using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Data;
using Muchinfo.MTPClient.Data.Helper;

namespace Muchinfo.MTPClient.Infrastructure.Converters
{
    /// <summary>
    /// 涨跌幅转换为Visibility
    /// </summary>
    public class IncreaseValueToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null || parameter == null)
            {
                return Visibility.Collapsed;
            }

            decimal intValue;
            int intParameter;
            if (!decimal.TryParse(value.ToString(), out intValue))
            {
                intValue = 0;
            }
            if (!int.TryParse(parameter.ToString(), out intParameter))
            {
                intParameter = 0;
            }


            if (intValue == 0 || intParameter == 0) return Visibility.Collapsed;
            if (intValue > 0)
            {
                if (intParameter == 1) return Visibility.Visible;
                if (intParameter == 2) return Visibility.Collapsed;
            }
            else
            {
                if (intParameter == 1) return Visibility.Collapsed;
                if (intParameter == 2) return Visibility.Visible;
            }

            return Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return 0;
        }
    }
}