Add basic template and hooks in Admin

lib/Alchemy/Phrasea/Controller/Admin/PluginsController.php

@@ -0,0 +1,57 @@
+<?php
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2015 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace Alchemy\Phrasea\Controller\Admin;
+
+use Alchemy\Phrasea\Application;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class PluginsController
+{
+    /** @var Application */
+    private $app;
+
+    public function __construct(Application $app)
+    {
+        $this->app = $app;
+    }
+
+    public function indexAction()
+    {
+        return $this->render('admin/plugins/index.html.twig', [
+            'plugins' => $this->app['plugins'],
+        ]);
+    }
+
+    /**
+     * @param string        $view
+     * @param array         $parameters
+     * @param Response|null $response
+     * @return Response
+     */
+    public function render($view, array $parameters = array(), Response $response = null)
+    {
+        /** @var \Twig_Environment $twig */
+        $twig = $this->app['twig'];
+
+        if ($response instanceof StreamedResponse) {
+            $response->setCallback(function () use ($twig, $view, $parameters) {
+                $twig->display($view, $parameters);
+            });
+        } else {
+            if (null === $response) {
+                $response = new Response();
+            }
+            $response->setContent($twig->render($view, $parameters));
+        }
+
+        return $response;
+    }
+}