✨ Select languages per election (#369)

Parent issue: sequentech/meta#306
sequentech · Nov 16, 2023 · 00ead7b · 00ead7b
1 parent 0c6874b
commit 00ead7b
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Showing 3 changed files with 46 additions and 10 deletions.
diff --git a/avUi/change-lang-directive/change-lang-directive.js b/avUi/change-lang-directive/change-lang-directive.js
@@ -26,6 +26,7 @@ angular.module('avUi')
     ipCookie,
     angularLoad,
     amMoment,
+    $rootScope,
     ConfigService,
     $window,
     I18nOverride,
@@ -45,6 +46,17 @@ angular.module('avUi')
       }
       element.on('click', triggerDropdown);
 
+      // detect language changes
+      $rootScope.$on(
+        'i18nextLanguageChange',
+        function (event, languageCode)
+        {
+          scope.deflang = languageCode;
+          scope.langs = $i18next.options.lngWhitelist;
+          scope.$apply();
+        }
+      );
+
       // Changes i18n to a specific language, setting also a cookie for
       // remembering it, and updating all the translations instantly.
       //
@@ -79,7 +91,8 @@ angular.module('avUi')
         ipCookie(
           "lang",
           lang,
-          _.extend(cookieConf, ConfigService.i18nextCookieOptions));
+          _.extend(cookieConf, ConfigService.i18nextCookieOptions)
+        );
         scope.deflang = lang;
         angular.element('#ng-app').attr('lang', scope.deflang);
 

diff --git a/avUi/i18n-override-service.js b/avUi/i18n-override-service.js
@@ -38,7 +38,7 @@ angular
     'I18nOverride',
     function($i18next, $rootScope, $window)
     {
-      return function (overrides, force)
+      return function (overrides, force, languagesConf)
       {
         force = angular.isDefined(force) ? force : false;
         overrides = overrides === null ? $window.i18nOverride : overrides;
@@ -53,6 +53,20 @@ angular
           $window.i18nOverride = overrides;
         }
 
+        if (languagesConf)
+        {
+          // For some reason it seems that `$i18next.options.lng` gets desynced
+          // from `$window.i18n.lng()`. This might result in an unexpected
+          // language change when the init() function from $i18next gets called
+          // later in this code. For this reason, we set the correct language in
+          // `$i18next.options.lng` to ensure that doesn't happen.
+          $i18next.options.lng = (languagesConf.force_default_language) ?
+            languagesConf.default_language : $window.i18n.lng();
+
+          $i18next.options.lngWhitelist = languagesConf.available_languages;
+          $i18next.options.fallbackLng = [languagesConf.default_language, 'en'];
+        }
+
         // load i18n_overrides if any
         if (performOverrides)
         {
@@ -76,11 +90,16 @@ angular
               );
             }
           );
-          $rootScope.$broadcast(
-            'i18nextLanguageChange',
-            $window.i18n.lng()
-          );
         }
+
+        // This will trigget a $i18next's init function to be called and all
+        // angularjs $i18next translations to be updated accordingly.
+        // `i18nextLanguageChange` signal is special for $i18next, see its code
+        // for reference.
+        $rootScope.$emit(
+          'i18nextLanguageChange',
+          $i18next.options.lng
+        );
       };
     }
   );
diff --git a/dist/appCommon-vmaster.js b/dist/appCommon-vmaster.js
@@ -1121,17 +1121,19 @@ angular.module("avRegistration").config(function() {}), angular.module("avRegist
         });
     };
 } ]), angular.module("avUi").service("I18nOverride", [ "$i18next", "$rootScope", "$window", function($i18next, $rootScope, $window) {
-    return function(overrides, force) {
+    return function(overrides, force, languagesConf) {
         force = !!angular.isDefined(force) && force;
         var performOverrides = !1;
         (overrides = null === overrides ? $window.i18nOverride : overrides) && (performOverrides = force || JSON.stringify(overrides) !== JSON.stringify($window.i18nOverride), 
-        $window.i18nOverride = overrides), performOverrides && (_.map($window.i18nOverride, function(i18nOverride, language) {
+        $window.i18nOverride = overrides), languagesConf && ($i18next.options.lng = languagesConf.force_default_language ? languagesConf.default_language : $window.i18n.lng(), 
+        $i18next.options.lngWhitelist = languagesConf.available_languages, $i18next.options.fallbackLng = [ languagesConf.default_language, "en" ]), 
+        performOverrides && _.map($window.i18nOverride, function(i18nOverride, language) {
             $window.i18n.addResources(language, "translation", i18nOverride), _.each(_.keys(i18nOverride), function(i18nString) {
                 $i18next(i18nString, {});
             });
-        }), $rootScope.$broadcast("i18nextLanguageChange", $window.i18n.lng()));
+        }), $rootScope.$emit("i18nextLanguageChange", $i18next.options.lng);
     };
-} ]), angular.module("avUi").directive("avChangeLang", [ "$i18next", "ipCookie", "angularLoad", "amMoment", "ConfigService", "$window", "I18nOverride", "Authmethod", function($i18next, ipCookie, angularLoad, amMoment, ConfigService, $window, I18nOverride, Authmethod) {
+} ]), angular.module("avUi").directive("avChangeLang", [ "$i18next", "ipCookie", "angularLoad", "amMoment", "$rootScope", "ConfigService", "$window", "I18nOverride", "Authmethod", function($i18next, ipCookie, angularLoad, amMoment, $rootScope, ConfigService, $window, I18nOverride, Authmethod) {
     return {
         restrict: "AE",
         scope: {},
@@ -1143,6 +1145,8 @@ angular.module("avRegistration").config(function() {}), angular.module("avRegist
                 setTimeout(function() {
                     angular.element("#lang-dropdown-toggle").click();
                 }, 0);
+            }), $rootScope.$on("i18nextLanguageChange", function(event, languageCode) {
+                scope.deflang = languageCode, scope.langs = $i18next.options.lngWhitelist, scope.$apply();
             }), scope.changeLang = function(lang) {
                 $i18next.options.lng = lang, isAdmin || ($i18next.options.useLocalStorage = !0), 
                 angular.isDefined($window.i18nOverride) && $window.i18n.preload([ lang ], function() {