IrsteaFileUploadExtension.php

<?php

namespace Irstea\FileUploadBundle\DependencyInjection;

use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
use Symfony\Component\DependencyInjection\Loader;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

class IrsteaFileUploadExtension extends Extension implements PrependExtensionInterface
{
    /**
     * {@inheritdoc}
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);

        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('services.yml');

        $container->setParameter('irstea_file_upload.max_chunk_size', $config['max_chunk_size']);

        $bundles = $container->getParameter('kernel.bundles');
        if(!isset($bundles['CLTissueBundle'])) {
            // On a pas le CLTissueBundle => pas d'antivirus
            $container->removeDefinition('irstea_file_upload.virus_scanner');
        }
    }

    /**
     * {@inheritdoc}
     */
    public function prepend(ContainerBuilder $container)
    {
        $pluginDir = '%kernel.root_dir%/../../vendor/blueimp/jquery-file-upload';

        $container->prependExtensionConfig(
            'assetic',
            [
                'assets' => [
                    'form_js' => [
                        'inputs'  => [
                            "$pluginDir/js/jquery.fileupload.js",
                            "$pluginDir/js/jquery.fileupload-process.js",
                            "$pluginDir/js/jquery.fileupload-validate.js",
                            "$pluginDir/js/jquery.fileupload-ui.js",
                            "@BazingaJsTranslationBundle/Resources/js/translator.js",
                            'js/translations/file_upload/*.js',
                            'js/translations/validators/*.js',
                            '@IrsteaFileUploadBundle/Resources/js/widget/file_upload.js'
                        ],
                    ],
                    'form_css' => [
                        'inputs'  => [
                            "$pluginDir/css/jquery.fileupload.css",
                            "$pluginDir/css/jquery.fileupload-ui.css",
                            '@IrsteaFileUploadBundle/Resources/less/file_upload.less'
                        ],
                    ],
                ],
            ]
        );

        $container->prependExtensionConfig(
            'twig',
            [
                'form' => [