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# sql/overview/custom1/main.cpp Example File

    /****************************************************************************
    ** $Id$
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of an example program for Qt.  This example
    ** program may be used, distributed and modified without limitation.
    **
    *****************************************************************************/

    #include "main.h"

    CustomEdit::CustomEdit( QWidget *parent, const char *name ) :
        QLineEdit( parent, name )
    {
        connect( this, SIGNAL(textChanged(const QString &)),
                 this, SLOT(changed(const QString &)) );
    }

    void CustomEdit::changed( const QString &line )
    {
        setUpperLine( line );
    }

    void CustomEdit::setUpperLine( const QString &line )
    {
        upperLineText = line.upper();
        setText( upperLineText );
    }

    QString CustomEdit::upperLine() const
    {
        return upperLineText;
    }

    FormDialog::FormDialog()
    {
        QLabel      *forenameLabel  = new QLabel( "Forename:", this );
        CustomEdit  *forenameEdit   = new CustomEdit( this );
        QLabel      *surnameLabel   = new QLabel( "Surname:", this );
        CustomEdit  *surnameEdit    = new CustomEdit( this );
        QLabel      *salaryLabel    = new QLabel( "Salary:", this );
        QLineEdit   *salaryEdit     = new QLineEdit( this );
        salaryEdit->setAlignment( Qt::AlignRight );
        QPushButton *saveButton     = new QPushButton( "&Save", this );
        connect( saveButton, SIGNAL(clicked()), this, SLOT(save()) );

        QGridLayout *grid = new QGridLayout( this );
        grid->addWidget( forenameLabel, 0, 0 );
        grid->addWidget( forenameEdit,  0, 1 );
        grid->addWidget( surnameLabel,  1, 0 );
        grid->addWidget( surnameEdit,   1, 1 );
        grid->addWidget( salaryLabel,   2, 0 );
        grid->addWidget( salaryEdit,    2, 1 );
        grid->addWidget( saveButton,    3, 0 );
        grid->activate();

        staffCursor = new QSqlCursor( "staff" );
        staffCursor->setTrimmed( "forename", TRUE );
        staffCursor->setTrimmed( "surname",  TRUE );
        idIndex = staffCursor->index( "id" );
        staffCursor->select( idIndex );
        staffCursor->first();

        propMap = new QSqlPropertyMap;
        propMap->insert( forenameEdit->className(), "upperLine" );

        sqlForm = new QSqlForm( this );
        sqlForm->setRecord( staffCursor->primeUpdate() );
        sqlForm->installPropertyMap( propMap );
        sqlForm->insert( forenameEdit, "forename" );
        sqlForm->insert( surnameEdit, "surname" );
        sqlForm->insert( salaryEdit, "salary" );
        sqlForm->readFields();
    }

    FormDialog::~FormDialog()
    {
        delete staffCursor;
    }

    void FormDialog::save()
    {
        sqlForm->writeFields();
        staffCursor->update();
        staffCursor->select( idIndex );
        staffCursor->first();
    }

    int main( int argc, char *argv[] )
    {
        QApplication app( argc, argv );

        if ( ! createConnections() )
            return 1;

        FormDialog *formDialog = new FormDialog();
        formDialog->show();
        app.setMainWidget( formDialog );

        return app.exec();
    }

    bool createConnections()
    {
        // create the default database connection
        QSqlDatabase *defaultDB = QSqlDatabase::addDatabase( DB_SALES_DRIVER );
        if ( ! defaultDB ) {
            qWarning( "Failed to connect to driver" );
            return FALSE;
        }
        defaultDB->setDatabaseName( DB_SALES_DBNAME );
        defaultDB->setUserName( DB_SALES_USER );
        defaultDB->setPassword( DB_SALES_PASSWD );
        defaultDB->setHostName( DB_SALES_HOST );
        if ( ! defaultDB->open() ) {
            qWarning( "Failed to open sales database: " +
                      defaultDB->lastError().driverText() );
            qWarning( defaultDB->lastError().databaseText() );
            return FALSE;
        }

        // create a named connection to oracle
        QSqlDatabase *oracle = QSqlDatabase::addDatabase( DB_ORDERS_DRIVER, "ORACLE" );
        if ( ! oracle ) {
            qWarning( "Failed to connect to oracle driver" );
            return FALSE;
        }
        oracle->setDatabaseName( DB_ORDERS_DBNAME );
        oracle->setUserName( DB_ORDERS_USER );
        oracle->setPassword( DB_ORDERS_PASSWD );
        oracle->setHostName( DB_ORDERS_HOST );
        if ( ! oracle->open() ) {
            qWarning( "Failed to open orders database: " +
                      oracle->lastError().driverText() );
            qWarning( oracle->lastError().databaseText() );
            return FALSE;
        }

        return TRUE;
    }