source: trunk/examples/tutorials/addressbook-fr/part7/addressbook.cpp@ 651

Last change on this file since 651 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 13.4 KB
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1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the examples of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
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30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
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37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtGui>
43#include "addressbook.h"
44
45AddressBook::AddressBook(QWidget *parent)
46 : QWidget(parent)
47{
48 QLabel *nameLabel = new QLabel(tr("Name:"));
49 nameLine = new QLineEdit;
50 nameLine->setReadOnly(true);
51
52 QLabel *addressLabel = new QLabel(tr("Address:"));
53 addressText = new QTextEdit;
54 addressText->setReadOnly(true);
55
56 addButton = new QPushButton(tr("&Add"));
57
58 editButton = new QPushButton(tr("&Edit"));
59 editButton->setEnabled(false);
60 removeButton = new QPushButton(tr("&Remove"));
61 removeButton->setEnabled(false);
62 findButton = new QPushButton(tr("&Find"));
63 findButton->setEnabled(false);
64 submitButton = new QPushButton(tr("&Submit"));
65 submitButton->hide();
66 cancelButton = new QPushButton(tr("&Cancel"));
67 cancelButton->hide();
68
69 nextButton = new QPushButton(tr("&Next"));
70 nextButton->setEnabled(false);
71 previousButton = new QPushButton(tr("&Previous"));
72 previousButton->setEnabled(false);
73
74 loadButton = new QPushButton(tr("&Load..."));
75 loadButton->setToolTip(tr("Load contacts from a file"));
76 saveButton = new QPushButton(tr("Sa&ve..."));
77 saveButton->setToolTip(tr("Save contacts to a file"));
78 saveButton->setEnabled(false);
79
80 exportButton = new QPushButton(tr("E&xport"));
81 exportButton->setToolTip(tr("Export as vCard"));
82 exportButton->setEnabled(false);
83
84 dialog = new FindDialog;
85
86 connect(addButton, SIGNAL(clicked()), this, SLOT(addContact()));
87 connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact()));
88 connect(editButton, SIGNAL(clicked()), this, SLOT(editContact()));
89 connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel()));
90 connect(removeButton, SIGNAL(clicked()), this, SLOT(removeContact()));
91 connect(findButton, SIGNAL(clicked()), this, SLOT(findContact()));
92 connect(nextButton, SIGNAL(clicked()), this, SLOT(next()));
93 connect(previousButton, SIGNAL(clicked()), this, SLOT(previous()));
94 connect(loadButton, SIGNAL(clicked()), this, SLOT(loadFromFile()));
95 connect(saveButton, SIGNAL(clicked()), this, SLOT(saveToFile()));
96 connect(exportButton, SIGNAL(clicked()), this, SLOT(exportAsVCard()));
97
98 QVBoxLayout *buttonLayout1 = new QVBoxLayout;
99 buttonLayout1->addWidget(addButton);
100 buttonLayout1->addWidget(editButton);
101 buttonLayout1->addWidget(removeButton);
102 buttonLayout1->addWidget(findButton);
103 buttonLayout1->addWidget(submitButton);
104 buttonLayout1->addWidget(cancelButton);
105 buttonLayout1->addWidget(loadButton);
106 buttonLayout1->addWidget(saveButton);
107 buttonLayout1->addWidget(exportButton);
108 buttonLayout1->addStretch();
109
110 QHBoxLayout *buttonLayout2 = new QHBoxLayout;
111 buttonLayout2->addWidget(previousButton);
112 buttonLayout2->addWidget(nextButton);
113
114 QGridLayout *mainLayout = new QGridLayout;
115 mainLayout->addWidget(nameLabel, 0, 0);
116 mainLayout->addWidget(nameLine, 0, 1);
117 mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
118 mainLayout->addWidget(addressText, 1, 1);
119 mainLayout->addLayout(buttonLayout1, 1, 2);
120 mainLayout->addLayout(buttonLayout2, 2, 1);
121
122 setLayout(mainLayout);
123 setWindowTitle(tr("Simple Address Book"));
124}
125
126void AddressBook::addContact()
127{
128 oldName = nameLine->text();
129 oldAddress = addressText->toPlainText();
130
131 nameLine->clear();
132 addressText->clear();
133
134 updateInterface(AddingMode);
135}
136
137void AddressBook::editContact()
138{
139 oldName = nameLine->text();
140 oldAddress = addressText->toPlainText();
141
142 updateInterface(EditingMode);
143}
144
145void AddressBook::submitContact()
146{
147 QString name = nameLine->text();
148 QString address = addressText->toPlainText();
149
150 if (name == "" || address == "") {
151 QMessageBox::information(this, tr("Empty Field"),
152 tr("Please enter a name and address."));
