Window_sync_graph.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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.Imaging;
using System.Windows.Shapes;

namespace Flyad7_WPF
{
    /// <summary>
    /// Window_sync_graph.xaml 的交互逻辑
    /// </summary>
    public partial class Window_sync_graph : Window
    {
        private FlyADBase.IFlyADClient mflyad;
        System.Windows.Threading.DispatcherTimer timer = new System.Windows.Threading.DispatcherTimer();
        public Window_sync_graph()
        {
            InitializeComponent();
            InitializeComponent3();

            timer.Interval = TimeSpan.FromMilliseconds(60);
            timer.Tick += new EventHandler(timer_Tick);
        }
        
        void InitializeComponent3()
        {
            System.Windows.Forms.DataVisualization.Charting.ChartArea chartArea1 = new System.Windows.Forms.DataVisualization.Charting.ChartArea();
            System.Windows.Forms.DataVisualization.Charting.Series series_pos = new System.Windows.Forms.DataVisualization.Charting.Series();
            System.Windows.Forms.DataVisualization.Charting.Series series_speed = new System.Windows.Forms.DataVisualization.Charting.Series();
            System.Windows.Forms.DataVisualization.Charting.Legend legend1 = new System.Windows.Forms.DataVisualization.Charting.Legend();
            

            // 
            // chart1
            // 
            #region chartArea
            chartArea1.AxisX.LabelStyle.Font = new System.Drawing.Font("Trebuchet MS", 8.25F, System.Drawing.FontStyle.Bold);
            chartArea1.AxisX.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.AxisX.MajorGrid.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.AxisY.LabelStyle.Font = new System.Drawing.Font("Trebuchet MS", 8.25F, System.Drawing.FontStyle.Bold);
            chartArea1.AxisY.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.AxisY.MajorGrid.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.BackColor = System.Drawing.Color.OldLace;
            //chartArea1.BackGradientStyle = System.Windows.Forms.DataVisualization.Charting.GradientStyle.TopBottom;
            //chartArea1.BackSecondaryColor = System.Drawing.Color.White;
            chartArea1.BorderColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.BorderDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Solid;
            chartArea1.Name = "Default";
            chartArea1.ShadowColor = System.Drawing.Color.Transparent;
            //对数坐标
            //chartArea1.AxisY.IsLogarithmic = true;
            //chartArea1.AxisY.LogarithmBase = Math.E;
            this.chart1.ChartAreas.Add(chartArea1);
            #endregion

            #region legend
            legend1.Alignment = System.Drawing.StringAlignment.Near;
            legend1.IsTextAutoFit = false;
            legend1.BackColor = System.Drawing.Color.Transparent;
            legend1.Font = new System.Drawing.Font("Trebuchet MS", 8.25F, System.Drawing.FontStyle.Bold);
            legend1.LegendStyle = System.Windows.Forms.DataVisualization.Charting.LegendStyle.Row;
            legend1.Name = "Default";
            legend1.DockedToChartArea = chartArea1.Name;
            legend1.Docking = System.Windows.Forms.DataVisualization.Charting.Docking.Right;
            legend1.IsDockedInsideChartArea = true;
            legend1.Position.Auto = true;
            chart1.Legends.Add(legend1);
            #endregion



            #region series
            series_pos.BorderColor = System.Drawing.Color.LightBlue;
            series_pos.BorderWidth = 3;
            series_pos.ChartArea = chartArea1.Name;
            series_pos.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
            series_pos.Color = System.Drawing.Color.Blue;
            //series1.MarkerSize = 8;
            //series1.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.Circle;
            series_pos.Name = "Position";
            series_pos.ShadowColor = System.Drawing.Color.Black;
            series_pos.ShadowOffset = 2;
            series_pos.XValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Int32;
            series_pos.YValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Int32;
            this.chart1.Series.Add(series_pos);


