#ifndef LRVIRTUALDATASOURCEINTF
#define LRVIRTUALDATASOURCEINTF
#include <QObject>
namespace LimeReport {

struct CallbackInfo {
    enum DataType {
        IsEmpty,
        HasNext,
        ColumnHeaderData,
        ColumnData,
        ColumnCount,
        RowCount
    };
    enum ChangePosType {
        First,
        Next
    };
    DataType dataType;
    int index;
    QString columnName;
};

class ICallbackDatasource: public QObject {
    Q_OBJECT
signals:
    void getCallbackData(const LimeReport::CallbackInfo& info, QVariant& data);
    void changePos(const LimeReport::CallbackInfo::ChangePosType& type, bool& result);
};

} // namespace LimeReport

#endif // LRVIRTUALDATASOURCEINTF