You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
5.6 KiB
125 lines
5.6 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/sql.doc:65 -->
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
<title>sql/overview/subclass4/main.cpp Example File</title>
|
|
<style type="text/css"><!--
|
|
fn { margin-left: 1cm; text-indent: -1cm; }
|
|
a:link { color: #004faf; text-decoration: none }
|
|
a:visited { color: #672967; text-decoration: none }
|
|
body { background: #ffffff; color: black; }
|
|
--></style>
|
|
</head>
|
|
<body>
|
|
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
<tr bgcolor="#E5E5E5">
|
|
<td valign=center>
|
|
<a href="index.html">
|
|
<font color="#004faf">Home</font></a>
|
|
| <a href="classes.html">
|
|
<font color="#004faf">All Classes</font></a>
|
|
| <a href="mainclasses.html">
|
|
<font color="#004faf">Main Classes</font></a>
|
|
| <a href="annotated.html">
|
|
<font color="#004faf">Annotated</font></a>
|
|
| <a href="groups.html">
|
|
<font color="#004faf">Grouped Classes</font></a>
|
|
| <a href="functions.html">
|
|
<font color="#004faf">Functions</font></a>
|
|
</td>
|
|
<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/subclass4/main.cpp Example File</h1>
|
|
|
|
|
|
<pre>/****************************************************************************
|
|
** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
|
|
**
|
|
** Copyright (C) 1992-2007 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 "main.h"
|
|
#include <<a href="tqdatatable-h.html">tqdatatable.h</a>>
|
|
|
|
<a name="f24"></a>InvoiceItemCursor::InvoiceItemCursor() :
|
|
<a href="tqsqlcursor.html">TQSqlCursor</a>( "invoiceitem" )
|
|
{
|
|
<a href="tqsqlfieldinfo.html">TQSqlFieldInfo</a> productName( "productname", TQVariant::String );
|
|
<a href="tqsqlcursor.html#append">append</a>( productName );
|
|
<a href="tqsqlcursor.html#setCalculated">setCalculated</a>( productName.<a href="tqsqlfieldinfo.html#name">name</a>(), TRUE );
|
|
|
|
<a href="tqsqlfieldinfo.html">TQSqlFieldInfo</a> productPrice( "price", TQVariant::Double );
|
|
<a href="tqsqlcursor.html#append">append</a>( productPrice );
|
|
<a href="tqsqlcursor.html#setCalculated">setCalculated</a>( productPrice.<a href="tqsqlfieldinfo.html#name">name</a>(), TRUE );
|
|
|
|
<a href="tqsqlfieldinfo.html">TQSqlFieldInfo</a> productCost( "cost", TQVariant::Double );
|
|
<a href="tqsqlcursor.html#append">append</a>( productCost );
|
|
<a href="tqsqlcursor.html#setCalculated">setCalculated</a>( productCost.<a href="tqsqlfieldinfo.html#name">name</a>(), TRUE );
|
|
}
|
|
|
|
|
|
TQVariant InvoiceItemCursor::<a href="tqsqlcursor.html#calculateField">calculateField</a>( const <a href="tqstring.html">TQString</a> & name )
|
|
{
|
|
|
|
if ( name == "productname" ) {
|
|
<a href="tqsqlquery.html">TQSqlQuery</a> query( "SELECT name FROM prices WHERE id=" +
|
|
<a href="tqsqlrecord.html#field">field</a>( "pricesid" )->value().toString() );
|
|
if ( query.<a href="tqsqlquery.html#next">next</a>() )
|
|
return query.<a href="tqsqlquery.html#value">value</a>( 0 );
|
|
}
|
|
else if ( name == "price" ) {
|
|
<a href="tqsqlquery.html">TQSqlQuery</a> query( "SELECT price FROM prices WHERE id=" +
|
|
<a href="tqsqlrecord.html#field">field</a>( "pricesid" )->value().toString() );
|
|
if ( query.<a href="tqsqlquery.html#next">next</a>() )
|
|
return query.<a href="tqsqlquery.html#value">value</a>( 0 );
|
|
}
|
|
else if ( name == "cost" ) {
|
|
<a href="tqsqlquery.html">TQSqlQuery</a> query( "SELECT price FROM prices WHERE id=" +
|
|
<a href="tqsqlrecord.html#field">field</a>( "pricesid" )->value().toString() );
|
|
if ( query.<a href="tqsqlquery.html#next">next</a>() )
|
|
return TQVariant( query.<a href="tqsqlquery.html#value">value</a>( 0 ).toDouble() *
|
|
<a href="tqsqlquery.html#value">value</a>( "quantity").toDouble() );
|
|
}
|
|
|
|
return TQVariant( TQString::null );
|
|
}
|
|
|
|
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
<a href="ntqapplication.html">TQApplication</a> app( argc, argv );
|
|
|
|
if ( createConnections() ) {
|
|
InvoiceItemCursor invoiceItemCursor;
|
|
|
|
<a href="tqdatatable.html">TQDataTable</a> *invoiceItemTable = new <a href="tqdatatable.html">TQDataTable</a>( &invoiceItemCursor );
|
|
|
|
app.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( invoiceItemTable );
|
|
|
|
invoiceItemTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "productname", "Product" );
|
|
invoiceItemTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "price", "Price" );
|
|
invoiceItemTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "quantity", "Quantity" );
|
|
invoiceItemTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "cost", "Cost" );
|
|
invoiceItemTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "paiddate", "Paid" );
|
|
|
|
invoiceItemTable-><a href="tqdatatable.html#refresh">refresh</a>();
|
|
invoiceItemTable-><a href="tqwidget.html#show">show</a>();
|
|
|
|
return app.<a href="ntqapplication.html#exec">exec</a>();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
</pre><!-- eof -->
|
|
<p><address><hr><div align=center>
|
|
<table width=100% cellspacing=0 border=0><tr>
|
|
<td>Copyright © 2007
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
|
<td align=right><div align=right>TQt 3.3.8</div>
|
|
</table></div></address></body>
|
|
</html>
|