source: trunk/doc/html/sql-overview-custom1-main-cpp.html

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6<title>sql/overview/custom1/main.cpp Example File</title>
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32<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/custom1/main.cpp Example File</h1>
33
34
35<pre>/****************************************************************************
36** $Id: sql-overview-custom1-main-cpp.html 2051 2007-02-21 10:04:20Z chehrlic $
37**
38** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
39**
40** This file is part of an example program for Qt. This example
41** program may be used, distributed and modified without limitation.
42**
43*****************************************************************************/
44
45#include "main.h"
46
47
48<a name="f16"></a>CustomEdit::CustomEdit( <a href="qwidget.html">QWidget</a> *parent, const char *name ) :
49 <a href="qlineedit.html">QLineEdit</a>( parent, name )
50{
51 <a href="qobject.html#connect">connect</a>( this, SIGNAL(<a href="qlineedit.html#textChanged">textChanged</a>(const <a href="qstring.html">QString</a> &amp;)),
52 this, SLOT(changed(const <a href="qstring.html">QString</a> &amp;)) );
53}
54
55
56void <a name="f17"></a>CustomEdit::changed( const <a href="qstring.html">QString</a> &amp;line )
57{
58 setUpperLine( line );
59}
60
61
62void <a name="f18"></a>CustomEdit::setUpperLine( const <a href="qstring.html">QString</a> &amp;line )
63{
64 upperLineText = line.<a href="qstring.html#upper">upper</a>();
65 setText( upperLineText );
66}
67
68
69QString <a name="f19"></a>CustomEdit::upperLine() const
70{
71 return upperLineText;
72}
73
74
75<a name="f20"></a>FormDialog::FormDialog()
76{
77 <a href="qlabel.html">QLabel</a> *forenameLabel = new <a href="qlabel.html">QLabel</a>( "Forename:", this );
78 CustomEdit *forenameEdit = new CustomEdit( this );
79 <a href="qlabel.html">QLabel</a> *surnameLabel = new <a href="qlabel.html">QLabel</a>( "Surname:", this );
80 CustomEdit *surnameEdit = new CustomEdit( this );
81 <a href="qlabel.html">QLabel</a> *salaryLabel = new <a href="qlabel.html">QLabel</a>( "Salary:", this );
82 <a href="qlineedit.html">QLineEdit</a> *salaryEdit = new <a href="qlineedit.html">QLineEdit</a>( this );
83 salaryEdit-&gt;<a href="qlineedit.html#setAlignment">setAlignment</a>( Qt::AlignRight );
84 <a href="qpushbutton.html">QPushButton</a> *saveButton = new <a href="qpushbutton.html">QPushButton</a>( "&amp;Save", this );
85 <a href="qobject.html#connect">connect</a>( saveButton, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), this, SLOT(save()) );
86
87 <a href="qgridlayout.html">QGridLayout</a> *grid = new <a href="qgridlayout.html">QGridLayout</a>( this );
88 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( forenameLabel, 0, 0 );
89 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( forenameEdit, 0, 1 );
90 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( surnameLabel, 1, 0 );
91 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( surnameEdit, 1, 1 );
92 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( salaryLabel, 2, 0 );
93 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( salaryEdit, 2, 1 );
94 grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( saveButton, 3, 0 );
95 grid-&gt;<a href="qlayout.html#activate">activate</a>();
96
97 staffCursor = new <a href="qsqlcursor.html">QSqlCursor</a>( "staff" );
98 staffCursor-&gt;<a href="qsqlcursor.html#setTrimmed">setTrimmed</a>( "forename", TRUE );
99 staffCursor-&gt;<a href="qsqlcursor.html#setTrimmed">setTrimmed</a>( "surname", TRUE );
100 idIndex = staffCursor-&gt;<a href="qsqlcursor.html#index">index</a>( "id" );
101 staffCursor-&gt;<a href="qsqlcursor.html#select">select</a>( idIndex );
102 staffCursor-&gt;<a href="qsqlquery.html#first">first</a>();
103
104 propMap = new <a href="qsqlpropertymap.html">QSqlPropertyMap</a>;
105 propMap-&gt;<a href="qsqlpropertymap.html#insert">insert</a>( forenameEdit-&gt;<a href="qobject.html#className">className</a>(), "upperLine" );
106
107 sqlForm = new <a href="qsqlform.html">QSqlForm</a>( this );
108 sqlForm-&gt;<a href="qsqlform.html#setRecord">setRecord</a>( staffCursor-&gt;<a href="qsqlcursor.html#primeUpdate">primeUpdate</a>() );
109 sqlForm-&gt;<a href="qsqlform.html#installPropertyMap">installPropertyMap</a>( propMap );
110 sqlForm-&gt;<a href="qsqlform.html#insert">insert</a>( forenameEdit, "forename" );
111 sqlForm-&gt;<a href="qsqlform.html#insert">insert</a>( surnameEdit, "surname" );
112 sqlForm-&gt;<a href="qsqlform.html#insert">insert</a>( salaryEdit, "salary" );
113 sqlForm-&gt;<a href="qsqlform.html#readFields">readFields</a>();
114}
115
116
117FormDialog::~FormDialog()
118{
119 delete staffCursor;
120}
121
122
123void <a name="f21"></a>FormDialog::save()
124{
125 sqlForm-&gt;<a href="qsqlform.html#writeFields">writeFields</a>();
126 staffCursor-&gt;<a href="qsqlcursor.html#update">update</a>();
127 staffCursor-&gt;<a href="qsqlcursor.html#select">select</a>( idIndex );
128 staffCursor-&gt;<a href="qsqlquery.html#first">first</a>();
129}
130
131
132int main( int argc, char *argv[] )
133{
134 <a href="qapplication.html">QApplication</a> app( argc, argv );
135
136 if ( ! createConnections() )
137 return 1;
138
139 FormDialog *formDialog = new FormDialog();
140 formDialog-&gt;<a href="qdialog.html#show">show</a>();
141 app.<a href="qapplication.html#setMainWidget">setMainWidget</a>( formDialog );
142
143 return app.<a href="qapplication.html#exec">exec</a>();
144}
145</pre><!-- eof -->
146<p><address><hr><div align=center>
147<table width=100% cellspacing=0 border=0><tr>
148<td>Copyright &copy; 2007
149<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
150<td align=right><div align=right>Qt 3.3.8</div>
151</table></div></address></body>
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