qgsdbrelationshipwidget.h

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/***************************************************************************
    qgsdbrelationshipwidget.h
    ------------------
    Date                 : November 2022
    Copyright            : (C) 2022 by Nyall Dawson
    Email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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 QGSDBRELATIONSHIPWIDGET_H
#define QGSDBRELATIONSHIPWIDGET_H
 
#include "ui_qgsdbrelationshipwidgetbase.h"
 
#include "qgis.h"
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsweakrelation.h"
 
#include <QAbstractTableModel>
#include <QDialog>
 
class QDialogButtonBox;
class QgsAbstractDatabaseProviderConnection;
class QgsDatabaseTableModel;
class QSortFilterProxyModel;

class GUI_EXPORT QgsDbRelationWidget : public QWidget, private Ui_QgsDbRelationshipWidgetBase
{
    Q_OBJECT
 
  public:
    QgsDbRelationWidget( QgsAbstractDatabaseProviderConnection *connection SIP_TRANSFER, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setRelationship( const QgsWeakRelation &relationship );

    QgsWeakRelation relationship() const;

    bool isValid() const;
 
  signals:

    void validityChanged( bool isValid );
 
  private:
    QgsAbstractDatabaseProviderConnection *mConnection = nullptr;
    QgsDatabaseTableModel *mTableModel = nullptr;
    QSortFilterProxyModel *mProxyModel = nullptr;
    QgsWeakRelation mRelation;
};
 

class GUI_EXPORT QgsDbRelationDialog : public QDialog
{
    Q_OBJECT
 
  public:
    explicit QgsDbRelationDialog( QgsAbstractDatabaseProviderConnection *connection SIP_TRANSFER, QWidget *parent SIP_TRANSFERTHIS = nullptr, Qt::WindowFlags flags = Qt::WindowFlags() );

    void setRelationship( const QgsWeakRelation &relationship );

    QgsWeakRelation relationship() const;
 
  public slots:
 
    void accept() override;
 
  private slots:
 
    void validityChanged( bool isValid );
 
  private:
    QgsDbRelationWidget *mWidget = nullptr;
    QDialogButtonBox *mButtonBox = nullptr;
};
 
#endif // QGSDBRELATIONSHIPWIDGET_H