qsparqlsparqllistmodel_p.h

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**
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** Contact: Nokia Corporation (ivan.frade@nokia.com)
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** This file is part of the QtSparql module (not yet part of the Qt Toolkit).
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#ifndef QSPARQLSPARQLLISTMODEL_P_H
#define QSPARQLSPARQLLISTMODEL_P_H
 
#include <qsparqlquerymodel.h>
 
#include <QtCore/qglobal.h>
#include <QtCore/qdebug.h>
 
#ifdef QT_VERSION_5
#include <QtQml/qqml.h>
#include <QQmlParserStatus>
#define QDeclarativeParserStatus QQmlParserStatus
#else
#include <QtDeclarative/qdeclarative.h>
#include <QDeclarativeParserStatus>
#endif
 
 
QT_BEGIN_HEADER
 
QT_BEGIN_NAMESPACE
 
QT_MODULE(Sparql)
 
class SparqlConnection;
 
class Q_SPARQL_EXPORT SparqlListModel : public QSparqlQueryModel,
                                        public QDeclarativeParserStatus
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QSparqlQueryModel)
    Q_ENUMS(Status)
    Q_PROPERTY(QString query READ getQuery WRITE setQueryQML)
    Q_PROPERTY(SparqlConnection* connection READ getConnection WRITE setConnection)
    Q_PROPERTY(int count READ rowCount NOTIFY countChanged)
    Q_PROPERTY(Status status READ status NOTIFY statusChanged)
    Q_CLASSINFO("DefaultProperty", "query")
    Q_INTERFACES(QDeclarativeParserStatus)
 
public:
    SparqlListModel();
    void classBegin();
    void componentComplete();
 
    Q_INVOKABLE QString errorString() const;
    Q_INVOKABLE QVariant get(int rowNumber);
    Q_INVOKABLE void reload();
 
    enum Status { Null, Ready, Loading, Error };
 
 
Q_SIGNALS:
    void countChanged();
    void statusChanged(SparqlListModel::Status);
 
private Q_SLOTS:
    void onFinished();
    void onStarted();
    void onConnectionComplete();
 
private:
    SparqlConnection *connection;
    QString queryString;
    QString lastErrorMessage;
    Status modelStatus;
 
    void changeStatus(SparqlListModel::Status status);
    // property methods
    Status status();
    void setConnection(SparqlConnection* connection);
    SparqlConnection* getConnection();
    void setQueryQML(QString query);
    QString getQuery() const;
};
 
QT_END_NAMESPACE
 
QT_END_HEADER
 
#endif