using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.Commands;

namespace Tango.Editors
{
    /// <summary>
    /// Represents a component which supports Undo/Redo operations.
    /// </summary>
    public interface ISupportUndoRedoOperations
    {
        /// <summary>
        /// Gets or sets a value indicating whether to enable undo and redo operations using the keyboard.
        /// </summary>
        bool EnableKeyboardUndoRedoOperations { get; set; }

        /// <summary>
        /// Gets or sets the undo redo states provider instance.
        /// </summary>
        IUndoRedoStatesProvider UndoRedoStatesProvider { get; set; }

        /// <summary>
        /// Performs undo operation.
        /// </summary>
        void Undo();

        /// <summary>
        /// Redoes the last undo operation.
        /// </summary>
        void Redo();

        /// <summary>
        /// Invokes the <see cref="Undo"/> method.
        /// </summary>
        RelayCommand UndoCommand { get; set; }

        /// <summary>
        /// Invokes the <see cref="Redo"/> method.
        /// </summary>
        RelayCommand RedoCommand { get; set; }
    }
}