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using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
namespace Tango.SharedUI.Converters
{
public class MathOperatorConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
String arguments = parameter.ToStringSafe();
if (arguments != null && value != null)
{
String sign = arguments.First().ToString();
double a = System.Convert.ToDouble(value);
double b = System.Convert.ToDouble(new String(arguments.Skip(1).ToArray()));
switch (sign)
{
case "+":
return a + b;
case "-":
return a - b;
case "*":
return a * b;
case "/":
return a / b;
}
}
return null;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}
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