public bool AreWordsValid()
{
bool isValid = true;
var wordList = _gameBoard.GetWordList();
var invalidWords = new List <GameBoard.WordCoordinate>();
//
// 0 here means that the board was invalid (tiles not properly placed).
//
if (wordList.Count == 0)
{
return(false);
}
//
// Go through all the words and look them up in the dictionary.
//
foreach (var wc in wordList)
{
if (!_dictionary.IsAValidWord(wc._string))
{
isValid = false;
invalidWords.Add(wc);
}
}
//
// If the board isn't valid, signal to the UI page to highlight the invalid tiles
//
if (!isValid)
{
var invalidPoints = new List <Point>();
foreach (var wc in invalidWords)
{
//
// Begin and End of WordCoordinates give us the two endpoints of an invalid
// word. All tiles in between those must be marked invalid as well.
//
if (wc._begin.X == wc._end.X)
{
var variable = wc._begin.Y;
while (variable <= wc._end.Y)
{
var newPoint = new Point(wc._begin.X, variable);
invalidPoints.Add(newPoint);
variable++;
}
}
else if (wc._begin.Y == wc._end.Y)
{
var variable = wc._begin.X;
while (variable <= wc._end.X)
{
var newPoint = new Point(variable, wc._begin.Y);
invalidPoints.Add(newPoint);
variable++;
}
}
}
OnInvalidWordUiUpdate(invalidPoints);
}
return(isValid);
}
