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IDataSource extracted to own file

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This commit is contained in:
Arin Alexander
2019-01-24 22:10:15 +03:00
parent 3b94666a33
commit e5a0d2943d
7 changed files with 95 additions and 36 deletions
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47
limereport/lrdatasourceintf.h Normal file
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#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 dataByKeyField(const QString& columnName, const QString& keyColumnName, QVariant keyData) = 0;
virtual int columnCount() = 0;
virtual QString columnNameByIndex(int columnIndex) = 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