LimeReport/include/lrdatasourceintf.h
2024-03-31 15:20:09 +03:00

52 lines
1.9 KiB
C++

#ifndef LRDATASOURCEINTF_H
#define LRDATASOURCEINTF_H
#include <QSharedPointer>
#include <QAbstractItemModel>
namespace LimeReport {
class IDataSource {
public:
enum DatasourceMode{DESIGN_MODE,RENDER_MODE};
typedef QSharedPointer<IDataSource> Ptr;
virtual ~IDataSource() {}
virtual bool next() = 0;
virtual bool hasNext() = 0;
virtual bool prior() = 0;
virtual void first() = 0;
virtual void last() = 0;
virtual bool bof() = 0;
virtual bool eof() = 0;
virtual QVariant data(const QString& columnName) = 0;
virtual QVariant dataByRowIndex(const QString& columnName, int rowIndex) = 0;
virtual QVariant dataByRowIndex(const QString &columnName, int rowIndex, int roleName) = 0;
virtual QVariant dataByRowIndex(const QString &columnName, int rowIndex, const QString &roleName) = 0;
virtual QVariant dataByKeyField(const QString& columnName, const QString& keyColumnName, QVariant keyData) = 0;
virtual int columnCount() = 0;
virtual QString columnNameByIndex(int columnIndex) = 0;
virtual QVariant headerData(const QString &columnName, const QString &roleName) = 0;
virtual int columnIndexByName(QString name) = 0;
virtual bool isInvalid() const = 0;
virtual QString lastError() = 0;
virtual QAbstractItemModel* model() = 0;
};
class IDataSourceHolder {
public:
virtual ~IDataSourceHolder(){}
virtual IDataSource* dataSource(IDataSource::DatasourceMode mode = IDataSource::RENDER_MODE) = 0;
virtual QString lastError() const = 0;
virtual bool isInvalid() const = 0;
virtual bool isOwned() const = 0;
virtual bool isEditable() const = 0;
virtual bool isRemovable() const = 0;
virtual void invalidate(IDataSource::DatasourceMode mode, bool dbWillBeClosed = false) = 0;
virtual void update() = 0;
virtual void clearErrors() = 0;
};
} // namespace LimeReport
#endif // LRDATASOURCEINTF_H