Start refactoring setting system for plugins/extensions.

include/uibase/extensionsetting.h

@@ -0,0 +1,89 @@
+#pragma once
+
+#include <QString>
+#include <QVariant>
+
+namespace MOBase
+{
+
+// class representing a group of settings
+//
+class SettingGroup
+{
+public:
+  SettingGroup(QString const& name, QString const& title, QString const& description)
+      : m_Name{name}, m_Title{title}, m_Description{description}
+  {}
+
+  // return the (internal) name of this group, localization independent
+  //
+  const auto& name() const { return m_Name; }
+
+  // retrieve the title of this group, can be localized
+  //
+  const auto& title() const { return m_Title; }
+
+  // retrieve the description of this group, can be localized
+  //
+  const auto& description() const { return m_Description; }
+
+private:
+  QString m_Name, m_Title, m_Description;
+};
+
+// class that represents an extension or a plugin setting
+//
+class Setting
+{
+public:
+  // deprecated constructor that was previously available as PluginSettin
+  //
+  [[deprecated]] Setting(const QString& name, const QString& description,
+                         const QVariant& defaultValue)
+      : m_Name{name}, m_Title{name}, m_Description{description}, m_Group{},
+        m_DefaultValue{defaultValue}
+  {}
+
+  Setting(const QString& name, const QString& title, const QString& description,
+          const QVariant& defaultValue)
+      : m_Name{name}, m_Title{title}, m_Description{description}, m_Group{},
+        m_DefaultValue{defaultValue}
+  {}
+
+  Setting(const QString& name, const QString& title, const QString& description,
+          const QString& group, const QVariant& defaultValue)
+      : m_Name{name}, m_Title{title}, m_Description{description}, m_Group{group},
+        m_DefaultValue{defaultValue}
+  {}
+
+public:
+  // return the (internal) name of this setting, localization independent
+  //
+  const auto& name() const { return m_Name; }
+
+  // retrieve the title of this setting, can be localized
+  //
+  const auto& title() const { return m_Title; }
+
+  // retrieve the description of this setting, can be localized
+  //
+  const auto& description() const { return m_Description; }
+
+  // retrieve the name of the group this settings belongs to or an empty string if there
+  // is none
+  //
+  const auto& group() const { return m_Group; }
+
+  // retrieve the default value of this setting
+  //
+  const auto& defaultValue() const { return m_DefaultValue; }
+
+private:
+  QString m_Name;
+  QString m_Title;
+  QString m_Description;
+  QString m_Group;
+  QVariant m_DefaultValue;
+};
+
+}  // namespace MOBase

include/uibase/imodinterface.h

@@ -269,17 +269,17 @@ class IModInterface
   virtual void setUrl(const QString& url) = 0;
 
 public:  // Plugin operations:
-         /**
-          * @brief Retrieve the specified setting in this mod for a plugin.
-          *
-          * @param pluginName Name of the plugin for which to retrieve a setting. This should
-          * always be IPlugin::name()        unless you have a really good reason to access
-          * settings        of another plugin.
-          * @param key Identifier of the setting.
-          * @param defaultValue The default value to return if the setting does not exist.
-          *
-          * @return the setting, if found, or the default value.
-          */
+  /**
+   * @brief Retrieve the specified setting in this mod for a plugin.
+   *
+   * @param pluginName Name of the plugin for which to retrieve a setting. This should
+   * always be IPlugin::name() unless you have a really good reason to access
+   * settings of another plugin.
+   * @param key Identifier of the setting.
+   * @param defaultValue The default value to return if the setting does not exist.
+   *
+   * @return the setting, if found, or the default value.
+   */
   virtual QVariant pluginSetting(const QString& pluginName, const QString& key,
                                  const QVariant& defaultValue = QVariant()) const = 0;
 

include/uibase/iplugin.h

@@ -21,9 +21,9 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 #ifndef IPLUGIN_H
 #define IPLUGIN_H
 
+#include "extensionsetting.h"
 #include "imoinfo.h"
 #include "pluginrequirements.h"
-#include "pluginsetting.h"
 #include "versioninfo.h"
 #include <QList>
 #include <QObject>
@@ -88,7 +88,12 @@ class IPlugin
    * @note Plugin can store "hidden" (from the user) settings using
    * IOrganizer::persistent / IOrganizer::setPersistent.
    */
-  virtual QList<PluginSetting> settings() const = 0;
+  virtual QList<Setting> settings() const = 0;
+
+  /**
+   * @return the list of groups for settings.
+   */
+  virtual QList<SettingGroup> settingGroups() const { return {}; }
 
   /**
    * @return whether the plugin should be enabled by default

include/uibase/pluginsetting.h

@@ -21,29 +21,13 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 #ifndef PLUGINSETTING_H
 #define PLUGINSETTING_H
 
-#include <QList>
-#include <QString>
-#include <QVariant>
+#include "extensionsetting.h"
 
 namespace MOBase
 {
 
-/**
- * @brief struct to hold the user-configurable parameters a plugin accepts. The purpose
- * of this struct is only to inform the application what settings to offer to the user,
- * it does not hold the actual value
- */
-struct PluginSetting
-{
-  PluginSetting(const QString& key, const QString& description,
-                const QVariant& defaultValue)
-      : key(key), description(description), defaultValue(defaultValue)
-  {}
-
-  QString key;
-  QString description;
-  QVariant defaultValue;
-};
+// deprecated alias
+using PluginSetting [[ deprecated ]] = Setting;
 
 }  // namespace MOBase
 

src/extension.cpp

@@ -96,10 +96,10 @@ ExtensionMetaData::ExtensionMetaData(std::filesystem::path const& path,
                                Version::ParseMode::SemVer);
   } catch (InvalidVersionException const& ex) {
     throw InvalidExtensionMetaDataException(
-        std::format("invalid or missing version '{}'", jsonData["version"].toString()));
+        std::format("invalid or missing version '{}': {}",
+                    jsonData["version"].toString(), ex.what()));
   }
 
-  // TODO: name of the key
   // translation context
   m_TranslationContext = jsonData["translation-context"].toString("");
 
@@ -337,7 +337,7 @@ TranslationExtension::parseTranslation(std::filesystem::path const& extensionFol
     QLocale locale(identifier);
     name = QString("%1 (%2)")
                .arg(locale.nativeLanguageName())
-               .arg(locale.nativeCountryName());
+               .arg(locale.nativeTerritoryName());
   }
 
   return std::make_shared<Translation>(identifier.toStdString(), name.toStdString(),