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<?php |
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declare(strict_types=1); |
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namespace Everlution\Navigation\Nested\Builder; |
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use Everlution\Navigation\Nested\AdvancedNavigationInterface; |
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use Everlution\Navigation\Nested\Container\ContainerNotFoundException; |
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use Everlution\Navigation\Nested\Container\NestableContainerInterface; |
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use Everlution\Navigation\Builder\MatcherInterface; |
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use Everlution\Navigation\Builder\NoCurrentItemFoundException; |
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use Everlution\Navigation\ContainerInterface; |
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/** |
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* Class NavigationBuilder. |
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* |
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* @author Martin Lutter <[email protected]> |
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*/ |
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class NavigationBuilder |
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{ |
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/** @var AdvancedNavigationInterface */ |
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private $navigation; |
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/** @var ParentNode */ |
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private $root; |
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/** @var ContainerInterface[] */ |
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private $stack = []; |
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/** @var ContainerInterface[] */ |
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private $used = []; |
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/** @var ParentNode */ |
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private $current; |
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/** @var MatcherInterface */ |
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private $matcher; |
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public function __construct(AdvancedNavigationInterface $container, MatcherInterface $matcher) |
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{ |
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$this->navigation = $container; |
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$this->matcher = $matcher; |
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$this->build($matcher); |
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} |
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/** |
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* @return ParentNode |
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* |
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* @throws NoCurrentItemFoundException |
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*/ |
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public function getCurrent(): ParentNode |
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{ |
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if (!$this->current) { |
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throw new NoCurrentItemFoundException(); |
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} |
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return $this->current; |
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} |
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/** |
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* @param MatcherInterface $matcher |
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*/ |
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private function build(MatcherInterface $matcher) |
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{ |
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$this->root = new ParentNode($this->navigation->getRoot()); |
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$this->setCurrentNode($matcher, $this->root); |
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$this->addToUsed($this->root); |
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foreach ($this->navigation->getNavigationContainers() as $container) { |
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$this->walkToRootContainer($container); |
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$this->addContainersFromStack(); |
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} |
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} |
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/** |
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* @param NestableContainerInterface $item |
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* |
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* @return NestableContainerInterface |
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* |
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* @throws ContainerNotFoundException |
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*/ |
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private function getParent(NestableContainerInterface $item): NestableContainerInterface |
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{ |
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return $this->navigation->get($item->getParentContainer()); |
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} |
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/** |
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* @param NestableContainerInterface $container |
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* |
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* @return NestableContainerInterface |
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*/ |
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private function walkToRootContainer(NestableContainerInterface $container): NestableContainerInterface |
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{ |
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$this->stack[] = $container; |
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try { |
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return $this->walkToRootContainer($this->getParent($container)); |
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} catch (ContainerNotFoundException $e) { |
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return $container; |
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} |
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} |
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private function addContainersFromStack(): void |
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{ |
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$root = $this->root; |
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while ($container = array_pop($this->stack)) { |
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if (false === $this->isUsed($container)) { |
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$this->addContainer($root, $container); |
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} |
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$root = $root->get(get_class($container)); |
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} |
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} |
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/** |
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* @param ParentNode $root |
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* @param NestableContainerInterface $container |
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*/ |
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private function addContainer(ParentNode $root, NestableContainerInterface $container): void |
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{ |
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$parentNode = new ParentNode($container); |
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$root->addChild($parentNode); |
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$this->addToUsed($parentNode); |
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$this->setCurrentNode($this->matcher, $parentNode); |
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} |
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/** |
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* @param MatcherInterface $matcher |
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* @param ParentNode $node |
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*/ |
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private function setCurrentNode(MatcherInterface $matcher, ParentNode $node): void |
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{ |
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if (!$this->current && $matcher->isCurrent($node->getContainer())) { |
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$this->current = $node; |
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} |
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} |
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/** |
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* @param ContainerInterface $container |
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* |
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* @return bool |
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*/ |
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private function isUsed(ContainerInterface $container): bool |
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{ |
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$name = get_class($container); |
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return isset($this->used[$name]); |
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} |
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/** |
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* @param ParentNode $node |
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*/ |
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private function addToUsed(ParentNode $node): void |
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{ |
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$name = get_class($node->getContainer()); |
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$this->used[$name] = $node; |
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} |
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} |
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everlutionsk /
navigation
