/// <summary>
/// Gets the comma-separated "action" sequence of characters from
/// </summary>
/// <param name="keyboard">The on-screen keyboard representation</param>
/// <param name="input">The text input to translate</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
public string GetPath(IKeyboard keyboard, string input)
{
List <char> path = new List <char>();
if (keyboard == null)
{
throw new ArgumentNullException();
}
if (!string.IsNullOrEmpty(input))
{
char lastkey = 'A';
foreach (var nextkey in input.ToUpper())
{
if (nextkey == ' ')
{
path.Add('S');
}
else
{
var cursorPath = keyboard.GetCursorPath(lastkey, nextkey)
.Select(mc => Enum.GetName(typeof(MoveCursor), mc)[0])
.ToArray();
if (cursorPath.Length > 0)
{
path.AddRange(cursorPath);
path.Add('#');
}
lastkey = nextkey;
}
}
}
return(string.Join(",", path));
}