DialogStateController.hxx

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// Copyright (C) 2020  James Turner  <james@flightgear.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
#ifndef DialogStateController_h
#define DialogStateController_h
 
#include <QJSValue>
#include <QMap>
#include <QObject>
 
class DialogStateController : public QObject
{
    Q_OBJECT
 
    Q_PROPERTY(bool canRestoreDefaults READ canRestoreDefaults WRITE setCanRestoreDefaults NOTIFY canRestoreDefaultsChanged)
    Q_PROPERTY(bool canApply READ canApply NOTIFY canApplyChanged)
public:
    Q_INVOKABLE void add(QString key, QJSValue cb);
 
    bool canApply() const
    {
        return m_canApply;
    }
 
    bool canRestoreDefaults() const
    {
        return m_canRestoreDefaults;
    }
 
public slots:
 
    void apply();
 
    void cancel();
 
    void restoreDefaults();
 
    void setCanRestoreDefaults(bool canRestoreDefaults);
 
signals:
    void canApplyChanged(bool canApply);
 
    void canRestoreDefaultsChanged(bool canRestoreDefaults);
 
private:
    // list of tracked changes
    QMap<QString, QJSValue> m_changes;
 
    bool m_canApply = false;
    bool m_canRestoreDefaults = false;
};
 
#endif /* DialogStateController_h */