author | Eckhart Koeppen <eckhart.koppen@nokia.com> |
Thu, 08 Apr 2010 14:19:33 +0300 | |
branch | RCL_3 |
changeset 7 | 3f74d0d4af4c |
permissions | -rw-r--r-- |
7
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1 |
/**************************************************************************** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
2 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
3 |
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
4 |
** All rights reserved. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
5 |
** Contact: Nokia Corporation (qt-info@nokia.com) |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
6 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
7 |
** This file is part of the documentation of the Qt Toolkit. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
8 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
9 |
** $QT_BEGIN_LICENSE:LGPL$ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
10 |
** No Commercial Usage |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
11 |
** This file contains pre-release code and may not be distributed. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
12 |
** You may use this file in accordance with the terms and conditions |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
13 |
** contained in the Technology Preview License Agreement accompanying |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
14 |
** this package. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
15 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
16 |
** GNU Lesser General Public License Usage |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
17 |
** Alternatively, this file may be used under the terms of the GNU Lesser |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
18 |
** General Public License version 2.1 as published by the Free Software |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
19 |
** Foundation and appearing in the file LICENSE.LGPL included in the |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
20 |
** packaging of this file. Please review the following information to |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
21 |
** ensure the GNU Lesser General Public License version 2.1 requirements |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
22 |
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
23 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
24 |
** In addition, as a special exception, Nokia gives you certain additional |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
25 |
** rights. These rights are described in the Nokia Qt LGPL Exception |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
26 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
27 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
28 |
** If you have questions regarding the use of this file, please contact |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
29 |
** Nokia at qt-info@nokia.com. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
30 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
31 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
32 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
33 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
34 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
35 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
36 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
37 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
38 |
** $QT_END_LICENSE$ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
39 |
** |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
40 |
****************************************************************************/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
41 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
42 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
43 |
\page tutorials-addressbook-fr.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
44 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
45 |
\startpage {index.html}{Qt Reference Documentation} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
46 |
\contentspage Tutorials |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
47 |
\nextpage {tutorials/addressbook-fr/part1}{Chapitre 1} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
48 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
49 |
\title Tutoriel "Carnet d'adresses" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
50 |
\brief Une introduction à la programation d'interface graphique montrant comment construire une application simple avec Qt. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
51 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
52 |
Ce tutoriel est une introduction à la programmation de GUI (interface utilisateur) |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
53 |
à l'aide des outils fournis par la plateforme multiplate-forme Qt. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
54 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
55 |
\image addressbook-tutorial-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
56 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
57 |
Ce tutoriel va nous amener à découvrir quelques technologies fondamentales fournies |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
58 |
par Qt, tel que: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
59 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
60 |
\list |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
61 |
\o Les Widgets et leur mise en page à l'aide des layouts |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
62 |
\o Les signaux et slots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
63 |
\o Les structures de données de collections |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
64 |
\o Les entrées/sorties |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
65 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
66 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
67 |
Si c'est votre premier contact avec Qt, lisez \l{How to Learn Qt}{Comment apprendre Qt} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
68 |
si ce n'est déjà fait. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
69 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
70 |
Le code source du tutoriel est distribué avec Qt dans le dossier \c examples/tutorials/addressbook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
71 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
72 |
Les chapitres du tutoriel: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
73 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
74 |
\list 1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
75 |
\o \l{tutorials/addressbook-fr/part1}{Conception de l'interface utilisateur} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
76 |
\o \l{tutorials/addressbook-fr/part2}{Ajouter des adresses} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
77 |
\o \l{tutorials/addressbook-fr/part3}{Navigation entre les éléments} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
78 |
\o \l{tutorials/addressbook-fr/part4}{éditer et supprimer des adresses} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
79 |
\o \l{tutorials/addressbook-fr/part5}{Ajout d'une fonction de recherche} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
80 |
\o \l{tutorials/addressbook-fr/part6}{Sauvegarde et chargement} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
81 |
\o \l{tutorials/addressbook-fr/part7}{Fonctionnalités avancées} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
82 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
83 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
84 |
La petite application que nous développerons ici ne possède pas tous les éléments |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
85 |
des interfaces dernier cri, elle va nous permettre d'utiliser les techniques de base |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
86 |
utilisées dans les applications plus complexes. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
87 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
88 |
Lorsque vous aurez terminé ce tutoriel, nous vous recommandons de poursuivre avec l'exemple |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
89 |
"\l{mainwindows/application}{Application}", qui présente une interface simple utilisant |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
90 |
les menus et barres d'outils, la barre d'état, etc. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
91 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
92 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
93 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
94 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
95 |
\page tutorials-addressbook-fr-part1.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
96 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
97 |
\nextpage {tutorials/addressbook-fr/part2}{Chapitre 2} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
98 |
\example tutorials/addressbook-fr/part1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
99 |
\title Carnet d'adresses 1 - Conception de l'interface utilisateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
100 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
101 |
La première partie de ce tutoriel traite de la conception d'une interface graphique |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
102 |
(GUI) basique, que l'on utilisera pour l'application Carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
103 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
104 |
La première étape dans la création d'applications graphiques est la conception de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
105 |
l'interface utilisateur. Dans ce chapitre, nous verrons comment créer les labels |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
106 |
et champs de saisie nécessaires à l'implementation d'un carnet d'adresses de base. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
107 |
Le résultat attendu est illustré par la capture d'écran ci-dessous. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
108 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
109 |
\image addressbook-tutorial-part1-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
110 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
111 |
Nous allons avoir besoin de deux objets QLabel, \c nameLabel et \c addressLabel, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
112 |
ainsi que deux champs de saisie: un objet QLineEdit, \c nameLine, et un objet |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
113 |
QTextEdit, \c addressText, afin de permettre à l'utilisateur d'entrer le nom d'un |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
114 |
contact et son adresse. Les widgets utilisés ainsi que leur placement sont visibles ci-dessous. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
115 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
116 |
\image addressbook-tutorial-part1-labeled-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
117 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
118 |
Trois fichiers sont nécessaires à l'implémentation de ce carnet d'adresses: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
119 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
120 |
\list |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
121 |
\o \c{addressbook.h} - le fichier de définition (header) pour la classe \c AddressBook, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
122 |
\o \c{addressbook.cpp} - le fichier source, qui comprend l'implémentation de la classe |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
123 |
\c AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
124 |
\o \c{main.cpp} - le fichier qui contient la méthode \c main() , et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
125 |
une instance de la classe \c AddressBook. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
126 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
127 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
128 |
\section1 Programmation en Qt - héritage |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
129 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
130 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
131 |
Lorsque l'on écrit des programmes avec Qt, on a généralement recours à |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
132 |
l'héritage depuis des objets Qt, afin d'y ajouter des fonctionnalités. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
133 |
C'est l'un des concepts fondamentaux de la création de widgets personnalisés |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
134 |
ou de collections de widgets. Utiliser l'héritage afin de compléter |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
135 |
ou modifier le comportement d'un widget présente les avantages suivants: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
136 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
137 |
\list |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
138 |
\o La possibilité d'implémenter des méthodes virtuelles et des méthodes |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
139 |
virtuelles pures pour obtenir exactement ce que l'on souhaite, avec la possibilité |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
140 |
