using DevExpress.Utils;
using DevExpress.XtraCharts;

namespace Yw.WinFrmUI.Phart
{
    /// <summary>
    ///  泵图表
    /// </summary>
    public partial class PumpViewChart : DevExpress.XtraEditors.XtraUserControl
    {
        public PumpViewChart()
        {
            InitializeComponent();
            InitialChart();
        }

        #region Private Variable

        private XYDiagram _diagram;
        private XYDiagramDefaultPane _default_pane;
        private XYDiagramPane _bottom_pane;

        private AxisX _axis_x_flow;
        private AxisY _axis_y_head;
        private SecondaryAxisY _axis_y_eff, _axis_y_power;

        private ConstantLine _const_line_x;
        private ConstantLine _const_line_y;
        private TextAnnotation _anno_txt_query_info;

        private PumpCoordinate _coordinate = null;
        private PumpCurveViewModel _vm = null;

        private bool _default_visible = false;
        private bool _power_visible = false;
        private bool _eff_visible = false;
        private bool _equal_eff_visible = false;
        private bool _split_panel = false;

        private bool _line_visible = false;
        private bool _initial_data = false;


        #endregion

        #region Public Variable  

        /// <summary>
        /// 
        /// </summary>
        public bool LineVisible
        {
            get
            {
                return _line_visible;
            }
            set
            {
                _line_visible = value;
                _const_line_x.Visible = value;
                _const_line_y.Visible = value;
                SetAxisXValue();
            }
        }

        /// <summary>
        /// 
        /// </summary>

        public bool SplitPanel
        {
            get
            {
                return _split_panel;
            }
            set
            {
                _split_panel = value; 
            }
        }

        #endregion

        #region Private Initial

        /// <summary>
        /// 初始化图表
        /// </summary>
        private void InitialChart()
        {
            this.chartControl1.SetChartDisplay();
            this.chartControl1.RuntimeHitTesting = true;
            this.chartControl1.AnimationStartMode = ChartAnimationMode.OnLoad;
            this.chartControl1.ObjectHotTracked += new DevExpress.XtraCharts.HotTrackEventHandler(this.chartControl1_ObjectHotTracked);
            this.chartControl1.MouseMove += new System.Windows.Forms.MouseEventHandler(this.chartControl1_MouseMove);
            this.chartControl1.MouseUp += new System.Windows.Forms.MouseEventHandler(this.chartControl1_MouseUp);
            this.chartControl1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.chartControl1_MouseDown);
            this.chartControl1.Resize += new System.EventHandler(this.chartControl1_Resize);
            this.chartControl1.CustomPaint += ChartControl1_CustomPaint;


            _diagram = (XYDiagram)this.chartControl1.Diagram;
            _default_pane = _diagram.DefaultPane;
            _bottom_pane = (XYDiagramPane)_diagram.FindPaneByName("BottomPanel");

            _axis_x_flow = _diagram.AxisX;
            _axis_x_flow.SetAxisXQDisplay();
            _axis_y_head = _diagram.AxisY;
            _axis_y_head.SetAxisYQHDisplay();
            _axis_y_eff = _diagram.SecondaryAxesY.GetAxisByName("AxisYEff");
            _axis_y_eff.SetSecondaryAxisYQEDisplay();
            _axis_y_eff.Alignment = AxisAlignment.Far;
            _axis_y_power = _diagram.SecondaryAxesY.GetAxisByName("AxisYPower");
            _axis_y_power.SetSecondaryAxisYQPDisplay();

            _const_line_x = (ConstantLine)_diagram.AxisX.ConstantLines.GetElementByName("ConstantLineX");
            _const_line_x.SetWorkPointLineDisplay();

            _const_line_y = (ConstantLine)_diagram.AxisY.ConstantLines.GetElementByName("ConstantLineY");
            _const_line_y.SetWorkPointLineDisplay();

            _axis_x_flow.Visibility = DefaultBoolean.False;
            _axis_x_flow.GridLines.Visible = false;
            _axis_y_head.Visibility = DefaultBoolean.False;
            _axis_y_head.GridLines.Visible = false;
            _axis_y_eff.Visibility = DefaultBoolean.False;
            _axis_y_eff.GridLines.Visible = false;
            _axis_y_power.Visibility = DefaultBoolean.False;
            _axis_y_power.GridLines.Visible = false;

            _const_line_x.Visible = false;
            _const_line_y.Visible = false;
        }

        /// <summary>
        /// 初始化坐标轴
        /// </summary>
        private void InitialCoordinate()
        {
            //设置成白板坐标
            _coordinate = new PumpCoordinate();
            _coordinate.GridNumberX = 30;
            _coordinate.GridNumberY = 16;
            //显示的坐标线号
            _coordinate.StartLineNoH = 10;
            _coordinate.EndLineNoH = 15;
            _coordinate.StartLineNoE = 0;
            _coordinate.EndLineNoE = 10;
            _coordinate.StartLineNoP = 2;
            _coordinate.EndLineNoP = 9;
            //坐标最小值和间隔
            _coordinate.CoordMinQ = 0; _coordinate.CoordSpaceQ = 1000;
            _coordinate.CoordMinH = 10; _coordinate.CoordSpaceH = 100;
            _coordinate.CoordMinE = 0; _coordinate.CoordSpaceE = 100;
            _coordinate.CoordMinP = 10; _coordinate.CoordSpaceP = 100;
        }

