Dynamic languages in selector

Similar to categories, Languages in the selector are now shown based on the library.

src/contentmanager.cpp

@@ -71,6 +71,7 @@ ContentManager::ContentManager(Library* library, kiwix::Downloader* downloader,
     connect(&m_remoteLibraryManager, &OpdsRequestManager::languagesReceived, this, &ContentManager::updateLanguages);
     connect(&m_remoteLibraryManager, &OpdsRequestManager::categoriesReceived, this, &ContentManager::updateCategories);
     setCategories();
+    setLanguages();
 }
 
 QList<QMap<QString, QVariant>> ContentManager::getBooksList()
@@ -147,6 +148,7 @@ void ContentManager::setLocal(bool local) {
     m_local = local;
     emit(filterParamsChanged());
     setCategories();
+    setLanguages();
 }
 
 QStringList ContentManager::getTranslations(const QStringList &keys)
@@ -187,6 +189,7 @@ void ContentManager::setLanguages()
             languages.push_back({langCode, selfName});
         }
         m_languages = languages;
+        emit(languagesLoaded(m_languages));
         return;
     }
     m_remoteLibraryManager.getLanguagesFromOpds();
@@ -631,6 +634,7 @@ void ContentManager::updateLanguages(const QString& content) {
         tempLanguages.push_back({code, title});
     }
     m_languages = tempLanguages;
+    emit(languagesLoaded(m_languages));
 }
 
 void ContentManager::updateCategories(const QString& content) {;

src/contentmanager.h

@@ -16,9 +16,9 @@ class ContentManager : public QObject
     Q_PROPERTY(QStringList bookIds READ getBookIds NOTIFY booksChanged)
     Q_PROPERTY(QStringList downloadIds READ getDownloadIds NOTIFY downloadsChanged)
     Q_PROPERTY(QString currentLanguage MEMBER m_currentLanguage WRITE setCurrentLanguage NOTIFY currentLangChanged)
-    typedef QList<QPair<QString, QString>> LanguageList;
 
 public:
+    typedef QList<QPair<QString, QString>> LanguageList;
     explicit ContentManager(Library* library, kiwix::Downloader *downloader, QObject *parent = nullptr);
     virtual ~ContentManager() {}
 
@@ -65,6 +65,7 @@ signals:
     void currentLangChanged();
     void pendingRequest(const bool);
     void categoriesLoaded(QStringList);
+    void languagesLoaded(LanguageList);
 
 public slots:
     QStringList getTranslations(const QStringList &keys);

src/contentmanagerside.cpp

@@ -93,30 +93,9 @@ ContentManagerSide::ContentManagerSide(QWidget *parent) :
     }
 
     setCategories(KiwixApp::instance()->getContentManager()->getCategories());
+    setLanguages(KiwixApp::instance()->getContentManager()->getLanguages());
     connect(KiwixApp::instance()->getContentManager(), &ContentManager::categoriesLoaded, this, &ContentManagerSide::setCategories);
-
+    connect(KiwixApp::instance()->getContentManager(), &ContentManager::languagesLoaded, this, &ContentManagerSide::setLanguages);
-    for(auto lang: S_LANGUAGES)
-    {
-        auto currentLang = QLocale().language();
-        auto locale = QLocale(lang);
-        if (locale.language() != lang) {
-            // Qt may not find the locale for the lang :/
-            // In this case, Qt return the current locale
-            // So we must be sure that the locale found correspond to the lang we want to add,
-            // else we may add several time the current language.
-            continue;
-        }
-        auto item = new KListWidgetItem(QLocale::languageToString(locale.language()));
-        item->setData(Qt::UserRole, lang);
-        mp_languageSelector->addItem(item);
-        if (lang == currentLang) {
-            item->setSelected(true);
-        }
-    }
-    mp_languageSelector->sortItems();
-    auto item = new KListWidgetItem("All");
-    item->setData(Qt::UserRole, QLocale::AnyLanguage);
-    mp_languageSelector->insertItem(0, item);
 }
 
 ContentManagerSide::~ContentManagerSide()
@@ -131,14 +110,12 @@ void ContentManagerSide::setContentManager(ContentManager *contentManager)
             this, [=]() {
                 auto item = mp_languageSelector->selectedItems().at(0);
                 if (!item) return;
-                auto langId = item->data(Qt::UserRole).toInt();
+                auto lang = item->data(Qt::UserRole).toString();
-                auto lang = QLocale::Language(langId);
+                if (lang == "all") {
-                if (lang == QLocale::AnyLanguage) {
                     mp_contentManager->setCurrentLanguage("*");
                     return;
                 }
-                auto locale = QLocale(lang);
+                mp_contentManager->setCurrentLanguage(lang);
-                mp_contentManager->setCurrentLanguage(locale.name().split("_").at(0));
     });
     connect(mp_categorySelector, &QListWidget::itemSelectionChanged,
             this, [=]() {
@@ -173,3 +150,25 @@ void ContentManagerSide::setCategories(QStringList categories)
         }
     }
 }
+
+void ContentManagerSide::setLanguages(ContentManager::LanguageList langList)
+{
+    mp_languageSelector->blockSignals(true);
+    mp_languageSelector->setHidden(true);
+    mp_languageSelector->clear();
+    mp_languageSelector->blockSignals(false);
+    for(auto lang: langList)
+    {
+        auto currentLang = QLocale().language();
+        auto item = new KListWidgetItem(lang.second);
+        item->setData(Qt::UserRole, lang.first);
+        mp_languageSelector->addItem(item);
+        if (lang.second == QLocale::languageToString(currentLang)) {
+            item->setSelected(true);
+        }
+    }
+    mp_languageSelector->sortItems();
+    auto item = new KListWidgetItem("All");
+    item->setData(Qt::UserRole, "all");
+    mp_languageSelector->insertItem(0, item);
+}

src/contentmanagerside.h

@@ -33,6 +33,7 @@ private:
 
 public slots:
     void setCategories(QStringList);
+    void setLanguages(ContentManager::LanguageList);
 };
 
 #endif // CONTENTMANAGERSIDE_H