qgsfieldproxymodel.h

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/***************************************************************************
   qgsfieldproxymodel.h
    --------------------------------------
   Date                 : 01.04.2014
   Copyright            : (C) 2014 Denis Rouzaud
   Email                : [email protected]
***************************************************************************
*                                                                         *
*   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 QGSFIELDPROXYMODEL_H
#define QGSFIELDPROXYMODEL_H

#include <QSortFilterProxyModel>

#include "qgsfieldmodel.h"

class GUI_EXPORT QgsFieldProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
    Q_FLAGS( Filters )

  public:

    enum Filter
    {
      String = 1, 
      Int = 2, 
      LongLong = 4, 
      Double = 8, 
      Numeric = Int | LongLong | Double, 
      Date = 16, 
      Time = 32, 
      HideReadOnly = 64,  
      All = Numeric | Date | String | Time,  //TODO QGIS 3 - rename to AllTypes
    };
    Q_DECLARE_FLAGS( Filters, Filter )

    
    explicit QgsFieldProxyModel( QObject *parent = nullptr );

    QgsFieldModel* sourceFieldModel() { return mModel; }

    QgsFieldProxyModel* setFilters( const QgsFieldProxyModel::Filters& filters );

    const Filters& filters() const { return mFilters; }

  private:
    Filters mFilters;
    QgsFieldModel* mModel;

    bool isReadOnly( const QModelIndex& index ) const;

    // QSortFilterProxyModel interface
  public:
    bool filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const override;
    bool lessThan( const QModelIndex &left, const QModelIndex &right ) const override;
};

Q_DECLARE_OPERATORS_FOR_FLAGS( QgsFieldProxyModel::Filters )

#endif // QGSFIELDPROXYMODEL_H