeNode, node, radiusNode))
                          {
                              deleteFlag = true;
                          }
                      }
                      else
                      {
                          if (CheckIsNode(FreeNode, node, radiusNode))
                          {
                              deleteFlag = true;
                          }
                      }
                      if (deleteFlag)
                      {
                          MessageBoxResult result = MessageBox.Show("Do You Delete This Node?", "Delete Node", MessageBoxButton.OKCancel);
                          if (result == MessageBoxResult.OK)
                          {
                              DeleteNode(i);
                              SetScheduleRoute();
  
                              return;
                          }
                          else
                          {
                              return;
                          }
                      }
                  }
              }
          }
  
  
          private void execEditNode(Point FreeNode)
          {
              EllipseGeometry ellipseGeometry;
              Point node;
              for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
              {
                  ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                  node = ellipseGeometry.Center;
                  bool isEditNode = CheckIsNode(FreeNode, node, RADIUS_NODE);
  
                  if (isEditNode)
                  {
                      NewEditNode(node);
                      NewDspRouteInfo();
                      return;
                  }
              }
          }
  
  
          private void execCreateNode(Point FreeNode)
          {
              //check new node in exist line
              if (gGrpNewLine.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpNewLine.Children.Count; i++)
                  {
                      LineGeometry lineGeometry = (LineGeometry)gGrpNewLine.Children[i];
                      Point p1 = lineGeometry.StartPoint;
                      Point p2 = lineGeometry.EndPoint;

                      bool pInL = PointInLine(FreeNode, p1, p2, UCNODE_SETLEFT);

  
                      if (pInL)
                      {
                          MessageBoxResult result = MessageBox.Show("Do You Want To Add This Node?", "Add Node", MessageBoxButton.OKCancel);
                          if (result == MessageBoxResult.OK)
                          {
                              Point tmpPoint = ConvertNodeinLine(FreeNode, p1, p2);
                              FreeNode = tmpPoint;

                              CreateMapNode(FreeNode, i + 1, "Brown");

                              gGrpBlueNode.Children.Insert(i + 1, new EllipseGeometry(FreeNode, RADIUS_NODE, RADIUS_NODE));

  
                              //rename Point textName
                              for (int j = 0; j < ucNode_Lst.Count; j++)
                              {
                                  ucNode_Lst[j].txtNode = (j + 1).ToString();
                                  this.Children.Remove(ucNode_Lst[j]);
                                  this.Children.Add(ucNode_Lst[j]);
                              }

                              ReDrawAllNode();
  
                              stt++;
                              NewInitNodeInfo_List();
                              NewDspRouteInfo();
                              return;
                          }
                          else

                          {
                              return;
                          }

                      }
                  }
              }

              CreateMapNode(FreeNode, gGrpBlueNode.Children.Count, "Blue");
              gGrpBlueNode.Children.Insert(gGrpBlueNode.Children.Count, new EllipseGeometry(FreeNode, RADIUS_NODE, RADIUS_NODE));

  
              SetScheduleRoute();
  
              //draw line
              if (stt > 1)
              {
                  //delete all line
                  gGrpNewLine.Children.Clear();
                  this.Children.Remove(pNewLine);
                  //redraw line
                  for (int j = 0; j < gGrpBlueNode.Children.Count - 1; j++)
                  {
                      EllipseGeometry ellip = (EllipseGeometry)gGrpBlueNode.Children[j];
                      Point node1 = ellip.Center;
                      ellip = (EllipseGeometry)gGrpBlueNode.Children[j + 1];
                      Point node2 = ellip.Center;
                      DrawLine(node1, node2, gGrpNewLine);
                  }
  
                  this.Children.Add(pNewLine);
  
                  //rename Point textName
                  for (int j = 0; j < ucNode_Lst.Count; j++)
                  {
                      ucNode_Lst[j].txtNode = (j + 1).ToString();
                      this.Children.Remove(ucNode_Lst[j]);
                      this.Children.Add(ucNode_Lst[j]);
                  }
              }
  
              stt++;
              NewInitNodeInfo_List();
              NewDspRouteInfo();
          }

          public void CreateMapNode(Point FreeNode, int stt, String Color)
          {
              ucNode _ucNode = new ucNode();
              _ucNode.btnWidth = UCNODE_WIDTH;
              _ucNode.btnHeight = UCNODE_HEIGHT;

              //if (stt == 0)
              //{
              //    _ucNode.txtNode = "1";
              //}
              //else
              //{
              //    _ucNode.txtNode = stt.ToString();
              //}
              _ucNode.txtNode = (stt+1).ToString();

