feat:#60 added localization switch

frontend/src/components/CourseSelection.vue

@@ -1,11 +1,14 @@
 <script lang="ts" setup>
-import { Ref, ref } from "vue";
+import { computed, ComputedRef, Ref, ref } from "vue";
 import {
   fetchCourse,
   fetchModulesByCourseAndSemester,
 } from "../api/fetchCourse";
 import ModuleSelection from "./ModuleSelection.vue";
 import { Module } from "../model/module.ts";
+import { useI18n } from "vue-i18n";
+const { t } = useI18n({ useScope: 'global' })
+
 
 const courses = async () => {
   return await fetchCourse();
@@ -13,9 +16,9 @@ const courses = async () => {
 
 const selectedCourse: Ref<{ name: string }> = ref({ name: "" });
 const countries: Ref<{ name: string }[]> = ref([]);
-const semesters: Ref<{ name: string; value: string }[]> = ref([
-  { name: "Wintersemester", value: "ws" },
-  { name: "Sommersemester", value: "ss" },
+const semesters: ComputedRef<{ name: string; value: string }[]> = computed(() =>[
+  { name: t('courseSelection.winterSemester'), value: "ws" },
+  { name: t('courseSelection.summerSemester'), value: "ss" },
 ]);
 
 const selectedSemester: Ref<{ name: string; value: string }> = ref(
@@ -53,7 +56,7 @@ async function getModules() {
     <div
       class="flex align-items-center justify-content-center h-4rem border-round m-2"
     >
-      <h5 class="text-2xl">Please select a course</h5>
+      <h5 class="text-2xl">{{ $t('courseSelection.selectCourse') }}</h5>
     </div>
     <div
       class="flex align-items-center justify-content-center border-round m-2"

frontend/src/components/LocaleSwitcher.vue

@@ -1,39 +1,49 @@
 <script lang="ts" setup>
-import i18n, { supportedLocales } from "../i18n";
-import { Ref, ref } from "vue";
-import router from "../router";
+import { computed } from "vue";
+import localeStore from "../store/localeStore.ts";
 import { useI18n } from "vue-i18n";
+const { t } = useI18n({ useScope: 'global' })
 
-const locales = ref(
-  Object.keys(supportedLocales).map((code) => ({
-    code,
-    name: supportedLocales[code].name,
-  })),
-);
+const countries = computed(() => [
+  { name: t('english'), code: "en", icon: "🇬🇧" },
+  { name: t('german'), code: "de", icon: "🇩🇪" },
+]);
 
-// selectedLocal is the string of the selected locale from i18n matched with the locales array
-const selectedLocale: Ref<any> = ref();
+function displayIcon(code: string) {
+  return countries.value.find((country) => country.code === code)?.icon;
+}
 
-const i18n1 = (i18n.vueI18n);
+function displayCountry(code: string) {
+  return countries.value.find((country) => country.code === code)?.name;
+}
 
-function onLocaleChange() {
-  const newLocale: string = selectedLocale.value.code;
-
-  // If the selected locale is the same as the
-  // active one, do nothing
-  if (newLocale === i18n.vueI18n.global.locale) {
-    return;
-  }
-  i18n1.global.locale = newLocale;
-  router.push(`/${newLocale}`);
+function updateLocale(locale: string) {
+  localeStore().setLocale(locale);
 }
 </script>
 <template>
   <Dropdown
-    :options="locales"
-    optionLabel="name"
-    v-model="selectedLocale"
-    @change="onLocaleChange"
+    :options="$i18n.availableLocales"
+    v-model="$i18n.locale"
+    @change="updateLocale($event.data)"
+    option-label="name"
+    placeholder="Select a Language"
+    class="w-full md:w-14rem"
   >
+    <template #value="slotProps">
+      <div v-if="slotProps.value" class="flex align-items-center">
+        <div class="mr-2 flag">{{ displayIcon(slotProps.value) }}</div>
+        <div>{{ displayCountry(slotProps.value) }}</div>
+      </div>
+      <span v-else>
+        {{ slotProps.placeholder }}
+      </span>
+    </template>
+    <template #option="slotProps">
+      <div class="flex align-items-center">
+        <div class="mr-2 flag">{{ displayIcon(slotProps.option) }}</div>
+        <div>{{ displayCountry(slotProps.option) }}</div>
+      </div>
+    </template>
   </Dropdown>
-</template>
+</template>

frontend/src/components/MenuBar.vue

@@ -1,58 +1,50 @@
 <script lang="ts" setup>
-import { ref } from "vue";
+import { computed } from "vue";
 import { useI18n } from "vue-i18n";
 import LocaleSwitcher from "./LocaleSwitcher.vue";
-import i18n from "../i18n";
+const { t } = useI18n({ useScope: 'global' })
 
-const { t, locale } = useI18n();
-
-console.debug("locale", locale);
-console.debug(useI18n().locale)
-
-const items = ref([
+const items = computed(() => [
   {
     label: t("createCalendar"),
     icon: "pi pi-fw pi-plus",
-    url: `/${locale}`,
+    to: "/",
   },
   {
     label: t("editCalendar"),
     icon: "pi pi-fw pi-pencil",
-    url: `/${locale}/edit`,
+    to: "/edit",
   },
   {
     label: t("roomFinder"),
     icon: "pi pi-fw pi-calendar",
-    url: `/${locale}/rooms`,
+    to: `rooms`,
   },
   {
     label: t("faq"),
     icon: "pi pi-fw pi-book",
-    url: `/${i18n.vueI18n.global.locale}/faq`,
+    to: `faq`,
   },
   {
     label: t("imprint"),
     icon: "pi pi-fw pi-id-card",
-    url: `/${i18n.vueI18n.global.locale}/imprint`,
+    to: `imprint`,
   },
   {
     label: t("privacy"),
     icon: "pi pi-fw pi-exclamation-triangle",
-    url: `/${i18n.vueI18n.global.locale}/privacy-policy`,
+    to: `privacy-policy`,
   },
 ]);
 
-function removeAllItems() {
-  items.value = [];
-}
 </script>
 
 <template>
   <Menubar :model="items" class="menubar justify-content-center">
-    <template #start></template>
+    <template #start>
+    </template>
     <template #end>
       <LocaleSwitcher></LocaleSwitcher>
-      <Button @click="removeAllItems()"></Button>
     </template>
   </Menubar>
 </template>