CapMachine/CapMachine.Wpf/Models/ChartRtSeries.cs

using Arction.Wpf.Charting;
using Arction.Wpf.Charting.Annotations;
using Arction.Wpf.Charting.Axes;
using Arction.Wpf.Charting.Maps;
using Arction.Wpf.Charting.Series3D;
using Arction.Wpf.Charting.SeriesXY;
using Arction.Wpf.Charting.Views.ViewXY;
using CapMachine.Model;
using ImTools;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace CapMachine.Wpf.Models
{
    /// <summary>
    /// 曲线实时系列模型
    /// </summary>
    public class ChartRtSeries : BindableBase
    {
        /// <summary>
        /// 实例化函数
        /// </summary>
        /// <param name="axisY"></param>
        /// <param name="lightningChart"></param>
        /// <param name="SeriesName"></param>
        //public ChartRtSeries(AxisY axisY, LightningChart lightningChart, string SeriesName)
        //{
        //    //var CreateAxisY = new AxisY();
        //    //CreateAxisY.Title.Text = Name;
        //    //CreateAxisY.Title.AllowDragging = false;
        //    //CreateAxisY.SetRange(0, 100);
        //    //CreateAxisY.MajorGrid.Visible = false;
        //    ////取消滚轮缩放
        //    //CreateAxisY.ZoomingEnabled = false;

        //    //模型赋值
        //    LightningChartInstance = lightningChart;
        //    //ChartAxisY = axisY;
        //    ChartAxisX = lightningChart.ViewXY.XAxes[0];
        //    Name = SeriesName;
           
        //    //Unit = "℃";

        //    //判断别重复，因为可能共用Y轴的信息
        //    //绑定lightningChart
        //    lightningChart.ViewXY.YAxes.Add(axisY);

        //    ChartPointLineSeries = new PointLineSeries(lightningChart.ViewXY, lightningChart.ViewXY.XAxes[0], axisY);
        //    ChartPointLineSeries.Title.Text = SeriesName;
        //    //绑定lightningChart
        //    lightningChart.ViewXY.PointLineSeries.Add(ChartPointLineSeries);


        //}

        /// <summary>
        /// 实例化函数
        /// </summary>
        public ChartRtSeries(LightningChart lightningChart, ChartConfig chartConfig, List<ChartRtSeries> listchartRtSeries, ConfigChartSelect configChartSelect)
        {
            //模型赋值
            LightningChartInstance = lightningChart;
            ChartConfigInfo = chartConfig;
            ChartAxisY = configChartSelect.ConfigChartYAxis;
            ChartAxisX = LightningChartInstance.ViewXY.XAxes[0];
            Name = configChartSelect.Name;
            ListChartRtSeries= listchartRtSeries;

            AddSeries(configChartSelect.Name!, configChartSelect.ConfigChartYAxis!);

        }


        #region 基本信息


        private string? _Name;
        /// <summary>
        /// 名称
        /// </summary>
        public string? Name
        {
            get { return _Name; }
            set { _Name = value; RaisePropertyChanged(); }
        }

        private double _Value;
        /// <summary>
        /// 值
        /// </summary>
        public double Value
        {
            get { return _Value; }
            set { _Value = value; RaisePropertyChanged(); }
        }


        //private string? _Unit;
        ///// <summary>
        ///// 单位
        ///// </summary>
        //public string? Unit
        //{
        //    get { return _Unit; }
        //    set { _Unit = value; RaisePropertyChanged(); }
        //}


        #endregion


        /// <summary>
        /// 删除Y轴信息
        /// </summary>
        public void DeleteAxisY()
        {
            //删除Y轴信息
            LightningChartInstance.ViewXY.YAxes.Remove(LightningChartInstance.ViewXY.YAxes.FindFirst(a => a.Title.Text == ChartAxisY.Name));
        }

        /// <summary>
        /// 删除系列
        /// </summary>
        public void DeleteSeries()
        {
            LightningChartInstance.BeginUpdate();

            LightningChartInstance.ViewXY.PointLineSeries.Remove(ChartPointLineSeries);

            LightningChartInstance.EndUpdate();

            ListChartRtSeries.Remove(ListChartRtSeries.FindFirst(a=>a.Name== Name));
        }


        /// <summary>
        /// 增加系列
        /// </summary>
        /// <param name="Name"></param>
        private void AddSeries(string SeriesName, ConfigChartYAxis configChartYAxis)
        {
            LightningChartInstance.BeginUpdate();

            //判断之前的系列是否已经存在（依据名称），存在使用之前的系列，否则新增
            var AxisYInfo = GetAxisY(configChartYAxis.Name);
            if (AxisYInfo == null)
            {
                //新增
                AxisYInfo = new AxisY();
                AxisYInfo.Title.Text = configChartYAxis.Name;
                AxisYInfo.Title.AllowDragging = false;
                AxisYInfo.SetRange(configChartYAxis.Min, configChartYAxis.Max);
                AxisYInfo.MajorGrid.Visible = false;
                //取消滚轮缩放
                AxisYInfo.ZoomingEnabled = false;
                LightningChartInstance.ViewXY.YAxes.Add(AxisYInfo);
            }
            else
            {
                //使用之前
                AxisYInfo.SetRange(configChartYAxis.Min, configChartYAxis.Max);
            }

            var SeriesInfo = GetPointLineSeries(SeriesName);
            if (SeriesInfo == null)
            {
                //新增
                SeriesInfo = new PointLineSeries(LightningChartInstance.ViewXY, LightningChartInstance.ViewXY.XAxes[0], AxisYInfo);
                SeriesInfo.Title.Text = SeriesName;
                SeriesInfo.LineStyle.Color = ChartConfigInfo.ListColor[LightningChartInstance.ViewXY.YAxes.Count + 1];
                SeriesInfo.AllowUserInteraction = false;
                LightningChartInstance.ViewXY.PointLineSeries.Add(SeriesInfo);
            }
            else
            {
                //使用之前
                SeriesInfo.AssignYAxisIndex = AxisYInfo.SegmentIndex;
            }

