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/********************************************************************
*
* Pagination
*
********************************************************************/
/**
* pag_npages($nrecords, $perpage) = number of pages
*/
function pag_npages($nrecords, $perpage) {
}
/**
* pag_sqllimit($page, $perpage, [$npages])
*
* checks if $page is valid and returns 'limit x,y' for sql
*/
function pag_sqllimit($page, $perpage, $npages = 0) {
if ($page<1) $page = 1;
if ($npages && $page>$npages) $page = $npages;
$start = ($page - 1) * $perpage;
return "limit {$start},{$perpage}";
}
/**
* pag_prev($curpage, $url_left, $url_right, [$linktext]) = html link to previous page
* pag_next($curpage, $npages, $url_left, $url_right, [$linktext]) = html link to next page
*/
function pag_prev($curpage, $url_left, $url_right, $linktext="") {
if (!$linktext) $linktext = _t("Vorige","Veurige");
$page = $curpage - 1;
if ($page < 1) {
return "<div class='disabled'>{$linktext}</div>";
} else {
return "<a href='{$url_left}{$page}{$url_right}'>{$linktext}</a>";
}
}
function pag_next($curpage, $npages, $url_left, $url_right, $linktext="") {
if (!$linktext) $linktext = "Volgende";
$page = $curpage + 1;
if ($page > $npages) {
return "<div class='disabled'>{$linktext}</div>";
} else {
return "<a href='{$url_left}{$page}{$url_right}'>{$linktext}</a>";
}
}
/**
* pag_numbers($curpage, $npages, $url_left, $url_right, [$ray], [$prevnext]) = "1 | 2 | 3 "
*
* $ray = # pages to show before/after current page
* $prevnext = true/false = add Previous / Next links
*/
function pag_numbers($curpage, $npages, $url_left, $url_right, $ray = 3, $prevnext = true) {
//
$nlinks = (2 * $ray) + 1;
$firstlink = $curpage - $ray;
if ($firstlink < 1) $firstlink = 1;
$lastlink = $firstlink + $nlinks - 1;
if ($lastlink > $npages) {
$firstlink -= $lastlink - $npages;
if ($firstlink < 1) $firstlink = 1;
$lastlink = $npages;
}
//
$n = '<div class="pagenav">';
if ($prevnext) {
$n = $n . pag_prev($curpage, $url_left, $url_right) . " | ";
}
//
for ($page = $firstlink; $page <= $lastlink; $page++) {
if ($page == $curpage) {
$links[] = $page;
} else {
$links[] = "<a href='{$url_left}{$page}{$url_right}'>{$page}</a>";
}
}
//
if ($prevnext) $n = $n . " | " . pag_next($curpage, $npages, $url_left, $url_right);
$n .= '</div>';
return $n;
}
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