qgsprocessingalgorithmconfigurationwidget.h

Go to the documentation of this file.

/***************************************************************************
                         qgsprocessingalgorithmconfig.h
                         --------------------------
    begin                : April 2018
    copyright            : (C) 2018 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 QGSPROCESSINGALGORITHMCONFIGURATIONWIDGET_H
#define QGSPROCESSINGALGORITHMCONFIGURATIONWIDGET_H
 
#include <QWidget>
#include <QVariantMap>
 
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsprocessingwidgetwrapper.h"
 
class QgsProcessingAlgorithm;
class QgsProcessingAlgorithmConfigurationWidget;
 
 
class GUI_EXPORT QgsProcessingAlgorithmConfigurationWidget : public QWidget, public QgsExpressionContextGenerator
{
    Q_OBJECT
 
  public:
 
    QgsProcessingAlgorithmConfigurationWidget( QWidget *parent = nullptr );
    ~QgsProcessingAlgorithmConfigurationWidget() override = default;
 
    virtual QVariantMap configuration() const = 0;
 
    virtual void setConfiguration( const QVariantMap &configuration ) = 0;
 
    virtual void setWidgetContext( const QgsProcessingParameterWidgetContext &context );
 
    const QgsProcessingParameterWidgetContext &widgetContext() const;
 
    void setAlgorithm( const QgsProcessingAlgorithm *algorithm );
 
    const QgsProcessingAlgorithm *algorithm() const { return mAlgorithm; }
 
    void registerProcessingContextGenerator( QgsProcessingContextGenerator *generator );
 
    QgsExpressionContext createExpressionContext() const override;
 
  private:
 
    QgsProcessingContextGenerator *mContextGenerator = nullptr;
    const QgsProcessingAlgorithm *mAlgorithm = nullptr;
    QgsProcessingParameterWidgetContext mWidgetContext;
};
 
 
class GUI_EXPORT QgsProcessingAlgorithmConfigurationWidgetFactory
{
  public:
    virtual ~QgsProcessingAlgorithmConfigurationWidgetFactory() = default;
 
    virtual QgsProcessingAlgorithmConfigurationWidget *create( const QgsProcessingAlgorithm *algorithm ) const = 0 SIP_FACTORY;
 
    virtual bool canCreateFor( const QgsProcessingAlgorithm *algorithm ) const = 0;
};
 
 
#endif // QGSPROCESSINGALGORITHMCONFIGURATIONWIDGET_H