public void Undo()
{
if (_commands.Count == 0 || Head <= 0)
{
return;
}
Head -= 1;
Commands.Command command = _commands[Head];
command.Undo();
}
private void AcceptCommand(string cmd, string path)
{
if (commands.ContainsKey(cmd))
{
Commands.Command cmnd = (Commands.Command)commands[cmd];
cmnd.Path = path;
cmnd.Execute();
}
else
{
Console.Beep();
Console.WriteLine("Bad command!");
}
}
public void ExecuteNext()
{
if (_commands.Count == 0 || Head >= _commands.Count)
{
return;
}
if (Head == -1)
{
Head = 0;
}
Commands.Command command = _commands[Head];
command.Execute();
Head += 1;
}
public void AddRequest(Commands.Command command)
{
_commands.Add(command);
}
