okular/ui/tocmodel.h
2017-03-02 20:39:24 +01:00

75 lines
2.8 KiB
C++

/***************************************************************************
* Copyright (C) 2007 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 TOCMODEL_H
#define TOCMODEL_H
#include <qabstractitemmodel.h>
#include <QVector>
namespace Okular {
class Document;
class DocumentSynopsis;
class DocumentViewport;
}
class TOCModelPrivate;
class TOCModel : public QAbstractItemModel
{
Q_OBJECT
/**
* How many items are in this model, useful for QML
*/
Q_PROPERTY(int count READ count NOTIFY countChanged)
public:
explicit TOCModel( Okular::Document *document, QObject *parent = nullptr );
virtual ~TOCModel();
// reimplementations from QAbstractItemModel
QHash<int, QByteArray> roleNames() const override;
int columnCount( const QModelIndex &parent = QModelIndex() ) const override;
QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const override;
bool hasChildren( const QModelIndex &parent = QModelIndex() ) const override;
QVariant headerData( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const override;
QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const override;
QModelIndex parent( const QModelIndex &index ) const override;
int rowCount( const QModelIndex &parent = QModelIndex() ) const override;
void fill( const Okular::DocumentSynopsis *toc );
void clear();
void setCurrentViewport( const Okular::DocumentViewport &viewport );
bool isEmpty() const;
bool equals( const TOCModel *model ) const;
void setOldModelData( TOCModel *model, const QVector<QModelIndex> &list );
bool hasOldModelData() const;
TOCModel *clearOldModelData() const;
QString externalFileNameForIndex( const QModelIndex &index ) const;
Okular::DocumentViewport viewportForIndex( const QModelIndex &index ) const;
QString urlForIndex( const QModelIndex &index ) const;
int count() const
{
return rowCount();
}
Q_SIGNALS:
void countChanged();
private:
// storage
friend class TOCModelPrivate;
TOCModelPrivate *const d;
bool checkequality( const TOCModel *model, const QModelIndex &parentA = QModelIndex(), const QModelIndex &parentB = QModelIndex() ) const;
};
#endif