public void actionPerformed(java.awt.event.ActionEvent ev) { if (ev != null && ev.getSource() instanceof JCheckBox) { for (int i = 0; i < chkBoxes.length; i++) { if (chkBoxes[i] == ev.getSource()) { EventSoundsElement evse = evs.createElement(i); evse.setEnabled(chkBoxes[i].isSelected() ? JDomUtility.DEFAULT : JDomUtility.FALSE); updateDisplayFor(i); break; } } } }