qgssubsetstringeditorprovider.h

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/***************************************************************************
    qgssubsetstringeditorprovider.h
     --------------------------------------
    Date                 : 15-Nov-2020
    Copyright            : (C) 2020 by Even Rouault
    Email                : even.rouault at spatials.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 QGSSUBSETSTRINGEDITORPROVIDER_H
#define QGSSUBSETSTRINGEDITORPROVIDER_H
 
#include "qgis.h"
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsguiutils.h"
 
class QWidget;
class QgsVectorLayer;
class QgsSubsetStringEditorInterface;

class GUI_EXPORT QgsSubsetStringEditorProvider
{
  public:
    virtual ~QgsSubsetStringEditorProvider();

    virtual QString providerKey() const = 0;

    virtual QString name() const { return providerKey(); }

    virtual bool canHandleLayer( QgsVectorLayer *layer ) const = 0;

    virtual bool canHandleLayerStorageType( QgsVectorLayer *layer ) const
    {
      Q_UNUSED( layer );
      return false;
    }

    virtual QgsSubsetStringEditorInterface *createDialog( QgsVectorLayer *layer, QWidget *parent SIP_TRANSFERTHIS = nullptr, Qt::WindowFlags fl = QgsGuiUtils::ModalDialogFlags ) = 0 SIP_FACTORY;
};
 
#endif