settings_scope.h

#ifndef SETTINGS_SCOPE_H_
#define SETTINGS_SCOPE_H_

#include <qvariant.h>
#include <qdom.h>

#include "appcore.h"

class ITEMFRAMEWORK_EXPORT SettingsScope : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString name READ name WRITE setName)

public:
    explicit SettingsScope(const QString& name, SettingsScope* parent = 0);
    virtual ~SettingsScope();

    QVariant value(const QString& key, QVariant defaultValue = QVariant(),
                   bool searchAll = true) const;

    void setValue(const QString& key, const QVariant& value);

    const QString& name() const;
    void setName(const QString& name);

    QString scopeId() const;

    SettingsScope* parentScope() const
    {
        return qobject_cast<SettingsScope*>(parent());
    }

    void setParentScope(SettingsScope* newParent);

    static SettingsScope* applicationScope();

    static SettingsScope* globalScope();

    QHash<QString, QVariant> allSettings(bool recurse = false);

    bool load(const QDomElement& parent);
    bool save(QDomDocument& doc, QDomElement& parent);

    static void init();
    static void deinit();

signals:
    void valueChanged(const QString& key, const QVariant& value);
    void scopeChanged();

    void parentScopeChanged(SettingsScope *old);

private:
    QScopedPointer<class SettingsScopePrivate> d_ptr;
    Q_DECLARE_PRIVATE(SettingsScope);
    Q_DISABLE_COPY(SettingsScope);
};

#endif /* SETTINGS_SCOPE_H_ */