Get BP groups nav in the WP admin dashboard

bp-groups-nav.php

<?php
function ray_admin_setup_globals() {
	// ensure we're in the admin area
	if ( ! defined( 'WP_NETWORK_ADMIN' ) ) {
		return;
	}

	/* add checks here to ensure you're on your admin page before proceeding */
	
	// grab a random group
	$group = BP_Groups_Group::get_random( 1, 1 );

	// fake that we're on a single group page
	buddypress()->current_component = 'groups';
	buddypress()->groups->current_group = groups_get_group( array(
		'group_id'        => $group['groups'][0]->id,
		'populate_extras' => true,
	) );
	buddypress()->groups->current_group->is_user_member = true;
	buddypress()->groups->current_group->user_has_access = true;
	buddypress()->current_item = $group['groups'][0]->slug;
	buddypress()->is_single_item = true;
}
add_action( 'bp_setup_globals', 'ray_admin_setup_globals', 11 );

function ray_admin_init() {
	/* add checks here to ensure you're on your admin page before proceeding */
	
	// needed to run group extension code in admin area
	do_action( 'bp_actions' );

	// grab the options nav
	$group_nav = buddypress()->bp_options_nav[buddypress()->current_item];

	// undo fake globals
	buddypress()->current_component = '';
	buddypress()->groups->current_group = 0;
	buddypress()->current_item = '';
	buddypress()->is_single_item = '';	
}
add_action( 'admin_init', 'ray_admin_init' );