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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Pagination;
final class SimplePagination implements PaginationInterface
{
/**
* @var PaginatorInterface
*/
protected $paginator;
public function __construct(PaginatorInterface $paginator)
{
$this->paginator = $paginator;
}
public function getPreviousPageNumber(): ?int
{
$previousPage = $this->paginator->getCurrentPageNumber() - 1;
if ($previousPage > $this->paginator->getNumberOfPages()) {
return null;
}
return $previousPage >= $this->getFirstPageNumber()
? $previousPage
: null
;
}
public function getNextPageNumber(): ?int
{
$nextPage = $this->paginator->getCurrentPageNumber() + 1;
return $nextPage <= $this->paginator->getNumberOfPages()
? $nextPage
: null
;
}
public function getFirstPageNumber(): int
{
return 1;
}
public function getLastPageNumber(): int
{
return $this->paginator->getNumberOfPages();
}
public function getStartRecordNumber(): int
{
if ($this->paginator->getCurrentPageNumber() > $this->paginator->getNumberOfPages()) {
return 0;
}
return $this->paginator->getKeyOfFirstPaginatedItem() + 1;
}
public function getEndRecordNumber(): int
{
if ($this->paginator->getCurrentPageNumber() > $this->paginator->getNumberOfPages()) {
return 0;
}
return $this->paginator->getKeyOfLastPaginatedItem() + 1;
}
/**
* @return int[]
*/
public function getAllPageNumbers(): array
{
return range($this->getFirstPageNumber(), $this->getLastPageNumber());
}
}