ImportExportPlugin::display PHP Method

    function display($args, $request)
    {
        $templateMgr = TemplateManager::getManager($request);
        $templateMgr->register_function('plugin_url', array($this, 'pluginUrl'));
        $this->_request = $request;
        // Store this for use by the pluginUrl function
    }

 function display(&$args, $request)
 {
     $templateMgr =& TemplateManager::getManager();
     parent::display($args, $request);
     $issueDao =& DAORegistry::getDAO('IssueDAO');
     $publishedArticleDao =& DAORegistry::getDAO('PublishedArticleDAO');
     $articleGalleyDao =& DAORegistry::getDAO('ArticleGalleyDAO');
     $journal =& Request::getJournal();
     switch (array_shift($args)) {
         case 'exportGalley':
             $articleId = array_shift($args);
             $galleyId = array_shift($args);
             $article =& $publishedArticleDao->getPublishedArticleByArticleId($articleId);
             $galley =& $articleGalleyDao->getGalley($galleyId, $articleId);
             if ($article && $galley && ($issue =& $issueDao->getIssueById($article->getIssueId(), $journal->getId()))) {
                 $this->exportArticle($journal, $issue, $article, $galley);
                 break;
             }
         default:
             // Display a list of articles for export
             $this->setBreadcrumbs();
             AppLocale::requireComponents(LOCALE_COMPONENT_PKP_SUBMISSION);
             $publishedArticleDao =& DAORegistry::getDAO('PublishedArticleDAO');
             $rangeInfo = Handler::getRangeInfo('articles');
             $articleIds = $publishedArticleDao->getPublishedArticleIdsAlphabetizedByJournal($journal->getId(), false);
             $totalArticles = count($articleIds);
             $articleIds = array_slice($articleIds, $rangeInfo->getCount() * ($rangeInfo->getPage() - 1), $rangeInfo->getCount());
             import('lib.pkp.classes.core.VirtualArrayIterator');
             $iterator = new VirtualArrayIterator(ArticleSearch::formatResults($articleIds), $totalArticles, $rangeInfo->getPage(), $rangeInfo->getCount());
             $templateMgr->assign_by_ref('articles', $iterator);
             $templateMgr->display($this->getTemplatePath() . 'index.tpl');
             break;
     }
 }