friction/PanelTrendGraph.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WeifenLuo.WinFormsUI.Docking;
using LiveCharts;
using LiveCharts.Wpf;
using LiveCharts.WinForms;
using LiveCharts.Defaults;

namespace friction
{
	public partial class PanelTrendGraph : DockContent
	{
		MainForm m_Owner = null;
		DataHandler m_DataHandler = null;

		string m_CurSpring = "";
		string m_CurTable = "";
		bool m_bHumidity = false;

		public PanelTrendGraph(MainForm owner, DataHandler data)
		{
			InitializeComponent();

			m_Owner = owner;
			m_DataHandler = data;


			Theme.Apply(this);
			Theme.Apply(trendChart);
			Theme.Apply(groupBox1);
			Theme.Apply(rbHumidity);
			Theme.Apply(rbTemp);


			trendChart.AxisX.Add(new Axis
			{
				Title = "Humidity",
			});

			trendChart.AxisY.Add(new Axis
			{
				Title = "RPN",
				MinValue = 0,
				MaxValue = 10,
			});

			trendChart.LegendLocation = LegendLocation.Right;
			trendChart.DataClick += TrendChart_DataClick;
		}

		public void Reset()
		{
			m_CurSpring = "";
			m_CurTable = "";
			m_bHumidity = false;
		}

		private void TrendChart_DataClick(object sender, ChartPoint chartPoint)
		{
		}

		public void UpdateGraph()
		{
			string strSpring = m_DataHandler.GetCurSpring();
			string strTable = m_DataHandler.GetCurTable();

			if (m_CurSpring == strSpring && m_CurTable == strTable && rbHumidity.Checked == m_bHumidity)
				return;


			var Chart = m_DataHandler.GetHumidityChart(strSpring, strTable);
			if (Chart.Count <= 0)
				return;

			string strTitle = "";
			double dMin = 0;
			double dMax = 0;
			if (rbHumidity.Checked == true)
			{
				strTitle = "Humidity";

				trendChart.AxisX[0].Title = strTitle;

				ChartValues<ScatterPoint>[] Points = {
					new ChartValues<ScatterPoint>(),
					new ChartValues<ScatterPoint>(),
					new ChartValues<ScatterPoint>() };

				foreach (var pnt in Chart)
				{
					if(pnt.TEMPERATURE < 0)
						Points[0].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN));
					else if(pnt.TEMPERATURE > 30)
						Points[2].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN));
					else
						Points[1].Add(new ScatterPoint(pnt.HUMIDITY, pnt.RPN));
				}

				System.Windows.Media.SolidColorBrush[] brushes = {
					System.Windows.Media.Brushes.DodgerBlue.Clone(),
					System.Windows.Media.Brushes.Green.Clone(),
					System.Windows.Media.Brushes.IndianRed.Clone() };
				foreach (var brush in brushes)
					brush.Opacity = 0.75;

				trendChart.Series = new SeriesCollection
				{
					new ScatterSeries
					{
						Title = "~ 0℃",
						Values = Points[0],
						Fill = brushes[0],
						Foreground = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 255, 255, 255)),
					},
					new ScatterSeries
					{
						Title = "0℃ ~ 30℃",
						Values = Points[1],
						Fill = brushes[1],
					},
					new ScatterSeries
					{
						Title = "30℃ ~",
						Values = Points[2],
						Fill = brushes[2],
					},
				};


				dMin = Chart.Min(r => r.HUMIDITY - 1);
				dMax = Chart.Max(r => r.HUMIDITY - 1);
			}
			else if(rbTemp.Checked == true)
			{
				strTitle = "Temperature";

				trendChart.AxisX[0].Title = strTitle;

				ChartValues<ScatterPoint>[] Points = {
					new ChartValues<ScatterPoint>(),
					new ChartValues<ScatterPoint>() };

				foreach (var pnt in Chart)
				{
					if(pnt.HUMIDITY <= 60)
						Points[0].Add(new ScatterPoint(pnt.TEMPERATURE, pnt.RPN, 2));
					else
						Points[1].Add(new ScatterPoint(pnt.TEMPERATURE, pnt.RPN, 2));
				}

				trendChart.Series = new SeriesCollection
				{
					new ScatterSeries
					{
						Title = "~ 60%",
						Values = Points[0],
						Foreground = System.Windows.Media.Brushes.SkyBlue,
					},
					new ScatterSeries
					{
						Title = "60% ~",
						Values = Points[1],
						Foreground = System.Windows.Media.Brushes.DarkBlue,
					},
				};

				dMin = Chart.Min(r => r.TEMPERATURE - 1);
				dMax = Chart.Max(r => r.TEMPERATURE - 1);
			}
			

			trendChart.AxisX[0].MinValue = dMin;
			trendChart.AxisX[0].MaxValue = dMax;

			m_CurSpring = strSpring;
			m_CurTable = strTable;
			m_bHumidity = rbHumidity.Checked;
		}

		private void rbHumidity_CheckedChanged(object sender, EventArgs e)
		{
			UpdateGraph();
		}

		private void rbTemp_CheckedChanged(object sender, EventArgs e)
		{
			UpdateGraph();
		}
	}
}