        #endregion

        #region Private Chart Event      

        ToolTipController _tool_tip = new();
        private void chartControl1_ObjectHotTracked(object sender, HotTrackEventArgs e)
        {
            //if (!_initial_data)
            //    return;
            //if (e.AdditionalObject is SeriesPoint series_pt)
            //{
            //    var tip = string.Format("X:{0:N1} Y:{1:N1}", series_pt.Argument, series_pt.Values[0]);
            //    _tool_tip.ShowHint(tip);
            //}
            //else
            //{
            //    _tool_tip.HideHint();
            //}
        }

        private bool _on_move_x_line = false;
        private bool _on_move_y_line = false;
        private void chartControl1_MouseDown(object sender, MouseEventArgs e)
        {
            if (!_initial_data)
                return;
            var hitInfo = chartControl1.CalcHitInfo(e.Location);
            if (e.Button == MouseButtons.Left)
            {
                if (hitInfo.InConstantLine)
                {
                    if (hitInfo.ConstantLine == _const_line_x)
                    {
                        _on_move_x_line = true;
                    }
                    else if (hitInfo.ConstantLine == _const_line_y)
                    {
                        _on_move_y_line = true;
                    }
                }
            }
        }

        private void chartControl1_MouseMove(object sender, MouseEventArgs e)
        {
            if (!_initial_data)
                return;

            if (_on_move_x_line)
            {
                var diagram_coordinates = _diagram.PointToDiagram(e.Location);
                var axis_value = diagram_coordinates.GetAxisValue(_axis_x_flow);
                if (axis_value == null)
                    return;
                double chartQ = axis_value.NumericalValue;
                SetAxisXValue(chartQ);

            }
            else if (_on_move_y_line)
            {
                var diagram_coordinates = _diagram.PointToDiagram(e.Location);
                var axis_value = diagram_coordinates.GetAxisValue(_axis_y_head);
                if (axis_value == null)
                    return;
                double chartH = axis_value.NumericalValue;
                SetAxisYValue(chartH);
            }
            else
            {
                var hitInfo = chartControl1.CalcHitInfo(e.Location);
                if (hitInfo.InConstantLine)
                {
                    this.chartControl1.Cursor = Cursors.Hand;
                }
                else if (hitInfo.InAnnotation)
                {
                    this.chartControl1.Cursor = Cursors.SizeAll;

                }
                else
                {
                    this.chartControl1.Cursor = Cursors.Default;
                }
            }
        }

        private void chartControl1_MouseUp(object sender, MouseEventArgs e)
        {
            if (!_initial_data)
                return;
            _on_move_x_line = false;
            _on_move_y_line = false;
        }

        private void chartControl1_Resize(object sender, EventArgs e)
        {

        }

        private void ChartControl1_CustomPaint(object sender, CustomPaintEventArgs e)
        {
            if (!_initial_data)
                return;
            if (_vm == null)
                return;
            if (_axis_x_flow.Visibility == DefaultBoolean.False)
                return;
            if (e is not DXCustomPaintEventArgs dx_args)
                return;
            var cache = dx_args.Cache;
            cache.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            if (_equal_eff_visible && _vm.EqualEffList != null && _vm.EqualEffList.Any())
            {
                using Pen pen = new(Color.Green, 2);
                foreach (var eq_eff in _vm.EqualEffList)
                {
                    if (!eq_eff.IsValid())
                        continue;
                    var eq_eff_pt_list = eq_eff.CurveEqualEff;
                    var pic_eq_eff_pt_list = new List<Point>();
                    foreach (var eq_eff_pt in eq_eff_pt_list)
                    {
                        var x = eq_eff_pt.X;
                        var y = eq_eff_pt.Y;
                        var coordinates = _diagram.DiagramToPoint(x, y, _diagram.AxisX, _diagram.AxisY);
                        if (coordinates == null)
                            continue;
                        var pt = new Point(coordinates.Point.X, coordinates.Point.Y);
                        pic_eq_eff_pt_list.Add(pt);
                    }

                    var pt_count = pic_eq_eff_pt_list.Count;
                    if (pt_count > 2)
                    {
                        if (eq_eff.IsClosed)
                        {
                            var path = cache.CreatePath();
                            path.AddClosedCurve(pic_eq_eff_pt_list.ToArray(), (float)eq_eff.Tension);
                            cache.DrawPath(pen, path);
                        }
                        else
                        {
                            var path = cache.CreatePath();
                            path.AddCurve(pic_eq_eff_pt_list.ToArray(), (float)eq_eff.Tension);
                            cache.DrawPath(pen, path);
                        }
                    }
                    else if (pt_count == 2)
                    {
                        cache.DrawLine(pen, pic_eq_eff_pt_list[0], pic_eq_eff_pt_list[1]);
                    }
                    else if (pt_count == 1)
                    {
                        Rectangle rc = new Rectangle(pic_eq_eff_pt_list[0].X - 2, pic_eq_eff_pt_list[0].Y - 2, 4, 4);
                        using (Brush b = new SolidBrush(pen.Color))
                            cache.FillEllipse(b, rc);
                    }

