Sophie: libqt3-devel-3.0.2-2mdk i586

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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>sql/overview/table4/main.cpp Example File</h1>

 
<pre>/****************************************************************************
** $Id$
**
** 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"


<a name="f130"></a>StatusPicker::StatusPicker( <a href="qwidget.html">QWidget</a> *parent, const char *name )
    : <a href="qcombobox.html">QComboBox</a>( parent, name )
{
    <a href="qsqlcursor.html">QSqlCursor</a> cur( "status" );
    cur.<a href="qsqlcursor.html#select">select</a>( cur.<a href="qsqlcursor.html#index">index</a>( "name" ) );

    int i = 0;
    while ( cur.<a href="qsqlquery.html#next">next</a>() ) {
        <a href="qcombobox.html#insertItem">insertItem</a>( cur.<a href="qsqlquery.html#value">value</a>( "name" ).toString(), i );
        index2id[i] = cur.<a href="qsqlquery.html#value">value</a>( "id" ).toInt();
        i++;
    }
}


int <a name="f131"></a>StatusPicker::statusId() const
{
    return index2id[ currentItem() ];
}


void <a name="f132"></a>StatusPicker::setStatusId( int statusid )
{
    QMap&lt;int,int&gt;::Iterator it;
    for ( it = index2id.begin(); it != index2id.end(); ++it ) {
        if ( it.data() == statusid ) {
            setCurrentItem( it.key() );
            break;
        }
    }
}


void CustomTable::<a href="qdatatable.html#paintField">paintField</a>( <a href="qpainter.html">QPainter</a> * p, const <a href="qsqlfield.html">QSqlField</a>* field,
                              const <a href="qrect.html">QRect</a> &amp; cr, bool b)
{
    if ( !field )
        return;
    if ( field-&gt;<a href="qsqlfield.html#name">name</a>() == "statusid" ) {
        <a href="qsqlquery.html">QSqlQuery</a> query( "SELECT name FROM status WHERE id=" +
                     field-&gt;<a href="qsqlfield.html#value">value</a>().toString() );
        <a href="qstring.html">QString</a> text;
        if ( query.<a href="qsqlquery.html#next">next</a>() ) {
            text = query.<a href="qsqlquery.html#value">value</a>( 0 ).toString();
        }
        p-&gt;<a href="qpainter.html#drawText">drawText</a>( 2,2, cr.<a href="qrect.html#width">width</a>()-4, cr.<a href="qrect.html#height">height</a>()-4, fieldAlignment( field ), text );
    }
    else {
        QDataTable::<a href="qdatatable.html#paintField">paintField</a>( p, field, cr, b) ;
    }
}


QWidget *CustomSqlEditorFactory::<a href="qsqleditorfactory.html#createEditor">createEditor</a>(
    <a href="qwidget.html">QWidget</a> *parent, const <a href="qsqlfield.html">QSqlField</a> *field )
{
    if ( field-&gt;<a href="qsqlfield.html#name">name</a>() == "statusid" ) {
        <a href="qwidget.html">QWidget</a> *editor = new StatusPicker( parent );
        return editor;
    }

    return QSqlEditorFactory::createEditor( parent, field );
}


int main( int argc, char *argv[] )
{
    <a href="qapplication.html">QApplication</a> app( argc, argv );

    if ( createConnections() ) {
        <a href="qsqlcursor.html">QSqlCursor</a> staffCursor( "staff" );

        CustomTable             *staffTable     = new CustomTable( &amp;staffCursor );
        <a href="qsqlpropertymap.html">QSqlPropertyMap</a>         *propMap        = new <a href="qsqlpropertymap.html">QSqlPropertyMap</a>();
        CustomSqlEditorFactory  *editorFactory  = new CustomSqlEditorFactory();
        propMap-&gt;<a href="qsqlpropertymap.html#insert">insert</a>( "StatusPicker", "statusid" );
        staffTable-&gt;<a href="qdatatable.html#installPropertyMap">installPropertyMap</a>( propMap );
        staffTable-&gt;<a href="qdatatable.html#installEditorFactory">installEditorFactory</a>( editorFactory );

        app.<a href="qapplication.html#setMainWidget">setMainWidget</a>( staffTable );

        staffTable-&gt;<a href="qdatatable.html#addColumn">addColumn</a>( "forename", "Forename" );
        staffTable-&gt;<a href="qdatatable.html#addColumn">addColumn</a>( "surname",  "Surname" );
        staffTable-&gt;<a href="qdatatable.html#addColumn">addColumn</a>( "salary",   "Annual Salary" );
        staffTable-&gt;<a href="qdatatable.html#addColumn">addColumn</a>( "statusid", "Status" );

        <a href="qstringlist.html">QStringList</a> order = QStringList() &lt;&lt; "surname" &lt;&lt; "forename";
        staffTable-&gt;<a href="qdatatable.html#setSort">setSort</a>( order );

        staffTable-&gt;<a href="qdatatable.html#refresh">refresh</a>();
        staffTable-&gt;<a href="qwidget.html#show">show</a>();

        return app.<a href="qapplication.html#exec">exec</a>();
    }

    return 1;
}


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

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

    return TRUE;
}
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<td align=right><div align=right>Qt version 3.0.2</div>
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