update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Ecommerce/Widgets.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\Ecommerce;
+
+use Piwik\Common;
+use Piwik\Site;
+use Piwik\Piwik;
+
+class Widgets extends \Piwik\Plugin\Widgets
+{
+    protected $category = 'Goals_Ecommerce';
+
+    protected function init()
+    {
+        $idSite = $this->getIdSite();
+
+        $site = new Site($idSite);
+        if ($site->isEcommerceEnabled()) {
+            $this->addWidget('General_Overview', 'widgetGoalReport', array('idGoal' => Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_ORDER));
+            $this->addWidget('Goals_EcommerceLog', 'getEcommerceLog');
+        }
+    }
+
+    private function getIdSite()
+    {
+        return Common::getRequestVar('idSite', null, 'int');
+    }
+
+}