using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.PPC.Jobs.Models;

namespace Tango.PPC.Jobs.UndoRedoCommands
{
    public class ChangeLengthCommand : IUndoRedoCommand
    {
        private SegmentModel _segment;
        private double _oldValue;
        private double _newValue;

        public ChangeLengthCommand(SegmentModel segment, double oldvalue, double newValue)
        {
            _segment = segment;
            _oldValue = oldvalue;
            _newValue = newValue;
        }

        public void Execute()
        {
            if (_segment == null)
                return;

            _segment.Length = _newValue;
        }

        public void UnExecute()
        {
            if (_segment == null)
                return;

            _segment.Length = _oldValue;
        }
    }
}