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 "qgsrelationreferencewidget.h"
#include "qgseditorwidgetwrapper.h"


class GUI_EXPORT QgsRelationReferenceWidgetWrapper : public QgsEditorWidgetWrapper
{
    Q_OBJECT
  public:
    explicit QgsRelationReferenceWidgetWrapper( QgsVectorLayer* vl,
        int fieldIdx,
        QWidget* editor,
        QgsMapCanvas* canvas,
        QgsMessageBar* messageBar,
        QWidget* parent = nullptr );

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

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

  private slots:
    void foreignKeyChanged( QVariant value );

  protected:
    void updateConstraintWidgetStatus( bool constraintValid ) override;

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

#endif // QGSRELATIONREFERENCEWIDGETWRAPPER_H