qgsvectorfilewritertask.h

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/***************************************************************************
                          qgsvectorfilewritertask.h
                          -------------------------
    begin                : Feb 2017
    copyright            : (C) 2017 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 QGSVECTORFILEWRITERTASK_H
#define QGSVECTORFILEWRITERTASK_H
 
#include "qgis_core.h"
#include "qgstaskmanager.h"
#include "qgsvectorfilewriter.h"

class CORE_EXPORT QgsVectorFileWriterTask : public QgsTask
{
    Q_OBJECT
 
  public:
    QgsVectorFileWriterTask( QgsVectorLayer *layer, const QString &fileName, const QgsVectorFileWriter::SaveVectorOptions &options, QgsFeatureSink::SinkFlags sinkFlags = QgsFeatureSink::SinkFlags() );
 
    void cancel() override;
 
  signals:

    void writeComplete( const QString &newFilename );

    void completed( const QString &newFilename, const QString &newLayer ) SIP_SKIP;

    void errorOccurred( int error, const QString &errorMessage );
 
  protected:
    bool run() override;
    void finished( bool result ) override;
 
  private:
    QString mDestFileName;
 
    std::unique_ptr< QgsFeedback > mOwnedFeedback;
    QgsFeatureSink::SinkFlags mSinkFlags;
    QgsVectorFileWriter::WriterError mError = QgsVectorFileWriter::NoError;
 
    QString mNewFilename;
    QString mNewLayer;
    QString mErrorMessage;
 
    QgsVectorFileWriter::SaveVectorOptions mOptions;
    QgsVectorFileWriter::PreparedWriterDetails mWriterDetails;
    std::unique_ptr< QgsVectorFileWriter::FieldValueConverter > mFieldValueConverter;
 
    QgsCoordinateTransformContext mTransformContext;
};
 
#endif