yListField.setSelectedItem(queen.getY());
int result = JOptionPane.showConfirmDialog(NQueensPanel.this.getRootPane(), yListField, "Select y",
JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
int toY = (Integer) yListField.getSelectedItem();
Move move = new YChangeMove(queen, toY);
solutionBusiness.doMove(move);
workflowFrame.updateScreen();
}
}