qgsvaluemapfieldformatter.h

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/***************************************************************************
  qgsvaluemapfieldformatter.h - QgsValueMapFieldFormatter

 ---------------------
 begin                : 3.12.2016
 copyright            : (C) 2016 by Matthias Kuhn
 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 QGSVALUEMAPFIELDKIT_H
#define QGSVALUEMAPFIELDKIT_H

#include "qgis_core.h"
#include "qgsfieldformatter.h"

class CORE_EXPORT QgsValueMapFieldFormatter : public QgsFieldFormatter
{
  public:

    static const QString NULL_VALUE;

    QgsValueMapFieldFormatter();

    QString id() const override;

    QString representValue( QgsVectorLayer *layer, int fieldIndex, const QVariantMap &config, const QVariant &cache, const QVariant &value ) const override;

    QVariant sortValue( QgsVectorLayer *layer, int fieldIndex, const QVariantMap &config, const QVariant &cache, const QVariant &value ) const override;

    QVariantList availableValues( const QVariantMap &config, int countLimit, const QgsFieldFormatterContext &context ) const override;
};

#endif // QGSVALUEMAPFIELDKIT_H