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<?php |
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namespace Strontium\PjaxBundle\Twig; |
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use Knp\Menu\ItemInterface; |
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use Knp\Menu\Iterator\RecursiveItemIterator; |
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use Knp\Menu\Matcher\MatcherInterface; |
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use Knp\Menu\Twig\Helper; |
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class MenuExtension extends \Twig_Extension |
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{ |
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/** |
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* @var Helper |
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*/ |
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protected $menuHelper; |
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/** |
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* @var MatcherInterface |
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*/ |
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protected $matcher; |
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/** |
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* @param Helper $menuHelper |
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* @param MatcherInterface $matcher |
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*/ |
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public function __construct(Helper $menuHelper, MatcherInterface $matcher) |
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{ |
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$this->menuHelper = $menuHelper; |
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$this->matcher = $matcher; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getFunctions() |
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{ |
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return array( |
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new \Twig_SimpleFunction('knp_menu_currents', [$this, 'getCurrents'], ['is_safe' => ['html']]), |
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); |
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} |
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/** |
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* @param ItemInterface|string $menu |
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* @param array $path |
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* @param array $options |
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* |
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* @return ItemInterface[] |
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* |
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* @throws \BadMethodCallException when there is no menu provider and the menu is given by name |
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* @throws \LogicException |
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* @throws \InvalidArgumentException when the path is invalid |
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*/ |
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public function getCurrents($menu, array $path = array(), array $options = array()) |
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{ |
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$menu = $this->menuHelper->get($menu, $path, $options); |
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$menuIterator = new \RecursiveIteratorIterator( |
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new RecursiveItemIterator(new \ArrayIterator([$menu])), |
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\RecursiveIteratorIterator::SELF_FIRST |
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); |
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$currents = []; |
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foreach ($menuIterator as $item) { |
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/** @var $item ItemInterface */ |
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if ($this->matcher->isCurrent($item)) { |
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$currents[] = $item->getName(); |
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} |
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} |
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return $currents; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'pjax_menu'; |
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} |
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} |
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Strontium-90 /
StrontiumPjaxBundle