d'utiliser l'implémentation de la classe mère si besoin est. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
141 |
\o Cela permet l'encapsulation partielle de l'interface utilisateur dans une classe, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
142 |
afin que les autres parties de l'application n'aient pas à se soucier de chacun des |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
143 |
widgets qui forment l'interface utilisateur. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
144 |
\o La classe fille peut être utilisée pour créer de nombreux widgets personnalisés |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
145 |
dans une même application ou bibliothèque, et le code de la classe fille peut être |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
146 |
réutilisé dans d'autres projets |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
147 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
148 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
149 |
Comme Qt ne fournit pas de widget standard pour un carnet d'adresses, nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
150 |
partirons d'une classe de widget Qt standard et y ajouterons des fonctionnalités. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
151 |
La classe \c AddressBook crée dans ce tutoriel peut être réutilisée si on a besoin d'un |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
152 |
widget carnet d'adresses basique. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
153 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
154 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
155 |
\section1 La classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
156 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
157 |
Le fichier \l{tutorials/addressbook-fr/part1/addressbook.h}{\c addressbook.h} permet de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
158 |
définir la classe \c AddressBook. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
159 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
160 |
On commence par définir \c AddressBook comme une classe fille de QWidget et déclarer |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
161 |
un constructeur. On utilise également la macro Q_OBJECT pour indiquer que la classe |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
162 |
exploite les fonctionnalités de signaux et slots offertes par Qt ainsi que |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
163 |
l'internationalisation, bien que nous ne les utilisions pas à ce stade. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
164 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
165 |
\snippet tutorials/addressbook-fr/part1/addressbook.h class definition |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
166 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
167 |
La classe contient les déclarations de \c nameLine et \c addressText, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
168 |
les instances privées de QLineEdit et QTextEdit mentionnées précédemment. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
169 |
Vous verrez, dans les chapitres à venir que les informations contenues |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
170 |
dans \c nameLine et \c addressText sont nécessaires à de nombreuses méthodes |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
171 |
du carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
172 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
173 |
Il n'est pas nécessaire de déclarer les objets QLabel que nous allons utiliser |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
174 |
puisque nous n'aurons pas besoin d'y faire référence après leur création. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
175 |
La façon dont Qt gère la parenté des objets est traitée dans la section suivante. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
176 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
177 |
La macro Q_OBJECT implémente des fonctionnalités parmi les plus avancées de Qt. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
178 |
Pour le moment, il est bon de voir la macro Q_OBJECT comme un raccourci nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
179 |
permettant d'utiliser les méthodes \l{QObject::}{tr()} et \l{QObject::}{connect()}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
180 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
181 |
Nous en avons maintenant terminé avec le fichier \c addressbook.h et allons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
182 |
passer à l'implémentation du fichier \c addressbook.cpp. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
183 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
184 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
185 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
186 |
Le constructeur de la classe \c{AddressBook} prend en paramètre un QWidget, \e parent. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
187 |
Par convention, on passe ce paramètre au constructeur de la classe mère. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
188 |
Ce concept de parenté, où un parent peut avoir un ou plusieurs enfants, est utile |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
189 |
pour regrouper les Widgets avec Qt. Par exemple, si vous détruisez le parent, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
190 |
tous ses enfants seront détruits égalament. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
191 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
192 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
193 |
\snippet tutorials/addressbook/part1/addressbook.cpp constructor and input fields |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
194 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
195 |
à l'intérieur de ce constructeur, on déclare et instancie deux objets locaux |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
196 |
QLabel, \c nameLabel et \c addressLabel, de même on instancie \c nameLine et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
197 |
\c addressText. La méthode \l{QObject::tr()}{tr()} renvoie une version traduite |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
198 |
de la chaîne de caractères, si elle existe; dans le cas contraire, elle renvoie |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
199 |
la chaîne elle même. On peut voir cette méthode comme un marqueur \tt{<insérer |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
200 |
la traduction ici>}, permettant de repérer les objets QString à considérer |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
201 |
pour traduire une application. Vous remarquerez, dans les chapitres à venir |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
202 |
comme dans les \l{Qt Examples}{exemples Qt}, qu'elle est utilisée chaque fois |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
203 |
que l'on utilise une chaîne susceptible d'être traduite. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
204 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
205 |
Lorsque l'on programme avec Qt, il est utile de savoir comment fonctionnent les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
206 |
agencements ou layouts. Qt fournit trois classes principales de layouts pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
207 |
contrôler le placement des widgets: QHBoxLayout, QVBoxLayout et QGridLayout. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
208 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
209 |
\image addressbook-tutorial-part1-labeled-layout.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
210 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
211 |
On utilise un QGridLayout pour positionner nos labels et champs de saisie de manière |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
212 |
structurée. QGridLayout divise l'espace disponible en une grille, et place les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
213 |
widgets dans les cellules que l'on spécifie par les numéros de ligne et de colonne. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
214 |
Le diagramme ci-dessus présente les cellules et la position des widgets, et cette |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
215 |
organisation est obtenue à l'aide du code suivant: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
216 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
217 |
\snippet tutorials/addressbook/part1/addressbook.cpp layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
218 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
219 |
On remarque que le label \c AddressLabel est positionné en utilisant Qt::AlignTop |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
220 |
comme argument optionnel. Ceci est destiné à assurer qu'il ne sera pas centré |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
221 |
verticalement dans la cellule (1,0). Pour un aperçu rapide des layouts de Qt, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
222 |
consultez la section \l{Layout Management}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
223 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
224 |
Afin d'installer l'objet layout dans un widget, il faut appeler la méthode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
225 |
\l{QWidget::setLayout()}{setLayout()} du widget en question: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
226 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
227 |
\snippet tutorials/addressbook/part1/addressbook.cpp setting the layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
228 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
229 |
Enfin, on initialise le titre du widget à "Simple Address Book" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
230 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
231 |
\section1 Exécution de l'application |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
232 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
233 |
Un fichier séparé, \c main.cpp, est utilisé pour la méthode \c main(). Dans cette |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
234 |
fonction, on crée une instance de QApplication, \c app. QApplication se charge de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
235 |
des ressources communes à l'ensemble de l'application, tel que les polices de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
236 |
caractères et le curseur par défaut, ainsi que de l'exécution de la boucle d'évènements. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
237 |
De ce fait, il y a toujours un objet QApplication dans toute application graphique en Qt. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
238 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
239 |
\snippet tutorials/addressbook/part1/main.cpp main function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
240 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
241 |
On construit un nouveau widget \c AddressBook sur la pile et on invoque |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
242 |
sa méthode \l{QWidget::show()}{show()} pour l'afficher. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
243 |
Cependant, le widget ne sera pas visible tant que la boucle d'évènements |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
244 |
n'aura pas été lancée. On démarre la boucle d'évènements en appelant la |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
245 |
méthode \l{QApplication::}{exec()} de l'application; le résultat renvoyé |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
246 |
par cette méthode est lui même utilisé comme valeur de retour pour la méthode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
247 |
\c main(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
248 |
On comprend maintenant pourquoi \c AddressBook a été créé sur la pile: à la fin |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
249 |
du programme, l'objet sort du scope de la fonction \c main() et tous ses widgets enfants |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
250 |
sont supprimés, assurant ainsi qu'il n'y aura pas de fuites de mémoire. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
251 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
252 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
253 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
254 |
\page tutorials-addressbook-fr-part2.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
255 |
\previouspage {tutorials/addressbook-fr/part1}{Chapitre 1} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
256 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
257 |
\nextpage {tutorials/addressbook-fr/part3}{Chapitre 3} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
258 |
\example tutorials/addressbook-fr/part2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
259 |
\title Carnet d'adresses 2 - Ajouter des adresses |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
260 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
261 |
La prochaine étape pour créer notre carnet d'adresses est d'ajouter un soupçon |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
262 |
d'interactivité. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
263 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
264 |
\image addressbook-tutorial-part2-add-contact.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
