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wxWidgets/demos/dbbrowse/browsedb.cpp

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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: $Id$
//----------------------------------------------------------------------------------------
//-- 1)
//----------------------------------------------------------------------------------------
//-- all #ifdefs that the whole Project needs. -------------------------------------------
//----------------------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation
#pragma interface
#endif
//----------------------------------------------------------------------------------------
// 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
// - darf nur einmal im Projekte definiert werden ?? Extra Databasse Klasse ?
wxDbConnectInf DbConnectInf; // Für DBase
#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 */
//----------------------------------------------------------------------------------------
char *GetExtendedDBErrorMsg(char *ErrFile, int ErrLine)
{
static wxString msg;
wxString tStr;
if (ErrFile || ErrLine)
{
msg += "File: ";
msg += ErrFile;
msg += " Line: ";
tStr.Printf("%d",ErrLine);
msg += tStr.GetData();
// msg += "\n";
}
msg.Append ("\nODBC errors:\n");
// msg += "\n";
/* Scan through each database connection displaying
* any ODBC errors that have occured. */
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 (strcmp(pDbList->PtrDb->errorList[i],"") != 0)
msg.Append("\n");
}
}
}
msg += "\n";
return (char*) (const char*) msg;
} // GetExtendedDBErrorMsg
//----------------------------------------------------------------------------------------
BrowserDB::BrowserDB()
{
PointerToNULL(0);
ODBCSource = ""; // ODBC data source name (created with ODBC Administrator under Win95/NT)
UserName = ""; // database username - must already exist in the data source
Password = ""; // 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,"");
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(wxT(""));
DbConnectInf.SetUserID(wxT(""));
DbConnectInf.SetPassword(wxT(""));
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 Quiet)
{
SDWORD cb;
int i_dbDataType;
int i=0;
char s_temp[1024+1];
long l_temp;
double f_temp;
int AnzError=0;
TIMESTAMP_STRUCT t_temp;
wxString Temp0;
//-----------------------------
if (!db_BrowserDB->GetNext())
{
return FALSE;
Temp0.Printf(_("\n-E-> BrowserDB::OnGetNext - ODBC-Error with GetNext \n-E-> "));
Temp0 += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxLogMessage(Temp0);
wxMessageBox(Temp0);
}
else
{
for (i=0;i<Cols;i++)
{
strcpy((cl_BrowserDB+i)->tableName,"-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:
strcpy(s_temp,"");
if (!db_BrowserDB->GetData(i+1,(cl_BrowserDB+i)->pColFor->i_dbDataType,&s_temp,sizeof(s_temp), &cb))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnGetNext - ODBC-Error with GetNext of >%s<.\n-E-> "),(cl_BrowserDB+i)->tableName);
Temp0 += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxLogMessage(Temp0);
}
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,s_temp);
strcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
break;
case DB_DATA_TYPE_INTEGER:
l_temp = 0;
if (!db_BrowserDB->GetData(i+1,(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(__FILE__,__LINE__);
}
else
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,l_temp);
strcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
break;
case DB_DATA_TYPE_FLOAT:
f_temp = 0;
if (!db_BrowserDB->GetData(i+1,(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(__FILE__,__LINE__);
wxMessageBox(Temp0);
}
else
{
Temp0.Printf((cl_BrowserDB+i)->pColFor->s_Field,f_temp);
strcpy((cl_BrowserDB+i)->tableName,Temp0.c_str());
}
break;
case DB_DATA_TYPE_DATE:
t_temp.day = t_temp.month = t_temp.year = t_temp.hour = t_temp.minute = t_temp.second = t_temp.fraction = 0;
if (!db_BrowserDB->GetData(i+1,(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(__FILE__,__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);
strcpy((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);
strcpy((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);
strcpy((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);
