142 lines
4.8 KiB
PHP
142 lines
4.8 KiB
PHP
<?php
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/**
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* Project: SmartyPaginate: Pagination for the Smarty Template Engine
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* File: function.paginate_middle.php
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* Author: Monte Ohrt <monte at newdigitalgroup dot com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* @link http://www.phpinsider.com/php/code/SmartyPaginate/
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* @copyright 2001-2005 New Digital Group, Inc.
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* @author Monte Ohrt <monte at newdigitalgroup dot com>
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* @package SmartyPaginate
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* @version 1.6-dev
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*/
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function smarty_function_paginate_middle($params, &$smarty) {
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$_id = 'default';
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$_prefix = '[';
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$_suffix = ']';
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$_link_prefix = '';
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$_link_suffix = '';
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$_page_limit = null;
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$_attrs = array();
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if (!class_exists('SmartyPaginate')) {
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$smarty->trigger_error("paginate_middle: missing SmartyPaginate class");
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return;
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}
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if (!isset($_SESSION['SmartyPaginate'])) {
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$smarty->trigger_error("paginate_middle: SmartyPaginate is not initialized, use connect() first");
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return;
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}
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foreach($params as $_key => $_val) {
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switch($_key) {
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case 'id':
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if (!SmartyPaginate::isConnected($_val)) {
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$smarty->trigger_error("paginate_middle: unknown id '$_val'");
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return;
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}
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$_id = $_val;
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break;
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case 'prefix':
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$_prefix = $_val;
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break;
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case 'suffix':
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$_suffix = $_val;
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break;
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case 'link_prefix':
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$_link_prefix = $_val;
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break;
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case 'link_suffix':
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$_link_suffix = $_val;
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break;
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case 'page_limit';
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$_page_limit = $_val;
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break;
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case 'format':
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break;
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default:
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$_attrs[] = $_key . '="' . $_val . '"';
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break;
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}
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}
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if (!isset($_SESSION['SmartyPaginate'][$_id]['item_total'])) {
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$smarty->trigger_error("paginate_middle: total was not set");
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return;
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}
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if(!isset($_page_limit) && isset($_SESSION['SmartyPaginate'][$_id]['page_limit'])) {
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$_page_limit = $_SESSION['SmartyPaginate'][$_id]['page_limit'];
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}
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$_url = $_SESSION['SmartyPaginate'][$_id]['url'];
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$_total = SmartyPaginate::getTotal($_id);
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$_curr_item = SmartyPaginate::getCurrentItem($_id);
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$_limit = SmartyPaginate::getLimit($_id);
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$_item = 1;
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$_page = 1;
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$_display_pages = 0;
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$_ret = '';
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$_attrs = !empty($_attrs) ? ' ' . implode(' ', $_attrs) : '';
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if(isset($_page_limit)) {
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// find halfway point
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$_page_limit_half = floor($_page_limit / 2);
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// determine what item/page we start with
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$_item_start = $_curr_item - $_limit * $_page_limit_half;
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if( ($_view = ceil(($_total - $_item_start) / $_limit)) < $_page_limit) {
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$_item_start -= ($_limit * ( $_page_limit - $_view ));
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}
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$_item = ($_item_start >= 1) ? $_item_start : 1;
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$_page = ceil($_item / $_limit);
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}
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while($_item <= $_total) {
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if(isset($params['format']) && $params['format'] == 'page') {
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$_text = $_prefix . $_page . $_suffix;
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} else {
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$_text = $_prefix . $_item . '-';
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$_text .= ($_item + $_limit - 1 <= $_total) ? $_item + $_limit - 1 : $_total;
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$_text .= $_suffix;
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}
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if($_item != $_curr_item) {
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$_this_url = $_url;
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$_this_url .= (strpos($_url, '?') === false) ? '?' : '&';
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$_this_url .= SmartyPaginate::getUrlVar($_id) . '=' . $_item;
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$_ret .= $_link_prefix . '<a href="' . str_replace('&', '&', $_this_url) . '"' . $_attrs . '>' . $_text . '</a>' . $_link_suffix;
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} else {
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$_ret .= $_link_prefix . $_text . $_link_suffix;
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}
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$_item += $_limit;
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$_page++;
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$_display_pages++;
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if(isset($_page_limit) && $_display_pages == $_page_limit)
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break;
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}
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return $_ret;
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}
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?>
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