File indexing completed on 2024-04-21 05:45:46

 /***************************************************************************
  *   Copyright (C) 2008 by Pino Toscano <pino@kde.org>                     *
  *                                                                         *
  *   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 _ALTERNATIVEMODELS_H_
 #define _ALTERNATIVEMODELS_H_
 
 #include <QSortFilterProxyModel>
 #include <QVariant>
 
 class Alternative;
 class AltFilesManager;
 class Item;
 class AlternativesBaseModelPrivate;
 class AlternativeItemsModelPrivate;
 class AlternativeAltModelPrivate;
 
 enum
 {
     AltItemRole = 0x00ff0001,
     AltAlternativeRole = 0x00ff0002
 };
 
 class AlternativesBaseModel : public QAbstractItemModel
 {
     Q_OBJECT
 public:
     ~AlternativesBaseModel() Q_DECL_OVERRIDE;
 
     // QAbstractItemModel interface
     bool hasChildren(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     QModelIndex parent(const QModelIndex &index) const Q_DECL_OVERRIDE;
     int rowCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
 
 protected:
     AlternativesBaseModel(AlternativesBaseModelPrivate &dd, QObject *parent);
     Q_DECLARE_PRIVATE(AlternativesBaseModel)
     AlternativesBaseModelPrivate *d_ptr;
 };
 
 
 class AlternativeItemsModel : public AlternativesBaseModel
 {
     Q_OBJECT
 
     friend class AlternativeAltModelPrivate;
 public:
     AlternativeItemsModel(const QString &appName, QObject *parent = Q_NULLPTR);
     ~AlternativeItemsModel() Q_DECL_OVERRIDE;
 
     // QAbstractItemModel interface
     int columnCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
     Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
     bool hasChildren(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     int rowCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
 
     void save();
     bool isSupported() const;
 
 private:
     Q_DECLARE_PRIVATE(AlternativeItemsModel)
 };
 
 
 class AlternativeAltModel : public AlternativesBaseModel
 {
     Q_OBJECT
 public:
     AlternativeAltModel(AlternativeItemsModel *itemModel, bool readOnly, QObject *parent = Q_NULLPTR);
     ~AlternativeAltModel() Q_DECL_OVERRIDE;
 
     // QAbstractItemModel interface
     int columnCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
     Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
     QModelIndex parent(const QModelIndex &index) const Q_DECL_OVERRIDE;
     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) Q_DECL_OVERRIDE;
 
     void setItem(Item *item);
     void addAlternative(Alternative *alt);
     void removeAlternative(Alternative *alt);
 
 private:
     Q_DECLARE_PRIVATE(AlternativeAltModel)
     Q_PRIVATE_SLOT(d_func(), void statusChanged(int))
 };
 
 
 class AlternativeItemProxyModel : public QSortFilterProxyModel
 {
     Q_OBJECT
 public:
     AlternativeItemProxyModel(QObject *parent = Q_NULLPTR);
     ~AlternativeItemProxyModel() Q_DECL_OVERRIDE;
 
     void setShowSingleAlternative(bool show);
 
 protected:
     bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const Q_DECL_OVERRIDE;
 
 private:
     bool m_showSingle;
 };
 
 Q_DECLARE_METATYPE(Alternative*)
 Q_DECLARE_METATYPE(Item*)
 
 #endif