/**
  * Register the plugin, if enabled
  * @param $category string
  * @param $path string
  * @return boolean
  */
 function register($category, $path)
 {
     if (parent::register($category, $path)) {
         // HookRegistry::register('Installer::postInstall',array(&$this, 'postInstallCallback'));
         if ($this->getEnabled()) {
             $this->addHelpData();
             // Add DAOs
             $this->import('CrosswalkDAO');
             $this->import('Crosswalk');
             $this->import('Search');
             $this->import('SearchIndex');
             $this->import('SearchDAO');
             $crosswalkDao = new CrosswalkDAO();
             DAORegistry::registerDAO('CrosswalkDAO', $crosswalkDao);
             $searchDao = new SearchDAO();
             DAORegistry::registerDAO('SearchDAO', $searchDao);
             /**
              * Set hooks
              */
             // Record handling & harvesting
             HookRegistry::register('Harvester::insertRecord', array(&$this, 'insertRecordCallback'));
             HookRegistry::register('Harvester::updateRecord', array(&$this, 'updateRecordCallback'));
             HookRegistry::register('Harvester::deleteRecord', array(&$this, 'deleteRecordCallback'));
             // User interface
             HookRegistry::register('Templates::Common::Header::Navbar', array(&$this, 'navBarCallback'));
             HookRegistry::register('Template::Admin::Index::SiteManagement', array(&$this, 'siteManagementCallback'));
             HookRegistry::register('LoadHandler', array(&$this, 'loadHandlerCallback'));
             HookRegistry::register('PluginRegistry::loadCategory', array(&$this, 'callbackLoadCategory'));
             // Rebuild index
             HookRegistry::register('rebuildSearchIndex::flush', array(&$this, 'callbackFlush'));
         }
         return true;
     }
     return false;
 }

 /**
  * Constructor
  */
 function __construct()
 {
     parent::__construct();
     if ($this->getEnabled()) {
         HookRegistry::register('TemplateManager::display', array($this, 'loadJavaScript'));
     }
 }

/**
 * Handle a new request.
 */
function handleRequest()
{
    if (!Config::getVar('general', 'installed') && pageRequiresInstall()) {
        // Redirect to installer if application has not been installed
        Request::redirect(null, 'install');
    }
    // Determine the handler for this request
    $page = Request::getRequestedPage();
    $op = Request::getRequestedOp();
    $sourceFile = sprintf('pages/%s/index.php', $page);
    // If a hook has been registered to handle this page, give it the
    // opportunity to load required resources and set HANDLER_CLASS.
    if (!HookRegistry::call('LoadHandler', array(&$page, &$op, &$sourceFile))) {
        if (file_exists($sourceFile)) {
            require $sourceFile;
        } else {
            require 'pages/index/index.php';
        }
    }
    if (!defined('SESSION_DISABLE_INIT')) {
        // Initialize session
        $sessionManager =& SessionManager::getManager();
        $session =& $sessionManager->getUserSession();
    }
    $methods = array_map('strtolower', get_class_methods(HANDLER_CLASS));
    if (in_array(strtolower($op), $methods)) {
        // Call a specific operation
        call_user_func(array(HANDLER_CLASS, $op), Request::getRequestedArgs());
    } else {
        // Call the selected handler's index operation
        call_user_func(array(HANDLER_CLASS, 'index'), Request::getRequestedArgs());
    }
}

 /**
  * Construct the contents for the notification based on its type and associated object
  * @param $request PKPRequest
  * @param $notification Notification
  * @return string
  */
 function getNotificationContents(&$request, &$notification)
 {
     $type = $notification->getType();
     assert(isset($type));
     $message = null;
     HookRegistry::call('NotificationManager::getNotificationContents', array(&$notification, &$message));
     if ($message) {
         return $message;
     }
     switch ($type) {
         case NOTIFICATION_TYPE_PAPER_SUBMITTED:
             return __('notification.type.paperSubmitted', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_SUPP_FILE_MODIFIED:
             return __('notification.type.suppFileModified', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_METADATA_MODIFIED:
             return __('notification.type.metadataModified', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_GALLEY_MODIFIED:
             return __('notification.type.galleyModified', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_SUBMISSION_COMMENT:
             return __('notification.type.submissionComment', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_REVIEWER_COMMENT:
             return __('notification.type.reviewerComment', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_REVIEWER_FORM_COMMENT:
             return __('notification.type.reviewerFormComment', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_DIRECTOR_DECISION_COMMENT:
             return __('notification.type.directorDecisionComment', array('title' => $this->_getPaperTitle($notification)));
         case NOTIFICATION_TYPE_USER_COMMENT:
             return __('notification.type.userComment', array('title' => $this->_getPaperTitle($notification)));
         default:
             return parent::getNotificationContents($request, $notification);
     }
 }

