qgsfieldformatter.h

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/***************************************************************************
  qgsfieldformatter.h - QgsFieldFormatter

 ---------------------
 begin                : 2.12.2016
 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 QGSFIELDKIT_H
#define QGSFIELDKIT_H

#include <QString>
#include <QVariant>

#include "qgis_core.h"

class QgsVectorLayer;

class CORE_EXPORT QgsFieldFormatter
{
  public:
    QgsFieldFormatter();

    virtual ~QgsFieldFormatter() = default;

    virtual QString id() const = 0;

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

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

    virtual Qt::AlignmentFlag alignmentFlag( QgsVectorLayer *layer, int fieldIndex, const QVariantMap &config ) const;

    virtual QVariant createCache( QgsVectorLayer *layer, int fieldIndex, const QVariantMap &config ) const;
};

#endif // QGSFIELDKIT_H