initial commit

xcd

2020-06-24 d6c577e17ee7bb5331dd51d803f9b42441b0f0e5

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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;
using static Bro.Common.Helper.EnumHelper;
 
namespace Bro.UI.Converter
{
    /// <summary>
    /// 取反转换
    /// </summary>
    public class InverseConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return !(bool)value;
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return !(bool)value;
        }
    }
 
    /// <summary>
    /// 设备状态转换
    /// </summary>
    public class DeviceStateColorConvert : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            DeviceState state = (DeviceState)value;
            return state.GetEnumSelectedColorString();
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
 
    /// <summary>
    /// 布尔状态显示转换
    /// </summary>
    public class CurrentStateConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
            {
                return "LightBlue";
            }
            else if ((bool)value == true)
            {
                return "LightGreen";
            }
            else
            {
                return "LightGray";
            }
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return null;
        }
    }
 
    /// <summary>
    /// 布尔状态显示转换
    /// </summary>
    public class IndicatorStateConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
            {
                return "Transparent";
            }
            else if ((bool)value == true)
            {
                return "LightGreen";
            }
            else
            {
                return "Red";
            }
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return null;
        }
    }
 
    /// <summary>
    /// 布尔状态显示转换
    /// </summary>
    public class IndicatorTextConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
            {
                return "TBD";
            }
            else if ((bool)value == true)
            {
                return "OK";
            }
            else
            {
                return "NG";
            }
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return null;
        }
    }
 
    [ValueConversion(typeof(float), typeof(float))]
    public class SimpleCalculationConvert : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            float input = System.Convert.ToSingle(value);
            string paraStr = parameter?.ToString();
 
            if (!(paraStr == null || paraStr.Trim().Length <= 1))
            {
                string opChar = paraStr[0].ToString();
                float para = 0;
 
                if (Single.TryParse(paraStr.Substring(1), out para))
                {
                    switch (opChar)
                    {
                        case "+":
                            input += para;
                            break;
                        case "-":
                            input -= para;
                            break;
                        case "*":
                            input *= para;
                            break;
                        case "/":
                            input /= para;
                            break;
                    }
                }
            }
 
            return input;
        }
 
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value;
        }
    }
}