Module.php #1

<?php
/**
 * Perforce Swarm
 *
 * @copyright   2013 Perforce Software. All rights reserved.
 * @license     Please see LICENSE.txt in top-level folder of this distribution.
 * @version     <release>/<patch>
 */

namespace LibreOffice;

use Files\Format\Handler as FormatHandler;
use Zend\Mvc\MvcEvent;

class Module
{
    /**
     * Add a preview handler for types supported by LibreOffice
     */
    public function onBootstrap(MvcEvent $event)
    {
        $application = $event->getApplication();
        $services    = $application->getServiceManager();
        $config      = $services->get('config');
        $formats     = $services->get('formats');

        $formats->addHandler(
            new FormatHandler(
                // can-preview callback
                function ($file, $extension, $mimeType, $request) use ($config) {
                    if (!in_array($extension, array('doc', 'docx', 'ppt', 'pptx', 'rtf', 'vsd', 'xls', 'xlsx'))) {
                        return false;
                    }

                    // good to go if libre-office is installed
                    $soffice = $config['libreoffice']['path'];
                    exec('which ' . escapeshellarg($soffice), $output, $result);
                    return !(bool) $result;
                },
                // render-preview callback
                function ($file, $extension, $mimeType, $request) use ($services) {
                    $helpers    = $services->get('ViewHelperManager');
                    $escapeUrl  = $helpers->get('escapeUrl');
                    $url        = $helpers->get('url');
                    $te         = $helpers->get('te');
                    $viewUrl    = $url('libreoffice', array('path' => trim($file->getDepotFilename(), '/')))
                                . '?v=' . $escapeUrl($file->getRevspec());

                    return '<div class="view view-pdf img-polaroid">'
                        .   '<object width="100%" height="100%" type="application/pdf" data="' . $viewUrl . '">'
                        .    '<p>' . $te('It appears you don\'t have a pdf plugin for this browser.') . '</p>'
                        .   '</object>'
                        .  '</div>';
                }
            ),
            'libreoffice'
        );
    }

    public function getConfig()
    {
        return include __DIR__ . '/config/module.config.php';
    }

    public function getAutoloaderConfig()
    {
        return array(
            'Zend\Loader\StandardAutoloader' => array(
                'namespaces' => array(
                    __NAMESPACE__ => __DIR__ . '/src/' . __NAMESPACE__,
                ),
            ),
        );
    }
}