 /**
  * @see LazyLoadPlugin::register()
  */
 function register($category, $path)
 {
     $success = parent::register($category, $path);
     HookRegistry::register('AcronPlugin::parseCronTab', array($this, 'callbackParseCronTab'));
     if ($this->getEnabled() && $success) {
         // Register callbacks.
         HookRegistry::register('PluginRegistry::loadCategory', array($this, 'callbackLoadCategory'));
         HookRegistry::register('LoadHandler', array($this, 'callbackLoadHandler'));
         // If the plugin will provide the access logs,
         // register to the usage event hook provider.
         if ($this->getSetting(CONTEXT_ID_NONE, 'createLogFiles')) {
             HookRegistry::register('UsageEventPlugin::getUsageEvent', array(&$this, 'logUsageEvent'));
         }
         $this->_dataPrivacyOn = $this->getSetting(CONTEXT_ID_NONE, 'dataPrivacyOption');
         $this->_saltpath = $this->getSetting(CONTEXT_ID_NONE, 'saltFilepath');
         // Check config for backward compatibility.
         if (!$this->_saltpath) {
             $this->_saltpath = Config::getVar('usageStats', 'salt_filepath');
         }
         $application = Application::getApplication();
         $request = $application->getRequest();
         $this->_optedOut = $request->getCookieVar('usageStats-opt-out');
         if ($this->_optedOut) {
             // Renew the Opt-Out cookie if present.
             $request->setCookieVar('usageStats-opt-out', true, time() + 60 * 60 * 24 * 365);
         }
     }
     return $success;
 }

 /**
  * Return an HTML-formatted citation. Default implementation displays
  * an HTML-based citation using the citation.tpl template in the plugin
  * path.
  * @param $article object
  * @param $issue object
  */
 function cite(&$article, &$issue)
 {
     HookRegistry::register('Template::RT::CaptureCite', array(&$this, 'displayCitation'));
     $templateMgr =& TemplateManager::getManager();
     $templateMgr->assign_by_ref('citationPlugin', $this);
     $templateMgr->display('rt/captureCite.tpl');
 }

 /**
  * Called as a plugin is registered to the registry
  * @param $category String Name of category plugin was registered to
  * @return boolean True iff plugin initialized successfully; if false,
  * 	the plugin will not be registered.
  */
 function register($category, $path)
 {
     $success = parent::register($category, $path);
     if (!Config::getVar('general', 'installed') || defined('RUNNING_UPGRADE')) {
         return true;
     }
     if ($success && $this->getEnabled()) {
         // Insert field into author submission page and metadata form
         HookRegistry::register('Templates::Author::Submit::Authors', array($this, 'metadataField'));
         HookRegistry::register('Templates::Submission::MetadataEdit::Authors', array($this, 'metadataField'));
         // Hook for initData in two forms
         HookRegistry::register('metadataform::initdata', array($this, 'metadataInitData'));
         HookRegistry::register('authorsubmitstep3form::initdata', array($this, 'metadataInitData'));
         // Hook for execute in two forms
         HookRegistry::register('authorsubmitstep3form::execute', array($this, 'metadataExecute'));
         HookRegistry::register('metadataform::execute', array($this, 'metadataExecute'));
         // Add element for AuthorDAO for storage
         HookRegistry::register('pkpauthordao::getAdditionalFieldNames', array($this, 'authorSubmitGetFieldNames'));
         // Insert Google Analytics page tag to common footer
         HookRegistry::register('Templates::Common::Footer::PageFooter', array($this, 'insertFooter'));
         // Insert Google Analytics page tag to article footer
         HookRegistry::register('Templates::Article::Footer::PageFooter', array($this, 'insertFooter'));
         // Insert Google Analytics page tag to article interstitial footer
         HookRegistry::register('Templates::Article::Interstitial::PageFooter', array($this, 'insertFooter'));
         // Insert Google Analytics page tag to article pdf interstitial footer
         HookRegistry::register('Templates::Article::PdfInterstitial::PageFooter', array($this, 'insertFooter'));
         // Insert Google Analytics page tag to reading tools footer
         HookRegistry::register('Templates::Rt::Footer::PageFooter', array($this, 'insertFooter'));
         // Insert Google Analytics page tag to help footer
         HookRegistry::register('Templates::Help::Footer::PageFooter', array($this, 'insertFooter'));
     }
     return $success;
 }