              _ucNode.fillColor = Color;
              _ucNode.IsDragDelta = true;
              Canvas.SetLeft(_ucNode, FreeNode.X - UCNODE_SETLEFT);
              Canvas.SetTop(_ucNode, FreeNode.Y - UCNODE_SETTOP);
              this.Children.Add(_ucNode);
              //ucNode_Lst.Add(_ucNode);
              ucNode_Lst.Insert(stt, _ucNode);

              //AddNode(FreeNode, gGrpBlueNode);
              //gGrpBlueNode.Children.Insert(stt, new EllipseGeometry(FreeNode, RADIUS_NODE, RADIUS_NODE));

          }

          public void BindBlueNode2ucNode()

          {

              if (gGrpBlueNode.Children.Count > 0)

              {

                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)

                  {

                      EllipseGeometry ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                      Point node = ellipseGeometry.Center;

                      CreateMapNode(node, i, "Blue");

                  }
              }

          }

          //2017/03/07 tach CreateNode End

  
          public Point ConvertNodeinLine(Point point, Point l1, Point l2)
          {
              Point pointResult = new Point();
              double X = 0;
              double Y = 0;
  
              double distance_Line = 0;
              double distance_l1ToPoint = 0;
  
              distance_Line = DistanceTo(l1, l2);
              distance_l1ToPoint = DistanceTo(l1, point);
  
  
              if (l1.X == l2.X)
              {
                  X = l1.X;
                  Y = point.Y;
              }
              else if (l1.Y == l2.Y)
              {
                  X = point.X;
                  Y = l1.Y;
              }
              else
              {
                  if (l1.X < l2.X)
                  {
                      if (l1.Y < l2.Y)
                      {
                          Y = l1.Y + (distance_l1ToPoint * (l2.Y - l1.Y) / distance_Line);
                          X = l1.X + (distance_l1ToPoint * (l2.X - l1.X) / distance_Line);
                      }
                      else
                      {
                          Y = l1.Y - (distance_l1ToPoint * (l1.Y - l2.Y) / distance_Line);
                          X = l1.X + (distance_l1ToPoint * (l2.X - l1.X) / distance_Line);
                      }
                  }
                  else
                  {
                      if (l1.Y < l2.Y)
                      {
                          Y = l1.Y + (distance_l1ToPoint * (l2.Y - l1.Y) / distance_Line);
                          X = l1.X - (distance_l1ToPoint * (l1.X - l2.X) / distance_Line);
                      }
                      else
                      {
                          Y = l1.Y - (distance_l1ToPoint * (l1.Y - l2.Y) / distance_Line);
                          X = l1.X - (distance_l1ToPoint * (l1.X - l2.X) / distance_Line);
                      }
                  }
  
  
              }
  
              pointResult.X = X;
              pointResult.Y = Y;
              return pointResult;
          }
  
          public static double DistanceTo(Point point1, Point point2)
          {
              var a = (double)(point2.X - point1.X);
              var b = (double)(point2.Y - point1.Y);

              return Math.Sqrt(a * a + b * b);

          }
  
          public bool PointInLine(Point point, Point l1, Point l2, double radius)
          {
              double distance = 0;
              bool falg = false;
  
              if (l1.X < l2.X)
              {
                  if (l1.Y < l2.Y)
                  {

                      if (point.X > l1.X - radius && point.X < l2.X + radius && point.Y > l1.Y - radius && point.Y < l2.Y + radius)

                      {
                          falg = true;
                      }
                  }
                  else
                  {

                      if (point.X > l1.X - radius && point.X < l2.X + radius && point.Y < l1.Y + radius && point.Y > l2.Y - radius)

                      {
                          falg = true;
                      }
                  }
              }
              else
              {
                  if (l1.Y < l2.Y)
                  {

                      if (point.X < l1.X + radius && point.X > l2.X - radius && point.Y > l1.Y - radius && point.Y < l2.Y + radius)

                      {
                          falg = true;
                      }
                  }
                  else
                  {

                      if (point.X < l1.X + radius && point.X > l2.X - radius && point.Y < l1.Y + radius && point.Y > l2.Y - radius)

                      {
                          falg = true;
                      }
                  }
              }
              if (falg == false)
              {
                  return false;
              }
  
              distance = DistanceFromPointToLine(point, l1, l2);
  
              if (distance > radius)
              {
                  return false;
              }
              return true;
          }
  
          public static double DistanceFromPointToLine(Point point, Point l1, Point l2)
          {

              return Math.Abs((l2.X - l1.X) * (l1.Y - point.Y) - (l1.X - point.X) * (l2.Y - l1.Y)) /

