using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;

using Aitex.UI.Charting.ViewModel;
using DataAnalysisControl.Core;

namespace Aitex.UI.Charting.Converter
{
    public class RolloverDataValueConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            try
            {
                double value = System.Convert.ToDouble(values[0]);
                var series = values[1] as Aitex.UI.Charting.View.MyLineSeries;
                double factor = series.Factor;
                double offset = series.Offset;
                return ((value - offset) / factor).ToString("f3");
            }
            catch (Exception ex)
            {
                CONTEXT.WriteLog(ex);
            }
            return "N/A";
        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
        {
            return null;
        }
    }
}