                }
            }

            if (_vm.Equip != null && _vm.Equip.IsValid())
            {
                using Pen pen = new(Color.Black, 2);
                pen.DashStyle = System.Drawing.Drawing2D.DashStyle.DashDotDot;

                var offset_size = 10;
                var qh_pt = _diagram.DiagramToPoint(_vm.Equip.SectQ, _vm.Equip.SectH, _axis_x_flow, _axis_y_head);
                var qh_pt_x = qh_pt.Point.X;
                var qh_pt_y = qh_pt.Point.Y;
                cache.DrawLine(pen, new Point(qh_pt_x, qh_pt_y - offset_size), new Point(qh_pt_x, qh_pt_y + offset_size));

                if (_eff_visible && _vm.Equip.SectE != null)
                {
                    var qe_pt = _diagram.DiagramToPoint(_vm.Equip.SectQ, _vm.Equip.SectE.Value, _axis_x_flow, _axis_y_eff);
                    var qe_pt_x = qe_pt.Point.X;
                    var qe_pt_y = qe_pt.Point.Y;
                    cache.DrawLine(pen, new Point(qe_pt_x, qe_pt_y - offset_size), new Point(qe_pt_x, qe_pt_y + offset_size));
                }
                if (_power_visible && _vm.Equip.SectP != null)
                {
                    var qp_pt = _diagram.DiagramToPoint(_vm.Equip.SectQ, _vm.Equip.SectP.Value, _axis_x_flow, _axis_y_power);
                    var qp_pt_x = qp_pt.Point.X;
                    var qp_pt_y = qp_pt.Point.Y;
                    cache.DrawLine(pen, new Point(qp_pt_x, qp_pt_y - offset_size), new Point(qp_pt_x, qp_pt_y + offset_size));
                }
            }

        }




        #endregion

        #region  Set  

        /// <summary>
        /// 清空图表
        /// </summary>
        public void Clear()
        {
            _vm = null;
            _default_visible = false;
            _split_panel = false;
            _eff_visible = false;
            _power_visible = false;
            _initial_data = false;
            this.chartControl1.BeginInit();
            this.chartControl1.Series.Clear();
            this.chartControl1.AnnotationRepository.Clear();
            this.chartControl1.Legend.CustomItems.Clear();
            this.chartControl1.EndInit();
        }

        /// <summary>
        /// 设置图表
        /// </summary>
        public void SetBindingData(PumpCurveViewModel vm, bool split_panel = false, bool eff_visible = false, bool power_visible = true, bool equal_eff_visible = false)
        {
            _vm = vm;
            _split_panel = split_panel;
            _eff_visible = eff_visible;
            _power_visible = power_visible;
            _equal_eff_visible = equal_eff_visible;
            this.chartControl1.BeginInit();
            this.chartControl1.Series.Clear();
            this.chartControl1.AnnotationRepository.Clear();
            this.chartControl1.Legend.CustomItems.Clear();
            if (vm == null)
            {
                _initial_data = false;
                this.chartControl1.EndInit();
                return;
            }



            AddDefault(vm);

            AddEquip(vm.Equip);
            AddVariableSpeedList(vm.VariableSpeedList);
            if (_equal_eff_visible)
                AddEqualEffList(vm.EqualEffList);
            AddEqualPowerList(vm.EqualPowerList);

            if (vm.Coordinate == null)
            {
                SetCoordinate();
            }
            else
            {
                _coordinate = vm.Coordinate;
            }

            SetChartAxis();
            this.chartControl1.EndInit();
            _initial_data = true;
        }

        //是否是无效数据
        private bool IsInvalidData()
        {
            if (_vm == null)
            {
                return true;
            }
            return false;
        }

        #region Add Data
        private void AddDefault(PumpCurveViewModel vm)
        {
            var id = vm.Id;
            var caption_qh = vm.CurveQHName;
            var caption_qp = vm.CurveQPName;
            var color_qh = vm.ColorQH ?? PumpChartDisplay.CurveColorQH;
            var color_qe = vm.ColorQE ?? PumpChartDisplay.CurveColorQE;
            var color_qp = vm.ColorQP ?? PumpChartDisplay.CurveColorQP;

            var qh = vm.CurveQH;
            var qe = vm.CurveQE;
            var qp = vm.CurveQP;

            XYDiagramPaneBase bottom_pane = _split_panel ? _bottom_pane : _default_pane;

