#include <QString>
#include <QVariant>
+class SettingsChangeNotifier : public QObject {
+ Q_OBJECT
+
+signals:
+ void valueChanged(const QVariant &newValue);
+
+private:
+ friend class Settings;
+};
+
class Settings {
public:
enum Mode { Default, Custom };
-
+
+public:
+ virtual void notify(const QString &key, QObject *receiver, const char *slot);
+
protected:
inline Settings(QString group_, QString appName_) : group(group_), appName(appName_) {}
inline virtual ~Settings() {}
-
+
inline void setGroup(const QString &group_) { group = group_; }
-
+
virtual QStringList allLocalKeys();
virtual QStringList localChildKeys(const QString &rootkey = QString());
virtual QStringList localChildGroups(const QString &rootkey = QString());
-
+
virtual void setLocalValue(const QString &key, const QVariant &data);
virtual const QVariant &localValue(const QString &key, const QVariant &def = QVariant());
-
+
virtual void removeLocalKey(const QString &key);
-
+
QString group;
QString appName;
}
static QHash<QString, QHash<QString, QVariant> > settingsCache;
+ static QHash<QString, QHash<QString, SettingsChangeNotifier *> > settingsChangeNotifier;
+
inline void setCacheValue(const QString &group, const QString &key, const QVariant &data) {
settingsCache[group][key] = data;
}
inline bool isCached(const QString &group, const QString &key) {
return settingsCache.contains(group) && settingsCache[group].contains(key);
}
-};
+ inline SettingsChangeNotifier *notifier(const QString &group, const QString &key) {
+ if(!hasNotifier(group, key))
+ settingsChangeNotifier[group][key] = new SettingsChangeNotifier();
+ return settingsChangeNotifier[group][key];
+ }
+ inline bool hasNotifier(const QString &group, const QString &key) {
+ return settingsChangeNotifier.contains(group) && settingsChangeNotifier[group].contains(key);
+ }
+};
#endif