using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;

namespace HeuristicLab.OKB.Cockpit.Query {
  public class TypeNameConverter : IValueConverter {

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

    public static object FormatType(object value) {
      Type type = value as Type;
      if (type == null)
        return "none";
      StringBuilder sb = new StringBuilder();
      if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>)) {
        sb.Append('?');
        type = type.GetGenericArguments()[0];
      }
      if (type == typeof(Int32)) sb.Append("int");
      if (type == typeof(Double)) sb.Append("double");
      if (type == typeof(String)) sb.Append("string");
      if (type == typeof(Guid)) sb.Append("Guid");
      if (type == typeof(DateTime)) sb.Append("DateTime");
      return sb.ToString();
    }

    public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) {
      throw new NotImplementedException();
    }

  }
}