Current File : /www/varak.net/paste.varak.net.old/libs/SmartyPaginate.class.php
<?php
/**
* Project: SmartyPaginate: Pagination for the Smarty Template Engine
* File: SmartyPaginate.class.php
*
* 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
*/
class SmartyPaginate {
/**
* Class Constructor
*/
function SmartyPaginate() { }
/**
* initialize the session data
*
* @param string $id the pagination id
* @param string $formvar the variable containing submitted pagination information
*/
function connect($id = 'default', $formvar = null) {
if(!isset($_SESSION['SmartyPaginate'][$id])) {
SmartyPaginate::reset($id);
}
// use $_GET by default unless otherwise specified
$_formvar = isset($formvar) ? $formvar : $_GET;
// set the current page
$_total = SmartyPaginate::getTotal($id);
if(isset($_formvar[SmartyPaginate::getUrlVar($id)]) && $_formvar[SmartyPaginate::getUrlVar($id)] > 0 && (!isset($_total) || $_formvar[SmartyPaginate::getUrlVar($id)] <= $_total))
$_SESSION['SmartyPaginate'][$id]['current_item'] = $_formvar[$_SESSION['SmartyPaginate'][$id]['urlvar']];
}
/**
* see if session has been initialized
*
* @param string $id the pagination id
*/
function isConnected($id = 'default') {
return isset($_SESSION['SmartyPaginate'][$id]);
}
/**
* reset/init the session data
*
* @param string $id the pagination id
*/
function reset($id = 'default') {
$_SESSION['SmartyPaginate'][$id] = array(
'item_limit' => 10,
'item_total' => null,
'current_item' => 1,
'urlvar' => 'next',
'url' => $_SERVER['PHP_SELF'],
'prev_text' => 'prev',
'next_text' => 'next',
'first_text' => 'first',
'last_text' => 'last'
);
}
/**
* clear the SmartyPaginate session data
*
* @param string $id the pagination id
*/
function disconnect($id = null) {
if(isset($id))
unset($_SESSION['SmartyPaginate'][$id]);
else
unset($_SESSION['SmartyPaginate']);
}
/**
* set maximum number of items per page
*
* @param string $id the pagination id
*/
function setLimit($limit, $id = 'default') {
if(!preg_match('!^\d+$!', $limit)) {
trigger_error('SmartyPaginate setLimit: limit must be an integer.');
return false;
}
settype($limit, 'integer');
if($limit < 1) {
trigger_error('SmartyPaginate setLimit: limit must be greater than zero.');
return false;
}
$_SESSION['SmartyPaginate'][$id]['item_limit'] = $limit;
}
/**
* get maximum number of items per page
*
* @param string $id the pagination id
*/
function getLimit($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['item_limit'];
}
/**
* set the total number of items
*
* @param int $total the total number of items
* @param string $id the pagination id
*/
function setTotal($total, $id = 'default') {
if(!preg_match('!^\d+$!', $total)) {
trigger_error('SmartyPaginate setTotal: total must be an integer.');
return false;
}
settype($total, 'integer');
if($total < 0) {
trigger_error('SmartyPaginate setTotal: total must be positive.');
return false;
}
$_SESSION['SmartyPaginate'][$id]['item_total'] = $total;
}
/**
* get the total number of items
*
* @param string $id the pagination id
*/
function getTotal($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['item_total'];
}
/**
* set the url used in the links, default is $PHP_SELF
*
* @param string $url the pagination url
* @param string $id the pagination id
*/
function setUrl($url, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['url'] = $url;
}
/**
* get the url variable
*
* @param string $id the pagination id
*/
function getUrl($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['url'];
}
/**
* set the url variable ie. ?next=10
* ^^^^
* @param string $url url pagination varname
* @param string $id the pagination id
*/
function setUrlVar($urlvar, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['urlvar'] = $urlvar;
}
/**
* get the url variable
*
* @param string $id the pagination id
*/
function getUrlVar($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['urlvar'];
}
/**
* set the current item (usually done automatically by next/prev links)
*
* @param int $item index of the current item
* @param string $id the pagination id
*/
function setCurrentItem($item, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['current_item'] = $item;
}
/**
* get the current item
*
* @param string $id the pagination id
*/
function getCurrentItem($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['current_item'];
}
/**
* get the current item index
*
* @param string $id the pagination id
*/
function getCurrentIndex($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['current_item'] - 1;
}
/**
* get the last displayed item
*
* @param string $id the pagination id
*/
function getLastItem($id = 'default') {
$_total = SmartyPaginate::getTotal($id);
$_limit = SmartyPaginate::getLimit($id);
$_last = SmartyPaginate::getCurrentItem($id) + $_limit - 1;
return ($_last <= $_total) ? $_last : $_total;
