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wxWidgets/demos/dbbrowse/browsedb.cpp
Mart Raudsepp 8907154c1a Nuke #pragma implementation/interface's 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35650 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-09-23 12:56:45 +00:00

498 lines
21 KiB
C++
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//----------------------------------------------------------------------------------------
// Name: BrowserDB.h,cpp
// Purpose: a wxDB class
// Author: Mark Johnson
// Modified by:
// Created: 19991127.mj10777
// Copyright: (c) Mark Johnson
// Licence: wxWindows license
// RCS-ID: $Id$
//----------------------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
//----------------------------------------------------------------------------------------
#ifdef __BORLANDC__
#pragma hdrstop
#endif
//----------------------------------------------------------------------------------------
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
//----------------------------------------------------------------------------------------
#include "std.h"
//----------------------------------------------------------------------------------------
// Global structure for holding ODBC connection information
wxDbConnectInf DbConnectInf;
#if !wxUSE_ODBC
#error Demo cannot be compiled unless setup.h has wxUSE_ODBC set to 1
#endif
//----------------------------------------------------------------------------------------
extern WXDLLEXPORT_DATA(wxDbList*) PtrBegDbList; /* from db.cpp, used in getting back error results from db connections */
//----------------------------------------------------------------------------------------
wxChar *GetExtendedDBErrorMsg(wxChar *ErrFile, int ErrLine)
{
static wxString msg;
wxString tStr;
if (ErrFile || ErrLine)
{
msg += _T("File: ");
msg += ErrFile;
msg += _T(" Line: ");
tStr.Printf(_T("%d"),ErrLine);
msg += tStr.GetData();
// msg += _T("\n");
}
msg.Append (_T("\nODBC errors:\n"));
// msg += _T("\n");
/* Scan through each database connection displaying
* any ODBC errors that have occurred. */
wxDbList *pDbList;
for (pDbList = PtrBegDbList; pDbList; pDbList = pDbList->PtrNext)
{
// Skip over any free connections
if (pDbList->Free)
continue;
// Display errors for this connection
for (int i = 0; i < DB_MAX_ERROR_HISTORY; i++)
{
if (pDbList->PtrDb->errorList[i])
{
msg.Append(pDbList->PtrDb->errorList[i]);
if (wxStrcmp(pDbList->PtrDb->errorList[i],wxEmptyString) != 0)
msg.Append(_T("\n"));
}
}
}
msg += _T("\n");
return (wxChar*) (const wxChar*) msg;
} // GetExtendedDBErrorMsg
//----------------------------------------------------------------------------------------
BrowserDB::BrowserDB()
{
PointerToNULL(0);
ODBCSource = wxEmptyString; // ODBC data source name (created with ODBC Administrator under Win95/NT)
UserName = wxEmptyString; // database username - must already exist in the data source
Password = wxEmptyString; // password database username
OnFillSqlTyp();
OnFilldbTyp();
} // BrowserDB Constructor
//----------------------------------------------------------------------------------------
BrowserDB::~BrowserDB()
{
PointerToNULL(1); // Clean up Tables and Databases (Commit, Close and delete)
} // BrowserDB destructor
//----------------------------------------------------------------------------------------
bool BrowserDB::Initialize(int Quiet)
{
if (!OnStartDB(Quiet))
{
wxLogMessage(_("\n\n-E-> BrowserDB::OnStartDB(%s) : Failed ! "),ODBCSource.c_str());
return false;
}
return true;
} // BrowserDB:Initialize
