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Code simplification of commit 3172

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git-svn-id: http://piwigo.org/svn/trunk@3173 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
patdenice
2009-03-06 01:06:18 +00:00
parent 254aee2695
commit 9d1bff0697
3 changed files with 60 additions and 94 deletions
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include/functions.inc.php
+12 -26
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@@ -1501,6 +1501,7 @@ function create_navigation_bar($url, $nb_element, $start, $nb_element_page, $cle
{
global $conf;
$navbar = array();
$pages_around = $conf['paginate_pages_around'];
$start_str = $clean_url ? '/start-' : (strpos($url, '?')===false ? '?':'&').'start=';
@@ -1509,54 +1510,39 @@ function create_navigation_bar($url, $nb_element, $start, $nb_element_page, $cle
$start = 0;
}
$navbar = array();
// navigation bar useful only if more than one page to display !
if ($nb_element > $nb_element_page)
{
// current page and last page
$cur_page = ceil($start / $nb_element_page) + 1;
$maximum = ceil($nb_element / $nb_element_page);
$previous = $start - $nb_element_page;
$next = $start + $nb_element_page;
$last = ($maximum - 1) * $nb_element_page;
$navbar['CURRENT_PAGE'] = $cur_page;
// link to first page ?
// link to first page and previous page?
if ($cur_page != 1)
{
$navbar['URL_FIRST'] = $url;
}
// link on previous page ?
if ($start != 0)
{
$previous = $start - $nb_element_page;
$navbar['URL_PREV'] = $url.($previous > 0 ? $start_str.$previous : '');
}
// link on next page ?
if ($nb_element > $nb_element_page and $start + $nb_element_page < $nb_element)
{
$next = $start + $nb_element_page;
$navbar['URL_NEXT'] = $url.$start_str.$next;
}
// link to last page ?
// link on next page and last page?
if ($cur_page != $maximum)
{
$temp_start = ($maximum - 1) * $nb_element_page;
$navbar['URL_LAST'] = $url.$start_str.$temp_start;
$navbar['URL_NEXT'] = $url.$start_str.$next;
$navbar['URL_LAST'] = $url.$start_str.$last;
}
// pages to display
$navbar['pages'] = array();
$navbar['pages'][1] = $url;
$navbar['pages'][$maximum] = $url.$start_str. ($maximum - 1) * $nb_element_page;
$navbar['pages'][$maximum] = $url.$start_str.$last;
for ($i = $cur_page - $pages_around, $stop = $cur_page + $pages_around + 1; $i < $stop; $i++)
for ($i = max($cur_page - $pages_around , 2), $stop = min($cur_page + $pages_around + 1, $maximum);
$i < $stop; $i++)
{
if ($i < 2 or $i > $maximum - 1)
{
continue;
}
$navbar['pages'][$i] = $url.$start_str. ($i - 1) * $nb_element_page;
$navbar['pages'][$i] = $url.$start_str.(($i - 1) * $nb_element_page);
}
ksort($navbar['pages']);
}