            //赋值给当前的模型
            ChartPointLineSeries = SeriesInfo;

            //Configure and add series to the chart


            LightningChartInstance.EndUpdate();
        }

        /// <summary>
        /// 获取AxisY信息
        /// </summary>
        /// <param name="AxisName"></param>
        /// <returns></returns>
        private AxisY GetAxisY(string AxisName)
        {
            var AxisYs = LightningChartInstance.ViewXY.YAxes;

            if (AxisYs != null)
            {
                var findAxis = AxisYs.FindFirst(a => a.Title.Text == AxisName);
                if (findAxis != null)
                {
                    return findAxis;
                }
                else
                {
                    return null;
                }
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获取PointLineSeries信息
        /// </summary>
        /// <param name="AxisName"></param>
        /// <returns></returns>
        private PointLineSeries GetPointLineSeries(string SeriesName)
        {
            var PointLineSeries = LightningChartInstance.ViewXY.PointLineSeries;

            if (PointLineSeries != null)
            {
                var findSeries = PointLineSeries.FindFirst(a => a.Title.Text == SeriesName);
                if (findSeries != null)
                {
                    return findSeries;
                }
                else
                {
                    return null;
                }
            }
            else
            {
                return null;
            }
        }


        /// <summary>
        /// 上层管理集合
        /// </summary>
        public List<ChartRtSeries> ListChartRtSeries { get; set; }


        /// <summary>
        /// 曲线
        /// </summary>
        public PointLineSeries? ChartPointLineSeries { get; set; }

        /// <summary>
        /// Y轴
        /// </summary>
        public ConfigChartYAxis? ChartAxisY { get; set; }

        /// <summary>
        /// X轴
        /// </summary>
        public AxisX? ChartAxisX { get; set; }

        /// <summary>
        /// LightningChart 实例
        /// </summary>
        public LightningChart LightningChartInstance { get; set; }

        /// <summary>
        /// 曲线配置信息
        /// </summary>
        public ChartConfig ChartConfigInfo { get; set; }


        /// <summary>
        /// X轴滚动
        /// </summary>
        private bool ScrollEnable = true;


        /// <summary>
        /// Chart图表X轴的跨度-秒
        /// </summary>
        private int ChartXDateTimeRange = 3600;

        /// <summary>
        /// 增加数据
        /// </summary>
        public void AddValue(double Data)
        {
            //foreach (var item in LightningChartInstance.ViewXY.PointLineSeries)
            //{
            //Disable updates, to prevent several extra refreshes
            LightningChartInstance.BeginUpdate();

            //Array for 1 point
            SeriesPoint[] points = new SeriesPoint[1];

            //Convert 'Now' to X value 
            var _previousX = LightningChartInstance.ViewXY.XAxes[0].DateTimeToAxisValue(DateTime.Now);
            points[0].X = _previousX;
            points[0].Y = Data;
            //Add the new point into end of first PointLineSeries
            ChartPointLineSeries.AddPoints(points, false);

            ChartPointLineSeries.DeletePointsBeforeX(_previousX - ChartXDateTimeRange);
            //item.DeletePointsBeforeX(_previousX - 100);

            if (ScrollEnable)
            {
                LightningChartInstance.ViewXY.XAxes[0].ScrollPosition = _previousX;
            }

            //Allow updates again, and update
            LightningChartInstance.EndUpdate();

            Value = Data;

            //}
        }

        /// <summary>
        /// Solve value from series data points array. Accurate method, but slower than SolveValueCoarse
        /// </summary>
        /// <param name="series">Series</param>
        /// <param name="xValue">X value</param>
        /// <param name="yValue">Output Y value</param>
        /// <returns>Success status</returns>
        private bool SolveValueAccurate(PointLineSeries series, double xValue, out double yValue)
        {
            AxisY axisY = LightningChartInstance.ViewXY.YAxes[series.AssignYAxisIndex];
            yValue = 0;

            LineSeriesValueSolveResult result = series.SolveYValueAtXValue(xValue);
            if (result.SolveStatus == LineSeriesSolveStatus.OK)
            {
                //PointLineSeries may have two or more points at same X value. If so, center it between min and max 
                yValue = (result.YMax + result.YMin) / 2.0;
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// Solve value from screen coordinates. Faster method, but not less accurateValue than SolveValueAccurate 
        /// </summary>
        /// <param name="series">Series</param>
        /// <param name="xValue">X value</param>
        /// <param name="yValue">Output Y value</param>
        /// <returns>Success status</returns>
        private bool SolveValueCoarse(PointLineSeries series, double xValue, out double yValue)
        {
            AxisY axisY = LightningChartInstance.ViewXY.YAxes[series.AssignYAxisIndex];
            float coordX = LightningChartInstance.ViewXY.XAxes[0].ValueToCoord(xValue);
            float coordY;
            yValue = 0;

            LineSeriesCoordinateSolveResult result = series.SolveYCoordAtXCoord(coordX);
            if (result.SolveStatus == LineSeriesSolveStatus.OK)
            {
                coordY = (result.CoordBottom + result.CoordTop) / 2f;
                if (axisY.CoordToValue((int)Math.Round(coordY), out yValue) == false)
                {
                    return false;
                }
            }
            else
            {
                return false;
            }

            return true;
        }

    }
}