qsparqlquerymodel.h

/***************************************************************************/
#ifndef QSPARQLQUERYMODEL_H
#define QSPARQLQUERYMODEL_H
 
#include <qsparqlconnection.h>
#include <QSparqlQuery>
 
#include <QtCore/qabstractitemmodel.h>
 
QT_BEGIN_HEADER
 
QT_BEGIN_NAMESPACE
 
QT_MODULE(Sparql)
 
class QSparqlQueryModelPrivate;
class QSparqlError;
class QSparqlResultRow;
 
class Q_SPARQL_EXPORT QSparqlQueryModel: public QAbstractTableModel
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QSparqlQueryModel)
 
public:
    explicit QSparqlQueryModel(QObject *parent = 0);
    virtual ~QSparqlQueryModel();
 
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    QSparqlResultRow resultRow(int row) const;
    QSparqlResultRow resultRow() const;
 
    QVariant data(const QModelIndex &item, int role = Qt::DisplayRole) const;
    QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const;
    bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
                       int role = Qt::EditRole);
 
    bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
    bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex());
 
    void setQuery(const QSparqlQuery &query, QSparqlConnection &conn);
    QSparqlQuery query() const;
    virtual void clear(); // FIXME: do we need this?
 
    QSparqlError lastError() const;
 
    virtual QHash<int, QByteArray> roleNames() const;
 
Q_SIGNALS:
    void finished();
    void started();
 
protected:
    virtual void queryChange();
 
    QModelIndex indexInQuery(const QModelIndex &item) const;
    void setLastError(const QSparqlError &error);
private:
    QSparqlQueryModelPrivate* d;
};
 
QT_END_NAMESPACE
 
QT_END_HEADER
 
#endif // QSPARQLQUERYMODEL_H