 /**
  * Insert a tombstone for the passed publication format.
  * @param $publicationFormat PublicationFormat
  * @param $press Press
  */
 function insertTombstoneByPublicationFormat($publicationFormat, $press)
 {
     $monographDao = DAORegistry::getDAO('MonographDAO');
     $monograph = $monographDao->getById($publicationFormat->getMonographId());
     $seriesDao = DAORegistry::getDAO('SeriesDAO');
     $series = $seriesDao->getById($monograph->getSeriesId());
     $dataObjectTombstoneDao = DAORegistry::getDAO('DataObjectTombstoneDAO');
     // delete publication format tombstone to ensure that there aren't
     // more than one tombstone for this publication format
     $dataObjectTombstoneDao->deleteByDataObjectId($publicationFormat->getId());
     // insert publication format tombstone
     if (is_a($series, 'Series')) {
         $setSpec = urlencode($press->getPath()) . ':' . urlencode($series->getPath());
         $setName = $series->getLocalizedTitle();
     } else {
         $setSpec = urlencode($press->getPath());
         $setName = $press->getLocalizedName();
     }
     $oaiIdentifier = 'oai:' . Config::getVar('oai', 'repository_id') . ':' . 'publicationFormat/' . $publicationFormat->getId();
     $OAISetObjectsIds = array(ASSOC_TYPE_PRESS => $monograph->getPressId(), ASSOC_TYPE_SERIES => $monograph->getSeriesId());
     $publicationFormatTombstone = $dataObjectTombstoneDao->newDataObject();
     /* @var $publicationFormatTombstone DataObjectTombstone */
     $publicationFormatTombstone->setDataObjectId($publicationFormat->getId());
     $publicationFormatTombstone->stampDateDeleted();
     $publicationFormatTombstone->setSetSpec($setSpec);
     $publicationFormatTombstone->setSetName($setName);
     $publicationFormatTombstone->setOAIIdentifier($oaiIdentifier);
     $publicationFormatTombstone->setOAISetObjectsIds($OAISetObjectsIds);
     $dataObjectTombstoneDao->insertObject($publicationFormatTombstone);
     if (HookRegistry::call('PublicationFormatTombstoneManager::insertPublicationFormatTombstone', array(&$publicationFormatTombstone, &$publicationFormat, &$press))) {
         return;
     }
 }

 function register($category, $path)
 {
     if (parent::register($category, $path)) {
         if ($this->getEnabled()) {
             // Add custom locale data for already registered locale files.
             $locale = AppLocale::getLocale();
             $localeFiles = AppLocale::getLocaleFiles($locale);
             $journal = Request::getJournal();
             $journalId = $journal->getId();
             $publicFilesDir = Config::getVar('files', 'public_files_dir');
             $customLocalePathBase = $publicFilesDir . DIRECTORY_SEPARATOR . 'journals' . DIRECTORY_SEPARATOR . $journalId . DIRECTORY_SEPARATOR . CUSTOM_LOCALE_DIR . DIRECTORY_SEPARATOR . $locale . DIRECTORY_SEPARATOR;
             import('lib.pkp.classes.file.FileManager');
             $fileManager = new FileManager();
             foreach ($localeFiles as $localeFile) {
                 $customLocalePath = $customLocalePathBase . $localeFile->getFilename();
                 if ($fileManager->fileExists($customLocalePath)) {
                     AppLocale::registerLocaleFile($locale, $customLocalePath, true);
                 }
             }
             // Add custom locale data for all locale files registered after this plugin
             HookRegistry::register('PKPLocale::registerLocaleFile', array(&$this, 'addCustomLocale'));
         }
         return true;
     }
     return false;
 }

