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<title>sql/overview/table4/main.cpp Example File</title>
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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: 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"
<a name="f12"></a>StatusPicker::StatusPicker( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name )
: <a href="ntqcombobox.html">TQComboBox</a>( parent, name )
{
<a href="tqsqlcursor.html">TQSqlCursor</a> cur( "status" );
cur.<a href="tqsqlcursor.html#select">select</a>( cur.<a href="tqsqlcursor.html#index">index</a>( "name" ) );
int i = 0;
while ( cur.<a href="tqsqlquery.html#next">next</a>() ) {
<a href="ntqcombobox.html#insertItem">insertItem</a>( cur.<a href="tqsqlquery.html#value">value</a>( "name" ).toString(), i );
index2id[i] = cur.<a href="tqsqlquery.html#value">value</a>( "id" ).toInt();
i++;
}
}
int <a name="f13"></a>StatusPicker::statusId() const
{
return index2id[ currentItem() ];
}
void <a name="f14"></a>StatusPicker::setStatusId( int statusid )
{
TQMap<int,int>::Iterator it;
for ( it = index2id.begin(); it != index2id.end(); ++it ) {
if ( it.data() == statusid ) {
setCurrentItem( it.key() );
break;
}
}
}
void CustomTable::<a href="tqdatatable.html#paintField">paintField</a>( <a href="ntqpainter.html">TQPainter</a> * p, const <a href="tqsqlfield.html">TQSqlField</a>* field,
const <a href="ntqrect.html">TQRect</a> & cr, bool b)
{
if ( !field )
return;
if ( field-><a href="tqsqlfield.html#name">name</a>() == "statusid" ) {
<a href="tqsqlquery.html">TQSqlQuery</a> query( "SELECT name FROM status WHERE id=" +
field-><a href="tqsqlfield.html#value">value</a>().toString() );
<a href="ntqstring.html">TQString</a> text;
if ( query.<a href="tqsqlquery.html#next">next</a>() ) {
text = query.<a href="tqsqlquery.html#value">value</a>( 0 ).toString();
}
p-><a href="ntqpainter.html#drawText">drawText</a>( 2,2, cr.<a href="ntqrect.html#width">width</a>()-4, cr.<a href="ntqrect.html#height">height</a>()-4, fieldAlignment( field ), text );
}
else {
TQDataTable::<a href="tqdatatable.html#paintField">paintField</a>( p, field, cr, b) ;
}
}
TQWidget *CustomSqlEditorFactory::<a href="tqsqleditorfactory.html#createEditor">createEditor</a>(
<a href="ntqwidget.html">TQWidget</a> *parent, const <a href="tqsqlfield.html">TQSqlField</a> *field )
{
if ( field-><a href="tqsqlfield.html#name">name</a>() == "statusid" ) {
<a href="ntqwidget.html">TQWidget</a> *editor = new StatusPicker( parent );
return editor;
}
return TQSqlEditorFactory::createEditor( parent, field );
}
int main( int argc, char *argv[] )
{
<a href="ntqapplication.html">TQApplication</a> app( argc, argv );
if ( createConnections() ) {
<a href="tqsqlcursor.html">TQSqlCursor</a> staffCursor( "staff" );
CustomTable *staffTable = new CustomTable( &staffCursor );
<a href="tqsqlpropertymap.html">TQSqlPropertyMap</a> *propMap = new <a href="tqsqlpropertymap.html">TQSqlPropertyMap</a>();
CustomSqlEditorFactory *editorFactory = new CustomSqlEditorFactory();
propMap-><a href="tqsqlpropertymap.html#insert">insert</a>( "StatusPicker", "statusid" );
staffTable-><a href="tqdatatable.html#installPropertyMap">installPropertyMap</a>( propMap );
staffTable-><a href="tqdatatable.html#installEditorFactory">installEditorFactory</a>( editorFactory );
app.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( staffTable );
staffTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "forename", "Forename" );
staffTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "surname", "Surname" );
staffTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "salary", "Annual Salary" );
staffTable-><a href="tqdatatable.html#addColumn">addColumn</a>( "statusid", "Status" );
<a href="ntqstringlist.html">TQStringList</a> order = TQStringList() << "surname" << "forename";
staffTable-><a href="tqdatatable.html#setSort">setSort</a>( order );
staffTable-><a href="tqdatatable.html#refresh">refresh</a>();
staffTable-><a href="ntqwidget.html#show">show</a>();
return app.<a href="ntqapplication.html#exec">exec</a>();
}
return 1;
}
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