using System;

namespace JD.Collections
{
    /// <summary>
    /// Event Args for the <see cref="ObservableList{T}.CollectionChanged"/> event.
    /// </summary>
    public class CollectionChangedEventArgs<T> : EventArgs
    {
        private readonly T m_item;

        private readonly CollectionChangeAction m_action;
        
        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="action"></param>
        /// <param name="item"></param>
        public CollectionChangedEventArgs(CollectionChangeAction action, T item)
        {
            m_item = item;
            m_action = action;
        }

        /// <summary>
        /// Action.
        /// </summary>
        public CollectionChangeAction Action
        {
            get
            {
                return m_action;
            }
        }

        public T Item
        {
            get
            {
                return m_item;
            }
        }
    }
}