/// <summary>
/// Constructor
/// </summary>
/// <param name="parentGrid">The parent grid for the node</param>
/// <param name="letter">The letter enum used for the node</param>
/// <param name="isMandatory">Is the node required to be used in word searches</param>
/// <param name="restriction">The restrictions on the use of this node</param>
public GridNode(LetterGrid parentGrid, LetterUtil.Letter letter, bool isMandatory, PositionRestriction restriction)
{
ParentGrid = parentGrid;
Letter = letter;
AdjacentNodes = new List <GridNode>();
IsMandatory = isMandatory;
Restriction = restriction;
LetterLength = LetterUtil.GetLetterLength(Letter);
if (ParentGrid.Options.IsAnagram)
{
IsMandatory = true;
}
}
/// <summary>
/// Convenience constructor to go straight from a button
/// </summary>
/// <param name="parentGrid">The parent grid for the node</param>
/// <param name="button">The button to convert</param>
public GridNode(LetterGrid parentGrid, LetterButton button)
: this(parentGrid, button.SelectedLetter, button.IsRequired, button.Restriction)
{
}