265 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
266 |
Nous allons fournir un bouton que l'utilisateur peut |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
267 |
cliquer pour ajouter un nouveau contact. Une structure de données est aussi |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
268 |
nécessaire afin de pouvoir stocker les contacts en mémoire. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
269 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
270 |
\section1 Définition de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
271 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
272 |
Maintenant que nous avons mis en place les labels et les champs de saisie, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
273 |
nous ajoutons les boutons pour compléter le processus d'ajout d'un contact. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
274 |
Cela veut dire que notre fichier \c addressbook.h a maintenant trois |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
275 |
objets QPushButton et trois slots publics correspondant. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
276 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
277 |
\snippet tutorials/addressbook/part2/addressbook.h slots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
278 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
279 |
Un slot est une méthode qui répond à un signal. Nous allons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
280 |
voir ce concept en détail lorsque nous implémenterons la classe \c{AddressBook}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
281 |
Pour une explication détaillée du concept de signal et slot, vous pouvez |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
282 |
vous référer au document \l{Signals and Slots}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
283 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
284 |
Les trois objets QPushButton \c addButton, \c submitButton et \c cancelButton |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
285 |
sont maintenant inclus dans la déclaration des variables privées, avec |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
286 |
\c nameLine et \c addressText du chapitre précédent. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
287 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
288 |
\snippet tutorials/addressbook/part2/addressbook.h pushbutton declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
289 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
290 |
Nous avons besoin d'un conteneur pour stocker les contacts du carnet |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
291 |
d'adresses, de façon à pouvoir les énumérer et les afficher. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
292 |
Un objet QMap, \c contacts, est utilisé pour ça, car il permet de stocker |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
293 |
des paires clé-valeur: le nom du contact est la \e{clé} et l'adresse du contact |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
294 |
est la \e{valeur}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
295 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
296 |
\snippet tutorials/addressbook/part2/addressbook.h remaining private variables |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
297 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
298 |
Nous déclarons aussi deux objects QString privés: \c oldName et \c oldAddress. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
299 |
Ces objets sont nécessaires pour conserver le nom et l'adresse du dernier contact |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
300 |
affiché avant que l'utilisateur ne clique sur le bouton "Add". Grâce à ces variables |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
301 |
si l'utilisateur clique sur "Cancel", il est possible de revenir |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
302 |
à l'affichage du dernier contact. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
303 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
304 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
305 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
306 |
Dans le constructeur de \c AddressBook, \c nameLine et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
307 |
\c addressText sont mis en mode lecture seule, de façon à autoriser l'affichage |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
308 |
mais pas la modification du contact courant. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
309 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
310 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
311 |
\snippet tutorials/addressbook/part2/addressbook.cpp setting readonly 1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
312 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
313 |
\snippet tutorials/addressbook/part2/addressbook.cpp setting readonly 2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
314 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
315 |
Ensuite, nous instancions les boutons \c addButton, \c submitButton, et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
316 |
\c cancelButton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
317 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
318 |
\snippet tutorials/addressbook/part2/addressbook.cpp pushbutton declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
319 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
320 |
Le bouton \c addButton est affiché en invoquant la méthode \l{QPushButton::show()} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
321 |
{show()}, tandis que \c submitButton et \c cancelButton sont cachés en invoquant |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
322 |
\l{QPushButton::hide()}{hide()}. Ces deux boutons ne seront affichés que lorsque |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
323 |
l'utilisateur cliquera sur "Add", et ceci est géré par la méthode \c addContact() |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
324 |
décrite plus loin. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
325 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
326 |
\snippet tutorials/addressbook/part2/addressbook.cpp connecting signals and slots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
327 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
328 |
Nous connectons le signal \l{QPushButton::clicked()}{clicked()} de chaque bouton |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
329 |
au slot qui gèrera l'action. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
330 |
L'image ci-dessous illustre ceci: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
331 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
332 |
\image addressbook-tutorial-part2-signals-and-slots.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
333 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
334 |
Ensuite, nous arrangeons proprement les boutons sur la droite du widget |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
335 |
AddressBook, et nous utilisons un QVBoxLayout pour les aligner verticalement. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
336 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
337 |
\snippet tutorials/addressbook/part2/addressbook.cpp vertical layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
338 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
339 |
La methode \l{QBoxLayout::addStretch()}{addStretch()} est utilisée pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
340 |
assurer que les boutons ne sont pas répartis uniformément, mais regroupés |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
341 |
dans la partie supperieure du widget. La figure ci-dessous montre la différence |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
342 |
si \l{QBoxLayout::addStretch()}{addStretch()} est utilisé ou pas. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
343 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
344 |
\image addressbook-tutorial-part2-stretch-effects.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
345 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
346 |
Ensuite nous ajoutons \c buttonLayout1 à \c mainLayout, en utilisant |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
347 |
\l{QGridLayout::addLayout()}{addLayout()}. Ceci nous permet d'imbriquer les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
348 |
mises en page puisque \c buttonLayout1 est maintenant un enfant de \c mainLayout. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
349 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
350 |
\snippet tutorials/addressbook/part2/addressbook.cpp grid layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
351 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
352 |
Les coordonnées du layout global ressemblent maintenant à ça: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
353 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
354 |
\image addressbook-tutorial-part2-labeled-layout.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
355 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
356 |
Dans la méthode \c addContact(), nous stockons les détails du dernier |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
357 |
contact affiché dans \c oldName et \c oldAddress. Ensuite, nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
358 |
vidons ces champs de saisie et nous désactivons le mode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
359 |
lecture seule. Le focus est placé sur \c nameLine et on affiche |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
360 |
\c submitButton et \c cancelButton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
361 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
362 |
\snippet tutorials/addressbook/part2/addressbook.cpp addContact |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
363 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
364 |
La méthode \c submitContact() peut être divisée en trois parties: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
365 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
366 |
\list 1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
367 |
\o Nous extrayons les détails du contact depuis \c nameLine et \c addressText |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
368 |
et les stockons dans des objets QString. Nous les validons pour s'assurer |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
369 |
que l'utilisateur n'a pas cliqué sur "Add" avec des champs de saisie |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
370 |
vides; sinon un message est affiché avec QMessageBox pour rappeller à |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
371 |
l'utilisateur que les deux champs doivent être complétés. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
372 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
373 |
\snippet tutorials/addressbook/part2/addressbook.cpp submitContact part1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
374 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
375 |
\o Ensuite, nous vérifions si le contact existe déjà. Si aucun contacts |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
376 |
existant n'entre en conflit avec le nouveau, nous l'ajoutons à |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
377 |
\c contacts et nous affichons un QMessageBox pour informer l'utilisateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
378 |
que le contact a été ajouté. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
379 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
380 |
\snippet tutorials/addressbook/part2/addressbook.cpp submitContact part2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
381 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
382 |
Si le contact existe déjà, nous affichons un QMessageBox pour informer |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
383 |
l'utilisateur du problème. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
384 |
Notre objet \c contacts est basé sur des paires clé-valeur formés par |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
385 |
le nom et l'adresse, nous voulons nous assurer que la \e clé est unique. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
386 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
387 |
\o Une fois que les deux vérifications précédentes ont été traitées, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
388 |
nous restaurons les boutons à leur état normal à l'aide du code |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
389 |
suivant: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
390 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
391 |
\snippet tutorials/addressbook/part2/addressbook.cpp submitContact part3 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
392 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
393 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
394 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
395 |
La capture d'écran ci-dessous montre l'affichage fournit par un objet |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
396 |
QMessageBox, utilisé ici pour afficher un message d'information |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
397 |
à l'utilisateur: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
398 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
