@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterView.AdapterContextMenuInfo menuInfo =
(AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
long id = menuInfo.id;
if (item.getItemId() == R.id.context_menu_collapse) {
mTreeStateManager.collapseChildren(id);
return true;
} else if (item.getItemId() == R.id.context_menu_expand_all) {
mTreeStateManager.expandEverythingBelow(id);
return true;
} else if (item.getItemId() == R.id.context_menu_expand_item) {
mTreeStateManager.expandDirectChildren(id);
return true;
} else if (item.getItemId() == R.id.context_menu_delete) {
mTreeStateManager.removeNodeRecursively(id);
return true;
} else {
return super.onContextItemSelected(item);
}
}
private void collapseAll() {
if (mTreeStateManager != null) mTreeStateManager.collapseChildren(null);
}