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<?php
/**
* Elgg pagination
*
* @package Elgg
* @subpackage Core
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Curverider Ltd
* @copyright Curverider Ltd 2008-2009
* @link http://elgg.org/
*
*/
if (!isset($vars['offset'])) {
$offset = 0;
} else {
$offset = $vars['offset'];
}
if ((!isset($vars['limit'])) || (!$limit)) {
$limit = 10;
} else {
$limit = (int)$vars['limit'];
}
if (!isset($vars['count'])) {
$count = 0;
} else {
$count = $vars['count'];
}
if (!isset($vars['word'])) {
$word = "offset";
} else {
$word = $vars['word'];
}
if (isset($vars['nonefound'])) {
$nonefound = $vars['nonefound'];
} else {
$nonefound = true;
}
$totalpages = ceil($count / $limit);
$currentpage = ceil($offset / $limit) + 1;
$baseurl = preg_replace('/[\&\?]'.$word.'\=[0-9]*/',"",$vars['baseurl']);
//only display if there is content to paginate through or if we already have an offset
if (($count > $limit || $offset > 0) && get_context() != 'widget') {
?>
<div class="pagination">
<?php
if ($offset > 0) {
$prevoffset = $offset - $limit;
if ($prevoffset < 0) $prevoffset = 0;
$prevurl = $baseurl;
if (substr_count($baseurl,'?')) {
$prevurl .= "&{$word}=" . $prevoffset;
} else {
$prevurl .= "?{$word}=" . $prevoffset;
}
echo "<a href=\"{$prevurl}\" class=\"pagination_previous\">« ". elgg_echo("previous") ."</a> ";
}
if ($offset > 0 || $offset < ($count - $limit)) {
$currentpage = round($offset / $limit) + 1;
$allpages = ceil($count / $limit);
$i = 1;
$pagesarray = array();
while ($i <= $allpages && $i <= 4) {
$pagesarray[] = $i;
$i++;
}
$i = $currentpage - 2;
while ($i <= $allpages && $i <= ($currentpage + 2)) {
if ($i > 0 && !in_array($i,$pagesarray))
$pagesarray[] = $i;
$i++;
}
$i = $allpages - 3;
while ($i <= $allpages) {
if ($i > 0 && !in_array($i,$pagesarray))
$pagesarray[] = $i;
$i++;
}
sort($pagesarray);
$prev = 0;
foreach($pagesarray as $i) {
if (($i - $prev) > 1) {
echo "<span class=\"pagination_more\">...</span>";
}
$counturl = $baseurl;
$curoffset = (($i - 1) * $limit);
if (substr_count($baseurl,'?')) {
$counturl .= "&{$word}=" . $curoffset;
} else {
$counturl .= "?{$word}=" . $curoffset;
}
if ($curoffset != $offset) {
echo " <a href=\"{$counturl}\" class=\"pagination_number\">{$i}</a> ";
} else {
echo "<span class=\"pagination_currentpage\"> {$i} </span>";
}
$prev = $i;
}
}
if ($offset < ($count - $limit)) {
$nextoffset = $offset + $limit;
if ($nextoffset >= $count) $nextoffset--;
$nexturl = $baseurl;
if (substr_count($baseurl,'?')) {
$nexturl .= "&{$word}=" . $nextoffset;
} else {
$nexturl .= "?{$word}=" . $nextoffset;
}
echo " <a href=\"{$nexturl}\" class=\"pagination_next\">" . elgg_echo("next") . " »</a>";
}
?>
<br class="clearfloat" />
</div>
<?php
} // end of pagination check if statement
?>
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