            AddLineSeries(id, color_qh, _axis_x_flow, _axis_y_head, _default_pane, qh, DevExpress.XtraCharts.DashStyle.Dash);
            if (!string.IsNullOrEmpty(caption_qh))
                AddAnnotation(id, caption_qh, color_qh, _axis_y_head, _default_pane, qh.Last());

            if (qe != null && qe.Any() && _eff_visible)
            {
                AddLineSeries(id, color_qe, _axis_x_flow, _axis_y_eff, _default_pane, qe, DevExpress.XtraCharts.DashStyle.Dash);
            }

            if (qp != null && qp.Any() && _power_visible)
            {
                AddLineSeries(id, color_qp, _axis_x_flow, _axis_y_power, bottom_pane, qp, DevExpress.XtraCharts.DashStyle.Dash);
                if (!string.IsNullOrEmpty(caption_qp))
                {
                    AddAnnotation(id, caption_qp, color_qp, _axis_y_power, bottom_pane, qp.Last());
                }
            }
        }

        private void AddEquip(PumpCurveEquipViewModel vm)
        {
            if (vm == null)
                return;
            var id = vm.Id;
            var caption = vm.CurveName;
            var color = vm.Color ?? Color.Black;

            var equip = vm.CurveEquip;
            var equip_pt = new Yw.Geometry.Point2d(vm.PipeQ, vm.PipeH);

            AddLineSeries(id, color, _axis_x_flow, _axis_y_head, _default_pane, equip, DevExpress.XtraCharts.DashStyle.DashDotDot);
            // AddPointSeries(id, color, _axis_x_flow, _axis_y_head, _default_pane, new List<Geometry.Point2d>() { equip_pt }, MarkerKind.ThinCross);
            if (!string.IsNullOrEmpty(caption))
                AddAnnotation(id, caption, color, _axis_y_head, _default_pane, equip.Last());
        }

        private void AddVariableSpeedList(List<PumpCurveVariableSpeedViewModel> vm_list)
        {
            if (vm_list == null || !vm_list.Any())
                return;
            XYDiagramPaneBase bottom_pane = _split_panel ? _bottom_pane : _default_pane;
            foreach (var vm in vm_list)
            {
                if (!vm.IsValid())
                    continue;

                var id = vm.Id;
                var caption_qh = vm.CurveQHName;
                var caption_qp = vm.CurveQPName;
                var color_qh = vm.ColorQH ?? PumpChartDisplay.CurveColorQH;
                var color_qe = vm.ColorQE ?? PumpChartDisplay.CurveColorQE;
                var color_qp = vm.ColorQP ?? PumpChartDisplay.CurveColorQP;

                var qh = vm.CurveQH;
                var qe = vm.CurveQE;
                var qp = vm.CurveQP;

                AddLineSeries(id, color_qh, _axis_x_flow, _axis_y_head, _default_pane, qh);
                if (!string.IsNullOrEmpty(caption_qh))
                    AddAnnotation(id, caption_qh, color_qh, _axis_y_head, _default_pane, qh.Last());

                if (qe != null && qe.Any() && _eff_visible)
                {
                    AddLineSeries(id, color_qe, _axis_x_flow, _axis_y_eff, _default_pane, qe);
                }

                if (qp != null && qp.Any() && _power_visible)
                {
                    AddLineSeries(id, color_qp, _axis_x_flow, _axis_y_power, bottom_pane, qp);
                    if (!string.IsNullOrEmpty(caption_qp))
                    {
                        AddAnnotation(id, caption_qp, color_qp, _axis_y_power, bottom_pane, qp.Last());
                    }
                }
            }
        }

        private void AddEqualEffList(List<PumpCurveEqualEffViewModel> vm_list)
        {
            if (vm_list == null || !vm_list.Any())
                return;
            foreach (var vm in vm_list)
            {
                if (!vm.IsValid())
                    continue;

                var id = vm.Id;
                var caption = vm.CurveName;
                var color = vm.Color ?? Color.Green;

                var equif_eff = vm.CurveEqualEff;
                if (!string.IsNullOrEmpty(caption))
                {
                    if (equif_eff.Count > 2)
                    {
                        AddAnnotation(id, caption, color, _axis_y_head, _default_pane, equif_eff.First(), 60);
                    }
                    AddAnnotation(id, caption, color, _axis_y_head, _default_pane, equif_eff.Last(), 60);
                }
            }


        }

        private void AddEqualPowerList(List<PumpCurveEqualPowerViewModel> vm_list)
        {
            if (vm_list == null || !vm_list.Any())
                return;

            foreach (var vm in vm_list)
            {
                if (!vm.IsValid())
                    continue;

                var id = vm.Id;
                var caption = vm.CurveName;
                var color = vm.Color ?? Color.Green;
                var equif_power = vm.CurveEqualPower;
                if (equif_power.Count < 2)
                {
                    AddPointSeries(id, color, _axis_x_flow, _axis_y_head, _default_pane, equif_power);
                }
                else
                {
                    AddLineSeries(id, color, _axis_x_flow, _axis_y_head, _default_pane, equif_power, DashStyle.Dash);
                }
                if (!string.IsNullOrEmpty(caption))
                    AddAnnotation(id, caption, color, _axis_y_head, _default_pane, equif_power.Last());
            }
        }