//----------------------------------------------------------------------------------------
bool BrowserDB::OnStartDB(int Quiet)
{
wxStopWatch sw;
if (!Quiet)
wxLogMessage(_("\n-I-> BrowserDB::OnStartDB(%s) : Begin "),ODBCSource.c_str());
if (db_BrowserDB != NULL)
{
if (!Quiet)
wxLogMessage(_("\n-I-> BrowserDB::OnStartDB() : DB is already open."));
return true;
}
DbConnectInf.AllocHenv();
//---------------------------------------------------------------------------------------
// Connect to datasource
//---------------------------------------------------------------------------------------
DlgUser *p_Dlg;
p_Dlg = new DlgUser(pDoc->p_MainFrame,pDoc,wxEmptyString);
p_Dlg->s_DSN = ODBCSource;
p_Dlg->s_User = UserName;
p_Dlg->s_Password = Password;
p_Dlg->OnInit();
p_Dlg->Fit();
bool OK = false;
if (p_Dlg->ShowModal() == wxID_OK)
{
(pDoc->p_DSN+i_Which)->Usr = p_Dlg->s_User;
(pDoc->p_DSN+i_Which)->Pas = p_Dlg->s_Password;
UserName = p_Dlg->s_User;
Password = p_Dlg->s_Password;
OK = true;
}
delete p_Dlg;
if (OK)
{
//--------------------------------------------------------------------------------------
DbConnectInf.SetDsn(ODBCSource); // ODBC data source name (created with ODBC Administrator under Win95/NT)
DbConnectInf.SetUserID(UserName); // database username - must already exist in the data source
DbConnectInf.SetPassword(Password); // password database username
db_BrowserDB = wxDbGetConnection(&DbConnectInf);
// wxLogMessage(">>>%s<<<>>>%s<<<",UserName.c_str(),Password.c_str());
if (db_BrowserDB == NULL)
{
DbConnectInf.SetDsn(wxEmptyString);
DbConnectInf.SetUserID(wxEmptyString);
DbConnectInf.SetPassword(wxEmptyString);
if (!Quiet)
{
wxLogMessage(_("\n-E-> BrowserDB::OnConnectDataSource() DB CONNECTION ERROR : Unable to connect to the data source.\n\nCheck the name of your data source to verify it has been correctly entered/spelled.\n\nWith some databases, the user name and password must\nbe created with full rights to the table prior to making a connection\n(using tools provided by the database manufacturer)"));
wxLogMessage(_("-I-> BrowserDB::OnStartDB(%s) : End - Time needed : %ld ms"),ODBCSource.c_str(),sw.Time());
}
DbConnectInf.FreeHenv();
return false;
}
//--------------------------------------------------------------------------------------
if (!Quiet)
{
Temp1 = db_BrowserDB->GetDatabaseName();
Temp2 = db_BrowserDB->GetDataSource();
wxLogMessage(_("-I-> BrowserDB::OnGetDataSourceODBC() - DatabaseName(%s) ; DataSource(%s)"),Temp1.c_str(),Temp2.c_str());
wxLogMessage(_("-I-> BrowserDB::OnStartDB(%s) : End - Time needed : %ld ms"),ODBCSource.c_str(),sw.Time());
}
return true;
}
else
{
DbConnectInf.FreeHenv();
return false;
}
}
//----------------------------------------------------------------------------------------
bool BrowserDB::OnCloseDB(int Quiet)
{
if (!Quiet)
wxLogMessage(_("-I-> BrowserDB::OnCloseDB() : Begin "));
if (db_BrowserDB)
{
// db_BrowserDB->Close();
wxDbFreeConnection(db_BrowserDB);
DbConnectInf.FreeHenv();
db_BrowserDB = NULL;
}
if (!Quiet)
wxLogMessage(_("\n-I-> BrowserDB::OnCloseDB() : End "));
return true;
}
//----------------------------------------------------------------------------------------
bool BrowserDB::OnGetNext(int Cols,int WXUNUSED(Quiet))
{
SDWORD cb;
int i_dbDataType;
wxChar s_temp[1024+1];
long l_temp;
double f_temp;
int AnzError=0;
TIMESTAMP_STRUCT t_temp;
wxString Temp0;
//-----------------------------
if (!db_BrowserDB->GetNext())
{
#ifdef __WXDEBUG__
Temp0.Printf(_("\n-E-> BrowserDB::OnGetNext - ODBC-Error with GetNext \n-E-> "));
