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| <?php | |
| namespace AssetsBundle\View\Strategy; | |
| class JsCustomStrategy implements \Zend\EventManager\ListenerAggregateInterface { | |
| /** | |
| * @var \Zend\ServiceManager\ServiceLocatorInterface | |
| */ | |
| protected $serviceLocator; | |
| /** | |
| * @var \Zend\Mvc\Router\RouteInterface | |
| */ | |
| protected $oRouter; | |
| /** | |
| * @var \Zend\Stdlib\CallbackHandler[] | |
| */ | |
| protected $listeners = array(); | |
| /** | |
| * @var \AssetsBundle\View\Renderer\JsCustomRenderer | |
| */ | |
| protected $renderer; | |
| /** | |
| * @param \AssetsBundle\View\Renderer\JsCustomRenderer $oRenderer | |
| * @return \AssetsBundle\View\Strategy\JsCustomStrategy | |
| */ | |
| public function setRenderer(\AssetsBundle\View\Renderer\JsCustomRenderer $oRenderer) { | |
| $this->renderer = $oRenderer; | |
| return $this; | |
| } | |
| /** | |
| * @throws \LogicException | |
| * @return \AssetsBundle\View\Renderer\JsCustomRenderer | |
| */ | |
| public function getRenderer() { | |
| if ($this->renderer instanceof \AssetsBundle\View\Renderer\JsCustomRenderer) { | |
| return $this->renderer; | |
| } | |
| throw new \LogicException('Renderer is undefined'); | |
| } | |
| public function setRouter(\Zend\Mvc\Router\RouteInterface $oRouter){ | |
| $this->oRouter = $oRouter; | |
| return $this; | |
| } | |
| public function getRouter(){ | |
| if ($this->oRouter instanceof \Zend\Mvc\Router\RouteInterface) { | |
| return $this->oRouter; | |
| } | |
| throw new \LogicException('Router is undefined'); | |
| } | |
| /** | |
| * Attach the aggregate to the specified event manager | |
| * @param \Zend\EventManager\EventManagerInterface $oEvents | |
| * @param int $iPriority | |
| * @return void | |
| */ | |
| public function attach(\Zend\EventManager\EventManagerInterface $oEvents, $iPriority = 1) { | |
| $this->listeners[] = $oEvents->attach(\Zend\View\ViewEvent::EVENT_RENDERER, array($this, 'selectRenderer'), $iPriority); | |
| $this->listeners[] = $oEvents->attach(\Zend\View\ViewEvent::EVENT_RESPONSE, array($this, 'injectResponse'), $iPriority); | |
| } | |
| /** | |
| * Detach aggregate listeners from the specified event manager | |
| * @param \Zend\EventManager\EventManagerInterface $oEvents | |
| * @return void | |
| */ | |
| public function detach(\Zend\EventManager\EventManagerInterface $oEvents) { | |
| foreach ($this->listeners as $iIndex => $oListener) { | |
| if ($oEvents->detach($oListener)) { | |
| unset($this->listeners[$iIndex]); | |
| } | |
| } | |
| } | |
| /** | |
| * Check if JsCustomStrategy has to be used (MVC action = \AssetsBundle\Mvc\Controller\AbstractActionController::JS_CUSTOM_ACTION) | |
| * @param \Zend\View\ViewEvent $oEvent | |
| * @throws \LogicException | |
| * @return void|\AssetsBundle\View\Renderer\JsRenderer | |
| */ | |
| public function selectRenderer(\Zend\View\ViewEvent $oEvent) { | |
| $oRouter = $this->getRouter(); | |
| if ( //Retrieve request | |
| ($oRequest = $oEvent->getRequest()) instanceof \Zend\Http\Request | |
| //Retrieve route match | |
| && ($oRouteMatch = $oRouter->match($oRequest)) instanceof \Zend\Mvc\Router\RouteMatch && $oRouteMatch->getParam('action') === \AssetsBundle\Mvc\Controller\AbstractActionController::JS_CUSTOM_ACTION | |
| ) { | |
| if (!($oViewModel = $oEvent->getModel()) instanceof \Zend\View\Model\ViewModel) { | |
| throw new \UnexpectedValueException(sprintf( | |
| 'Event model expects an instance of "Zend\View\Model\ViewModel", "%s" given', is_object($oViewModel) ? get_class($oViewModel) : gettype($oViewModel) | |
| )); | |
| } elseif (($oException = $oViewModel->getVariable('exception')) instanceof \Exception) { | |
| return; | |
| } | |
| //jsCustomFiles is empty | |
| if (!is_array($aJsCustomFiles = $oEvent->getModel()->getVariable('jsCustomFiles'))) { | |
| $oEvent->getModel()->setVariable('jsCustomFiles', array()); | |
| } | |
| return $this->getRenderer(); | |
| } | |
| } | |
| /** | |
| * @param \Zend\View\ViewEvent $oEvent | |
| * @throws \UnexpectedValueException | |
| */ | |
| public function injectResponse(\Zend\View\ViewEvent $oEvent) { | |
| if ($oEvent->getRenderer() !== $this->getRenderer()) { | |
| return; | |
| } | |
| if (!is_string($sResult = $oEvent->getResult())) { | |
| throw new \UnexpectedValueException('Result expects string, "' . gettype($sResult) . '" given'); | |
| } | |
| //jsCustomFiles is empty | |
| if (!is_array($aJsCustomFiles = $oEvent->getModel()->getVariable('jsCustomFiles'))) { | |
| throw new \UnexpectedValueException('"jsCustomFiles" view\'s variable expects an array, "' . gettype($aJsCustomFiles) . '" given'); | |
| } | |
| $sResponseContent = ''; | |
| foreach ($aJsCustomFiles as $oAssetFile) { | |
| if ($oAssetFile instanceof \AssetsBundle\AssetFile\AssetFile) { | |
| $sResponseContent .= $oAssetFile->getAssetFileContents() . PHP_EOL; | |
| } else { | |
| throw new \UnexpectedValueException('"jsCustomFiles" view\'s variable must contains instance of \AssetsBundle\AssetFile\AssetFile, "' . (is_object($oAssetFile) ? get_class($oAssetFile) : gettype($oAssetFile)) . '" given'); | |
| } | |
| } | |
| //Inject javascript in the response | |
| $oEvent->getResponse()->setContent($sResponseContent)->getHeaders()->addHeaderLine('content-type', 'text/javascript'); | |
| } | |
| } |