* @author Thomas Maroschik * @author Helmut Hummel */ class Plugin implements PluginInterface, EventSubscriberInterface { /** * @var PluginImplementation */ private $pluginImplementation; /** * @var array */ private $handledEvents = []; /** * {@inheritDoc} */ public static function getSubscribedEvents() { return [ ScriptEvents::PRE_AUTOLOAD_DUMP => ['listen'], ScriptEvents::POST_AUTOLOAD_DUMP => ['listen'], ]; } /** * {@inheritDoc} */ public function activate(Composer $composer, IOInterface $io) { $this->ensureComposerConstraints($io); $pluginConfig = Config::load($composer, $io); $composer ->getInstallationManager() ->addInstaller( new ExtensionInstaller($io, $composer, $pluginConfig) ); $composer ->getInstallationManager() ->addInstaller( new CoreInstaller($io, $composer, 'typo3-cms-core') ); $composer->getEventDispatcher()->addSubscriber($this); } public function deactivate(Composer $composer, IOInterface $io) { // Nothing to do } public function uninstall(Composer $composer, IOInterface $io) { // Nothing to do } /** * Listens to Composer events. * * This method is very minimalist on purpose. We want to load the actual * implementation only after updating the Composer packages so that we get * the updated version (if available). * * @param Event $event The Composer event. */ public function listen(Event $event) { if (!empty($this->handledEvents[$event->getName()])) { return; } $this->handledEvents[$event->getName()] = true; // Plugin has been uninstalled if (!file_exists(__FILE__) || !file_exists(dirname(__DIR__) . '/Plugin/PluginImplementation.php')) { return; } // Load the implementation only after updating Composer so that we get // the new version of the plugin when a new one was installed if (null === $this->pluginImplementation) { $this->pluginImplementation = new PluginImplementation($event); } switch ($event->getName()) { case ScriptEvents::PRE_AUTOLOAD_DUMP: $this->pluginImplementation->preAutoloadDump(); break; case ScriptEvents::POST_AUTOLOAD_DUMP: $this->pluginImplementation->postAutoloadDump(); break; } } /** * @param IOInterface $io */ private function ensureComposerConstraints(IOInterface $io) { if ( !class_exists(\Composer\Installer\BinaryInstaller::class) || !interface_exists(\Composer\Installer\BinaryPresenceInterface::class) ) { $io->writeError(''); $io->writeError(sprintf( 'Composer version (%s) you are using is too low. Please upgrade Composer to 1.2.0 or higher!', Composer::VERSION )); $io->writeError('TYPO3 installers plugin will be disabled!'); throw new \RuntimeException('TYPO3 Installer disabled!', 1469105842); } } }