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<?php
/**
* Elgg pagination
*
* @package Elgg
* @subpackage Core
* @author Curverider Ltd
* @link http://elgg.org/
*
* @uses int $vars['offset']
* @uses int $vars['limit']
* @uses int $vars['count'] Number of entities.
* @uses string $vars['word'] Word to use in GET params for the offset
* @uses string $vars['baseurl'] Base URL to use in links
*/
$offset = (int) elgg_get_array_value('offset', $vars, 0);
// because you can say $vars['limit'] = 0
if (!$limit = (int) elgg_get_array_value('limit', $vars, 10)) {
$limit = 10;
}
$count = (int) elgg_get_array_value('count', $vars, 0);
$word = elgg_get_array_value('word', $vars, 'offset');
$baseurl = elgg_get_array_value('baseurl', $vars, current_page_url());
$totalpages = ceil($count / $limit);
$currentpage = ceil($offset / $limit) + 1;
//only display if there is content to paginate through or if we already have an offset
if (($count > $limit || $offset > 0) && get_context() != 'widget') {
?>
<div class="pagination clearfloat">
<?php
if ($offset > 0) {
$prevoffset = $offset - $limit;
if ($prevoffset < 0) {
$prevoffset = 0;
}
$prevurl = elgg_http_add_url_query_elements($baseurl, array($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>";
}
$curoffset = (($i - 1) * $limit);
$counturl = elgg_http_add_url_query_elements($baseurl, array($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--;
}
$nexturl = elgg_http_add_url_query_elements($baseurl, array($word => $nextoffset));
echo " <a href=\"{$nexturl}\" class='pagination_next'>" . elgg_echo("next") . " »</a>";
}
?>
</div>
<?php
} // end of pagination check if statement
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