                      Math.Sqrt(Math.Pow(l2.X - l1.X, 2) + Math.Pow(l2.Y - l1.Y, 2));
          }

          #endregion
  
          #region Schedule
  
          public void SetScheduleRoute()
          {
  
              EllipseGeometry ellipseGeometry_1;
              EllipseGeometry ellipseGeometry_2;
              Point node_1;
              Point node_2;
              Point node_Schedule = new Point();

              double x_1 = 50;
              double y_1 = 80;
              double Totaldistance = 1270;

              if (ucScheduleNode_Lst.Count > 0)
              {
                  for (int i = 0; i < ucScheduleNode_Lst.Count; i++)
                  {

                      ucNode _ucScheduleNode = new ucNode();
                      _ucScheduleNode = ucScheduleNode_Lst[i];
                      scheduleCanvas.Children.Remove(_ucScheduleNode);

  
                  }
                  ucScheduleNode_Lst.Clear();
              }

  
              gGrpScheduleNode.Children.Clear();
              gGrpScheduleLine.Children.Clear();

  
              List<double> distance = new List<double>();
              double addDistance;
  
              if (gGrpBlueNode.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                  {
                      ellipseGeometry_2 = (EllipseGeometry)gGrpBlueNode.Children[i];
                      node_2 = ellipseGeometry_2.Center;
  
                      if (i >= 1)
                      {
                          ellipseGeometry_1 = (EllipseGeometry)gGrpBlueNode.Children[i - 1];
                          node_1 = ellipseGeometry_1.Center;
                          if (node_1.X == node_2.X)
                          {
                              addDistance = Math.Abs(node_1.Y - node_2.Y);
                              distance.Add(addDistance);
                          }
                          else if (node_1.Y == node_2.Y)
                          {
                              addDistance = Math.Abs(node_1.X - node_2.X);
                              distance.Add(addDistance);
                          }
                          else
                          {
                              var a = (double)(node_2.X - node_1.X);
                              var b = (double)(node_2.Y - node_1.Y);
                              addDistance = Math.Sqrt(a * a + b * b);
                              distance.Add(addDistance);
                          }
                      }
                  }
              }
              if (distance.Count > 0)
              {
                  double total = 0;
                  double distance_i;
  
                  for (int i = 0; i < distance.Count; i++)
                  {
                      total = total + distance[i];
                  }
  
                  for (int i = 0; i < distance.Count; i++)
                  {
                      distance_i = distance[i] * (Totaldistance / total);
                      distance[i] = distance_i;
                  }
              }

              if (gGrpBlueNode.Children.Count > 0)
              {
                  node_Schedule.X = x_1;
                  node_Schedule.Y = y_1;
                  AddNode(node_Schedule, gGrpScheduleNode);
              }

  
              addDistance = 0;
              for (int i = 0; i < distance.Count; i++)
              {

                  node_Schedule.Y = y_1;

                  addDistance = addDistance + distance[i];
                  node_Schedule.X = addDistance;
                  AddNode(node_Schedule, gGrpScheduleNode);
              }
  
              if (gGrpScheduleNode.Children.Count > 0)
              {
                  for (int i = 0; i < gGrpScheduleNode.Children.Count; i++)
                  {
                      ellipseGeometry_1 = (EllipseGeometry)gGrpScheduleNode.Children[i];
                      node_1 = ellipseGeometry_1.Center;
                      if (i > 0)
                      {

                          ellipseGeometry_2 = (EllipseGeometry)gGrpScheduleNode.Children[i - 1];

                          node_2 = ellipseGeometry_2.Center;
                          DrawLine(node_1, node_2, gGrpScheduleLine);
                      }

                      CreateScheduleNode(node_1, i + 1);

                  }
              }
          }

          private void CreateScheduleNode(Point point, int indexNode)
          {
              ucNode _ucNode = new ucNode();

              _ucNode.btnWidth = UCNODE_WIDTH;
              _ucNode.btnHeight = UCNODE_HEIGHT;

              _ucNode.txtNode = indexNode.ToString();

              _ucNode.IsDragDelta = false;

              Canvas.SetLeft(_ucNode, point.X - UCNODE_SETLEFT);
              Canvas.SetTop(_ucNode, point.Y - UCNODE_SETTOP);

              scheduleCanvas.Children.Add(_ucNode);

              ucScheduleNode_Lst.Add(_ucNode);

          }

          #endregion

          #region Add Vehicle
          public void GetIndexVehicle()
          {
              bool flag = false;
              if (VehicleModel.VehicleModelList.Count > 0)
              {
                  for (int i = 0; i < VehicleModel.VehicleModelList.Count; i++)
                  {
                      if (VehicleItem == VehicleModel.VehicleModelList[i].VehicleName)
                      {
                          VehicleIndex = i;
                          flag = true;
                      }
                  }
                  if(!flag)
                  {
                      VehicleIndex = VehicleModel.VehicleModelList.Count;
                  }
              }
              else
              {
                  VehicleIndex = 0;
              }
          }
  
          public void GetdataVehicle()
          {
  
  
              GetIndexVehicle();
  
