From 327649c0403325b6485964422a0da110034278e1 Mon Sep 17 00:00:00 2001
From: pietervdvn <pietervdvn@posteo.net>
Date: Sat, 21 Aug 2021 20:25:36 +0200
Subject: [PATCH] Add language control parameter

---
 Docs/URL_Parameters.md | 4 ++++
 UI/i18n/Locale.ts      | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/Docs/URL_Parameters.md b/Docs/URL_Parameters.md
index 589ed0cbd2..6d96e02de0 100644
--- a/Docs/URL_Parameters.md
+++ b/Docs/URL_Parameters.md
@@ -19,6 +19,10 @@ the URL-parameters are stated in the part between the `?` and the `#`. There are
 
 Finally, the URL-hash is the part after the `#`. It is `node/1234` in this case.
 
+ language
+----------
+
+The language to display mapcomplete in. Will be ignored in case a logged-in-user did set their language before. If the specified language does not exist, it will default to the first language in the theme.
 
  download-control-toggle 
 -------------------------
diff --git a/UI/i18n/Locale.ts b/UI/i18n/Locale.ts
index 55365ce6ce..1ef9f0ae48 100644
--- a/UI/i18n/Locale.ts
+++ b/UI/i18n/Locale.ts
@@ -1,6 +1,7 @@
 import {UIEventSource} from "../../Logic/UIEventSource";
 import {LocalStorageSource} from "../../Logic/Web/LocalStorageSource";
 import {Utils} from "../../Utils";
+import {QueryParameters} from "../../Logic/Web/QueryParameters";
 
 
 export default class Locale {
@@ -14,6 +15,10 @@ export default class Locale {
             window.setLanguage = function (language: string) {
                 source.setData(language)
             }
+            source.syncWith(
+                QueryParameters.GetQueryParameter("language", undefined,"The language to display mapcomplete in. Will be ignored in case a logged-in-user did set their language before. If the specified language does not exist, it will default to the first language in the theme."),
+                true
+            )
         }
         return source;
     }