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 "qgis_core.h"
#include "qgis_sip.h"
 
#include <QSortFilterProxyModel>
 
class QgsFieldModel;

class CORE_EXPORT QgsFieldProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
 
  public:

    enum Filter SIP_ENUM_BASETYPE( IntFlag )
    {
      String = 1 << 0, 
      Int = 1 << 1, 
      LongLong = 1 << 2, 
      Double = 1 << 3, 
      Numeric = Int | LongLong | Double, 
      Date = 1 << 4, 
      Time = 1 << 5, 
      HideReadOnly = 1 << 6,  
      DateTime = 1 << 7, 
      Binary = 1 << 8, 
      Boolean = 1 << 9, 
      OriginProvider = 1 << 10, 
      AllTypes = Numeric | Date | String | Time | DateTime | Binary | Boolean, 
    };
    Q_DECLARE_FLAGS( Filters, Filter )
    Q_FLAG( Filters )
 
    
    explicit QgsFieldProxyModel( QObject *parent SIP_TRANSFERTHIS = nullptr );

    QgsFieldModel *sourceFieldModel() { return mModel; }

    QgsFieldProxyModel *setFilters( QgsFieldProxyModel::Filters filters );

    const Filters &filters() const { return mFilters; }
 
  private:
    Filters mFilters;
    QgsFieldModel *mModel = nullptr;

    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