qgsrelationreferenceconfigdlg.h

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/***************************************************************************
    qgsrelationreferenceconfigdlg.h
     --------------------------------------
    Date                 : 21.4.2013
    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 QGSRELATIONREFERENCECONFIGDLGBASE_H
#define QGSRELATIONREFERENCECONFIGDLGBASE_H
 
#include "ui_qgsrelationreferenceconfigdlgbase.h"
 
#include "qgis_gui.h"
#include "qgseditorconfigwidget.h"
 
#include <QListWidget>
 
SIP_NO_FILE

class GUI_EXPORT QgsRelationReferenceConfigDlg : public QgsEditorConfigWidget,
                                                 private Ui::QgsRelReferenceConfigDlgBase
{
    Q_OBJECT
 
  public:
    explicit QgsRelationReferenceConfigDlg( QgsVectorLayer *vl, int fieldIdx, QWidget *parent );
    QVariantMap config() override;
    void setConfig( const QVariantMap &config ) override;
 
  private:
    void loadFields();
    void addFilterField( const QString &field );
    void addFilterField( QListWidgetItem *item );
    int indexFromListWidgetItem( QListWidgetItem *item );
 
    QgsVectorLayer *mReferencedLayer = nullptr;
    bool mAllowNullWasSetByConfig = false;
 
  private slots:
    void relationChanged( int idx );
    void mAddFilterButton_clicked();
    void mRemoveFilterButton_clicked();

    void mEditExpression_clicked();
 
    friend class TestQgsRelationReferenceWidget;
};
 
#endif // QGSRELATIONREFERENCECONFIGDLGBASE_H