}
/**
* assign $paginate var values
*
* @param obj &$smarty the smarty object reference
* @param string $var the name of the assigned var
* @param string $id the pagination id
*/
function assign(&$smarty, $var = 'paginate', $id = 'default') {
if(is_object($smarty) && (strtolower(get_class($smarty)) == 'smarty' || is_subclass_of($smarty, 'smarty'))) {
$_paginate['total'] = SmartyPaginate::getTotal($id);
$_paginate['first'] = SmartyPaginate::getCurrentItem($id);
$_paginate['last'] = SmartyPaginate::getLastItem($id);
$_paginate['page_current'] = ceil(SmartyPaginate::getLastItem($id) / SmartyPaginate::getLimit($id));
$_paginate['page_total'] = ceil(SmartyPaginate::getTotal($id)/SmartyPaginate::getLimit($id));
$_paginate['size'] = $_paginate['last'] - $_paginate['first'];
$_paginate['url'] = SmartyPaginate::getUrl($id);
$_paginate['urlvar'] = SmartyPaginate::getUrlVar($id);
$_paginate['current_item'] = SmartyPaginate::getCurrentItem($id);
$_paginate['prev_text'] = SmartyPaginate::getPrevText($id);
$_paginate['next_text'] = SmartyPaginate::getNextText($id);
$_paginate['limit'] = SmartyPaginate::getLimit($id);
$_item = 1;
$_page = 1;
while($_item <= $_paginate['total']) {
$_paginate['page'][$_page]['number'] = $_page;
$_paginate['page'][$_page]['item_start'] = $_item;
$_paginate['page'][$_page]['item_end'] = ($_item + $_paginate['limit'] - 1 <= $_paginate['total']) ? $_item + $_paginate['limit'] - 1 : $_paginate['total'];
$_paginate['page'][$_page]['is_current'] = ($_item == $_paginate['current_item']);
$_item += $_paginate['limit'];
$_page++;
}
$smarty->assign($var, $_paginate);
} else {
trigger_error("SmartyPaginate: [assign] I need a valid Smarty object.");
return false;
}
}
/**
* set the default text for the "previous" page link
*
* @param string $text index of the current item
* @param string $id the pagination id
*/
function setPrevText($text, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['prev_text'] = $text;
}
/**
* get the default text for the "previous" page link
*
* @param string $id the pagination id
*/
function getPrevText($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['prev_text'];
}
/**
* set the text for the "next" page link
*
* @param string $text index of the current item
* @param string $id the pagination id
*/
function setNextText($text, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['next_text'] = $text;
}
/**
* get the default text for the "next" page link
*
* @param string $id the pagination id
*/
function getNextText($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['next_text'];
}
/**
* set the text for the "first" page link
*
* @param string $text index of the current item
* @param string $id the pagination id
*/
function setFirstText($text, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['first_text'] = $text;
}
/**
* get the default text for the "first" page link
*
* @param string $id the pagination id
*/
function getFirstText($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['first_text'];
}
/**
* set the text for the "last" page link
*
* @param string $text index of the current item
* @param string $id the pagination id
*/
function setLastText($text, $id = 'default') {
$_SESSION['SmartyPaginate'][$id]['last_text'] = $text;
}
/**
* get the default text for the "last" page link
*
* @param string $id the pagination id
*/
function getLastText($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['last_text'];
}
/**
* set default number of page groupings in {paginate_middle}
*
* @param string $id the pagination id
*/
function setPageLimit($limit, $id = 'default') {
if(!preg_match('!^\d+$!', $limit)) {
trigger_error('SmartyPaginate setPageLimit: limit must be an integer.');
return false;
}
settype($limit, 'integer');
if($limit < 1) {
trigger_error('SmartyPaginate setPageLimit: limit must be greater than zero.');
return false;
}
$_SESSION['SmartyPaginate'][$id]['page_limit'] = $limit;
}
/**
* get default number of page groupings in {paginate_middle}
*
* @param string $id the pagination id
*/
function getPageLimit($id = 'default') {
return $_SESSION['SmartyPaginate'][$id]['page_limit'];
}
/**
* get the previous page of items
*
* @param string $id the pagination id
*/
function _getPrevPageItem($id = 'default') {
$_prev_item = $_SESSION['SmartyPaginate'][$id]['current_item'] - $_SESSION['SmartyPaginate'][$id]['item_limit'];
return ($_prev_item > 0) ? $_prev_item : false;
}
/**
* get the previous page of items
*
* @param string $id the pagination id
*/
function _getNextPageItem($id = 'default') {
$_next_item = $_SESSION['SmartyPaginate'][$id]['current_item'] + $_SESSION['SmartyPaginate'][$id]['item_limit'];
return ($_next_item <= $_SESSION['SmartyPaginate'][$id]['item_total']) ? $_next_item : false;
}
}
?>
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