namespace Yw.WinFrmUI
{
    /// <summary>
    /// 
    /// </summary>
    public class DictionaryPropertyDescriptor : PropertyDescriptor
    {
        /// <summary>
        /// 
        /// </summary>
        public DictionaryPropertyDescriptor(IDictionary d, object key) : base(key.ToString(), null)
        {
            _dictionary = d;
            _key = key;
        }

        private IDictionary _dictionary;
        private object _key;

        /// <summary>
        /// 
        /// </summary>
        public override Type PropertyType
        {
            get
            {
                var value = _dictionary[_key];
                if (value == null)
                {
                    return typeof(string);
                }
                return value.GetType();
            }
        }

        /// <summary>
        /// 
        /// </summary>
        public override void SetValue(object component, object value)
        {
            _dictionary[_key] = value;
        }

        /// <summary>
        /// 
        /// </summary>
        public override object GetValue(object component)
        {
            return _dictionary[_key];
        }

        /// <summary>
        /// 
        /// </summary>
        public override bool IsReadOnly
        {
            get { return false; }
        }

        /// <summary>
        /// 
        /// </summary>
        public override Type ComponentType
        {
            get { return null; }
        }

        /// <summary>
        /// 
        /// </summary>
        public override bool CanResetValue(object component)
        {
            return false;
        }

        /// <summary>
        /// 
        /// </summary>
        public override void ResetValue(object component)
        {

        }

        /// <summary>
        /// 
        /// </summary>
        public override bool ShouldSerializeValue(object component)
        {
            return false;
        }


    }
}