Keep language setting for AJAX requests

CHANGELOG.md

@@ -4,6 +4,8 @@
 1. [](#new)
     * Add ability to Sanitize SVGs on file upload
     * Add ability to Sanitize SVGs in Page media
+1. [](#bugfix)
+    * Keep language setting for AJAX requests
 
 # v1.10.0-beta.7
 ## 08/30/2019

classes/plugin/Admin.php

@@ -3,8 +3,6 @@
 namespace Grav\Plugin\Admin;
 
 use DateTime;
-use Grav\Common\Cache;
-use Grav\Common\Config\Config;
 use Grav\Common\Data;
 use Grav\Common\File\CompiledYamlFile;
 use Grav\Common\GPM\GPM;
@@ -145,16 +143,16 @@ class Admin
 
         // Load utility class
         if ($this->multilang) {
-            $this->language = $language->getLanguage();
+            $this->language = $language->getActive() ?? '';
             $this->languages_enabled = (array)$this->grav['config']->get('system.languages.supported', []);
 
             //Set the currently active language for the admin
             $languageCode = $this->grav['uri']->param('lang');
-            if (!$languageCode && !$this->session->admin_lang) {
-                $this->session->admin_lang = $language->getLanguage();
+            if (null === $languageCode && !$this->session->admin_lang) {
+                $this->session->admin_lang = $language->getActive() ?? '';
             }
         } else {
-            $this->language = 'en';
+            $this->language = '';
         }
     }
 
@@ -189,7 +187,7 @@ class Admin
 
     public function getLanguage(): string
     {
-        return $this->language;
+        return $this->language ?: $this->grav['language']->getLanguage() ?: 'en';
     }
 
     /**
@@ -655,7 +653,7 @@ class Admin
             } else {
                 $languages = (array)$grav['language']->getDefault();
             }
-            $languages = $grav['user']->authenticated ? [ $grav['user']->language ] : $languages;
+            $languages = $grav['user']->authenticated ? [$grav['user']->language] : $languages;
         } else {
             $languages = (array)$languages;
         }

classes/plugin/AdminController.php

@@ -1374,7 +1374,7 @@ class AdminController extends AdminBaseController
         $multilang = $this->isMultilang();
 
         if ($multilang && !$obj->language()) {
-            $obj->language($this->admin->language);
+            $obj->language($this->admin->getLanguage());
         }
         $admin_route = $this->admin->base;
 

themes/grav/templates/partials/javascript-config.html.twig

@@ -13,7 +13,7 @@
 <script type="text/javascript">
     window.GravAdmin = window.GravAdmin || {};
     window.GravAdmin.config = {
-        current_url: '{{ uri.route(true) }}',
+        current_url: '{{ uri.getCurrentRoute().withExtension('').withoutParams().toString() }}',
         base_url_relative: '{{ base_url_relative }}',
         base_url_simple: '{{ base_url_simple }}',
         route: '{{ admin.route|trim('/') }}',