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Saving files now works #619

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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import edu.rpi.legup.model.PuzzleExporter;
import edu.rpi.legup.model.gameboard.PuzzleElement;
import edu.rpi.legup.puzzle.nurikabe.NurikabeBoard;
import org.w3c.dom.Document;

public class ShortTruthTableExporter extends PuzzleExporter {
Expand All @@ -12,7 +13,11 @@ public ShortTruthTableExporter(ShortTruthTable stt) {

@Override
protected org.w3c.dom.Element createBoardElement(Document newDocument) {
ShortTruthTableBoard board = (ShortTruthTableBoard) puzzle.getTree().getRootNode().getBoard();
ShortTruthTableBoard board;
if (puzzle.getTree() != null)
board = (ShortTruthTableBoard) puzzle.getTree().getRootNode().getBoard();
else
board = (ShortTruthTableBoard) puzzle.getBoardView().getBoard();

org.w3c.dom.Element boardElement = newDocument.createElement("board");

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