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
wxLogMessage(Temp0);
wxMessageBox(Temp0);
#endif
return false;
}
else
{
int i;
for (i=0;i<Cols;i++)
{
wxStrcpy((cl_BrowserDB+i)->tableName,_T("-E->"));
i_dbDataType = (cl_BrowserDB+i)->pColFor->i_dbDataType;
if (i_dbDataType == 0) // Filter unsupported dbDataTypes
{
if (((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_VARCHAR) ||
((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_LONGVARCHAR))
i_dbDataType = DB_DATA_TYPE_VARCHAR;
if ((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_C_DATE)
i_dbDataType = DB_DATA_TYPE_DATE;
if ((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_C_BIT)
i_dbDataType = DB_DATA_TYPE_INTEGER;
if ((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_NUMERIC)
i_dbDataType = DB_DATA_TYPE_VARCHAR;
if ((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_REAL)
i_dbDataType = DB_DATA_TYPE_FLOAT;
}
if ((i_dbDataType == DB_DATA_TYPE_INTEGER) &&
((cl_BrowserDB+i)->pColFor->i_sqlDataType == SQL_C_DOUBLE))
{ // DBASE Numeric
i_dbDataType = DB_DATA_TYPE_FLOAT;
}
switch(i_dbDataType)
{
case DB_DATA_TYPE_VARCHAR:
wxStrcpy(s_temp,wxEmptyString);
if (!db_BrowserDB->GetData((UWORD)(i+1),(SWORD)((cl_BrowserDB+i)->pColFor->i_dbDataType),&s_temp[0],sizeof(s_temp), &cb))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnGetNext - ODBC-Error with GetNext of >%s<.\n-E-> "),(cl_BrowserDB+i)->tableName);
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
wxLogMessage(Temp0);
}
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,s_temp);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
break;
case DB_DATA_TYPE_INTEGER:
l_temp = 0;
if (!db_BrowserDB->GetData((UWORD)(i+1),(SWORD)((cl_BrowserDB+i)->pColFor->i_sqlDataType),&l_temp,sizeof(l_temp), &cb))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnGetData - ODBC-Error with GetNext \n-E-> "));
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
}
else
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,l_temp);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
break;
case DB_DATA_TYPE_FLOAT:
f_temp = 0;
if (!db_BrowserDB->GetData((UWORD)(i+1),(SWORD)((cl_BrowserDB+i)->pColFor->i_sqlDataType),&f_temp,sizeof(f_temp), &cb))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnGetData - ODBC-Error with GetNext \n-E-> "));
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
wxMessageBox(Temp0);
}
else
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,f_temp);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
break;
case DB_DATA_TYPE_DATE:
t_temp.day = 0;
t_temp.month = 0;
t_temp.year = 0;
t_temp.hour = 0;
t_temp.minute = 0;
t_temp.second = 0;
t_temp.fraction = 0;
if (!db_BrowserDB->GetData((UWORD)(i+1),(SWORD)((cl_BrowserDB+i)->pColFor->i_sqlDataType),&t_temp,sizeof(t_temp), &cb))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnGetData - ODBC-Error with GetNext \n-E-> "));
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
}
else
{
// i_Nation = 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
if (((cl_BrowserDB+i)->pColFor->i_Nation == 0) || // TS YYYY-MM-DD
((cl_BrowserDB+i)->pColFor->i_Nation == 3)) // IT YYYY-MM-DD
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,t_temp.year,t_temp.month,t_temp.day,
t_temp.hour, t_temp.minute, t_temp.second, t_temp.fraction);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
if (((cl_BrowserDB+i)->pColFor->i_Nation == 1) || // EU DD.MM.YYYY
((cl_BrowserDB+i)->pColFor->i_Nation == 2)) // UK DD/MM/YYYY
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,t_temp.day,t_temp.month,t_temp.year,