 function register($category, $path)
 {
     if (parent::register($category, $path)) {
         $this->addLocaleData();
         if ($this->getEnabled()) {
             // Add custom locale data for already registered locale files.
             $locale = Locale::getLocale();
             $localeFiles = Locale::getLocaleFiles($locale);
             $conference = Request::getConference();
             $conferenceId = $conference->getId();
             $publicFilesDir = Config::getVar('files', 'public_files_dir');
             $customLocalePathBase = $publicFilesDir . DIRECTORY_SEPARATOR . 'conferences' . DIRECTORY_SEPARATOR . $conferenceId . DIRECTORY_SEPARATOR . CUSTOM_LOCALE_DIR . DIRECTORY_SEPARATOR . $locale . DIRECTORY_SEPARATOR;
             import('file.FileManager');
             foreach ($localeFiles as $localeFile) {
                 $customLocalePath = $customLocalePathBase . $localeFile->getFilename();
                 if (FileManager::fileExists($customLocalePath)) {
                     Locale::registerLocaleFile($locale, $customLocalePath, true);
                 }
             }
             // Add custom locale data for all locale files registered after this plugin
             HookRegistry::register('PKPLocale::registerLocaleFile', array(&$this, 'addCustomLocale'));
         }
         return true;
     }
     return false;
 }

 function insertArticleTombstone(&$article, &$journal)
 {
     $sectionDao =& DAORegistry::getDAO('SectionDAO');
     $section =& $sectionDao->getSection($article->getSectionId());
     $tombstoneDao =& DAORegistry::getDAO('DataObjectTombstoneDAO');
     /* @var $tombstoneDao DataObjectTombstoneDAO */
     // delete article tombstone -- to ensure that there aren't more than one tombstone for this article
     $tombstoneDao->deleteByDataObjectId($article->getId());
     // insert article tombstone
     $section =& $sectionDao->getSection($article->getSectionId());
     $setSpec = urlencode($journal->getPath()) . ':' . urlencode($section->getLocalizedAbbrev());
     $oaiIdentifier = 'oai:' . Config::getVar('oai', 'repository_id') . ':' . 'article/' . $article->getId();
     $OAISetObjectsIds = array(ASSOC_TYPE_JOURNAL => $journal->getId(), ASSOC_TYPE_SECTION => $section->getId());
     $articleTombstone = $tombstoneDao->newDataObject();
     $articleTombstone->setDataObjectId($article->getId());
     $articleTombstone->stampDateDeleted();
     $articleTombstone->setSetSpec($setSpec);
     $articleTombstone->setSetName($section->getLocalizedTitle());
     $articleTombstone->setOAIIdentifier($oaiIdentifier);
     $articleTombstone->setOAISetObjectsIds($OAISetObjectsIds);
     $tombstoneId = $tombstoneDao->insertObject($articleTombstone);
     if (HookRegistry::call('ArticleTombstoneManager::insertArticleTombstone', array(&$articleTombstone, &$article, &$journal))) {
         return;
     }
 }

 /**
  * Constructor
  */
 function CitationPlugin()
 {
     parent::Plugin();
     if ($this->getEnabled()) {
         HookRegistry::register('TemplateManager::display', array($this, 'loadJavaScript'));
     }
 }

 /**
  * Given a $page and $op, return a list of field names for which
  * the plugin should be used.
  * @param $templateMgr object
  * @param $page string The requested page
  * @param $op string The requested operation
  * @return array
  */
 function getEnableFields(&$templateMgr, $page, $op)
 {
     $formLocale = $templateMgr->get_template_vars('formLocale');
     $fields = array();
     switch ("{$page}/{$op}") {
         case 'admin/settings':
         case 'admin/saveSettings':
             $fields[] = 'intro';
             $fields[] = 'aboutField';
             break;
         case 'admin/createArchive':
         case 'admin/editArchive':
         case 'admin/updateArchive':
             $fields[] = 'description';
             break;
         case 'user/profile':
         case 'user/saveProfile':
         case 'user/register':
         case 'admin/createUser':
         case 'admin/updateUser':
             $fields[] = 'mailingAddress';
             $fields[] = 'biography';
             break;
     }
     HookRegistry::call('TinyMCEPlugin::getEnableFields', array(&$this, &$fields));
     return $fields;
 }

