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