using System;
using System.Globalization;
using System.Windows.Data;
using System.Windows.Markup;

namespace Gestor.Application.Converters
{
	public class ExpanderHeaderConverter : MarkupExtension, IValueConverter
	{
		public ExpanderHeaderConverter()
		{
		}

		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (value == null)
			{
				return "";
			}
			if (!(value is bool))
			{
				return "";
			}
			if (!(bool)value)
			{
				return string.Format("MOSTRAR {0}", parameter);
			}
			return string.Format("OCULTAR {0}", parameter);
		}

		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
		{
			return null;
		}

		public override object ProvideValue(IServiceProvider serviceProvider)
		{
			return this;
		}
	}
}