399 |
\image addressbook-tutorial-part2-add-successful.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
400 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
401 |
La méthode \c cancel() restaure les détails du dernier contact, active |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
402 |
\c addButton, et cache \c submitButton et \c cancelButton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
403 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
404 |
\snippet tutorials/addressbook/part2/addressbook.cpp cancel |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
405 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
406 |
L'idée générale pour augmenter la flexibilité lors de l'ajout d'un |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
407 |
contact est de donner la possiblité de cliquer sur "Add" |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
408 |
ou "Cancel" à n'importe quel moment. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
409 |
L'organigramme ci-dessous reprend l'ensemble des interactions dévelopées |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
410 |
jusqu'ici: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
411 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
412 |
\image addressbook-tutorial-part2-add-flowchart.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
413 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
414 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
415 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
416 |
\page tutorials-addressbook-fr-part3.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
417 |
\previouspage {tutorials/addressbook-fr/part2}{Chapitre 2} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
418 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
419 |
\nextpage {tutorials/addressbook-fr/part4}{Chapitre 4} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
420 |
\example tutorials/addressbook-fr/part3 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
421 |
\title Carnet d'adresses 3 - Navigation entre les éléments |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
422 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
423 |
L'application "Carnet d'adresses" est maintenant à moitié terminée. Il |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
424 |
nous faut maintenant ajouter quelques fonctions pour naviguer entre |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
425 |
les contacts. Avant de commencer, il faut se décider sur le type de structure de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
426 |
données le plus approprié pour stocker les contacts. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
427 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
428 |
Dans le chapitre 2, nous avons utilisé un QMap utilisant des paires clé-valeur, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
429 |
avec le nom du contact comme \e clé, et l'adresse du contact comme \e valeur. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
430 |
Cela fonctionnait bien jusqu'ici, mais pour ajouter la navigation entre les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
431 |
entrées, quelques améliorations sont nécessaires. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
432 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
433 |
Nous améliorerons le QMap en le faisant ressembler à une structure de données |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
434 |
similaire à une liste liée, où tous les éléments sont connectés, y compris |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
435 |
le premier et le dernier élément. La figure ci-dessous illustre cette structure |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
436 |
de donnée. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
437 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
438 |
\image addressbook-tutorial-part3-linkedlist.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
439 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
440 |
\section1 Définition de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
441 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
442 |
Pour ajouter les fonctions de navigation au carnet d'adresses, nous avons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
443 |
besoin de deux slots supplémentaires dans notre classe \c AddressBook: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
444 |
\c next() et \c previous(). Ceux-ci sont ajoutés au fichier addressbook.h: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
445 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
446 |
\snippet tutorials/addressbook/part3/addressbook.h navigation functions |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
447 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
448 |
Nous avons aussi besoin de deux nouveaux objets QPushButton, nous ajoutons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
449 |
donc les variables privées \c nextButton et \c previousButton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
450 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
451 |
\snippet tutorials/addressbook/part3/addressbook.h navigation pushbuttons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
452 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
453 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
454 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
455 |
A l'intérieur du constructeur de \c AddressBook, dans \c addressbook.cpp, nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
456 |
instancions \c nextButton et \c previousButton et nous les désactivons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
457 |
par défaut. Nous faisons ceci car la navigation ne doit être activée |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
458 |
que lorsqu'il y a plus d'un contact dans le carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
459 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
460 |
\snippet tutorials/addressbook/part3/addressbook.cpp navigation pushbuttons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
461 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
462 |
Nous connectons alors ces boutons à leur slots respectifs: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
463 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
464 |
\snippet tutorials/addressbook/part3/addressbook.cpp connecting navigation signals |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
465 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
466 |
L'image ci-dessous montre l'interface utilisateur que nous allons créer. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
467 |
Remarquez que cela ressemble de plus en plus à l'interface du programme |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
468 |
complet. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
469 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
470 |
\image addressbook-tutorial-part3-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
471 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
472 |
Nous suivons les conventions pour les fonctions \c next() et \c previous() |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
473 |
en plaçant \c nextButton à droite et \c previousButton à gauche. Pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
474 |
faire cette mise en page intuitive, nous utilisons un QHBoxLayout pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
475 |
placer les widgets côte à côte: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
476 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
477 |
\snippet tutorials/addressbook/part3/addressbook.cpp navigation layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
478 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
479 |
L'objet QHBoxLayout, \c buttonLayout2, est ensuite ajouté à \c mainLayout. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
480 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
481 |
\snippet tutorials/addressbook/part3/addressbook.cpp adding navigation layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
482 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
483 |
La figure ci-dessous montre les systèmes de coordonnées pour les widgets du |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
484 |
\c mainLayout. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
485 |
\image addressbook-tutorial-part3-labeled-layout.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
486 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
487 |
Dans notre méthode \c addContact(), nous avons desactivé ces boutons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
488 |
pour être sûr que l'utilisateur n'utilise pas la navigation lors de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
489 |
l'ajout d'un contact. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
490 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
491 |
\snippet tutorials/addressbook/part3/addressbook.cpp disabling navigation |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
492 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
493 |
Dans notre méthode \c submitContact(), nous activons les boutons de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
494 |
navigation, \c nextButton et \c previousButton, en fonction de la |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
495 |
taille de \c contacts. Commen mentionné plus tôt, la navigation n'est |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
496 |
activée que si il y a plus d'un contact dans le carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
497 |
Les lignes suivantes montrent comment faire cela: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
498 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
499 |
\snippet tutorials/addressbook/part3/addressbook.cpp enabling navigation |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
500 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
501 |
Nous incluons aussi ces lignes de code dans le bouton \c cancel(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
502 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
503 |
Souvenez vous que nous voulons émuler une liste-liée ciruculaire à |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
504 |
l'aide de l'objet QMap, \c contacts. Pour faire cela, nous obtenons un itérateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
505 |
sur \c contact dans la méthode \c next(), et ensuite: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
506 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
507 |
\list |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
508 |
\o Si l'itérateur n'est pas à la fin de \c contacts, nous l'incrémentons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
509 |
\o Si l'itérateur est à la fin de \c contacts, nous changeons sa position |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
510 |
jusqu'au début de \c contacts. Cela donne l'illusion que notre QMap |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
511 |
fonctionne comme une liste circulaire. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
512 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
513 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
514 |
\snippet tutorials/addressbook/part3/addressbook.cpp next() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
515 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
516 |
Une fois que nous avons itéré jusqu'à l'objet recherché dans \c contacts, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
517 |
nous affichons son contenu sur \c nameLine et \c addressText. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
518 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
519 |
De la même façon, pour la méthode \c previous(), nous obtenons un |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
520 |
itérateur sur \c contacts et ensuite: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
521 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
522 |
\list |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
523 |
\o Si l'itérateur est à la fin de \c contacts, on réinitialise |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
524 |
l'affichage et on retourne. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
525 |
\o Si l'itérateur est au début de \c contacts, on change sa |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
526 |
position jusqu'à la fin |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
527 |
\o Ensuite, on décrémente l'itérateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
528 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
529 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
530 |
\snippet tutorials/addressbook/part3/addressbook.cpp previous() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
531 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
532 |
à nouveau, nous affichons le contenu de l'objet courant dans \c contacts. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
533 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
534 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
535 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
536 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
537 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
538 |
\page tutorials-addressbook-fr-part4.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
