/usr/include/qgis/qgsrelationmanager.h is in libqgis-dev 2.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsrelationmanager.h
--------------------------------------
Date : 1.3.2013
Copyright : (C) 2013 Matthias Kuhn
Email : matthias dot kuhn at gmx dot ch
***************************************************************************
* *
* 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 QGSRELATIONMANAGER_H
#define QGSRELATIONMANAGER_H
#include <QObject>
#include <QPair>
#include <QDomNode>
#include <QDomDocument>
#include "qgsrelation.h"
class QgsProject;
class QgsVectorLayer;
/**
* This class manages a set of relations between layers.
*/
class CORE_EXPORT QgsRelationManager : public QObject
{
Q_OBJECT
public:
explicit QgsRelationManager( QgsProject *project );
void setRelations( const QList<QgsRelation>& relations );
const QMap<QString, QgsRelation>& relations() const;
void addRelation( const QgsRelation& relation );
void removeRelation( const QString& name );
void removeRelation( const QgsRelation& relation );
QgsRelation relation( const QString& id ) const;
void clear();
QList<QgsRelation> referencingRelations( QgsVectorLayer *layer = 0, int fieldIdx = -2 ) const;
QList<QgsRelation> referencedRelations( QgsVectorLayer *layer = 0 ) const;
signals:
void relationsLoaded();
private slots:
void readProject( const QDomDocument &doc );
void writeProject( QDomDocument &doc );
void layersRemoved( const QStringList& layers );
private:
/** The references */
QMap<QString, QgsRelation> mRelations;
QgsProject* mProject;
};
#endif // QGSRELATIONMANAGER_H
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