BP_Component::setup_admin_bar( array $wp_admin_nav = array() )

	public function setup_admin_bar( $wp_admin_nav = array() ) {

		// Bail if this is an ajax request.
		if ( defined( 'DOING_AJAX' ) ) {
			return;
		}

		// Do not proceed if BP_USE_WP_ADMIN_BAR constant is not set or is false.
		if ( ! bp_use_wp_admin_bar() ) {
			return;
		}

		/**
		 * Filters the admin navigation passed into setup_admin_bar.
		 *
		 * This is a dynamic hook that is based on the component string ID.
		 *
		 * @since BuddyPress 1.9.0
		 *
		 * @param array $wp_admin_nav Array of navigation items to add.
		 */
		$wp_admin_nav = apply_filters( 'bp_' . $this->id . '_admin_nav', $wp_admin_nav );

		// Do we have Toolbar menus to add?
		if ( !empty( $wp_admin_nav ) ) {
			// Fill in position if one wasn't passed for backpat.
			$pos = 0;
			$not_set_pos = 1;
			foreach( $wp_admin_nav as $key => $nav ) {
				if ( ! isset( $nav['position'] ) ) {
					$wp_admin_nav[$key]['position'] = $pos + $not_set_pos;

					if ( 9 !== $not_set_pos ) {
						++$not_set_pos;
					}
				} else {
					$pos = $nav['position'];

					// Reset not set pos to 1
					if ( $pos % 10 === 0 ) {
						$not_set_pos = 1;
					}
				}
			}

			// Sort admin nav by position.
			$wp_admin_nav = bp_sort_by_key( $wp_admin_nav, 'position', 'num' );

			// Set this objects menus.
			$this->admin_menu = $wp_admin_nav;

			// Define the WordPress global.
			global $wp_admin_bar;

			// Add each admin menu.
			foreach( $this->admin_menu as $admin_menu ) {
				$wp_admin_bar->add_menu( $admin_menu );
			}
		}

		/**
		 * Fires at the end of the setup_admin_bar method inside BP_Component.
		 *
		 * This is a dynamic hook that is based on the component string ID.
		 *
		 * @since BuddyPress 1.5.0
		 */
		do_action( 'bp_' . $this->id . '_setup_admin_bar' );
	}