            series_speed.BorderColor = System.Drawing.Color.Pink;
            series_speed.BorderWidth = 3;
            series_speed.ChartArea = chartArea1.Name;
            series_speed.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
            series_speed.Color = System.Drawing.Color.Red;
            //series1.MarkerSize = 8;
            //series1.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.Circle;
            series_speed.Name = "Speed";
            series_speed.ShadowColor = System.Drawing.Color.Black;
            series_speed.ShadowOffset = 2;
            series_speed.XValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Int32;
            series_speed.YValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Int32;
            series_speed.YAxisType = System.Windows.Forms.DataVisualization.Charting.AxisType.Secondary;

            this.chart1.Series.Add(series_speed);

            #endregion
            this.chart1.Name = "chart1";
            this.chart1.BackColor = System.Drawing.Color.Transparent;
        }

        public void Init(FlyADBase.IFlyADClient flyad) 
        {
            mflyad = flyad;
            
        }

        void mflyad_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if ((e.PropertyName == "Position") || (e.PropertyName == "Position2")) 
            {
                update();
            }
        }

        TimeSpan DataTime = TimeSpan.FromSeconds(60);
        int DataLen = 1000;//总数据量永远只有1000个
        void update()
        {
            if (chart1.Series["Position"].Points.Count() > 0) 
            {
                if (chart1.Series["Position"].Points.First().XValue > mflyad.Position2) 
                {
                    //清空全部数据
                    chart1.Series["Position"].Points.RemoveAt(0);
                    chart1.Series["Speed"].Points.RemoveAt(0);
                }
            }


            while (chart1.Series["Position"].Points.Count() > DataLen)
            {
                chart1.Series["Position"].Points.RemoveAt(0);
                chart1.Series["Speed"].Points.RemoveAt(0);
            }
            if (chart1.Series["Position"].Points.Count() > 0)
            {
                if (chart1.Series["Position"].Points.Last().XValue == mflyad.Position2)
                {
                    chart1.Series["Position"].Points.Last().SetValueY(mflyad.Position);
                    chart1.Series["Speed"].Points.Last().SetValueY(mflyad.Speed);
                    return;
                }
            }
            
            chart1.Series["Position"].Points.AddXY(mflyad.Position2, mflyad.Position);
            chart1.Series["Speed"].Points.AddXY(mflyad.Position2, mflyad.Speed);

            double min = chart1.Series["Position"].Points.First().XValue;
            double max = chart1.Series["Position"].Points.Last().XValue;
            if(max-min<10000)
            {
                max = min+10000;
            }


            chart1.ChartAreas[0].AxisX.Minimum = min;
            chart1.ChartAreas[0].AxisX.Maximum = max;
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            textbox_datalen.Text = ((int)(DataTime.TotalSeconds)).ToString();
            setInterval();
            timer.Start();
            
        }
        private void Window_Unloaded(object sender, RoutedEventArgs e)
        {
            timer.Stop();
        }
        void timer_Tick(object sender, EventArgs e)
        {
            update();
        }

        private void button_ok_Click(object sender, RoutedEventArgs e)
        {
            int datlen;
            if (!int.TryParse(textbox_datalen.Text, out datlen))
            {
                MessageBox.Show("格式出错", "异常", MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (datlen < 5)
            {
                MessageBox.Show("小于 5s", "异常", MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }
            DataTime = TimeSpan.FromSeconds(datlen);
            setInterval();
            MessageBox.Show("成功");
            return;
        }
        void setInterval() 
        {
            TimeSpan ts = TimeSpan.FromSeconds(DataTime.TotalSeconds / 1000);
            if (ts < TimeSpan.FromSeconds(0.1))
            {
                ts = TimeSpan.FromSeconds(0.1);
                DataLen = (int)(DataTime.TotalSeconds / ts.TotalSeconds);
            }
            else 
            {
                DataLen = 1000;
            }
            timer.Interval = ts;
        }

    }
}