/**
     * Prepares the list of items for displaying.
     */
    public function prepare_items() {
    
        $columns = $this->get_columns(); 
        $hidden = array();
        $sortable = $this->get_sortable_columns();

        $per_page = 10;
        $current_page = $this->get_pagenum();
        $offset = ( $current_page - 1 ) * $per_page;

        $this->_column_headers = array($columns, $hidden, $sortable);

        $args = array(
                'numberposts' => $per_page,
                'offset'      => $offset,
        );
        
        if( isset( $_REQUEST['orderby'] ) && isset( $_REQUEST['order'] ) ) {
            $args['orderby'] = $_REQUEST['orderby'];
            $args['order'] = $_REQUEST['order'];
        }

        $this->items = woo_deposits_get_orders($args);

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