$limit) {
$output .= '';
return $output;
}
}
/**
* @} end of addtogroup themeable
*/
/**
* @name Pager pieces
* Use these pieces to construct your own custom pagers in your theme. Note
* that you should NOT modify this file to customize your pager.
* @{
*/
/**
* Format a "first page" link.
*
* @param $text
* The name (or image) of the link.
* @param $limit
* The number of query results to display per page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $attributes
* An associative array of query string parameters to append to the pager links.
* @return
* An HTML string that generates this piece of the query pager.
*/
function pager_first($text, $limit, $element = 0, $attributes = array()) {
global $pager_from_array;
if ($pager_from_array[$element]) {
return ''. $text .'';
}
else {
// We are already at the first page, so return nothing.
return ' ';
}
}
/**
* Format a "previous page" link.
*
* @param $text
* The name (or image) of the link.
* @param $limit
* The number of query results to display per page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $interval
* The number of pages to move backward when the link is clicked.
* @param $attributes
* An associative array of query string parameters to append to the pager links.
* @return
* An HTML string that generates this piece of the query pager.
*/
function pager_previous($text, $limit, $element = 0, $interval = 1, $attributes = array()) {
global $pager_from_array;
$from_new = pager_load_array(((int)$pager_from_array[$element] - ((int)$limit * (int)$interval)), $element, $pager_from_array);
if ($from_new[$element] < 1) {
return pager_first($text, $limit, $element, $attributes);
}
return ''. $text .'';
}
/**
* Format a "next page" link.
*
* @param $text
* The name (or image) of the link.
* @param $limit
* The number of query results to display per page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $interval
* The number of pages to move forward when the link is clicked.
* @param $attributes
* An associative array of query string parameters to append to the pager links.
* @return
* An HTML string that generates this piece of the query pager.
*/
function pager_next($text, $limit, $element = 0, $interval = 1, $attributes = array()) {
global $pager_from_array, $pager_total;
$from_new = pager_load_array(((int)$pager_from_array[$element] + ((int)$limit * (int)$interval)), $element, $pager_from_array);
if ($from_new[$element] < $pager_total[$element]) {
return ''. $text .'';
}
return ' ';
}
/**
* Format a "last page" link.
*
* @param $text
* The name (or image) of the link.
* @param $limit
* The number of query results to display per page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $attributes
* An associative array of query string parameters to append to the pager links.
* @return
* An HTML string that generates this piece of the query pager.
*/
function pager_last($text, $limit, $element = 0, $attributes = array()) {
global $pager_from_array, $pager_total;
$from_new = pager_load_array(($pager_total[$element] - ($pager_total[$element] % $limit)), $element, $pager_from_array);
if ($from_new[$element] < ($pager_from_array[$element] + $limit)) {
return pager_next($text, $limit, $element, 1, $attributes);
}
if (($from_new[$element] > $pager_from_array[$element]) && ($from_new[$element] > 0) && $from_new[$element] < $pager_total[$element]) {
return ''. $text .'';
}
return ' ';
}
/**
* Format a summary of the current pager position, such as "6 through 10 of 52".
*
* @param $limit
* The number of query results to display per page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $format
* A printf-style format string for customizing the pager text.
* @return
* An HTML string that generates this piece of the query pager.
*/
function pager_detail($limit, $element = 0, $format = '%d through %d of %d.') {
global $pager_from_array, $pager_total;
$output = '';
if ($pager_total[$element] > (int)$pager_from_array[$element] + 1) {
$output = sprintf($format, (int)$pager_from_array[$element] + 1, ((int)$pager_from_array[$element] + $limit <= $pager_total[$element] ? (int)$pager_from_array[$element] + $limit : $pager_total[$element]), $pager_total[$element]);
}
return $output;
}
/**
* Format a list of nearby pages with additional query results.
*
* @param $limit
* The number of query results to display per page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $quantity
* The number of pages in the list.
* @param $text
* A string of text to display before the page list.
* @param $attributes
* An associative array of query string parameters to append to the pager links.
* @return
* An HTML string that generates this piece of the query pager.
*/
function pager_list($limit, $element = 0, $quantity = 5, $text = '', $attributes = array()) {
global $pager_from_array, $pager_total;
// Calculate various markers within this pager piece:
// Middle is used to "center" pages around the current page.
$pager_middle = ceil((int)$quantity / 2);
// offset adds "offset" second page
$pager_offset = (int)$pager_from_array[$element] % (int)$limit;
// current is the page we are currently paged to
if (($pager_current = (ceil(($pager_from_array[$element] + 1) / $limit))) < 1) {
$pager_current = 1;
}
// first is the first page listed by this pager piece (re quantity)
$pager_first = (int)$pager_current - (int)$pager_middle + 1;
// last is the last page listed by this pager piece (re quantity)
$pager_last = (int)$pager_current + (int)$quantity - (int)$pager_middle;
// max is the maximum number of pages content can is divided into
if (!$pager_max = (ceil($pager_total[$element] / $limit))) {
$pager_max = 1;
}
if ((int)$pager_offset) {
// adjust for offset second page
$pager_max++;
$pager_current++;
}
// End of marker calculations.
// Prepare for generation loop.
$i = (int)$pager_first;
if ($pager_last > $pager_max) {
// Adjust "center" if at end of query.
$i = $i + (int)($pager_max - $pager_last);
$pager_last = $pager_max;
}
if ($i <= 0) {
// Adjust "center" if at start of query.
$pager_last = $pager_last + (1 - $i);
$i = 1;
}
// End of generation loop preparation.
// When there is more than one page, create the pager list.
if ($i != $pager_max) {
$output = $text;
if ($i > 1) {
$output .= '... ';
}
// Now generate the actual pager piece.
for (; $i <= $pager_last && $i <= $pager_max; $i++) {
if ($i < $pager_current) {
$output .= pager_previous($i, $limit, $element, ($pager_current - $i), $attributes) ." ";
}
if ($i == $pager_current) {
$output .= ''. $i .' ';
}
if ($i > $pager_current) {
$output .= pager_next($i, $limit, $element, ($i - $pager_current), $attributes) ." ";
}
}
if ($i < $pager_max) {
$output .= '...';
}
}
return $output;
}
/* @} End of member group pager pieces */
/**
* Format a link to a specific query result page.
*
* @param $from_new
* The first result to display on the linked page.
* @param $element
* An optional integer to distinguish between multiple pagers on one page.
* @param $attributes
* An associative array of query string parameters to append to the pager link.
* @return
* An HTML string that generates the link.
*/
function pager_link($from_new, $element, $attributes = array()) {
$q = $_GET['q'];
$from = array_key_exists('from', $_GET) ? $_GET['from'] : '';
foreach($attributes as $key => $value) {
$query[] = $key .'='. $value;
}
$from_new = pager_load_array($from_new[$element], $element, explode(',', $from));
if (count($attributes)) {
$url = url($q, 'from='. implode($from_new, ',') .'&'. implode('&', $query));
}
else {
$url = url($q, 'from='. implode($from_new, ','));
}
return $url;
}
function pager_load_array($value, $element, $old_array) {
$new_array = $old_array;
// look for empty elements
for ($i = 0; $i < $element; $i++) {
if (!$new_array[$i]) {
// load found empty element with 0
$new_array[$i] = 0;
}
}
// update the changed element
$new_array[$element] = (int)$value;
return $new_array;
}
?>