using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Editors
{
    /// <summary>
    /// Represents the <see cref="IUndoRedoStatesProvider.StateExecuted"/> event arguments.
    /// </summary>
    /// <seealso cref="System.EventArgs" />
    public class UndoRedoStateExecutedEventArgs : EventArgs
    {
        /// <summary>
        /// Gets or sets the event arguments mode.
        /// </summary>
        public UndoRedoStateMode Mode { get; set; }

        /// <summary>
        /// Gets or sets the Undo/Redo state.
        /// </summary>
        public IUndoRedoState State { get; set; }
    }

    /// <summary>
    /// Represents the <see cref="UndoRedoStateExecutedEventArgs"/> mode.
    /// </summary>
    public enum UndoRedoStateMode
    {
        /// <summary>
        /// Undo was executed.
        /// </summary>
        Undo,
        /// <summary>
        /// Redo was executed.
        /// </summary>
        Redo,
    }
}