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<?php |
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/* |
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* This file is part of the Zikula package. |
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* |
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* Copyright Zikula Foundation - http://zikula.org/ |
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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 Zikula\Bundle\HookBundle\Twig\Extension; |
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use Zikula\Bundle\HookBundle\Dispatcher\HookDispatcherInterface; |
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use Zikula\Bundle\HookBundle\Hook\DisplayHook; |
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use Zikula\Bundle\HookBundle\Hook\FilterHook; |
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use Zikula\Core\UrlInterface; |
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class HookExtension extends \Twig_Extension |
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{ |
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/** |
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* @var HookDispatcherInterface |
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*/ |
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private $hookDispatcher; |
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public function __construct(HookDispatcherInterface $hookDispatcher) |
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{ |
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$this->hookDispatcher = $hookDispatcher; |
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} |
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/** |
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* Returns a list of functions to add to the existing list. |
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* |
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* @return array An array of functions |
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*/ |
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public function getFunctions() |
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{ |
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return [ |
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new \Twig_SimpleFunction('notifyDisplayHooks', [$this, 'notifyDisplayHooks'], ['is_safe' => ['html']]) |
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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 \Twig_SimpleFilter('notifyFilters', [$this, 'notifyFilters'], ['is_safe' => ['html']]) |
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]; |
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} |
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/** |
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* @param $eventName |
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* @param integer $id The object id |
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* @param UrlInterface $urlObject |
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* @param bool $outputAsArray set to true to output results as array (requires additional handling in template) |
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* |
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* @return bool|string|array |
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*/ |
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public function notifyDisplayHooks($eventName, $id = null, $urlObject = null, $outputAsArray = false) |
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{ |
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if (empty($eventName)) { |
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return trigger_error('Error! "eventname" must be set in notifydisplayhooks'); |
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} |
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if ($urlObject && !($urlObject instanceof UrlInterface)) { |
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return trigger_error('Error! "urlobject" must be an instance of Zikula\Core\UrlInterface'); |
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} |
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// create event and notify |
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$hook = new DisplayHook($id, $urlObject); |
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$this->hookDispatcher->dispatch($eventName, $hook); |
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$responses = $hook->getResponses(); |
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if ($outputAsArray) { |
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return $responses; |
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} |
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$output = ''; |
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foreach ($responses as $result) { |
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if (!empty($result)) { |
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$output .= '<div class="z-displayhook">' . $result . '</div>' . "\n"; |
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} |
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} |
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return $output; |
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} |
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/** |
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* @param $content |
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* @param $filterEventName |
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* @return mixed |
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*/ |
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public function notifyFilters($content, $filterEventName) |
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{ |
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$hook = new FilterHook($content); |
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return $this->hookDispatcher->dispatch($filterEventName, $hook)->getData(); |
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} |
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} |
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zikula /
core