t_temp.hour, t_temp.minute, t_temp.second, t_temp.fraction);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
if ((cl_BrowserDB+i)->pColFor->i_Nation == 3) // US MM/DD/YYYY
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,t_temp.month,t_temp.day,t_temp.year,
t_temp.hour, t_temp.minute, t_temp.second, t_temp.fraction);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
}
break;
default:
AnzError++;
if (AnzError <= 100)
{
Temp0 = (cl_BrowserDB+i)->colName;
wxLogMessage(_("-E-> BrowserDB::OnGetNext - DB_DATA_TYPE_?? (%d) in Col(%s)"),(cl_BrowserDB+i)->pColFor->i_dbDataType,Temp0.c_str());
}
else
return true;
Temp0.Printf(_("-E-> unknown Format(%d) - sql(%d)"),(cl_BrowserDB+i)->pColFor->i_dbDataType,(cl_BrowserDB+i)->pColFor->i_sqlDataType);
wxStrcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
break;
}; // switch
} // for
} // else
return true;
}
//----------------------------------------------------------------------------------------
bool BrowserDB::OnSelect(wxString tb_Name, int Quiet)
{
wxStopWatch sw;
wxString SQLStmt;
i_Records = 0;
//---------------------------------------------------------------------------------------
wxString tablename = db_BrowserDB->SQLTableName(tb_Name.c_str());
SQLStmt.sprintf(_T("SELECT * FROM %s"),tablename.c_str());
if (!db_BrowserDB->ExecSql((wxChar *)(SQLStmt.GetData())))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnSelect - ODBC-Error with ExecSql of >%s<.\n-E-> "),tb_Name.c_str());
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
wxLogMessage(Temp0);
wxMessageBox(_T("-E-> BrowserDB::OnSelect - GetData()"));
return false;
}
//---------------------------------------------------------------------------------------
while (db_BrowserDB->GetNext())
{
i_Records++;
}
//---------------------------------------------------------------------------------------
if (!db_BrowserDB->ExecSql((wxChar *)(SQLStmt.GetData())))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnSelect - ODBC-Error with ExecSql of >%s<.\n-E-> "),tb_Name.c_str());
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
wxLogMessage(Temp0);
return false;
}
//---------------------------------------------------------------------------------------
// SetColDefs ( 0, "NAME", DB_DATA_TYPE_VARCHAR, Name, SQL_C_WXCHAR, sizeof(Name), true, true); // Primary index
//---------------------------------------------------------------------------------------
if (!Quiet)
{
wxLogMessage(_("\n-I-> BrowserDB::OnSelect(%s) Records(%d): End - Time needed : %ld ms"),tb_Name.c_str(),i_Records,sw.Time());
}
return true;
}
//----------------------------------------------------------------------------------------
bool BrowserDB::OnExecSql(wxString SQLStmt, int Quiet)
{
//---------------------------------------------------------------------------------------
if (!db_BrowserDB->ExecSql((wxChar *)(SQLStmt.GetData())))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnExecSQL - ODBC-Error with ExecSql of >%s<.\n-E-> "),SQLStmt.c_str());
Temp0 += GetExtendedDBErrorMsg(__TFILE__,__LINE__);
if (!Quiet)
wxLogMessage(Temp0);
else
wxMessageBox(_T("-E-> BrowserDB::OnExecSql - ExecSql()"));
return false;
}
if (!Quiet)
{
// wxLogMessage(_("\n-I-> BrowserDB::OnExecSql(%s) - End - Time needed : %ld ms"),SQLStmt.c_str(),sw.Time());
}
return true;
}
//----------------------------------------------------------------------------------------
wxDbInf* BrowserDB::OnGetCatalog(int WXUNUSED(Quiet))
{
wxChar UName[255];
wxStrcpy(UName,UserName);
ct_BrowserDB = db_BrowserDB->GetCatalog(UName);
