using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Globalization;

namespace FastReport.Map
{
    internal class ShapeSpatialDataConverter : TypeConverter
    {
        public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context,
          object value, Attribute[] attributes)
        {
            return TypeDescriptor.GetProperties(value, attributes);
        }

        public override bool GetPropertiesSupported(ITypeDescriptorContext context)
        {
            return true;
        }

        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
        {
            if (sourceType == typeof(string))
                return true;
            return base.CanConvertFrom(context, sourceType);
        }

        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        {
            if (destinationType == typeof(string))
                return true;
            return base.CanConvertTo(context, destinationType);
        }

        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            if (value is string)
            {
                ShapeSpatialData data = new ShapeSpatialData();
                data.SetAsString((string)value);
                return data;
            }
            return base.ConvertFrom(context, culture, value);
        }

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            if (destinationType == typeof(string))
            {
                ShapeSpatialData data = value as ShapeSpatialData;
                if (data == null)
                    return "";
                return data.GetAsString();
            }
            return base.ConvertTo(context, culture, value, destinationType);
        }
    }
}