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 /***************************************************************************
  * SPDX-FileCopyrightText: 2022 S. MANKOWSKI stephane@mankowski.fr
  * SPDX-FileCopyrightText: 2022 G. DE BURE support@mankowski.fr
  * SPDX-License-Identifier: GPL-3.0-or-later
  ***************************************************************************/
 #ifndef SKGSORTFILTERPROXYMODEL_H
 #define SKGSORTFILTERPROXYMODEL_H
 /** @file
  * This file is a proxy model with better filter mechanism.
  *
  * @author Stephane MANKOWSKI / Guillaume DE BURE
  */
 
 
 #include "skgbasegui_export.h"
 #include <qsortfilterproxymodel.h>
 
 class SKGSortFilterProxyModelPrivate;
 
 /**
  * This class is a proxy model with better filter mechanism
  */
 class SKGBASEGUI_EXPORT SKGSortFilterProxyModel : public QSortFilterProxyModel
 {
     Q_OBJECT
     /**
      * The previous sort column
      */
     Q_PROPERTY(int previousSortColumn READ getPreviousSortColumn WRITE setPreviousSortColumn USER true NOTIFY previousSortColumnModified)
 
 public:
     /**
      * Constructor
      * @param iParent parent widget
      */
     explicit SKGSortFilterProxyModel(QObject* iParent = nullptr);
 
     /**
      * Destructor
      */
     ~SKGSortFilterProxyModel() override;
 
     /**
      * @brief Set the previous sort column (-1 = none).
      *
      * @param iCol the column index
      */
     virtual void setPreviousSortColumn(int iCol);
 
     /**
      * @brief Get the previous sort column (-1 = none).
      * @return the column index
      */
     virtual int getPreviousSortColumn() const;
 
 protected:
     /**
      * To know if a row must be displayed or not
      * @param source_row source row
      * @param source_parent prent
      * @return true of false
      */
     bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const override;
 
     /**
      * To sort items
      * @param left left item
      * @param right right item
      * @return true of false
      */
     bool lessThan(const QModelIndex& left, const QModelIndex& right) const override;
 
 Q_SIGNALS:
     /**
      * This signal is launched when the property is modified
      */
     void previousSortColumnModified();
 
 private:
     bool filterAcceptsRowWords(int source_row, const QModelIndex& source_parent, const QStringList& iWords) const;
 
     bool lessThan(const QVariant& iLeftData, const QVariant& iRightData) const;
     bool moreThan(const QVariant& iLeftData, const QVariant& iRightData) const;
 
     SKGSortFilterProxyModelPrivate* const d;
 };
 
 #endif