Transform to CMake project.
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LLightResultSet.h
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99
LLightResultSet.h
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/*
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* File: LLightResultSet.h
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* Author: SET - nmset@yandex.com
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* License : LGPL version 2.1
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* Copyright SET, M. D. - © 2014
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*
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* Created on 28 mai 2014, 14:40
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*/
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#ifndef LLIGHTRESULTSET_H
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#define LLIGHTRESULTSET_H
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/* Added to be able to use derived classes independantly
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* If xConnection and xResultSet classes are included in some project,
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* the compiler would complain ofan undeclared wxWeakRef.
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*/
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#include <wx/wx.h>
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#include <wx/weakref.h>
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#include "LConnection.h"
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/**
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* An abstract class to scroll through data obtained after running an SQL query.
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* Does not interact with GUI controls.
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*
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* Does not output any messages.
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*
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* Does not modify data.
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*/
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class LLightResultSet : public wxTrackable
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{
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public:
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LLightResultSet();
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LLightResultSet(LConnection * newConnection);
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virtual ~LLightResultSet();
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virtual bool SetSQL(const wxString& newSql) = 0;
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/**
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* Updates the SQL statement without running it.
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* @param newSql
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*/
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void UpdateSQL(const wxString& newSql)
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{
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m_curSql = newSql;
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}
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const wxString& GetSQL() const
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{
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return m_curSql;
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}
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void SetConnection(LConnection * newConnection)
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{
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m_conn = newConnection;
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}
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const LConnection * GetConnection() const
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{
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return m_conn;
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}
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virtual bool HasData() const = 0;
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virtual bool Absolute(const unsigned int newRowIndex) = 0;
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virtual bool IsFirst() const = 0;
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virtual bool IsLast() const = 0;
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virtual bool First() = 0;
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virtual bool Next() = 0;
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virtual bool Previous() = 0;
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virtual bool Last() = 0;
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/**
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* Returns the cursor position from 0 to (GetRowCount() - 1).
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*
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* Returns -1 if there's no data.
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*/
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const int GetRow() const
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{
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return m_cursor;
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}
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virtual const unsigned int GetRowCount() const = 0;
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virtual const unsigned int GetColumnCount() const = 0;
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virtual const wxString GetColumnName(const unsigned int colIndex) const = 0;
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virtual const int GetColumnIndex(const wxString& colName) const = 0;
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virtual const wxAny GetData(const wxString& colName) const = 0;
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virtual const wxAny GetData(const unsigned int rowIdx, const unsigned int colIdx) const = 0;
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protected:
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bool m_initialised;
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wxString m_curSql;
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void * m_rs;
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wxWeakRef<LConnection> m_conn;
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int m_cursor;
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virtual bool RunSQL() = 0;
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private:
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};
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#endif /* LLIGHTRESULTSET_H */
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