        #endregion

        #region Add Chart Data 

        private void AddPointSeries(string id, Color color, AxisXBase axis_x, AxisYBase axis_y, XYDiagramPaneBase pane, List<Yw.Geometry.Point2d> pt_list, MarkerKind marker = MarkerKind.Circle)
        {
            if (pt_list == null || !pt_list.Any())
                return;

            var view = new DevExpress.XtraCharts.PointSeriesView();
            view.PointMarkerOptions.Size = 8;
            view.PointMarkerOptions.Kind = marker;
            view.PointMarkerOptions.BorderColor = color;
            view.Color = color;
            view.AxisX = axis_x;
            view.AxisY = axis_y;
            view.EmptyPointOptions.Color = Color.Transparent;
            view.Pane = pane;

            var series_pt_list = pt_list.Select(x => x.ToSeriesPoint()).ToArray();
            var series = new DevExpress.XtraCharts.Series();
            series.Tag = id;
            series.ShowInLegend = false;
            series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Numerical;
            series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.False;
            series.CrosshairEnabled = DefaultBoolean.False;
            series.CrosshairLabelVisibility = DefaultBoolean.False;
            series.ToolTipEnabled = DefaultBoolean.False;
            series.SeriesPointsSorting = SortingMode.None;
            series.Visible = true;
            series.View = view;
            series.CrosshairLabelPattern = "{A}";
            series.Points.AddRange(series_pt_list);
            this.chartControl1.Series.Add(series);
        }

        private void AddLineSeries(string id, Color color, AxisXBase axis_x, AxisYBase axis_y, XYDiagramPaneBase pane, List<Yw.Geometry.Point2d> pt_list, DevExpress.XtraCharts.DashStyle dash = DevExpress.XtraCharts.DashStyle.Solid)
        {
            if (pt_list == null || !pt_list.Any())
                return;

            var view = new DevExpress.XtraCharts.LineSeriesView();
            view.LineStyle.DashStyle = dash;
            view.LineStyle.LineJoin = System.Drawing.Drawing2D.LineJoin.Round;
            view.LineStyle.Thickness = 2;
            view.Color = color;
            view.EnableAntialiasing = DefaultBoolean.True;
            view.MarkerVisibility = DefaultBoolean.False;
            view.AxisX = axis_x;
            view.AxisY = axis_y;
            view.EmptyPointOptions.Color = Color.Transparent;
            view.Pane = pane;

            var series_pt_list = pt_list.Select(x => x.ToSeriesPoint()).ToArray();
            var series = new DevExpress.XtraCharts.Series();
            series.Tag = id;
            series.ShowInLegend = false;
            series.ArgumentScaleType = DevExpress.XtraCharts.ScaleType.Numerical;
            series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.False;
            series.CrosshairEnabled = DefaultBoolean.False;
            series.ToolTipEnabled = DefaultBoolean.False;
            series.SeriesPointsSorting = SortingMode.None;
            series.Visible = true;
            series.View = view;
            series.Points.AddRange(series_pt_list);

            this.chartControl1.Series.Add(series);
        }

        private void AddAnnotation(string id, string caption, Color color, AxisYBase axis_y, XYDiagramPaneBase pane, Yw.Geometry.Point2d pt, double angle = -10)
        {
            if (pt == null)
                return;
            var anchor_pt = pt;
            var pane_anchor_pt = new DevExpress.XtraCharts.PaneAnchorPoint();
            pane_anchor_pt.Pane = pane;
            pane_anchor_pt.AxisYCoordinate.Axis = axis_y;
            pane_anchor_pt.AxisXCoordinate.AxisValue = anchor_pt.X;
            pane_anchor_pt.AxisYCoordinate.AxisValue = anchor_pt.Y;

            var relative_position = new DevExpress.XtraCharts.RelativePosition();
            relative_position.Angle = angle;
            relative_position.ConnectorLength = 20;

            var text_annotation = new TextAnnotation();
            text_annotation.AnchorPoint = pane_anchor_pt;
            text_annotation.AutoHeight = true;
            text_annotation.AutoWidth = true;
            text_annotation.BackColor = System.Drawing.Color.Transparent;
            text_annotation.Border.Color = System.Drawing.Color.Transparent;
            text_annotation.Border.Visibility = DefaultBoolean.False;
            text_annotation.ConnectorStyle = DevExpress.XtraCharts.AnnotationConnectorStyle.None;
            text_annotation.Tag = id;
            text_annotation.Padding.Bottom = 1;
            text_annotation.Padding.Left = 1;
            text_annotation.Padding.Right = 1;
            text_annotation.Padding.Top = 1;
            text_annotation.RuntimeMoving = true;
            text_annotation.RuntimeAnchoring = false;
            text_annotation.RuntimeResizing = false;
            text_annotation.RuntimeRotation = false;
            text_annotation.Text = caption;
            text_annotation.TextColor = color;
            text_annotation.ShapePosition = relative_position;
            text_annotation.Visible = true;
            text_annotation.DXFont = new DevExpress.Drawing.DXFont(this.Font.Name, 10F);

            this.chartControl1.AnnotationRepository.Add(text_annotation);
        }

        #endregion
        #endregion

        #region Set Axis

        private double _minQ, _maxQ;
        private double _maxH = 0, _minH = 10000;
        private double _maxE = 0, _minE = 0;
        private double _maxP = 0, _minP = 1000;