              if (VehicleModel.VehicleModelList.Count > 0)
              {
  
  
                  for (int i = 0; i < ucNode_Lst.Count; i++)
                  {
                      this.Children.Remove(ucNode_Lst[i]);
                  }
  
                  gGrpNewLine.Children.Clear();
                  this.Children.Remove(pNewLine);
                  ucNode_Lst.Clear();
  
  
                  gGrpBlueNode.Children.Clear();
                  gGrpScheduleNode.Children.Clear();
  
                  if(VehicleIndex < VehicleModel.VehicleModelList.Count)
                  {
                      if (VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList.Count > 0)
                      {
                          for (int k = 0; k < VehicleModel.VehicleModelList[VehicleIndex].pointMapList.Count; k++)
                          {
                              double X = VehicleModel.VehicleModelList[VehicleIndex].pointMapList[k].pointMap_X;
                              double Y = VehicleModel.VehicleModelList[VehicleIndex].pointMapList[k].pointMap_Y;
  
                              Point node = new Point(X, Y);
                              AddNode(node, gGrpBlueNode);
                          }
                      }
  
                      if (VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList.Count > 0)
                      {
                          for (int k = 0; k < VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList.Count; k++)
                          {
                              double X = VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList[k].pointSchedule_X;
                              double Y = VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList[k].pointSchedule_Y;
  
                              Point node = new Point(X, Y);
                              AddNode(node, gGrpScheduleNode);
                          }
                      }
                  }
              }
  
              BindBlueNode2ucNode();
  
              ReDrawAllNode();
  
              SetScheduleRoute();
          }
  
          public void CreateVehicleNode()
          {
              EllipseGeometry ellipseGeometry;
              Point node;
              ListNodeInfo ListNodeInfo = new ListNodeInfo();
              VehicleModelList VehicleModelList = new VehicleModelList();
              
              if (VehicleModel.VehicleModelList.Count > 0 && VehicleIndex < VehicleModel.VehicleModelList.Count)
              {
                  if(VehicleModel.VehicleModelList[VehicleIndex].pointMapList.Count > 0)
                  {
                      VehicleModel.VehicleModelList[VehicleIndex].pointMapList.Clear();
                  }
                  if(VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList.Count > 0)
                  {
                      VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList.Clear();
                  }
                  if (gGrpBlueNode.Children.Count > 0)
                  {
                      for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                      {
                          ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                          node = ellipseGeometry.Center;
  
                          PointMap pMap = new PointMap();
                          pMap.pointMap_X = node.X;
                          pMap.pointMap_Y = node.Y;
                          pMap.speed_Map = 5;
                          VehicleModel.VehicleModelList[VehicleIndex].pointMapList.Add(pMap);
                      }
                  }
  
                  if (gGrpScheduleNode.Children.Count > 0)
                  {
                      for (int i = 0; i < gGrpScheduleNode.Children.Count; i++)
                      {
                          ellipseGeometry = (EllipseGeometry)gGrpScheduleNode.Children[i];
                          node = ellipseGeometry.Center;
  
                          PointSchedule pSchedule = new PointSchedule();
                          pSchedule.pointSchedule_X = node.X;
                          pSchedule.pointSchedule_Y = node.Y;
                          pSchedule.speed_Schedule = 0;
                          VehicleModel.VehicleModelList[VehicleIndex].pointScheduleList.Add(pSchedule);
                      }
                  }
  
              }
              else
              {
                  VehicleModelList.VehicleName = VehicleItem;
  
                  if (gGrpBlueNode.Children.Count > 0)
                  {
                      for (int i = 0; i < gGrpBlueNode.Children.Count; i++)
                      {
                          ellipseGeometry = (EllipseGeometry)gGrpBlueNode.Children[i];
                          node = ellipseGeometry.Center;
  
                          PointMap pMap = new PointMap();
                          pMap.pointMap_X = node.X;
                          pMap.pointMap_Y = node.Y;
                          pMap.speed_Map = 5;
                          VehicleModelList.pointMapList.Add(pMap);
                      }
                  }
  
                  if (gGrpScheduleNode.Children.Count > 0)
                  {
                      for (int i = 0; i < gGrpScheduleNode.Children.Count; i++)
                      {
                          ellipseGeometry = (EllipseGeometry)gGrpScheduleNode.Children[i];
                          node = ellipseGeometry.Center;
  
                          PointSchedule pSchedule = new PointSchedule();
                          pSchedule.pointSchedule_X = node.X;
                          pSchedule.pointSchedule_Y = node.Y;
                          pSchedule.speed_Schedule = 0;
                          VehicleModelList.pointScheduleList.Add(pSchedule);
                      }
                  }
                  VehicleModel.VehicleModelList.Add(VehicleModelList);
              }
          }
          #endregion

      }
  }