Move $pager and $page_offset out of App

- Move infinite scroll data output in a module hook
- Use Pager instead of paginate() and alt_pager()
This commit is contained in:
Hypolite Petovan 2018-10-24 02:15:24 -04:00
parent a976a4cb68
commit 14237a9599
29 changed files with 234 additions and 385 deletions

View file

@ -262,132 +262,6 @@ function unxmlify($s) {
return $ret;
}
/**
* @brief Paginator function. Pushes relevant links in a pager array structure.
*
* Links are generated depending on the current page and the total number of items.
* Inactive links (like "first" and "prev" on page 1) are given the "disabled" class.
* Current page link is given the "active" CSS class
*
* @param App $a App instance
* @param int $count [optional] item count (used with minimal pager)
* @return Array data for pagination template
*/
function paginate_data(App $a, $count = null) {
$stripped = preg_replace('/([&?]page=[0-9]*)/', '', $a->query_string);
$stripped = str_replace('q=', '', $stripped);
$stripped = trim($stripped, '/');
$pagenum = $a->pager['page'];
if (($a->page_offset != '') && !preg_match('/[?&].offset=/', $stripped)) {
$stripped .= '&offset=' . urlencode($a->page_offset);
}
$url = $stripped;
$data = [];
function _l(&$d, $name, $url, $text, $class = '') {
if (strpos($url, '?') === false && ($pos = strpos($url, '&')) !== false) {
$url = substr($url, 0, $pos) . '?' . substr($url, $pos + 1);
}
$d[$name] = ['url' => $url, 'text' => $text, 'class' => $class];
}
if (!is_null($count)) {
// minimal pager (newer / older)
$data['class'] = 'pager';
_l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), L10n::t('newer'), 'previous' . ($a->pager['page'] == 1 ? ' disabled' : ''));
_l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), L10n::t('older'), 'next' . ($count <= 0 ? ' disabled' : ''));
} else {
// full pager (first / prev / 1 / 2 / ... / 14 / 15 / next / last)
$data['class'] = 'pagination';
if ($a->pager['total'] > $a->pager['itemspage']) {
_l($data, 'first', $url . '&page=1', L10n::t('first'), $a->pager['page'] == 1 ? 'disabled' : '');
_l($data, 'prev', $url . '&page=' . ($a->pager['page'] - 1), L10n::t('prev'), $a->pager['page'] == 1 ? 'disabled' : '');
$numpages = $a->pager['total'] / $a->pager['itemspage'];
$numstart = 1;
$numstop = $numpages;
// Limit the number of displayed page number buttons.
if ($numpages > 8) {
$numstart = (($pagenum > 4) ? ($pagenum - 4) : 1);
$numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 8));
}
$pages = [];
for ($i = $numstart; $i <= $numstop; $i++) {
if ($i == $a->pager['page']) {
_l($pages, $i, '#', $i, 'current active');
} else {
_l($pages, $i, $url . '&page='. $i, $i, 'n');
}
}
if (($a->pager['total'] % $a->pager['itemspage']) != 0) {
if ($i == $a->pager['page']) {
_l($pages, $i, '#', $i, 'current active');
} else {
_l($pages, $i, $url . '&page=' . $i, $i, 'n');
}
}
$data['pages'] = $pages;
$lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
_l($data, 'next', $url . '&page=' . ($a->pager['page'] + 1), L10n::t('next'), $a->pager['page'] == $lastpage ? 'disabled' : '');
_l($data, 'last', $url . '&page=' . $lastpage, L10n::t('last'), $a->pager['page'] == $lastpage ? 'disabled' : '');
}
}
return $data;
}
/**
* Automatic pagination.
*
* To use, get the count of total items.
* Then call $a->set_pager_total($number_items);
* Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
* Then call paginate($a) after the end of the display loop to insert the pager block on the page
* (assuming there are enough items to paginate).
* When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
* will limit the results to the correct items for the current page.
* The actual page handling is then accomplished at the application layer.
*
* @param App $a App instance
* @return string html for pagination #FIXME remove html
*/
function paginate(App $a) {
$data = paginate_data($a);
$tpl = get_markup_template("paginate.tpl");
return replace_macros($tpl, ["pager" => $data]);
}
/**
* Alternative pager
* @param App $a App instance
* @param int $i
* @return string html for pagination #FIXME remove html
*/
function alt_pager(App $a, $i) {
$data = paginate_data($a, $i);
$tpl = get_markup_template("paginate.tpl");
return replace_macros($tpl, ['pager' => $data]);
}
/**
* Loader for infinite scrolling
* @return string html for loader