qgsrelationreferencefactory.h

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/***************************************************************************
    qgsrelationreferencefactory.h
     --------------------------------------
    Date                 : 29.5.2013
    Copyright            : (C) 2013 Matthias Kuhn
    Email                : matthias at opengis dot ch
 ***************************************************************************
 *                                                                         *
 *   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 QGSRELATIONREFERENCEFACTORY_H
#define QGSRELATIONREFERENCEFACTORY_H

#include "qgsattributeeditorcontext.h"
#include "qgseditorwidgetfactory.h"

class QgsMapCanvas;
class QgsMessageBar;

class GUI_EXPORT QgsRelationReferenceFactory : public QgsEditorWidgetFactory
{
  public:
    QgsRelationReferenceFactory( const QString& name, QgsMapCanvas* canvas, QgsMessageBar* messageBar );

    virtual QgsEditorWidgetWrapper* create( QgsVectorLayer* vl, int fieldIdx, QWidget* editor, QWidget* parent ) const override;

    QgsSearchWidgetWrapper* createSearchWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* parent ) const override;

    virtual QgsEditorConfigWidget* configWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* parent ) const override;

    virtual QgsEditorWidgetConfig readConfig( const QDomElement& configElement, QgsVectorLayer* layer, int fieldIdx ) override;

    virtual void writeConfig( const QgsEditorWidgetConfig& config, QDomElement& configElement, QDomDocument& doc, const QgsVectorLayer* layer, int fieldIdx ) override;

    virtual QString representValue( QgsVectorLayer* vl, int fieldIdx, const QgsEditorWidgetConfig& config, const QVariant& cache, const QVariant& value ) const override;

    virtual QVariant sortValue( QgsVectorLayer *vl, int fieldIdx, const QgsEditorWidgetConfig &config, const QVariant &cache, const QVariant &value ) const override;

    virtual QMap<const char*, int> supportedWidgetTypes() override;

  private:
    QgsAttributeEditorContext mEditorContext;
    QgsMapCanvas* mCanvas;
    QgsMessageBar* mMessageBar;
};

#endif // QGSRELATIONREFERENCEFACTORY_H