From 5822198f92495788ed9312cfecf4f788d407f729 Mon Sep 17 00:00:00 2001
From: evlist <vdv@dyomedea.com>
Date: Sat, 8 Oct 2022 17:33:32 +0200
Subject: [PATCH] Localization (and language chooser)...

---
 src/components/map/GpxRecord.tsx              |  9 +++-
 src/components/map/Settings.tsx               | 43 ++++++++++++++++---
 .../map/TileServerChooserDialog.tsx           |  9 +++-
 src/components/map/TracksBrowser.tsx          | 11 ++++-
 src/i18n/index.tsx                            | 29 ++++++++++++-
 src/store/settings.ts                         |  2 +
 6 files changed, 93 insertions(+), 10 deletions(-)

diff --git a/src/components/map/GpxRecord.tsx b/src/components/map/GpxRecord.tsx
index dd2701b..e821355 100644
--- a/src/components/map/GpxRecord.tsx
+++ b/src/components/map/GpxRecord.tsx
@@ -29,7 +29,7 @@ import { useDispatch, useSelector } from 'react-redux';
 import { mapActions } from '../../store/map';
 import { SettingsState } from '../../store/settings';
 
-import i18n from '../../i18n/index';
+import i18n, { setI18nLanguage } from '../../i18n/index';
 
 
 declare global {
@@ -37,6 +37,13 @@ declare global {
 }
 
 const GpxRecord: React.FC<{}> = () => {
+
+  const language = useSelector(
+    (state: { settings: SettingsState }) => state.settings.language
+  );
+
+  setI18nLanguage(language);
+
   const db = useDB();
 
   const [isRecording, setIsRecording] = useState(false);
diff --git a/src/components/map/Settings.tsx b/src/components/map/Settings.tsx
index 3cd86dc..c7c4504 100644
--- a/src/components/map/Settings.tsx
+++ b/src/components/map/Settings.tsx
@@ -1,4 +1,4 @@
-import React, { Fragment, useEffect, useRef } from 'react';
+import React, { Fragment, useEffect, useRef, useState } from 'react';
 
 import { useDB } from 'react-pouchdb';
 
@@ -13,6 +13,8 @@ import {
   IonList,
   IonListHeader,
   IonModal,
+  IonSelect,
+  IonSelectOption,
   IonTitle,
   IonToolbar,
 } from '@ionic/react';
@@ -22,7 +24,7 @@ import { useDispatch, useSelector } from 'react-redux';
 import { settingsActions, SettingsState } from '../../store/settings';
 import uri from '../../lib/ids';
 import _ from 'lodash';
-import i18n from '../../i18n/index';
+import i18n, { setI18nLanguage } from '../../i18n/index';
 
 const Settings: React.FC<{}> = () => {
   const dispatch = useDispatch();
@@ -66,18 +68,18 @@ const Settings: React.FC<{}> = () => {
       };
       settingsFromRedux();
     }
+    setLocalLanguage(settingsState.language);
   }, [db, settingsState]);
 
+  const [localLanguage, setLocalLanguage] = useState(settingsState.language);
+
+  const languageSelect = useRef<HTMLIonSelectElement>(null);
   const pseudo = useRef<HTMLIonInputElement>(null);
   const minTimeInterval = useRef<HTMLIonInputElement>(null);
   const minDistance = useRef<HTMLIonInputElement>(null);
 
   const modal = useRef<HTMLIonModalElement>(null);
 
-  const dismiss = () => {
-    modal.current?.dismiss();
-  };
-
   const save = () => {
     dispatch(
       settingsActions.saveSettings({
@@ -88,11 +90,19 @@ const Settings: React.FC<{}> = () => {
           minTimeInterval: minTimeInterval.current?.value,
           minDistance: minDistance.current?.value,
         },
+        language: languageSelect.current?.value,
       })
     );
     dismiss();
   };
 
+  setI18nLanguage(localLanguage);
+
+  const dismiss = () => {
+    modal.current?.dismiss();
+    setLocalLanguage(settingsState.language);
+  };
+
   return (
     <Fragment>
       <IonButton id='open-SettingsDialog'>
@@ -112,6 +122,27 @@ const Settings: React.FC<{}> = () => {
           </IonButtons>
         </IonToolbar>
         <IonContent>
+          <IonList lines='full' class='ion-no-margin'>
+            <IonListHeader lines='full'>
+              <IonLabel>{i18n.language}</IonLabel>
+            </IonListHeader>
+            <IonItem>
+              <IonLabel>{i18n.colonize(i18n.language)} </IonLabel>
+              <IonSelect
+                placeholder={i18n.languageSelect.placeHolder}
+                ref={languageSelect}
+                value={localLanguage}
+                interface='popover'
+                onIonChange={(ev) => setLocalLanguage(ev.detail.value)}
+              >
+                {i18n.languageSelect.choices.map((choice) => (
+                  <IonSelectOption key={choice.value} value={choice.value}>
+                    {choice.label}
+                  </IonSelectOption>
+                ))}
+              </IonSelect>
+            </IonItem>
+          </IonList>
           <IonList lines='full' class='ion-no-margin'>
             <IonListHeader lines='full'>
               <IonLabel>{i18n.user}</IonLabel>
diff --git a/src/components/map/TileServerChooserDialog.tsx b/src/components/map/TileServerChooserDialog.tsx
index 976b5cd..e1248a1 100644
--- a/src/components/map/TileServerChooserDialog.tsx
+++ b/src/components/map/TileServerChooserDialog.tsx
@@ -16,13 +16,20 @@ import { useDispatch, useSelector } from 'react-redux';
 import { enterAnimation, leaveAnimation } from '../../lib/animation';
 import { mapActions, MapState } from '../../store/map';
 import { tileProviders } from './tile';
-import i18n from '../../i18n/index';
+import i18n, { setI18nLanguage } from '../../i18n/index';
+import { SettingsState } from '../../store/settings';
 
