qgsrelationreferencewidgetwrapper.h

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/***************************************************************************
    qgsrelationreferencewidgetwrapper.h
     --------------------------------------
    Date                 : 20.4.2013
    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 QGSRELATIONREFERENCEWIDGETWRAPPER_H
#define QGSRELATIONREFERENCEWIDGETWRAPPER_H

#include "qgseditorwidgetwrapper.h"
#include "qgis_sip.h"
#include "qgis_gui.h"

class QgsRelationReferenceWidget;
class QgsMapCanvas;
class QgsMessageBar;

class GUI_EXPORT QgsRelationReferenceWidgetWrapper : public QgsEditorWidgetWrapper
{
    Q_OBJECT
  public:

    explicit QgsRelationReferenceWidgetWrapper( QgsVectorLayer *vl,
        int fieldIdx,
        QWidget *editor,
        QgsMapCanvas *canvas,
        QgsMessageBar *messageBar,
        QWidget *parent SIP_TRANSFERTHIS = nullptr );

    QWidget *createWidget( QWidget *parent ) override;
    void initWidget( QWidget *editor ) override;
    QVariant value() const override;
    bool valid() const override;
    void showIndeterminateState() override;

  public slots:
    void setValue( const QVariant &value ) override;
    void setEnabled( bool enabled ) override;

  private slots:
    void foreignKeyChanged( QVariant value );

  protected:

    void updateConstraintWidgetStatus() override;

  private:
    QgsRelationReferenceWidget *mWidget = nullptr;
    QgsMapCanvas *mCanvas = nullptr;
    QgsMessageBar *mMessageBar = nullptr;
    bool mIndeterminateState;
};

#endif // QGSRELATIONREFERENCEWIDGETWRAPPER_H