539 |
\previouspage {tutorials/addressbook-fr/part3}{Chapitre 3} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
540 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
541 |
\nextpage {tutorials/addressbook-fr/part5}{Chapitre 5} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
542 |
\example tutorials/addressbook-fr/part4 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
543 |
\title Carnet d'Adresses 4 - éditer et supprimer des adresses |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
544 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
545 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
546 |
Dans ce chapitre, nous verrons comment modifier les données des contacts |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
547 |
contenus dans l'application carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
548 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
549 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
550 |
\image addressbook-tutorial-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
551 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
552 |
Nous avons maintenant un carnet d'adresses qui ne se contente pas de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
553 |
lister des contacts de façon ordonnée, mais permet également la |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
554 |
navigation. Il serait pratique d'inclure des fonctions telles qu'éditer et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
555 |
supprimer, afin que les détails associés à un contact puissent être |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
556 |
modifiés lorsque c'est nécessaire. Cependant, cela requiert une légère |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
557 |
modification, sous la forme d'énumérations. Au chapitre précédent, nous avions deux |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
558 |
modes: \c {AddingMode} et \c {NavigationMode}, mais ils n'étaient pas |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
559 |
définis en tant qu'énumérations. Au lieu de ça, on activait et désactivait les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
560 |
boutons correspondants manuellement, au prix de multiples redondances dans |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
561 |
le code. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
562 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
563 |
Dans ce chapitre, on définit l'énumération \c Mode avec trois valeurs possibles. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
564 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
565 |
\list |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
566 |
\o \c{NavigationMode}, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
567 |
\o \c{AddingMode}, et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
568 |
\o \c{EditingMode}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
569 |
\endlist |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
570 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
571 |
\section1 Définition de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
572 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
573 |
Le fichier \c addressbook.h est mis a jour pour contenir l'énumération \c Mode : |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
574 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
575 |
\snippet tutorials/addressbook/part4/addressbook.h Mode enum |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
576 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
577 |
On ajoute également deux nouveaux slots, \c editContact() et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
578 |
\c removeContact(), à notre liste de slots publics. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
579 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
580 |
\snippet tutorials/addressbook/part4/addressbook.h edit and remove slots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
581 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
582 |
Afin de basculer d'un mode à l'autre, on introduit la méthode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
583 |
\c updateInterface() pour contrôller l'activation et la désactivation de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
584 |
tous les objets QPushButton. On ajoute également deux nouveaux boutons, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
585 |
\c editButton et \c removeButton, pour les fonctions d'édition |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
586 |
et de suppression mentionnées plus haut. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
587 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
588 |
\snippet tutorials/addressbook/part4/addressbook.h updateInterface() declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
589 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
590 |
\snippet tutorials/addressbook/part4/addressbook.h buttons declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
591 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
592 |
\snippet tutorials/addressbook/part4/addressbook.h mode declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
593 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
594 |
Enfin, on déclare \c currentMode pour garder une trace du mode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
595 |
actuellement utilisé. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
596 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
597 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
598 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
599 |
Il nous faut maintenant implémenter les fonctionnalités de changement de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
600 |
mode de l'application carnet d'adresses. Les boutons \c editButton et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
601 |
\c removeButton sont instanciés et désactivés par défaut, puisque le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
602 |
carnet d'adresses démarre sans aucun contact en mémoire. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
603 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
604 |
\snippet tutorials/addressbook/part4/addressbook.cpp edit and remove buttons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
605 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
606 |
Ces boutons sont ensuite connectés à leurs slots respectifs, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
607 |
\c editContact() et \c removeContact(), avant d'être ajoutés à |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
608 |
\c buttonLayout1. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
609 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
610 |
\snippet tutorials/addressbook/part4/addressbook.cpp connecting edit and remove |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
611 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
612 |
\snippet tutorials/addressbook/part4/addressbook.cpp adding edit and remove to the layout |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
613 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
614 |
La methode \c editContact() place les anciens détails du contact dans |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
615 |
\c oldName et \c oldAddress, avant de basculer vers le mode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
616 |
\c EditingMode. Dans ce mode, les boutons \c submitButton et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
617 |
\c cancelButton sont tous deux activés, l'utilisateur peut par conséquent |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
618 |
modifier les détails du contact et cliquer sur l'un de ces deux boutons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
619 |
par la suite. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
620 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
621 |
\snippet tutorials/addressbook/part4/addressbook.cpp editContact() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
622 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
623 |
La méthode \c submitContact() a été divisée en deux avec un bloc |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
624 |
\c{if-else}. On teste \c currentMode pour voir si le mode courant est |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
625 |
\c AddingMode. Si c'est le cas, on procède à l'ajout. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
626 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
627 |
\snippet tutorials/addressbook/part4/addressbook.cpp submitContact() function beginning |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
628 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
629 |
\snippet tutorials/addressbook/part4/addressbook.cpp submitContact() function part1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
630 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
631 |
Sinon, on s'assure que \c currentMode est en \c EditingMode. Si c'est le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
632 |
cas, on compare \c oldName et \c name. Si le nom a changé, on supprime |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
633 |
l'ancien contact de \c contacts et on insère le contact mis a jour. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
634 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
635 |
\snippet tutorials/addressbook/part4/addressbook.cpp submitContact() function part2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
636 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
637 |
Si seule l'adresse a changé (i.e. \c oldAddress n'est pas identique à |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
638 |
\c address), on met à jour l'adresse du contact. Enfin on règle |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
639 |
\c currentMode à \c NavigationMode. C'est une étape importante puisque |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
640 |
c'est cela qui réactive tous les boutons désactivés. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
641 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
642 |
Afin de retirer un contact du carnet d'adresses, on implémente la méthode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
643 |
\c removeContact(). Cette méthode vérifie que le contact est présent dans |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
644 |
\c contacts. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
645 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
646 |
\snippet tutorials/addressbook/part4/addressbook.cpp removeContact() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
647 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
648 |
Si c'est le cas, on affiche une boîte de dialogue QMessageBox, demandant |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
649 |
confirmation de la suppression à l'utilisateur. Une fois la confirmation |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
650 |
effectuée, on appelle \c previous(), afin de s'assurer que l'interface |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
651 |
utilisateur affiche une autre entrée, et on supprime le contact en |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
652 |
utilisant le méthode \l{QMap::remove()}{remove()} de \l{QMap}. Dans un |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
653 |
souci pratique, on informe l'utilisateur de la suppression par le biais |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
654 |
d'une autre QMessageBox. Les deux boîtes de dialogue utilisées dans cette |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
655 |
méthode sont représentées ci-dessous. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
656 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
657 |
\image addressbook-tutorial-part4-remove.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
658 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
659 |
\section2 Mise à jour de l'Interface utilisateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
660 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
661 |
On a évoqué plus haut la méthode \c updateInterface() comme moyen |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
662 |
d'activer et de désactiver les différents boutons de l'interface en |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
663 |
fonction du mode. Cette méthode met à jour le mode courant selon |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
664 |
l'argument \c mode qui lui est passé, en l'assignant à \c currentMode, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
665 |
avant de tester sa valeur. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
666 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
667 |
Chacun des boutons est ensuite activé ou désactivé, en fonction du mode. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
668 |
Le code source pour les cas \c AddingMode et \c EditingMode est visible |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
669 |
ci-dessous: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
670 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
671 |
\snippet tutorials/addressbook/part4/addressbook.cpp update interface() part 1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
672 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
673 |
Dans le cas de \c NavigationMode, en revanche, des tests conditionnels |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
