function brainstorm_theme_preprocess_pager in Brainstorm profile 8
Implements hook_preprocess_HOOK().
File
- theme/
brainstorm_theme/ brainstorm_theme.theme, line 97 - Process theme data.
Code
function brainstorm_theme_preprocess_pager(&$variables) {
$element = $variables['pager']['#element'];
$parameters = $variables['pager']['#parameters'];
$quantity = $variables['pager']['#quantity'];
$route_name = $variables['pager']['#route_name'];
$route_parameters = isset($variables['pager']['#route_parameters']) ? $variables['pager']['#route_parameters'] : [];
global $pager_page_array, $pager_total;
// Nothing to do if there is only one page.
if ($pager_total[$element] <= 1) {
return;
}
$tags = $variables['pager']['#tags'];
// Calculate various markers within this pager piece:
// Middle is used to "center" pages around the current page.
$pager_middle = ceil($quantity / 2);
// Current is the page we are currently paged to.
$pager_current = $pager_page_array[$element] + 1;
// First is the first page listed by this pager piece (re quantity).
$pager_first = $pager_current - $pager_middle + 1;
// Last is the last page listed by this pager piece (re quantity).
$pager_last = $pager_current + $quantity - $pager_middle;
// Max is the maximum page number.
$pager_max = $pager_total[$element];
// Prepare for generation loop.
$count = $pager_first;
if ($pager_last > $pager_max) {
// Adjust "center" if at end of query.
$count = $count + ($pager_max - $pager_last);
$pager_last = $pager_max;
}
if ($count <= 0) {
// Adjust "center" if at start of query.
$pager_last = $pager_last + (1 - $count);
$count = 1;
}
// Create the "first" and "previous" links if we are not on the first page.
if ($pager_page_array[$element] > 0) {
$items['first'] = array();
$options = array(
'query' => pager_query_add_page($parameters, $element, 0),
);
$items['first']['href'] = \Drupal::url($route_name, $route_parameters, $options);
if (isset($tags[0])) {
$items['first']['text'] = $tags[0];
}
}
if ($count != $pager_max) {
// Add an ellipsis if there are further previous pages.
if ($count > 1) {
$variables['ellipses']['previous'] = TRUE;
}
// Now generate the actual pager piece.
for (; $count <= $pager_last && $count <= $pager_max; $count++) {
$options = array(
'query' => pager_query_add_page($parameters, $element, $count - 1),
);
$items['pages'][$count]['href'] = \Drupal::url($route_name, $route_parameters, $options);
if ($count == $pager_current) {
$variables['current'] = $count;
}
}
// Add an ellipsis if there are further next pages.
if ($count < $pager_max + 1) {
$variables['ellipses']['next'] = TRUE;
}
}
// Create the "next" and "last" links if we are not on the last page.
if ($pager_page_array[$element] < $pager_max - 1) {
$items['last'] = array();
$options = array(
'query' => pager_query_add_page($parameters, $element, $pager_max - 1),
);
$items['last']['href'] = \Drupal::url($route_name, $route_parameters, $options);
if (isset($tags[4])) {
$items['last']['text'] = $tags[4];
}
}
$variables['items'] = $items;
// The rendered link needs to play well with any other query parameter used
// on the page, like exposed filters, so for the cacheability all query
// parameters matter.
$variables['#cache']['contexts'][] = 'url.query_args';
}