BP_Members_MS_List_Table::prepare_items()

	public function prepare_items() {
		global $usersearch, $mode;

		$usersearch       = isset( $_REQUEST['s'] ) ? $_REQUEST['s'] : '';
		$signups_per_page = $this->get_items_per_page( str_replace( '-', '_', "{$this->screen->id}_per_page" ) );
		$paged            = $this->get_pagenum();

		$args = array(
			'offset'     => ( $paged - 1 ) * $signups_per_page,
			'number'     => $signups_per_page,
			'usersearch' => $usersearch,
			'orderby'    => 'signup_id',
			'order'      => 'DESC'
		);

		if ( isset( $_REQUEST['orderby'] ) ) {
			$args['orderby'] = $_REQUEST['orderby'];
		}

		if ( isset( $_REQUEST['order'] ) ) {
			$args['order'] = $_REQUEST['order'];
		}

		$mode    = empty( $_REQUEST['mode'] ) ? 'list' : $_REQUEST['mode'];
		$signups = BP_Signup::get( $args );

		$this->items         = $signups['signups'];
		$this->signup_counts = $signups['total'];

		$this->set_pagination_args( array(
			'total_items' => $this->signup_counts,
			'per_page'    => $signups_per_page,
		) );
	}