        /// <summary>
        /// 设置坐标
        /// </summary>
        private void SetCoordinate()
        {
            if (_vm == null)
            {
                InitialCoordinate();
                return;
            }
            if (_vm.CurveQH == null || !_vm.CurveQH.Any())
            {
                InitialCoordinate();
                return;
            }

            _maxQ = 0; _minQ = 100000;
            _maxH = 0; _minH = 10000;
            _maxE = 0; _minE = 0;
            _maxP = 0; _minP = 1000;

            var q_list_list = new List<List<double>>();
            var h_list_list = new List<List<double>>();
            var e_list_list = new List<List<double>>();
            var p_list_list = new List<List<double>>();

            if (_default_visible)
            {
                q_list_list.Add(_vm.CurveQH.Select(x => x.X).ToList());
                h_list_list.Add(_vm.CurveQH.Select(x => x.Y).ToList());
                if (_vm.CurveQE != null)
                {
                    e_list_list.Add(_vm.CurveQE.Select(x => x.Y).ToList());
                }
                if (_vm.CurveQP != null)
                {
                    p_list_list.Add(_vm.CurveQP.Select(x => x.Y).ToList());
                }
            }

            if (_vm.Equip != null)
            {
                var item = _vm.Equip;
                q_list_list.Add(item.CurveEquip.Select(x => x.X).ToList());
                h_list_list.Add(item.CurveEquip.Select(x => x.Y).ToList());
            }

            if (_vm.VariableSpeedList != null && _vm.VariableSpeedList.Any())
            {
                foreach (var item in _vm.VariableSpeedList)
                {
                    q_list_list.Add(item.CurveQH.Select(x => x.X).ToList());
                    h_list_list.Add(item.CurveQH.Select(x => x.Y).ToList());
                    if (item.CurveQE != null)
                    {
                        e_list_list.Add(item.CurveQE.Select(x => x.Y).ToList());
                    }
                    if (item.CurveQP != null)
                    {
                        p_list_list.Add(item.CurveQP.Select(x => x.Y).ToList());
                    }
                }
            }

            if (_vm.EqualEffList != null && _vm.EqualEffList.Any())
            {
                foreach (var item in _vm.EqualEffList)
                {
                    q_list_list.Add(item.CurveEqualEff.Select(x => x.X).ToList());
                    h_list_list.Add(item.CurveEqualEff.Select(x => x.Y).ToList());
                }
            }

            if (_vm.EqualPowerList != null && _vm.EqualPowerList.Any())
            {
                foreach (var item in _vm.EqualPowerList)
                {
                    q_list_list.Add(item.CurveEqualPower.Select(x => x.X).ToList());
                    h_list_list.Add(item.CurveEqualPower.Select(x => x.Y).ToList());
                }
            }


            foreach (var list in q_list_list)
            {
                _minQ = Math.Min(_minQ, list.Min());
                _maxQ = Math.Max(_maxQ, list.Max());
            }

            foreach (var list in h_list_list)
            {
                _minH = Math.Min(_minH, list.Min());
                _maxH = Math.Max(_maxH, list.Max());
            }


            foreach (var list in e_list_list)
            {
                _minE = Math.Max(_minE, list.Min());
                _maxE = Math.Max(_maxE, list.Max());
            }


            foreach (var list in p_list_list)
            {
                _minP = Math.Min(_minP, list.Min());
                _maxP = Math.Max(_maxP, list.Max());
            }

            _coordinate = PumpCoordinate.CalcCoordinate(_minQ, _maxQ, _minH, _maxH, _minE, _maxE, _minP, _maxP);
            if (_coordinate == null)
                return;
            if (_coordinate.CoordMinQ + _coordinate.CoordSpaceQ * this._coordinate.GridNumberX < _maxQ * 1.05)
            {
                _coordinate.GridNumberX++;
            }

        }

        /// <summary>
        /// 设置图表轴
        /// </summary>
        private void SetChartAxis()
        {
            _axis_x_flow.Visibility = DefaultBoolean.False;
            _axis_x_flow.GridLines.Visible = false;
            _axis_y_head.Visibility = DefaultBoolean.False;
            _axis_y_head.GridLines.Visible = false;
            _axis_y_eff.Visibility = DefaultBoolean.False;
            _axis_y_eff.GridLines.Visible = false;
            _axis_y_power.Visibility = DefaultBoolean.False;
            _axis_y_power.GridLines.Visible = false;
            if (_coordinate == null)
            {
                _const_line_x.Visible = false;
                _const_line_y.Visible = false;
                _bottom_pane.Visibility = ChartElementVisibility.Hidden;
                return;
            }


            //计算刻度 Q
            var axisQLabels = new List<CustomAxisLabel>();
            var disQ = _coordinate.CoordMinQ;
            for (int i = 0; i < _coordinate.GridNumberX + 1; i++)
            {
                axisQLabels.Add(new CustomAxisLabel(disQ.ToString("N0"), disQ));
                disQ = disQ + _coordinate.CoordSpaceQ;
            }