674 |
sont passés en paramètre de QPushButton::setEnabled(). Ceci permet de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
675 |
s'assurer que les boutons \c editButton et \c removeButton ne sont activés |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
676 |
que s'il existe au moins un contact dans le carnet d'adresses; |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
677 |
\c nextButton et \c previousButton ne sont activés que lorsqu'il existe |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
678 |
plus d'un contact dans le carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
679 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
680 |
\snippet tutorials/addressbook/part4/addressbook.cpp update interface() part 2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
681 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
682 |
En effectuant les opérations de réglage du mode et de mise à jour de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
683 |
l'interface utilisateur au sein de la même méthode, on est à l'abri de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
684 |
l'éventualité où l'interface utilisateur se "désynchronise" de l'état |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
685 |
interne de l'application. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
686 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
687 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
688 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
689 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
690 |
\page tutorials-addressbook-fr-part5.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
691 |
\previouspage {tutorials/addressbook-fr/part4}{Chapitre 4} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
692 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
693 |
\nextpage {tutorials/addressbook-fr/part6}{Chapitre 6} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
694 |
\example tutorials/addressbook-fr/part5 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
695 |
\title Carnet d'adresse 5 - Ajout d'une fonction de recherche |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
696 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
697 |
Dans ce chapitre, nous allons voir les possibilités pour rechercher |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
698 |
des contacts dans le carnet d'adresse. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
699 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
700 |
\image addressbook-tutorial-part5-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
701 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
702 |
Plus nous ajoutons des contacts dans l'application, plus |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
703 |
il devient difficile de naviguer avec les boutons \e Next et \e Previous. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
704 |
Dans ce cas, une fonction de recherche serait plus efficace pour rechercher |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
705 |
les contacts. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
706 |
La capture d'écran ci-dessus montre le bouton de recherche \e Find et sa position |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
707 |
dans le paneau de bouton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
708 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
709 |
Lorsque l'utilisateur clique sur le bouton \e Find, il est courant d'afficher |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
710 |
une boîte de dialogue qui demande à l'utilisateur d'entrer un nom de contact. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
711 |
Qt fournit la classe QDialog, que nous sous-classons dans ce chapitre pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
712 |
implémenter la class \c FindDialog. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
713 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
714 |
\section1 Définition de la classe FindDialog |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
715 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
716 |
\image addressbook-tutorial-part5-finddialog.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
717 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
718 |
Pour sous-classer QDialog, nous commençons par inclure le header de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
719 |
QDialog dans le fichier \c finddialog.h. De plus, nous déclarons les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
720 |
classes QLineEdit et QPushButton car nous utilisons ces widgets dans |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
721 |
notre classe dialogue. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
722 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
723 |
Tout comme dans la classe \c AddressBook, la classe \c FindDialog utilise |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
724 |
la macro Q_OBJECT et son constructeur est défini de façon à accepter |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
725 |
un QWidget parent, même si cette boîte de dialogue sera affichée dans une |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
726 |
fenêtre séparée. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
727 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
728 |
\snippet tutorials/addressbook/part5/finddialog.h FindDialog header |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
729 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
730 |
Nous définissons la méthode publique \c getFindText() pour être utilisée |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
731 |
par les classes qui instancient \c FindDialog, ce qui leur permet d'obtenir |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
732 |
le texte entré par l'utilisateur. Un slot public, \c findClicked(), est |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
733 |
défini pour prendre en charge le texte lorsque l'utilisateur clique sur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
734 |
le bouton \gui Find. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
735 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
736 |
Finalement, nous définissons les variables privées \c findButton, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
737 |
\c lineEdit et \c findText, qui correspondent respectivement au bouton |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
738 |
\gui Find, au champ de texte dans lequel l'utilisateur tape le texte |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
739 |
à rechercher, et à une variable interne stockant le texte pour une |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
740 |
utilisation ultérieure. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
741 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
742 |
\section1 Implémentation de la classe FindDialog |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
743 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
744 |
Dans le constructeur de \c FindDialog, nous instancions les objets des |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
745 |
variables privées \c lineEdit, \c findButton et \c findText. Nous utilisons ensuite |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
746 |
un QHBoxLayout pour positionner les widgets. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
747 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
748 |
\snippet tutorials/addressbook/part5/finddialog.cpp constructor |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
749 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
750 |
Nous mettons en place la mise en page et le titre de la fenêtre, et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
751 |
nous connectons les signaux aux slots. Remarquez que le signal |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
752 |
\l{QPushButton::clicked()}{clicked()} de \c{findButton} est connecté |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
753 |
à \c findClicked() et \l{QDialog::accept()}{accept()}. Le slot |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
754 |
\l{QDialog::accept()}{accept()} fourni par le QDialog ferme |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
755 |
la boîte de dialogue et lui donne le code de retour \l{QDialog::}{Accepted}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
756 |
Nous utilisons cette fonction pour aider la méthode \c findContact() de la classe |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
757 |
\c{AddressBook} à savoir si l'objet \c FindDialog a été fermé. Ceci sera |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
758 |
expliqué plus loin lorsque nous verrons la méthode \c findContact(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
759 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
760 |
\image addressbook-tutorial-part5-signals-and-slots.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
761 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
762 |
Dans \c findClicked(), nous validons le champ de texte pour nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
763 |
assurer que l'utilisateur n'a pas cliqué sur le bouton \gui Find sans |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
764 |
avoir entré un nom de contact. Ensuite, nous stockons le texte du champ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
765 |
d'entrée \c lineEdit dans \c findText. Et finalement nous vidons le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
766 |
contenu de \c lineEdit et cachons la boîte de dialogue. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
767 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
768 |
\snippet tutorials/addressbook/part5/finddialog.cpp findClicked() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
769 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
770 |
La variable \c findText a un accesseur publique associé: \c getFindText(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
771 |
Étant donné que nous ne modifions \c findText directement que dans le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
772 |
constructeur et la méthode \c findClicked(), nous ne créons pas |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
773 |
de manipulateurs associé à \c getFindText(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
774 |
Puisque \c getFindText() est publique, les classes instanciant et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
775 |
utilisant \c FindDialog peuvent toujours accéder à la chaîne de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
776 |
caractères que l'utilisateur a entré et accepté. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
777 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
778 |
\snippet tutorials/addressbook/part5/finddialog.cpp getFindText() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
779 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
780 |
\section1 Définition de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
781 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
782 |
Pour utiliser \c FindDialog depuis la classe \c AddressBook, nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
783 |
incluons \c finddialog.h dans le fichier \c addressbook.h. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
784 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
785 |
\snippet tutorials/addressbook/part5/addressbook.h include finddialog's header |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
786 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
787 |
Jusqu'ici, toutes les fonctionnalités du carnet d'adresses ont un |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
788 |
QPushButton et un slot correspondant. De la même façon, pour la |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
789 |
fonctionnalité \gui Find, nous avons \c findButton et \c findContact(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
790 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
791 |
Le \c findButton est déclaré comme une variable privée et la |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
792 |
méthode \c findContact() est déclarée comme un slot public. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
793 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
794 |
\snippet tutorials/addressbook/part5/addressbook.h findContact() declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
795 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
796 |
\snippet tutorials/addressbook/part5/addressbook.h findButton declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
797 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
798 |
Finalement, nous déclarons la variable privée \c dialog que nous allons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
799 |
utiliser pour accéder à une instance de \c FindDialog. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
800 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
801 |
\snippet tutorials/addressbook/part5/addressbook.h FindDialog declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
802 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
803 |
Une fois que nous avons instancié la boîte de dialogue, nous voulons l'utiliser |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
804 |
plus qu'une fois. Utiliser une variable privée nous permet d'y référer |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
