handleSelectItemTrigger method
Called when a material select item is triggered, whether through keypress or through click.
Implementation
void handleSelectItemTrigger(
MenuItem item, MenuItemGroup group, UIEvent event) {
if (item == null || !item.enabled) return;
if (item.hasSubMenu) {
_openSubMenu(item, isOpenedByKeyboard: event is KeyboardEvent);
} else {
select(item, group);
}
}