            _axis_x_flow.CustomLabels.Clear();
            _axis_x_flow.CustomLabels.AddRange(axisQLabels.ToArray());
            _axis_x_flow.Visibility = DefaultBoolean.True;
            _axis_x_flow.GridLines.Visible = true;


            //计算刻度
            var axis_head_labels = new List<CustomAxisLabel>();
            var display_head = _coordinate.CoordMinH + _coordinate.CoordSpaceH * _coordinate.StartLineNoH;
            for (int i = _coordinate.StartLineNoH; i < _coordinate.EndLineNoH + 1; i++)
            {
                axis_head_labels.Add(new CustomAxisLabel(display_head.ToString(), display_head));
                display_head = display_head + _coordinate.CoordSpaceH;
            }

            _axis_y_head.CustomLabels.Clear();
            _axis_y_head.CustomLabels.AddRange(axis_head_labels.ToArray());
            _axis_y_head.Visibility = DefaultBoolean.True;
            _axis_y_head.GridLines.Visible = true;

            //效率
            if (_maxE > _minE && _eff_visible)
            {
                //计算刻度
                var label_list = new List<CustomAxisLabel>();
                var display_eff = _coordinate.CoordMinE + _coordinate.CoordSpaceE * _coordinate.StartLineNoE;
                for (int i = _coordinate.StartLineNoE; i < _coordinate.EndLineNoE + 1; i++)
                {
                    label_list.Add(new CustomAxisLabel(display_eff.ToString(), display_eff));
                    display_eff = display_eff + _coordinate.CoordSpaceE;
                }

                _axis_y_eff.CustomLabels.Clear();
                _axis_y_eff.CustomLabels.AddRange(label_list.ToArray());
                _axis_y_eff.Visibility = DefaultBoolean.True;
                _axis_y_eff.GridLines.Visible = true;
            }

            //功率
            if (_maxP > _minP && _power_visible)
            {
                //计算刻度
                var label_list = new List<CustomAxisLabel>();
                double display_power = _coordinate.CoordMinP + _coordinate.CoordSpaceP * _coordinate.StartLineNoP;
                for (int i = _coordinate.StartLineNoP; i < _coordinate.EndLineNoP + 1; i++)
                {
                    label_list.Add(new CustomAxisLabel(display_power.ToString(), display_power));
                    display_power = display_power + _coordinate.CoordSpaceP;
                }

                _axis_y_power.CustomLabels.Clear();
                _axis_y_power.CustomLabels.AddRange(label_list.ToArray());
                _axis_y_power.Visibility = DefaultBoolean.True;
                _axis_y_power.GridLines.Visible = true;
            }


            _axis_x_flow.SetAxisRange(_coordinate.CoordMinQ, _coordinate.CoordMinQ + _coordinate.GridNumberX * _coordinate.CoordSpaceQ);



            //是否分割面板:流量效率在上,功率在下
            if (_split_panel)
            {
                if (_power_visible)
                {
                    var grid_count_head = _coordinate.EndLineNoH - _coordinate.StartLineNoH;
                    var grid_count_eff = _coordinate.EndLineNoE - _coordinate.StartLineNoE;
                    int grid_count_add = Math.Max(grid_count_head, grid_count_eff);
                    if (_eff_visible)
                        grid_count_add += +5;//多两条

                    var max_axis_head = _coordinate.CoordMinH + _coordinate.EndLineNoH * _coordinate.CoordSpaceH;
                    var min_axis_head = max_axis_head - grid_count_add * _coordinate.CoordSpaceH;
                    _axis_y_head.SetAxisRange(min_axis_head, max_axis_head);

                    var min_axis_eff = _coordinate.CoordMinE + _coordinate.StartLineNoE * _coordinate.CoordSpaceE;
                    var max_axis_eff = min_axis_eff + grid_count_add * _coordinate.CoordSpaceE;

                    _axis_y_eff.SetAxisRange(min_axis_eff, max_axis_eff);
                    _bottom_pane.Visibility = ChartElementVisibility.Visible;
                }
                else
                {
                    var grid_count_power = _coordinate.EndLineNoP - _coordinate.StartLineNoP;
                    var grid_delete_head = grid_count_power * _coordinate.CoordSpaceH;
                    grid_delete_head = _coordinate.CoordMinH < 0 ? -grid_delete_head : grid_delete_head;

                    var grid_delete_eff = grid_count_power * _coordinate.CoordSpaceE;
                    grid_delete_eff = _coordinate.CoordMinE < 0 ? -grid_delete_eff : grid_delete_eff;

                    _axis_y_head.SetAxisRange(_coordinate.CoordMinH - grid_delete_head, _coordinate.CoordMinH + _coordinate.GridNumberY * _coordinate.CoordSpaceH);
                    _axis_y_eff.SetAxisRange(_coordinate.CoordMinE - grid_delete_eff, _coordinate.CoordMinE + _coordinate.GridNumberY * _coordinate.CoordSpaceE);

