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<?php |
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/** |
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* YAWIK |
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* |
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* @filesource |
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* @license MIT |
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* @copyright 2013 - 2017 Cross Solution <http://cross-solution.de> |
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*/ |
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/** */ |
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namespace Core\View\Helper; |
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use Core\EventManager\EventManager; |
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use Zend\EventManager\EventManagerInterface; |
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use Zend\Stdlib\ArrayUtils; |
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use Zend\View\Exception; |
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use Zend\View\Helper\AbstractHelper; |
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use Zend\View\Helper\Partial; |
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use Zend\View\Model\ModelInterface; |
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use Zend\View\Model\ViewModel; |
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/** |
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* ${CARET} |
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* |
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* @author Mathias Gelhausen <[email protected]> |
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* @todo write test |
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*/ |
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class Snippet extends AbstractHelper |
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{ |
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/** |
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* |
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* |
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* @var array |
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*/ |
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private $config = []; |
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/** |
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* |
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* |
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* @var EventManager |
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*/ |
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private $events; |
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/** |
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* |
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* |
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* @var \Zend\View\Helper\Partial |
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*/ |
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private $partials; |
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public function __construct(Partial $partialHelper, EventManager $eventManager, array $config) |
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{ |
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$this->config = $config; |
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$this->events = $eventManager; |
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$this->partials = $partialHelper; |
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} |
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public function __invoke($name, $values = []) |
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{ |
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$snippets = ArrayUtils::merge($this->fromConfig($name), $this->fromEvent($name, $values)); |
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uasort($snippets, function($a, $b) { |
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$prioA = is_array($a) && isset($a['priority']) ? $a['priority'] : 0; |
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$prioB = is_array($b) && isset($b['priority']) ? $b['priority'] : 0; |
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return $prioA == $prioB ? 0 : ($prioA < $prioB ? 1 : -1); |
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}); |
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$content = ''; |
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foreach ($snippets as $snippet) { |
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$content .= $this->process($snippet, $values); |
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} |
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return $content; |
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} |
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private function fromConfig($name) |
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{ |
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$snippets = isset($this->config[$name]) ? $this->config[$name] : []; |
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if (is_string($snippets)) { |
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$snippets = [$snippets]; |
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} |
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return $snippets; |
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} |
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private function fromEvent($name, $values) |
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{ |
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$event = $this->events->getEvent($name, $this, $values); |
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$results = $this->events->triggerEvent($event); |
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$snippets = []; |
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foreach ($results as $result) { |
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if (null !== $result) { |
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$snippets[] = $result; |
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} |
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} |
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return $snippets; |
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} |
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/** |
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* |
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* |
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* @param $item |
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* @param $values |
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* |
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* @return string |
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* @throws \UnexpectedValueException |
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*/ |
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private function process($item, $values) |
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{ |
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if ($item instanceOf ViewModel) { |
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return $this->partials->__invoke($item); |
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} |
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if (is_string($item)) { |
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if (false === strpos($item, ' ')) { |
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return $this->partials->__invoke($item, $values); |
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} |
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$item = ['content' => $item]; |
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} |
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if (!is_array($values)) { |
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$values = ArrayUtils::iteratorToArray($values); |
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} |
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if (isset($item['values'])) { |
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$values = ArrayUtils::merge($item['values'], $values); |
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} |
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if (isset($item['content'])) { |
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$content = $item['content']; |
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foreach ($values as $key => $val) { |
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$content = str_replace('%' . $key . '%', $val, $content); |
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} |
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return $content; |
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} |
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if (isset($item['template'])) { |
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return $this->partials->__invoke($item['template'], $values); |
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} |
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throw new \UnexpectedValueException('Snippet item must either be a string or an array with at least the keys "content" or "template".'); |
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} |
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} |
cross-solution /
YAWIK
