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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <tqapplication.h>
#include <tqsqldatabase.h>
#include <tqdatatable.h>
#include <tqsqlcursor.h>
#include <tqmessagebox.h>
/* Modify the following to match your environment */
#define DRIVER "TQSQLITE" /* see the TQt SQL documentation for a list of available drivers */
#define DATABASE ":memory:" /* the name of your database */
#define USER "" /* user name with appropriate rights */
#define PASSWORD "" /* password for USER */
#define HOST "" /* host on which the database is running */
class SimpleCursor : public TQSqlCursor
{
public:
SimpleCursor () : TQSqlCursor( "simpletable" ) {}
protected:
TQSqlRecord* primeInsert()
{
/* a real-world application would use sequences, or the like */
TQSqlRecord* buf = TQSqlCursor::primeInsert();
TQSqlQuery q( "select max(id)+1 from simpletable" );
if ( q.next() )
buf->setValue( "id", q.value(0) );
return buf;
}
};
int main( int argc, char ** argv )
{
TQApplication a( argc, argv );
TQSqlDatabase * db = TQSqlDatabase::addDatabase( DRIVER );
db->setDatabaseName( DATABASE );
db->setUserName( USER );
db->setPassword( PASSWORD );
db->setHostName( HOST );
if( !db->open() ){
db->lastError().showMessage( "An error occured. Please read the README file in the sqltable"
"dir for more information.\n\n" );
return 1;
}
if (!db->tables().contains("simpletable")) {
TQSqlQuery q("create table simpletable(id int, name varchar(20), address varchar(20))", db);
}
SimpleCursor cursor;
TQDataTable table( &cursor ); /* data table uses our cursor */
table.addColumn( "name", "Name" );
table.addColumn( "address", "Address" );
table.setSorting( TRUE );
a.setMainWidget( &table );
table.refresh(); /* load data */
table.show(); /* show widget */
return a.exec();
}
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