StyleFlagsModel.h

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#ifndef OSMSCOUT_CLIENT_QT_STYLEFLAGSMODEL_H
#define OSMSCOUT_CLIENT_QT_STYLEFLAGSMODEL_H

/*
  OSMScout - a Qt backend for libosmscout and libosmscout-map
  Copyright (C) 2017 Lukas Karas

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

#include <unordered_map>

#include <QObject>
#include <QAbstractListModel>

#include <osmscout/StyleModule.h>
#include <osmscout/ClientQtImportExport.h>

namespace osmscout {

class OSMSCOUT_CLIENT_QT_API StyleFlagsModel: public QAbstractListModel
{
  Q_OBJECT

private:
  StyleModule         *styleModule;
  QMap<QString,bool>  mapFlags;
  QSet<QString>       inProgressFlags;

signals:
  void styleFlagsRequested();
  void setFlagRequest(QString key, bool value);

private slots:
  void onStyleFlagsChanged(QMap<QString,bool>);
  void onFlagSet(QString key, bool value);

public:
  enum Roles {
    KeyRole        = Qt::UserRole,
    ValueRole      = Qt::UserRole+1,
    InProgressRole = Qt::UserRole+2,
  };
  Q_ENUM(Roles)

  StyleFlagsModel();
  virtual ~StyleFlagsModel();

  Q_INVOKABLE virtual int inline rowCount(const QModelIndex &/*parent = QModelIndex()*/) const
  {
      return mapFlags.size();
  };

  Q_INVOKABLE virtual QVariant data(const QModelIndex &index, int role) const;
  virtual QHash<int, QByteArray> roleNames() const;
  Q_INVOKABLE virtual Qt::ItemFlags flags(const QModelIndex &index) const;

  Q_INVOKABLE void setFlag(const QString &key, bool value);
};

}

#endif /* OSMSCOUT_CLIENT_QT_STYLEFLAGSMODEL_H */