/**
* Removes leading & trailing separators (if any).
*
* @param menuAdapter the source menu via our MenuAdapter
* @return menu sans pointless separators (that separate nothing)
*/
static JComponent trim(MenuAdapter menuAdapter) {
int count = menuAdapter.getMenuComponentCount();
if (count > 0) {
Component firstComponent = menuAdapter.getMenuComponent(0);
if (firstComponent instanceof JSeparator) {
menuAdapter.remove(0);
}
int last = menuAdapter.getMenuComponentCount() - 1;
Component lastComponent = menuAdapter.getMenuComponent(last);
if (lastComponent instanceof JSeparator) {
menuAdapter.remove(last);
}
if (count > menuAdapter.getMenuComponentCount()) trim(menuAdapter);
}
return menuAdapter.getComponent();
}
