qgsdatabaseschemamodel.h

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/***************************************************************************
   qgsdatabaseschemamodel.h
    --------------------------------------
   Date                 : March 2020
   Copyright            : (C) 2020 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 QGSDATABASESCHEMAMODEL_H
#define QGSDATABASESCHEMAMODEL_H
 
#include <QAbstractItemModel>
#include <QSortFilterProxyModel>
#include <QStringList>
#include <memory>
 
#include "qgis_core.h"
#include "qgis_sip.h"
 
class QgsProviderMetadata;
class QgsAbstractDatabaseProviderConnection;
 
class CORE_EXPORT QgsDatabaseSchemaModel : public QAbstractItemModel
{
    Q_OBJECT
 
  public:
 
    enum Role
    {
      RoleEmpty = Qt::UserRole, 
    };
 
    explicit QgsDatabaseSchemaModel( const QString &provider, const QString &connection, QObject *parent SIP_TRANSFERTHIS = nullptr );
 
    explicit QgsDatabaseSchemaModel( QgsAbstractDatabaseProviderConnection *connection SIP_TRANSFER, QObject *parent SIP_TRANSFERTHIS = nullptr );
 
    // QAbstractItemModel interface
    QModelIndex parent( const QModelIndex &child ) const override;
    int rowCount( const QModelIndex &parent = QModelIndex() ) const override;
    int columnCount( const QModelIndex &parent = QModelIndex() ) const override;
    QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const override;
    QModelIndex index( int row, int column, const QModelIndex &parent ) const override;
 
    void setAllowEmptySchema( bool allowEmpty );
 
    bool allowEmptySchema() const { return mAllowEmpty; }
 
  public slots:
 
    void refresh();
 
  private:
    void init();
    std::unique_ptr< QgsAbstractDatabaseProviderConnection > mConnection;
    QStringList mSchemas;
    bool mAllowEmpty = false;
};
 
#endif // QGSDATABASESCHEMAMODEL_H