public void actionPerformed(ActionEvent ae) {
loadContinuousDistributionPaneValues(distributionPane, node.getCnNormalDistribution());
}
};
distributionPane.addConfirmButtonActionListener(confirmAL);
distributionPane.addCancelButtonActionListener(restoreValuesFromDistributionAL);
distributionPane.addParentStateChangeActionListener(restoreValuesFromDistributionAL);
// moved into #setDistributionPane(JPanel)