805 |
à plus d'un endroit dans la classe. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
806 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
807 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
808 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
809 |
Dans le constructeur de \c AddressBook, nous instancions nos objets privés, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
810 |
\c findbutton et \c findDialog: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
811 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
812 |
\snippet tutorials/addressbook/part5/addressbook.cpp instantiating findButton |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
813 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
814 |
\snippet tutorials/addressbook/part5/addressbook.cpp instantiating FindDialog |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
815 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
816 |
Ensuite, nous connectons le signal \l{QPushButton::clicked()}{clicked()} de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
817 |
\c{findButton} à \c findContact(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
818 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
819 |
\snippet tutorials/addressbook/part5/addressbook.cpp signals and slots for find |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
820 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
821 |
Maintenant, tout ce qui manque est le code de notre méthode \c findContact(): |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
822 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
823 |
\snippet tutorials/addressbook/part5/addressbook.cpp findContact() function |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
824 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
825 |
Nous commençons par afficher l'instance de \c FindDialog, \c dialog. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
826 |
L'utilisateur peut alors entrer le nom du contact à rechercher. Lorsque |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
827 |
l'utilisateur clique sur le bouton \c findButton, la boîte de dialogue est |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
828 |
masquée et le code de retour devient QDialog::Accepted. Ce code de retour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
829 |
vient remplir la condition du premier if. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
830 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
831 |
Ensuite, nous extrayons le texte que nous utiliserons pour la recherche, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
832 |
il s'agit ici de \c contactName obtenu à l'aide de la méthode \c getFindText() |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
833 |
de \c FindDialog. Si le contact existe dans le carnet d'adresse, nous |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
834 |
l'affichons directement. Sinon, nous affichons le QMessageBox suivant pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
835 |
indiquer que la recherche à échouée. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
836 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
837 |
\image addressbook-tutorial-part5-notfound.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
838 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
839 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
840 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
841 |
\page tutorials-addressbook-part6.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
842 |
\previouspage {tutorials/addressbook-fr/part5}{Chapitre 5} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
843 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
844 |
\nextpage {tutorials/addressbook-fr/part7}{Chapitre 7} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
845 |
\example tutorials/addressbook-fr/part6 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
846 |
\title Carnet d'Adresses 6 - Sauvegarde et chargement |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
847 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
848 |
Ce chapitre couvre les fonctionnalités de gestion des fichiers de Qt que |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
849 |
l'on utilise pour écrire les procédures de sauvegarde et chargement pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
850 |
l'application carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
851 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
852 |
\image addressbook-tutorial-part6-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
853 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
854 |
Bien que la navigation et la recherche de contacts soient des |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
855 |
fonctionnalités importantes, notre carnet d'adresses ne sera pleinement |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
856 |
utilisable qu'une fois que l'on pourra sauvegarder les contacts existants |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
857 |
et les charger à nouveau par la suite. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
858 |
Qt fournit de nombreuses classes pour gérer les \l{Input/Output and |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
859 |
Networking}{entrées et sorties}, mais nous avons choisi de nous contenter d'une |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
860 |
combinaison de deux classes simples à utiliser ensemble: QFile et QDataStream. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
861 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
862 |
Un objet QFile représente un fichier sur le disque qui peut être lu, et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
863 |
dans lequel on peut écrire. QFile est une classe fille de la classe plus |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
864 |
générique QIODevice, qui peut représenter différents types de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
865 |
périphériques. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
866 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
867 |
Un objet QDataStream est utilisé pour sérialiser des données binaires |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
868 |
dans le but de les passer à un QIODevice pour les récupérer dans le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
869 |
futur. Pour lire ou écrire dans un QIODevice, il suffit d'ouvrir le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
870 |
flux, avec le périphérique approprié en paramètre, et d'y lire ou |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
871 |
écrire. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
872 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
873 |
\section1 Définition de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
874 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
875 |
On déclare deux slots publics, \c saveToFile() et \c loadFromFile(), |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
876 |
ainsi que deux objets QPushButton, \c loadButton et \c saveButton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
877 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
878 |
\snippet tutorials/addressbook/part6/addressbook.h save and load functions declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
879 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
880 |
\snippet tutorials/addressbook/part6/addressbook.h save and load buttons declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
881 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
882 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
883 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
884 |
Dans notre constructeur, on instancie \c loadButton et \c saveButton. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
885 |
Idéalement, l'interface serait plus conviviale avec des boutons |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
886 |
affichant "Load contacts from a file" et "Save contacts to a file". Mais |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
887 |
compte tenu de la dimension des autres boutons, on initialise les labels |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
888 |
des boutons à \gui{Load...} et \gui{Save...}. Heureusement, Qt offre une |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
889 |
façon simple d'ajouter des info-bulles avec |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
890 |
\l{QWidget::setToolTip()}{setToolTip()}, et nous l'exploitons de la façon |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
891 |
suivante pour nos boutons: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
892 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
893 |
\snippet tutorials/addressbook/part6/addressbook.cpp tooltip 1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
894 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
895 |
\snippet tutorials/addressbook/part6/addressbook.cpp tooltip 2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
896 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
897 |
Bien qu'on ne cite pas le code correspondant ici, nous ajoutons ces deux boutons au |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
898 |
layout de droite, \c button1Layout, comme pour les fonctionnalités précédentes, et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
899 |
nous connectons leurs signaux |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
900 |
\l{QPushButton::clicked()}{clicked()} à leurs slots respectifs. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
901 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
902 |
Pour la sauvegarde, on commence par récupérer le nom de fichier |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
903 |
\c fileName, en utilisant QFileDialog::getSaveFileName(). C'est une |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
904 |
méthode pratique fournie par QFileDialog, qui ouvre une boîte de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
905 |
dialogue modale et permet à l'utilisateur d'entrer un nom de fichier ou |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
906 |
de choisir un fichier \c{.abk} existant. Les fichiers \c{.abk} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
907 |
correspondent à l'extension choisie pour la sauvegarde des contacts de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
908 |
notre carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
909 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
910 |
\snippet tutorials/addressbook/part6/addressbook.cpp saveToFile() function part1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
911 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
912 |
La boîte de dialogue affichée est visible sur la capture d'écran ci- |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
913 |
dessous. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
914 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
915 |
\image addressbook-tutorial-part6-save.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
916 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
917 |
Si \c fileName n'est pas vide, on crée un objet QFile, \c file, à partir |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
918 |
de \c fileName. QFile fonctionne avec QDataStream puisqu'il dérive de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
919 |
QIODevice. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
920 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
921 |
Ensuite, on essaie d'ouvrir le fichier en écriture, ce qui correspond au |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
922 |
mode \l{QIODevice::}{WriteOnly}. Si cela échoue, on en informe |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
923 |
l'utilisateur avec une QMessageBox. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
924 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
925 |
\snippet tutorials/addressbook/part6/addressbook.cpp saveToFile() function part2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
926 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
927 |
Dans le cas contraire, on instancie un objet QDataStream, \c out, afin |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
928 |
d'écrire dans le fichier ouvert. QDataStream nécessite que la même |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
929 |
version de flux soit utilisée pour la lecture et l'écriture. On s'assure |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
930 |
que c'est le cas en spécifiant explicitement d'utiliser la |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
931 |
\l{QDataStream::Qt_4_5}{version introduite avec Qt 4.5} avant de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
932 |
sérialiser les données vers le fichier \c file. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
933 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
934 |
\snippet tutorials/addressbook/part6/addressbook.cpp saveToFile() function part3 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
935 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
936 |
Pour le chargement, on récupère également \c fileName en utilisant |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
937 |
QFileDialog::getOpenFileName(). Cette méthode est l'homologue de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
938 |
