source: trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views/3.4/VariableTrackbar.cs @ 8876

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using HeuristicLab.Common;

namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views {
  public partial class VariableTrackbar : UserControl {
    private readonly string variableName;
    private const double FACTOR = 1000;

    public double Value {
      get { return trackBar.Value / FACTOR; }
    }

    public string VariableName {
      get { return variableName; }
    }

    public VariableTrackbar(string variableName, IEnumerable<double> values) {
      InitializeComponent();
      this.variableName = variableName;
      groupBox.Text = variableName;
      var valuesArr = values.ToArray();
      this.valueTextBox.Text = string.Format("{0:0.000e+00}", valuesArr.Median());
      boxPlotChart.Series["DataSeries"].Points.Clear();
      boxPlotChart.Series["DataSeries"].Points.DataBindY(valuesArr);
      boxPlotChart.Series["BoxPlot"].ChartType = SeriesChartType.BoxPlot;
      boxPlotChart.Series["BoxPlot"]["BoxPlotSeries"] = "DataSeries";
      boxPlotChart.Series["BoxPlot"]["BoxPlotWhiskerPercentile"] = "5";
      boxPlotChart.Series["BoxPlot"]["BoxPlotPercentile"] = "30";
      boxPlotChart.Series["BoxPlot"]["BoxPlotShowAverage"] = "true";
      boxPlotChart.Series["BoxPlot"]["BoxPlotShowMedian"] = "true";
      boxPlotChart.Series["BoxPlot"]["BoxPlotShowUnusualValues"] = "true";
      boxPlotChart.ChartAreas[0].AxisY.Minimum = valuesArr.Min() ;
      boxPlotChart.ChartAreas[0].AxisY.Maximum = valuesArr.Max() ;
      

      trackBar.Minimum = (int)Math.Round(valuesArr.Min() * FACTOR);
      trackBar.Maximum = (int)Math.Round(valuesArr.Max() * FACTOR);
      trackBar.Value = (int)Math.Round(valuesArr.Median() * FACTOR);
      trackBar.TickStyle = TickStyle.None;
      trackBar.Tag = variableName;
    }

    private void TrackBarValueChanged(object sender, EventArgs e) {
      valueTextBox.Text = string.Format("{0:0.000e+00}", trackBar.Value / FACTOR);
      RaiseValueChanged(EventArgs.Empty);
    }

    public event EventHandler ValueChanged;
    private void RaiseValueChanged(EventArgs e) {
      var handler = ValueChanged;
      if (handler != null) handler(this, e);
    }
  }
}