strcpy((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;
//---------------------------------------------------------------------------------------
SQLStmt.sprintf("SELECT * FROM %s",db_BrowserDB->SQLTableName(tb_Name.c_str()));
if (!db_BrowserDB->ExecSql((char *)(SQLStmt.GetData())))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnSelect - ODBC-Error with ExecSql of >%s<.\n-E-> "),tb_Name.c_str());
Temp0 += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxLogMessage(Temp0);
wxMessageBox("-E-> BrowserDB::OnSelect - GetData()");
return FALSE;
}
//---------------------------------------------------------------------------------------
while (db_BrowserDB->GetNext())
{
i_Records++;
}
//---------------------------------------------------------------------------------------
if (!db_BrowserDB->ExecSql((char *)(SQLStmt.GetData())))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnSelect - ODBC-Error with ExecSql of >%s<.\n-E-> "),tb_Name.c_str());
Temp0 += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxLogMessage(Temp0);
return FALSE;
}
//---------------------------------------------------------------------------------------
// SetColDefs ( 0,"NAME", DB_DATA_TYPE_VARCHAR, Name, SQL_C_CHAR, 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((char *)(SQLStmt.GetData())))
{
Temp0.Printf(_("\n-E-> BrowserDB::OnExecSQL - ODBC-Error with ExecSql of >%s<.\n-E-> "),SQLStmt.c_str());
Temp0 += GetExtendedDBErrorMsg(__FILE__,__LINE__);
if (!Quiet)
wxLogMessage(Temp0);
else
wxMessageBox("-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 Quiet)
{
char UName[255];
strcpy(UName,UserName);
ct_BrowserDB = db_BrowserDB->GetCatalog(UName);
return ct_BrowserDB;
}
//----------------------------------------------------------------------------------------
wxDbColInf* BrowserDB::OnGetColumns(char *tableName, UWORD numCols, int Quiet)
{
char UName[255];
int i;
strcpy(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)->columnSize,
(cl_BrowserDB+i)->decimalDigits);
}
return cl_BrowserDB;
}
//----------------------------------------------------------------------------------------
void BrowserDB::PointerToNULL(int Art)
{
if (Art == 1) // Löschen
{
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] = "SQL_C_BINARY";
i_SqlTyp[2] = SQL_C_BIT; s_SqlTyp[2] = "SQL_C_BIT";
i_SqlTyp[3] = SQL_C_BOOKMARK; s_SqlTyp[3] = "SQL_C_BOOKMARK";
i_SqlTyp[4] = SQL_C_CHAR; s_SqlTyp[4] = "SQL_C_CHAR";
i_SqlTyp[5] = SQL_C_DATE; s_SqlTyp[5] = "SQL_C_DATE";
i_SqlTyp[6] = SQL_C_DEFAULT; s_SqlTyp[6] = "SQL_C_DEFAULT";
i_SqlTyp[7] = SQL_C_DOUBLE; s_SqlTyp[7] = "SQL_C_DOUBLE";
i_SqlTyp[8] = SQL_C_FLOAT; s_SqlTyp[8] = "SQL_C_FLOAT";
i_SqlTyp[9] = SQL_C_LONG; s_SqlTyp[9] = "SQL_C_LONG";
i_SqlTyp[10] = SQL_C_SHORT; s_SqlTyp[10] = "SQL_C_SHORT";
i_SqlTyp[11] = SQL_C_SLONG; s_SqlTyp[11] = "SQL_C_SLONG";
i_SqlTyp[12] = SQL_C_SSHORT; s_SqlTyp[12] = "SQL_C_SSHORT";
i_SqlTyp[13] = SQL_C_STINYINT; s_SqlTyp[13] = "SQL_C_STINYINT";
i_SqlTyp[14] = SQL_C_TIME; s_SqlTyp[14] = "SQL_C_TIME";
i_SqlTyp[15] = SQL_C_TIMESTAMP; s_SqlTyp[15] = "SQL_C_TIMESTAMP";
i_SqlTyp[16] = SQL_C_TINYINT; s_SqlTyp[16] = "SQL_C_TINYINT";
i_SqlTyp[17] = SQL_C_ULONG; s_SqlTyp[17] = "SQL_C_ULONG";
i_SqlTyp[18] = SQL_C_USHORT; s_SqlTyp[18] = "SQL_C_USHORT";
i_SqlTyp[19] = SQL_C_UTINYINT; s_SqlTyp[19] = "SQL_C_UTINYINT";
i_SqlTyp[20] = SQL_VARCHAR; s_SqlTyp[20] = "SQL_VARCHAR";
i_SqlTyp[21] = SQL_NUMERIC; s_SqlTyp[21] = "SQL_NUMERIC";
i_SqlTyp[22] = SQL_LONGVARCHAR; s_SqlTyp[22] = "SQL_LONGVARCHAR";
i_SqlTyp[23] = SQL_REAL; s_SqlTyp[23] = "SQL_REAL";
i_SqlTyp[0] = 23; s_SqlTyp[0] = "";
}
//----------------------------------------------------------------------------------------
void BrowserDB::OnFilldbTyp()
{
i_dbTyp[1] = DB_DATA_TYPE_VARCHAR; s_dbTyp[1] = "DB_DATA_TYPE_VARCHAR";
i_dbTyp[2] = DB_DATA_TYPE_INTEGER; s_dbTyp[2] = "DB_DATA_TYPE_INTEGER";
i_dbTyp[3] = DB_DATA_TYPE_FLOAT; s_dbTyp[3] = "DB_DATA_TYPE_FLOAT";
i_dbTyp[4] = DB_DATA_TYPE_DATE; s_dbTyp[4] = "DB_DATA_TYPE_DATE";
i_dbTyp[0] = 4; s_dbTyp[0] = "";
}
//----------------------------------------------------------------------------------------
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