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<?php |
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declare(strict_types = 1); |
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namespace Phauthentic\Presentation\View; |
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use Psr\Container\ContainerInterface; |
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use RuntimeException; |
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/** |
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* Helper Aware View |
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* |
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* Some MVC Frameworks implement "view helpers". Objects that can be accessed |
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* in the view layer to fulfill some view specific tasks that aren't application |
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* logic. |
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* |
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* This class is simple extension to the default view object that takes a |
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* PSR compatible container object from which we retrieve helper objects |
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* through php's magic __get(). |
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*/ |
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class HelperAwareView extends View implements HelperAwareViewInterface |
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{ |
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/** |
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* View Helper Container |
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* |
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* @var \Psr\Container\ContainerInterface; |
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*/ |
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protected $helpers; |
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/** |
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* Container namespace prefix |
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* |
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* @var string |
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*/ |
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protected $containerNamespacePrefix = ''; |
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/** |
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* Constructor |
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* |
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* @param \Psr\Container\ContainerInterface $services |
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*/ |
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public function __construct( |
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ContainerInterface $services, |
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string $containerNamespacePrefix = '' |
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) { |
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$this->helpers = $services; |
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$this->containerNamespacePrefix = $containerNamespacePrefix; |
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} |
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/** |
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* Gets the helper service container |
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* |
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* @return \Psr\Container\ContainerInterface |
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*/ |
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public function helpers(): ContainerInterface |
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{ |
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return $this->helpers; |
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} |
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/** |
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* Magic getter |
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* |
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* @param string $name Name |
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* @return mixed |
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*/ |
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public function __get($name) |
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{ |
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if (!$this->helpers->has($name)) { |
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return; |
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} |
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$helper = $this->helpers()->get($this->containerNamespacePrefix . $name); |
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if ($helper instanceof ViewAwareInterface) { |
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$helper->setView($this); |
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} |
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if (!is_object($helper)) { |
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throw new RuntimeException(sprintf('%s is not an object, %s given', $name, gettype($helper))); |
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} |
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return $helper; |
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} |
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} |
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Phauthentic /
presentation
