public void actionPerformed(ActionEvent event) {
JButton button = (JButton) event.getSource();
String location = button.getName().substring(8);
int row = Integer.parseInt(location.substring(0, 1));
int column = Integer.parseInt(location.substring(1, 2));
model.markBoard(row, column);
button.setText(model.checkSpot(row, column));
checkForWin(row, column);
}
