SunlightCentralizedControlManagement/UserControls/info.xaml.cs

using LiveChartsCore;
using LiveChartsCore.Defaults;
using LiveChartsCore.Kernel.Sketches;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using Newtonsoft.Json.Linq;
using ScottPlot;
using ScottPlot.Plottables;
using ScottPlot.Statistics;
using SkiaSharp;
using SunlightCentralizedControlManagement_SCCM_.ViewModel;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Data;
using System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Media.Media3D;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;

namespace SunlightCentralizedControlManagement_SCCM_.UserControls
{
    /// <summary>
    /// info.xaml 的交互逻辑
    /// </summary>
    public partial class info : UserControl, INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;
        protected virtual void OnPropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
        public void RaisePropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
            {
                if (propertyName != null)
                {
                    PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));
                }
            }
        }
        private ObservableCollection<DateTimePoint> MTH_values = new ObservableCollection<DateTimePoint>();

        public ObservableCollection<ISeries> _series { get; set; }
        public ObservableCollection<ISeries> Series
        {
            get => _series;
            set
            {
                _series = value;
                OnPropertyChanged(nameof(Series));
            }
        }
        //x轴时间格式
        public Axis[] XAxes { get; set; } =
        {
            new DateTimeAxis(TimeSpan.FromSeconds(5) , date => date.ToString("HH:mm"))
            {
                MinLimit = DateTime.Now.AddHours(-6).Ticks,
                MaxLimit = DateTime.Now.AddHours(0.5).Ticks,
                CrosshairLabelsBackground = SKColors.DarkGray.AsLvcColor(),
                CrosshairLabelsPaint = new SolidColorPaint(SKColors.DarkSlateBlue, 1),
                CrosshairPaint = new SolidColorPaint(SKColors.DarkSlateGray, 1),
            },
         };
        //颜色
        private static readonly SKColor s_blue = new SKColor(25, 118, 210);
        private static readonly SKColor s_red = new SKColor(229, 57, 53);
        public ICartesianAxis[] YAxes { get; set; } ={
        new Axis //y在此轴上缩放
        {
            MinLimit =0,
            MaxLimit =160,
            NamePadding = new LiveChartsCore.Drawing.Padding(0, 20),
            Padding =  new LiveChartsCore.Drawing.Padding(0, 0, 20, 0),
            TextSize = 12,
            LabelsPaint = new SolidColorPaint(s_blue),
            TicksPaint = new SolidColorPaint(s_blue),
            SubticksPaint = new SolidColorPaint(s_blue),
            DrawTicksPath = true,
            CrosshairSnapEnabled = true,
             Position = LiveChartsCore.Measure.AxisPosition.Start
        },//温度轴
   
        };

        public info()
        {
            InitializeComponent();
            DataContext = this; 
        }

        public void DataAdd(DateTime dateTime, double dat)
        {
            Dispatcher.Invoke(() =>
            {           
                // 添加新数据点     
                MTH_values.Add(new DateTimePoint(dateTime, dat));
                // 更新X轴范围，始终保持最近6小时
                XAxes[0].MinLimit = dateTime.AddHours(-6).Ticks;
                XAxes[0].MaxLimit = dateTime.AddMinutes(1).Ticks;
                // 移除6小时前的旧数据
                while (MTH_values.Count > 0 &&
                      MTH_values[0].DateTime < dateTime.AddHours(-6))
                {
                    MTH_values.RemoveAt(0);
                }
            });            
        }

        public void DataROW(DataRow[] dataRows)
        {
            DateTime dateTime = DateTime.Now;
            foreach (DataRow row in dataRows)
            {
                // 添加新数据点     
                MTH_values.Add(new DateTimePoint((DateTime)row["DateTime"], (double)row["DAT"]));
            }
            Dispatcher.Invoke(() =>
            {                
                // 更新X轴范围，始终保持最近6小时
                XAxes[0].MinLimit = dateTime.AddHours(-6).Ticks;
                XAxes[0].MaxLimit = dateTime.AddMinutes(1).Ticks;
               
            });
        }

        private void UserControl_Loaded(object sender, RoutedEventArgs e)
        {
            // 初始化系列
            Series = new ObservableCollection<ISeries>           
            {
                 new LineSeries<DateTimePoint>
                 {                      
                     Name = Properties.Resources.Temperature,                      
                     Values = MTH_values,
                     Stroke = new SolidColorPaint(s_red, 2),                      
                     GeometrySize = 0,                       
                     GeometryStroke = new SolidColorPaint(s_red, 2),                     
                     Fill = null,                      
                     LineSmoothness = 0,                      
                     ScalesYAt = 0,
                 }
            };
        }

    }
}