Subversion-Projekte lars-tiefland.php_share

<?php

/**

 * Project:     SmartyPaginate: Pagination for the Smarty Template Engine

 * File:        function.paginate_middle.php

 * Author:      Monte Ohrt <monte at newdigitalgroup dot com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * @link http://www.phpinsider.com/php/code/SmartyPaginate/

 * @copyright 2001-2005 New Digital Group, Inc.

 * @author Monte Ohrt <monte at newdigitalgroup dot com>

 * @package SmartyPaginate

 * @version 1.6-dev

 */

function smarty_function_paginate_middle($params, &$smarty) {

    $_id = 'default';

    $_prefix = '[';

    $_suffix = ']';

    $_link_prefix = '';

    $_link_suffix = '';

    $_page_limit = null;

    $_attrs = array();

    if (!class_exists('SmartyPaginate')) {

        $smarty->trigger_error("paginate_middle: missing SmartyPaginate class");

        return;

    }

    if (!isset($_SESSION['SmartyPaginate'])) {

        $smarty->trigger_error("paginate_middle: SmartyPaginate is not initialized, use connect() first");

        return;

    }

    foreach($params as $_key => $_val) {

        switch($_key) {

            case 'id':

                if (!SmartyPaginate::isConnected($_val)) {

                    $smarty->trigger_error("paginate_middle: unknown id '$_val'");

                    return;

                }

                $_id = $_val;

                break;

            case 'prefix':

                $_prefix = $_val;

                break;

            case 'suffix':

                $_suffix = $_val;

                break;

            case 'link_prefix':

                $_link_prefix = $_val;

                break;

            case 'link_suffix':

                $_link_suffix = $_val;

                break;

            case 'page_limit';

                $_page_limit = $_val;

                break;

            case 'format':

                break;

            default:

                $_attrs[] = $_key . '="' . $_val . '"';

                break;

        }

    }

    if (!isset($_SESSION['SmartyPaginate'][$_id]['item_total'])) {

        $smarty->trigger_error("paginate_middle: total was not set");

        return;

    }

    if(!isset($_page_limit) && isset($_SESSION['SmartyPaginate'][$_id]['page_limit'])) {

        $_page_limit = $_SESSION['SmartyPaginate'][$_id]['page_limit'];

    }

    $_url = $_SESSION['SmartyPaginate'][$_id]['url'];

    $_total = SmartyPaginate::getTotal($_id);

    $_curr_item = SmartyPaginate::getCurrentItem($_id);

    $_limit = SmartyPaginate::getLimit($_id);

    $_item = 1;

    $_page = 1;

    $_display_pages = 0;

    $_ret = '';

    $_attrs = !empty($_attrs) ? ' ' . implode(' ', $_attrs) : '';

    if(isset($_page_limit)) {

        // find halfway point

        $_page_limit_half = floor($_page_limit / 2);

        // determine what item/page we start with

        $_item_start = $_curr_item - $_limit * $_page_limit_half;

        if( ($_view = ceil(($_total - $_item_start) / $_limit)) < $_page_limit) {

            $_item_start -= ($_limit * ( $_page_limit - $_view ));

        }

        $_item = ($_item_start >= 1) ? $_item_start : 1;

        $_page = ceil($_item / $_limit);

    }

    while($_item <= $_total) {

        if(isset($params['format']) && $params['format'] == 'page') {

            $_text = $_prefix . $_page . $_suffix;

        } else {

            $_text = $_prefix . $_item . '-';

            $_text .= ($_item + $_limit - 1 <= $_total) ? $_item + $_limit - 1 : $_total;

            $_text .= $_suffix;

        }

        if($_item != $_curr_item) {

            $_this_url = $_url;

            $_this_url .= (strpos($_url, '?') === false) ? '?' : '&';

            $_this_url .= SmartyPaginate::getUrlVar($_id) . '=' . $_item;

            $_ret .= $_link_prefix . '<a href="' . str_replace('&', '&amp;', $_this_url) . '"' . $_attrs . '>' . $_text . '</a>' . $_link_suffix;

        } else {

            $_ret .= $_link_prefix . $_text . $_link_suffix;

        }

        $_item += $_limit;

        $_page++;

        $_display_pages++;

        if(isset($_page_limit) && $_display_pages == $_page_limit)

            break;

    }

    return $_ret;

}

?>