 /**
  * Called as a plugin is registered to the registry
  * @param $category String Name of category plugin was registered to
  * @return boolean True if plugin initialized successfully; if false,
  * 	the plugin will not be registered.
  */
 function register($category, $path)
 {
     $success = parent::register($category, $path);
     $this->addLocaleData();
     $this->import('pidResourceDAO');
     $this->import('pidHandler');
     $pidResourceDao = new pidResourceDao();
     DAORegistry::registerDAO('pidResourceDAO', $pidResourceDao);
     $this->journal =& Request::getJournal();
     $isEnabled = $this->getEnabled();
     if ($success) {
         if ($isEnabled === true) {
             HookRegistry::register('Template::Author::Submission::Status', array(&$this, 'submissionStatus'));
             HookRegistry::register('Template::sectionEditor::Submission::Status', array(&$this, 'submissionStatus'));
             HookRegistry::register('Template::Article::PID', array(&$this, 'articleTemplate'));
             HookRegistry::register('ArticleDAO::_updateArticle', array(&$this, 'publishedArticlePidHandler'));
             //Older OJS Versions
             HookRegistry::register('articledao::_updatearticle', array(&$this, 'publishedArticlePidHandler'));
             //Newer OJS Versions
         }
         HookRegistry::register('OAIDAOinc::_getRecord', array(&$this, 'OAIRecordsHandler'));
         HookRegistry::register('OAIDAOinc::_listRecords', array(&$this, 'OAIRecordsHandler'));
     }
     return $success;
 }

 /**
  * Called as a plugin is registered to the registry. Subclasses over-
  * riding this method should call the parent method first.
  * @param $category String Name of category plugin was registered to
  * @param $path String The path the plugin was found in
  * @return boolean True iff plugin initialized successfully; if false,
  * 	the plugin will not be registered.
  */
 function register($category, $path)
 {
     $success = parent::register($category, $path);
     if ($success) {
         HookRegistry::register('Template::Manager::Payment::displayPaymentSettingsForm', array(&$this, '_smartyDisplayPaymentSettingsForm'));
     }
     return $success;
 }

 function register($category, $path)
 {
     if (parent::register($category, $path)) {
         HookRegistry::register('TemplateManager::display', array(&$this, 'addmeta'));
         return true;
     }
     return false;
 }

 /**
  * Called as a plugin is registered to the registry. Subclasses over-
  * riding this method should call the parent method first.
  * @param $category String Name of category plugin was registered to
  * @param $path String The path the plugin was found in
  * @return boolean True iff plugin initialized successfully; if false,
  * 	the plugin will not be registered.
  */
 function register($category, $path)
 {
     if (!parent::register($category, $path)) {
         return false;
     }
     HookRegistry::register('Template::Manager::Payment::displayPaymentSettingsForm', array($this, '_smartyDisplayPaymentSettingsForm'));
     return true;
 }

 /**
  * Return the section decision
  * Internal function to return an meeting object from a row. Simplified
  * not to include object settings.
  * @param $row array
  * @return section_decision_id
  */
 function &_returnMeetingSectionDecisionFromRow(&$row)
 {
     $meetingSectionDecision = new MeetingSectionDecision();
     $meetingSectionDecision->setMeetingId($row['meeting_id']);
     $meetingSectionDecision->setSectionDecisionId($row['section_decision_id']);
     HookRegistry::call('MeetingSectionDecsisionDAO::_returnMeetingSectionDecisionFromRow', array(&$meetingSectionDecision, &$row));
     return $meetingSectionDecision;
 }

 /**
  * Internal function to return a Journal object from a row.
  * @param $row array
  * @return Journal
  */
 function _fromRow($row)
 {
     $journal = parent::_fromRow($row);
     $journal->setPrimaryLocale($row['primary_locale']);
     $journal->setEnabled($row['enabled']);
     HookRegistry::call('JournalDAO::_returnJournalFromRow', array(&$journal, &$row));
     return $journal;
 }

 /**
  * Called as a plugin is registered to the registry
  * @param $category String Name of category plugin was registered to
  * @return boolean True iff plugin initialized successfully; if false,
  *      the plugin will not be registered.
  */
 function register($category, $path)
 {
     $success = parent::register($category, $path);
     if ($success && $this->getEnabled()) {
         HookRegistry::register('OAIDAO::_getRecords', array($this, 'filterEruditOAI'));
     }
     return $success;
 }