kev/Drawer/UCDraw/SigmaDrawerElement/Converter/WellFontExConverter.cs

using System;
using System.ComponentModel;
using System.Globalization;
using GeoSigma.SigmaDrawerStyle;
using GeoSigma.SigmaDrawerStyle.Converter;

namespace GeoSigma.SigmaDrawerElement.Converter
{
    /// <summary>
    /// 字体 Converter
    /// </summary>
    public class WellFontExConverter : BaseTypeConverter
    {
        /// <inheritdoc/>
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        {
            return destinationType == typeof(string) || base.CanConvertTo(context, destinationType);
        }

        /// <inheritdoc/>
        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture,
            object value, Type destinationType)
        {
            if (destinationType == typeof(string) && value is WellFontEx font)
            {
                return $"{font.FontName}";
            }

            return base.ConvertTo(context, culture, value, destinationType);
        }

        /// <inheritdoc/>
        public override bool GetPropertiesSupported(ITypeDescriptorContext context)
        {
            return true;
        }

        /// <inheritdoc/>
        public override PropertyDescriptorCollection GetProperties(
            ITypeDescriptorContext context,
            object value, Attribute[] attributes)
        {
            return TypeDescriptor.GetProperties(typeof(WellFontEx), attributes);
        }
    }
}