 const TileServerChooserDialog: React.FC<{}> = () => {
   const tileProvider = useSelector(
     (state: { map: MapState }) => state.map.scope.tileProvider
   ) as keyof typeof tileProviders;
 
+  const language = useSelector(
+    (state: { settings: SettingsState }) => state.settings.language
+  );
+
+  setI18nLanguage(language);
+
   const dispatch = useDispatch();
 
   const modal = useRef<HTMLIonModalElement>(null);
diff --git a/src/components/map/TracksBrowser.tsx b/src/components/map/TracksBrowser.tsx
index 4a46870..bd2b7a1 100644
--- a/src/components/map/TracksBrowser.tsx
+++ b/src/components/map/TracksBrowser.tsx
@@ -21,7 +21,9 @@ import { enterAnimation, leaveAnimation } from '../../lib/animation';
 import phoneRoute from '../../theme/icons/font-gis/svg/routing/uEB08-phone-route-nons.svg';
 import GpxImport from './gpx-import';
 import GpxExport from './GpxExport';
-import i18n from '../../i18n/index';
+import i18n, { setI18nLanguage } from '../../i18n/index';
+import { useSelector } from 'react-redux';
+import { SettingsState } from '../../store/settings';
 
 const TrackBrowser: React.FC<{}> = () => {
   const gpxes = useFind({
@@ -38,6 +40,13 @@ const TrackBrowser: React.FC<{}> = () => {
     modal.current?.dismiss();
   };
 
+  const language = useSelector(
+    (state: { settings: SettingsState }) => state.settings.language
+  );
+
+  setI18nLanguage(language);
+
+
   return (
     <Fragment>
       <IonButton id='track-browser-button'>
diff --git a/src/i18n/index.tsx b/src/i18n/index.tsx
index fd445ba..d5b9441 100644
--- a/src/i18n/index.tsx
+++ b/src/i18n/index.tsx
@@ -1,4 +1,3 @@
-import { Fragment } from 'react';
 import LocalizedStrings from 'react-localization';
 
 const strings = new LocalizedStrings({
@@ -9,6 +8,7 @@ const strings = new LocalizedStrings({
     cancel: 'Cancel',
     close: 'Close',
     settings: 'Settings',
+    language: 'Language',
     user: 'User',
     pseudo: 'Pseudo',
     geolocation: 'Geolocation',
@@ -38,6 +38,15 @@ const strings = new LocalizedStrings({
 
     chooseYourMap: 'Choose your map',
 
+    languageSelect: {
+      placeHolder: 'Select your language',
+      choices: [
+        { value: 'auto', label: 'Automatic' },
+        { value: 'en', label: 'English' },
+        { value: 'fr', label: 'Français' },
+      ],
+    },
+
     tracks: 'Tracks',
   },
   fr: {
@@ -47,6 +56,7 @@ const strings = new LocalizedStrings({
     cancel: 'Annuler',
     close: 'Fermer',
     settings: 'Paramètres',
+    language: 'Langue',
     user: 'Utilisateur',
     pseudo: 'Pseudo',
     geolocation: 'Géolocalisation',
@@ -86,8 +96,25 @@ const strings = new LocalizedStrings({
 
     chooseYourMap: 'Choisissez votre carte',
 
+    languageSelect: {
+      placeHolder: 'Selectionner votre langue',
+      choices: [
+        { value: 'auto', label: 'Automatique' },
+        { value: 'fr', label: 'Français' },
+        { value: 'en', label: 'English' },
+      ],
+    },
+
     tracks: 'Traces',
   },
 });
 
 export default strings;
+
+export const setI18nLanguage = (language: string) => {
+  if (language === undefined || language === 'auto') {
+    strings.setLanguage(strings.getInterfaceLanguage());
+  } else {
+    strings.setLanguage(language);
+  }
+};
diff --git a/src/store/settings.ts b/src/store/settings.ts
index 3b17dba..20541e9 100644
--- a/src/store/settings.ts
+++ b/src/store/settings.ts
@@ -9,6 +9,7 @@ export interface SettingsState {
     minTimeInterval: number;
     minDistance: number;
   };
+  language: 'auto'
 }
 
 export const initialSettingsState: SettingsState = {
@@ -20,6 +21,7 @@ export const initialSettingsState: SettingsState = {
     minTimeInterval: 15000,
     minDistance: 10,
   },
+  language: 'auto',
 };
 
 const settingsSlice = createSlice({