summaryrefslogtreecommitdiffstats
path: root/doc/html/sql-overview-table4-main-cpp.html
blob: 67d7d71ce85f2d62dd5f4e3090e67d0b05dec2de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
<!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:54 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>sql/overview/table4/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&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;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/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 Qt.  This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/

#include "main.h"


<a name="f12"></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="f13"></a>StatusPicker::statusId() const
{
    return index2id[ currentItem() ];
}


void <a name="f14"></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;
}
</pre><!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>