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<?php |
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declare(strict_types=1); |
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/* |
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* (c) Christian Gripp <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Core23\Twig\Extension; |
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use Sonata\DatagridBundle\Pager\BasePager; |
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use Symfony\Component\Routing\RouterInterface; |
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use Twig\Environment; |
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use Twig\Error\LoaderError; |
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use Twig\Error\RuntimeError; |
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use Twig\Error\SyntaxError; |
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use Twig\Extension\AbstractExtension; |
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use Twig\TwigFilter; |
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use Twig\TwigFunction; |
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final class RouterTwigExtension extends AbstractExtension |
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{ |
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/** |
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* @var RouterInterface |
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*/ |
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private $router; |
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/** |
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* @var array |
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*/ |
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private $options; |
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/** |
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* @var Environment |
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*/ |
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private $environment; |
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/** |
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* @throws LoaderError |
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*/ |
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public function __construct(Environment $environment, RouterInterface $router, array $options = []) |
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{ |
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$this->environment = $environment; |
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$this->router = $router; |
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$this->options = $options; |
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if (!isset($this->options['template'])) { |
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throw new LoaderError('Pager template is not set.'); |
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} |
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if (!isset($this->options['extremeLimit'])) { |
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throw new LoaderError('Pager extreme limit is not set.'); |
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} |
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if (!isset($this->options['nearbyLimit'])) { |
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throw new LoaderError('Pager nearby limit is not set.'); |
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} |
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} |
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public function getFunctions() |
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{ |
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return [ |
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new TwigFunction('routeExists', [$this, 'routeExists']), |
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new TwigFunction('page_pager', [$this, 'generatePager'], [ |
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'is_safe' => ['html'], |
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]), |
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]; |
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} |
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public function getFilters() |
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{ |
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return [ |
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new TwigFilter('splitTag', [$this, 'splitTag']), |
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]; |
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} |
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public function routeExists(string $name): bool |
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{ |
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return null !== $this->router->getRouteCollection()->get($name); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function splitTag(string $text, string $tag): array |
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{ |
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if ('' === trim($tag)) { |
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return [$text]; |
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} |
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return preg_split('/(?=<'.$tag.'([^>])*>)/', $text, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) ?: [$text]; |
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} |
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/** |
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* @throws LoaderError |
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* @throws RuntimeError |
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* @throws SyntaxError |
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*/ |
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public function generatePager(BasePager $pager, array $options = []): string |
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{ |
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$data = array_merge(array_merge($this->options, $options), [ |
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'itemsCount' => $pager->count(), |
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'limit' => max(1, $pager->getMaxPerPage()), |
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'currentPage' => $pager->getPage(), |
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]); |
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$data['lastPage'] = self::getNumPages((int) $data['limit'], (int) $data['itemsCount']); |
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return $this->environment->render($data['template'], $data); |
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} |
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private static function getNumPages(int $limit, int $count): int |
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{ |
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return (int) ceil($count / $limit); |
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} |
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} |
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core23 /
twig-extensions
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