return ct_BrowserDB;
}
//----------------------------------------------------------------------------------------
wxDbColInf* BrowserDB::OnGetColumns(wxChar *tableName, UWORD numCols, int WXUNUSED(Quiet))
{
wxChar UName[255];
int i;
wxStrcpy(UName,UserName);
cl_BrowserDB = db_BrowserDB->GetColumns(tableName,&numCols,UName);
// cl_BrowserDB->pColFor = new wxDbColFor[numCols];
for (i=0;i<numCols;i++)
{
// (cl_BrowserDB->pColFor+i)->Format(1,(cl_BrowserDB+i)->dbDataType,(cl_BrowserDB+i)->sqlDataType,
// (cl_BrowserDB+i)->columnSize, (cl_BrowserDB+i)->decimalDigits);
(cl_BrowserDB+i)->pColFor = new wxDbColFor;
(cl_BrowserDB+i)->pColFor->Format(1,
(cl_BrowserDB+i)->dbDataType,
(cl_BrowserDB+i)->sqlDataType,
(cl_BrowserDB+i)->columnLength,
(cl_BrowserDB+i)->decimalDigits);
}
return cl_BrowserDB;
}
//----------------------------------------------------------------------------------------
void BrowserDB::PointerToNULL(int Art)
{
if (Art == 1) // L<>schen
{
if (cl_BrowserDB != NULL)
{ // Destroy the memory
delete [] cl_BrowserDB;
}
if (ct_BrowserDB != NULL)
{ // Destroy the memory
delete [] ct_BrowserDB;
}
if (db_BrowserDB != NULL)
{
db_BrowserDB->CommitTrans();
db_BrowserDB->Close();
wxDbCloseConnections();
delete db_BrowserDB;
}
}
cl_BrowserDB = NULL;
ct_BrowserDB = NULL;
db_BrowserDB = NULL;
p_LogWindow = NULL;
}
//----------------------------------------------------------------------------------------
void BrowserDB::OnFillSqlTyp()
{
i_SqlTyp[1] = SQL_C_BINARY; s_SqlTyp[1] = _T("SQL_C_BINARY");
i_SqlTyp[2] = SQL_C_BIT; s_SqlTyp[2] = _T("SQL_C_BIT");
i_SqlTyp[3] = SQL_C_BOOKMARK; s_SqlTyp[3] = _T("SQL_C_BOOKMARK");
i_SqlTyp[4] = SQL_C_WXCHAR; s_SqlTyp[4] = _T("SQL_C_WXCHAR");
i_SqlTyp[5] = SQL_C_DATE; s_SqlTyp[5] = _T("SQL_C_DATE");
i_SqlTyp[6] = SQL_C_DEFAULT; s_SqlTyp[6] = _T("SQL_C_DEFAULT");
i_SqlTyp[7] = SQL_C_DOUBLE; s_SqlTyp[7] = _T("SQL_C_DOUBLE");
i_SqlTyp[8] = SQL_C_FLOAT; s_SqlTyp[8] = _T("SQL_C_FLOAT");
i_SqlTyp[9] = SQL_C_LONG; s_SqlTyp[9] = _T("SQL_C_LONG");
i_SqlTyp[10] = SQL_C_SHORT; s_SqlTyp[10] = _T("SQL_C_SHORT");
i_SqlTyp[11] = SQL_C_SLONG; s_SqlTyp[11] = _T("SQL_C_SLONG");
i_SqlTyp[12] = SQL_C_SSHORT; s_SqlTyp[12] = _T("SQL_C_SSHORT");
i_SqlTyp[13] = SQL_C_STINYINT; s_SqlTyp[13] = _T("SQL_C_STINYINT");
i_SqlTyp[14] = SQL_C_TIME; s_SqlTyp[14] = _T("SQL_C_TIME");
i_SqlTyp[15] = SQL_C_TIMESTAMP; s_SqlTyp[15] = _T("SQL_C_TIMESTAMP");
i_SqlTyp[16] = SQL_C_TINYINT; s_SqlTyp[16] = _T("SQL_C_TINYINT");
i_SqlTyp[17] = SQL_C_ULONG; s_SqlTyp[17] = _T("SQL_C_ULONG");
i_SqlTyp[18] = SQL_C_USHORT; s_SqlTyp[18] = _T("SQL_C_USHORT");
i_SqlTyp[19] = SQL_C_UTINYINT; s_SqlTyp[19] = _T("SQL_C_UTINYINT");
i_SqlTyp[20] = SQL_VARCHAR; s_SqlTyp[20] = _T("SQL_VARCHAR");
i_SqlTyp[21] = SQL_NUMERIC; s_SqlTyp[21] = _T("SQL_NUMERIC");
i_SqlTyp[22] = SQL_LONGVARCHAR; s_SqlTyp[22] = _T("SQL_LONGVARCHAR");
i_SqlTyp[23] = SQL_REAL; s_SqlTyp[23] = _T("SQL_REAL");
i_SqlTyp[0] = 23; s_SqlTyp[0] = wxEmptyString;
}
//----------------------------------------------------------------------------------------
void BrowserDB::OnFilldbTyp()
{
i_dbTyp[1] = DB_DATA_TYPE_VARCHAR; s_dbTyp[1] = _T("DB_DATA_TYPE_VARCHAR");
i_dbTyp[2] = DB_DATA_TYPE_INTEGER; s_dbTyp[2] = _T("DB_DATA_TYPE_INTEGER");
i_dbTyp[3] = DB_DATA_TYPE_FLOAT; s_dbTyp[3] = _T("DB_DATA_TYPE_FLOAT");
i_dbTyp[4] = DB_DATA_TYPE_DATE; s_dbTyp[4] = _T("DB_DATA_TYPE_DATE");
i_dbTyp[0] = 4; s_dbTyp[0] = wxEmptyString;
}
//----------------------------------------------------------------------------------------
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