*/
protected AbstractButton getOnOffButton() {
AbstractButton onoffButton = createOnOffButton();
onoffButton.setSelectedIcon(layerOnIcon);
onoffButton.setActionCommand(toggleLayerCmd);
onoffButton.addActionListener(this);
String interString = i18n.get(LayerPane.class,
"onoffButton.tooltip",
"Turn \"{0}\" layer on/off",
layer.getName());