listFieldsPanel.add(afterCityAssignmentListField);
int result = JOptionPane.showConfirmDialog(TspListPanel.this.getRootPane(), listFieldsPanel,
"Select to move after city", JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
CityAssignment toAfterCityAssignment = (CityAssignment) afterCityAssignmentListField.getSelectedItem();
tspPanel.doMove(new SubTourChangeMove(cityAssignment, cityAssignment, toAfterCityAssignment));
tspPanel.getWorkflowFrame().updateScreen();
}
}