QFileDialog::getSaveFileName() et affiche également une boîte de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
939 |
dialogue modale permettant à l'utilisateur d'entrer un nom de fichier ou |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
940 |
de selectionner un fichier \c{.abk} existant, afin de le charger dans le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
941 |
carnet d'adresses. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
942 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
943 |
\snippet tutorials/addressbook/part6/addressbook.cpp loadFromFile() function part1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
944 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
945 |
Sous Windows, par exemple, cette méthode affiche une boîte de dialogue |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
946 |
native pour la sélection de fichier, comme illustré sur la capture |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
947 |
d'écran suivante: |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
948 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
949 |
\image addressbook-tutorial-part6-load.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
950 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
951 |
Si \c fileName n'est pas vide, on utilise une fois de plus un objet |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
952 |
QFile, \c file, et on tente de l'ouvrir en lecture, avec le mode |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
953 |
\l{QIODevice::}{ReadOnly}. De même que précédemment dans notre |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
954 |
implémentation de \c saveToFile(), si cette tentative s'avère |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
955 |
infructueuse, on en informe l'utilisateur par le biais d'une |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
956 |
QMessageBox. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
957 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
958 |
\snippet tutorials/addressbook/part6/addressbook.cpp loadFromFile() function part2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
959 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
960 |
Dans le cas contraire, on instancie un objet QDataStream, \c in, en |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
961 |
spécifiant la version à utiliser comme précédemment, et on lit les |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
962 |
informations sérialisées vers la structure de données \c contacts. Notez |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
963 |
qu'on purge \c contacts avant d'y mettre les informations lues afin de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
964 |
simplifier le processus de lecture de fichier. Une façon plus avancée de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
965 |
procéder serait de lire les contacts dans un objet QMap temporaire, et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
966 |
de copier uniquement les contacts n'existant pas encore dans |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
967 |
\c contacts. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
968 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
969 |
\snippet tutorials/addressbook/part6/addressbook.cpp loadFromFile() function part3 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
970 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
971 |
Pour afficher les contacts lus depuis le fichier, on doit d'abord |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
972 |
valider les données obtenues afin de s'assurer que le fichier lu |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
973 |
contient effectivement des entrées de carnet d'adresses. Si c'est le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
974 |
cas, on affiche le premier contact; sinon on informe l'utilisateur du |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
975 |
problème par une QMessageBox. Enfin, on met à jour l'interface afin |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
976 |
d'activer et de désactiver les boutons de façon appropriée. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
977 |
*/ |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
978 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
979 |
/*! |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
980 |
\page tutorials-addressbook-fr-part7.html |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
981 |
\previouspage {tutorials/addressbook-fr/part6}{Chapitre 6} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
982 |
\contentspage {Tutoriel "Carnet d'adresses"}{Sommaire} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
983 |
\example tutorials/addressbook-fr/part7 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
984 |
\title Carnet d'adresse 7 - Fonctionnalités avancées |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
985 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
986 |
Ce chapitre couvre quelques fonctionnalités additionnelles qui |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
987 |
feront de notre carnet d'adresses une application plus pratique |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
988 |
pour une utilisation quotidienne. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
989 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
990 |
\image addressbook-tutorial-part7-screenshot.png |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
991 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
992 |
Bien que notre application carnet d'adresses soit utile en tant que telle, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
993 |
il serait pratique de pouvoir échanger les contacts avec d'autres applications. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
994 |
Le format vCard est un un format de fichier populaire pour échanger |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
995 |
ce type de données. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
996 |
Dans ce chapitre, nous étendrons notre carnet d'adresses pour permettre |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
997 |
d'exporter des contacts dans des fichiers vCard \c{.vcf}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
998 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
999 |
\section1 Définition de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1000 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1001 |
Nous ajoutons un objet QPushButton, \c exportButton, et un slot |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1002 |
public correspondant, \c exportAsVCard(), à notre classe \c AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1003 |
dans le fichier \c addressbook.h. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1004 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1005 |
\snippet tutorials/addressbook/part7/addressbook.h exportAsVCard() declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1006 |
\dots |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1007 |
\snippet tutorials/addressbook/part7/addressbook.h exportButton declaration |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1008 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1009 |
\section1 Implémentation de la classe AddressBook |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1010 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1011 |
Dans le constructeur de \c AddressBook, nous connectons le signal |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1012 |
\l{QPushButton::clicked()}{clicked()} de \c{exportButton} au slot |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1013 |
\c exportAsVCard(). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1014 |
Nous ajoutons aussi ce bouton à \c buttonLayout1, le layout responsable |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1015 |
du groupe de boutons sur la droite. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1016 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1017 |
Dans la méthode \c exportAsVCard(), nous commençons par extraire le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1018 |
nom du contact dans \n name. Nous déclarons \c firstname, \c lastName et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1019 |
\c nameList. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1020 |
Ensuite, nous cherchons la position du premier espace blanc de \c name. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1021 |
Si il y a un espace, nous séparons le nom du contact en \c firstName et |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1022 |
\c lastName. Finalement, nous remplaçons l'espace par un underscore ("_"). |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1023 |
Si il n'y a pas d'espace, nous supposons que le contact ne comprend que |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1024 |
le prénom. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1025 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1026 |
\snippet tutorials/addressbook/part7/addressbook.cpp export function part1 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1027 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1028 |
Comme pour la méthode \c saveToFile(), nous ouvrons une boîte de dialogue |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1029 |
pour donner la possibilité à l'utilisateur de choisir un emplacement pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1030 |
le fichier. Avec le nom de fichier choisi, nous créons une instance de QFile |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1031 |
pour y écrire. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1032 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1033 |
Nous essayons d'ouvrir le fichier en mode \l{QIODevice::}{WriteOnly}. Si |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1034 |
cela échoue, nous affichons un QMessageBox pour informer l'utilisateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1035 |
à propos de l'origine du problème et nous quittons la méthode. Sinon, nous passons le |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1036 |
fichier comme paramètre pour créer un objet QTextStream, \c out. De la même façon que |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1037 |
QDataStream, la classe QTextStream fournit les fonctionnalités pour |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1038 |
lire et écrire des fichiers de texte. Grâce à celà, le fichier \c{.vcf} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1039 |
généré pourra être ouvert et édité à l'aide d'un simple éditeur de texte. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1040 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1041 |
\snippet tutorials/addressbook/part7/addressbook.cpp export function part2 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1042 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1043 |
Nous écrivons ensuite un fichier vCard avec la balise \c{BEGIN:VCARD}, |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1044 |
suivit par \c{VERSION:2.1}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1045 |
Le nom d'un contact est écrit à l'aide de la balise \c{N:}. Pour la balise |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1046 |
\c{FN:}, qui remplit le titre du contact, nous devons vérifier si le contact |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1047 |
à un nom de famille défini ou non. Si oui, nous utilions les détails de |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1048 |
\c nameList pour remplir le champ, dans le cas contraire on écrit uniquement le contenu |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1049 |
de \c firstName. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1050 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1051 |
\snippet tutorials/addressbook/part7/addressbook.cpp export function part3 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1052 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1053 |
Nous continuons en écrivant l'adresse du contact. Les points-virgules |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1054 |
dans l'adresse sont échappés à l'aide de "\\", les retours de ligne sont |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1055 |
remplacés par des points-virgules, et les vigules sont remplacées par des espaces. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1056 |
Finalement nous écrivons les balises \c{ADR;HOME:;} suivies par l'adresse |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1057 |
et la balise \c{END:VCARD}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1058 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1059 |
\snippet tutorials/addressbook/part7/addressbook.cpp export function part4 |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1060 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1061 |
À la fin de la méthode, un QMessageBox est affiché pour informer l'utilisateur |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1062 |
que la vCard a été exportée avec succès. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1063 |
|
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1064 |
\e{vCard est une marque déposée de \l{http://www.imc.org} |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1065 |
{Internet Mail Consortium}}. |
3f74d0d4af4c
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff
changeset
|
1066 |
*/ |