public void actionPerformed(ActionEvent e) {
String command = e.getActionCommand();
if (command == null) return;
if (command.equals(moreLabel)) {
Point bloc = moreButton.getLocation();
pm.show(this, bloc.x, bloc.y);
} else if (command.equals("Convert to RGB")) IJ.doCommand("Stack to RGB");
else IJ.doCommand(command);
}
void addPopupItem(String s) {
MenuItem mi = new MenuItem(s);
mi.addActionListener(this);
pm.add(mi);
}