                    _bottom_pane.Visibility = ChartElementVisibility.Hidden;
                }

                if ((!_eff_visible) && (!_power_visible))
                {
                    _axis_y_head.SetAxisRange(_coordinate.DispMinH(), _coordinate.DispMaxH());
                }
                _axis_y_power.SetAxisRange(_coordinate.DispMinP(), _coordinate.DispMaxP());
            }
            else
            {
                if ((!_eff_visible) && (!_power_visible))
                {
                    _axis_y_head.SetAxisRange(_coordinate.DispMinH(), _coordinate.DispMaxH());
                }
                else if ((!_eff_visible) && _power_visible)
                {
                    var grid_count_eff = _coordinate.EndLineNoE - _coordinate.StartLineNoE;
                    if (_coordinate.EndLineNoH - _coordinate.StartLineNoH < 6)
                        grid_count_eff++;
                    var grid_delete_head = grid_count_eff * _coordinate.CoordSpaceH;
                    grid_delete_head = _coordinate.CoordMinH < 0 ? -grid_delete_head : grid_delete_head;
                    var grid_delete_power = grid_count_eff * _coordinate.CoordSpaceP;

                    _axis_y_head.SetAxisRange(_coordinate.CoordMinH - grid_delete_head, _coordinate.CoordMinH + _coordinate.GridNumberY * _coordinate.CoordSpaceH);
                    _axis_y_power.SetAxisRange(_coordinate.CoordMinP, _coordinate.CoordMinP + _coordinate.GridNumberY * _coordinate.CoordSpaceP - grid_delete_power);
                }
                else if (_eff_visible && (!_power_visible))
                {
                    var grid_count_power = _coordinate.EndLineNoP - _coordinate.StartLineNoP;
                    var grid_delete_head = grid_count_power * _coordinate.CoordSpaceH;
                    grid_delete_head = _coordinate.CoordMinH < 0 ? -grid_delete_head : grid_delete_head;

                    var grid_delete_eff = grid_count_power * _coordinate.CoordSpaceE;
                    grid_delete_eff = _coordinate.CoordMinE < 0 ? -grid_delete_eff : grid_delete_eff;

                    _axis_y_head.SetAxisRange(_coordinate.CoordMinH - grid_delete_head, _coordinate.CoordMinH + _coordinate.GridNumberY * _coordinate.CoordSpaceH);
                    _axis_y_eff.SetAxisRange(_coordinate.CoordMinE - grid_delete_eff, _coordinate.CoordMinE + _coordinate.GridNumberY * _coordinate.CoordSpaceE);
                }
                else
                {
                    _axis_y_head.SetAxisRange(_coordinate.CoordMinH, _coordinate.CoordMinH + _coordinate.GridNumberY * _coordinate.CoordSpaceH);
                    _axis_y_eff.SetAxisRange(_coordinate.CoordMinE, _coordinate.CoordMinE + _coordinate.GridNumberY * _coordinate.CoordSpaceE);
                    _axis_y_power.SetAxisRange(_coordinate.CoordMinP, _coordinate.CoordMinP + _coordinate.GridNumberY * _coordinate.CoordSpaceP);
                }

                _bottom_pane.Visibility = ChartElementVisibility.Hidden;
            }


        }

        #endregion

        #region Set Axis Value

        /// <summary>
        /// 设置X轴值
        /// </summary> 
        public void SetAxisXValue(double? x = null)
        {
            if (!_line_visible)
            {
                _const_line_x.Visible = false;
                _const_line_x.Title.Visible = false;
                _const_line_y.Visible = false;
                _const_line_y.Title.Visible = false;
                return;
            }
            else
            {
                _const_line_x.Visible = true;
                _const_line_x.Title.Visible = true;
                _const_line_y.Visible = true;
                _const_line_y.Title.Visible = true;
            }
            if (this.IsInvalidData())
                return;

            var min_x = _fit_pt_list.Min(x => x.X);
            var max_x = _fit_pt_list.Max(x => x.X);

            if (x == null)
            {
                x = (min_x + max_x) / 2;
            }
            else
            {
                if (x < min_x || x > max_x)
                    return;
            }

            var x_value = x.Value;
            var y_value = _fit_pt_list.GetInterPointsY(x_value)?.FirstOrDefault();

            _const_line_x.AxisValue = x_value;
            _const_line_x.Title.Text = $"{x_value:N1}";

            _const_line_y.AxisValue = y_value;
            _const_line_y.Title.Text = $"{y_value:N1}";

        }

        /// <summary>
        /// 设置Y轴值
        /// </summary> 
        public void SetAxisYValue(double y)
        {
            if (!_line_visible)
                return;
            if (IsInvalidData())
                return;

            var min_y = _fit_pt_list.Min(x => x.Y);
            var max_y = _fit_pt_list.Max(x => x.Y);
            if (y < min_y || y > max_y)
                return;

            var x_value = _fit_pt_list.GetInterPointsX(y)?.LastOrDefault();
            SetAxisXValue(x_value);

        }

        #endregion
    }
}