qgsvectorlayereditbuffergroup.h

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/***************************************************************************
  qgsvectorlayereditbuffergroup.h - QgsVectorLayerEditBufferGroup
 
 ---------------------
 begin                : 22.12.2021
 copyright            : (C) 2021 by Damiano Lombardi
 email                : [email protected]
 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSVECTORLAYEREDITBUFFERGROUP_H
#define QGSVECTORLAYEREDITBUFFERGROUP_H
 
#include "qgis_core.h"
#include "qgis_sip.h"
 
#include <QObject>
#include <QSet>
 
class QgsVectorLayer;

class CORE_EXPORT QgsVectorLayerEditBufferGroup : public QObject
{
    Q_OBJECT
 
  public:

    explicit QgsVectorLayerEditBufferGroup( QObject *parent = nullptr );

    void addLayer( QgsVectorLayer *layer );

    void removeLayer( QgsVectorLayer *layer );

    void clear();

    QSet<QgsVectorLayer *> layers() const;

    QSet<QgsVectorLayer *> modifiedLayers() const;

    bool startEditing();

    bool commitChanges( QStringList &commitErrors SIP_OUT, bool stopEditing = true );

    bool rollBack( QStringList &rollbackErrors SIP_OUT, bool stopEditing = true );

    bool isEditing() const;
 
  private:
 
    QList<QgsVectorLayer *> orderLayersParentsToChildren( QSet<QgsVectorLayer *> layers );
    void editingFinished( bool stopEditing );
 
    QSet<QgsVectorLayer *> mLayers;
 
    bool mIsEditing = false;
};
 
#endif // QGSVECTORLAYEREDITBUFFERGROUP_H