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<?php
namespace Drupal\views\Plugin\views\pager;
/**
* The plugin to handle mini pager.
*
* @ingroup views_pager_plugins
*
* @ViewsPager(
* id = "mini",
* title = @Translation("Paged output, mini pager"),
* short_title = @Translation("Mini"),
* help = @Translation("A simple pager containing previous and next links."),
* theme = "views_mini_pager"
* )
*/
class Mini extends SqlBase {
/**
* Overrides \Drupal\views\Plugin\views\pager\PagerPlugin::defineOptions().
*
* Provides sane defaults for the next/previous links.
*/
public function defineOptions() {
$options = parent::defineOptions();
$options['tags']['contains']['previous']['default'] = '‹‹';
$options['tags']['contains']['next']['default'] = '››';
return $options;
}
/**
* {@inheritdoc}
*/
public function summaryTitle() {
if (!empty($this->options['offset'])) {
return $this->formatPlural($this->options['items_per_page'], 'Mini pager, @count item, skip @skip', 'Mini pager, @count items, skip @skip', ['@count' => $this->options['items_per_page'], '@skip' => $this->options['offset']]);
}
return $this->formatPlural($this->options['items_per_page'], 'Mini pager, @count item', 'Mini pager, @count items', ['@count' => $this->options['items_per_page']]);
}
/**
* {@inheritdoc}
*/
public function query() {
parent::query();
// Only modify the query if we don't want to do a total row count
if (!$this->view->get_total_rows) {
// Don't query for the next page if we have a pager that has a limited
// amount of pages.
if ($this->getItemsPerPage() > 0 && (empty($this->options['total_pages']) || ($this->getCurrentPage() < $this->options['total_pages']))) {
// Increase the items in the query in order to be able to find out
// whether there is another page.
$limit = $this->view->query->getLimit();
$limit += 1;
$this->view->query->setLimit($limit);
}
}
}
/**
* {@inheritdoc}
*/
public function useCountQuery() {
return FALSE;
}
/**
* {@inheritdoc}
*/
public function postExecute(&$result) {
// Only modify the result if we didn't do a total row count
if (!$this->view->get_total_rows) {
$this->total_items = $this->getCurrentPage() * $this->getItemsPerPage() + count($result);
// query() checks if we need a next link by setting limit 1 record past
// this page If we got the extra record we need to remove it before we
// render the result.
if ($this->getItemsPerPage() > 0 && count($result) > $this->getItemsPerPage()) {
array_pop($result);
}
}
}
/**
* {@inheritdoc}
*/
public function render($input) {
// The 1, 3 indexes are correct, see template_preprocess_pager().
$tags = [
1 => $this->options['tags']['previous'],
3 => $this->options['tags']['next'],
];
return [
'#theme' => $this->themeFunctions(),
'#tags' => $tags,
'#element' => $this->options['id'],
'#parameters' => $input,
'#route_name' => !empty($this->view->live_preview) ? '<current>' : '<none>',
];
}
}