153 }
154
155 if (currentMode == AddingMode) {
156
157 if (!contacts.contains(name)) {
158 contacts.insert(name, address);
159 QMessageBox::information(this, tr("Add Successful"),
160 tr("\"%1\" has been added to your address book.").arg(name));
161 } else {
162 QMessageBox::information(this, tr("Add Unsuccessful"),
163 tr("Sorry, \"%1\" is already in your address book.").arg(name));
164 }
165 } else if (currentMode == EditingMode) {
166
167 if (oldName != name) {
168 if (!contacts.contains(name)) {
169 QMessageBox::information(this, tr("Edit Successful"),
170 tr("\"%1\" has been edited in your address book.").arg(oldName));
171 contacts.remove(oldName);
172 contacts.insert(name, address);
173 } else {
174 QMessageBox::information(this, tr("Edit Unsuccessful"),
175 tr("Sorry, \"%1\" is already in your address book.").arg(name));
176 }
177 } else if (oldAddress != address) {
178 QMessageBox::information(this, tr("Edit Successful"),
179 tr("\"%1\" has been edited in your address book.").arg(name));
180 contacts[name] = address;
181 }
182 }
183
184 updateInterface(NavigationMode);
185}
186
187void AddressBook::cancel()
188{
189 nameLine->setText(oldName);
190 addressText->setText(oldAddress);
191 updateInterface(NavigationMode);
192}
193
194void AddressBook::removeContact()
195{
196 QString name = nameLine->text();
197 QString address = addressText->toPlainText();
198
199 if (contacts.contains(name)) {
200
201 int button = QMessageBox::question(this,
202 tr("Confirm Remove"),
203 tr("Are you sure you want to remove \"%1\"?").arg(name),
204 QMessageBox::Yes | QMessageBox::No);
205
206 if (button == QMessageBox::Yes) {
207
208 previous();
209 contacts.remove(name);
210
211 QMessageBox::information(this, tr("Remove Successful"),
212 tr("\"%1\" has been removed from your address book.").arg(name));
213 }
214 }
215
216 updateInterface(NavigationMode);
217}
218
219void AddressBook::next()
220{
221 QString name = nameLine->text();
222 QMap<QString, QString>::iterator i = contacts.find(name);
223
224 if (i != contacts.end())
225 i++;
226
227 if (i == contacts.end())
228 i = contacts.begin();
229
230 nameLine->setText(i.key());
231 addressText->setText(i.value());
232}
233
234void AddressBook::previous()
235{
236 QString name = nameLine->text();
237 QMap<QString, QString>::iterator i = contacts.find(name);
238
239 if (i == contacts.end()) {
240 nameLine->clear();
241 addressText->clear();
242 return;
243 }
244
245 if (i == contacts.begin())
246 i = contacts.end();
247
248 i--;
249 nameLine->setText(i.key());
250 addressText->setText(i.value());
251}
252
253void AddressBook::findContact()
254{
255 dialog->show();
256
257 if (dialog->exec() == 1) {
258 QString contactName = dialog->getFindText();
259
260 if (contacts.contains(contactName)) {
261 nameLine->setText(contactName);
262 addressText->setText(contacts.value(contactName));
263 } else {
264 QMessageBox::information(this, tr("Contact Not Found"),
265 tr("Sorry, \"%1\" is not in your address book.").arg(contactName));
266 return;
267 }
268 }
269
270 updateInterface(NavigationMode);
271}
272void AddressBook::updateInterface(Mode mode)
273{
274 currentMode = mode;
275
276 switch (currentMode) {
277
278 case AddingMode:
279 case EditingMode:
280
281 nameLine->setReadOnly(false);
282 nameLine->setFocus(Qt::OtherFocusReason);
283 addressText->setReadOnly(false);
284
285 addButton->setEnabled(false);
286 editButton->setEnabled(false);
287 removeButton->setEnabled(false);
288
289 nextButton->setEnabled(false);
290 previousButton->setEnabled(false);
291
292 submitButton->show();
293 cancelButton->show();
294
295 loadButton->setEnabled(false);
296 saveButton->setEnabled(false);
297 exportButton->setEnabled(false);
298 break;
299
300 case NavigationMode:
301
302 if (contacts.isEmpty()) {
303 nameLine->clear();
304 addressText->clear();
305 }
306
307 nameLine->setReadOnly(true);
308 addressText->setReadOnly(true);
309 addButton->setEnabled(true);
310
311 int number = contacts.size();
312 editButton->setEnabled(number >= 1);
313 removeButton->setEnabled(number >= 1);
314 findButton->setEnabled(number > 2);
315 nextButton->setEnabled(number > 1);
316 previousButton->setEnabled(number > 1);
317
318 submitButton->hide();
319 cancelButton->hide();
320
321 exportButton->setEnabled(number >= 1);
322
323 loadButton->setEnabled(true);
324 saveButton->setEnabled(number >= 1);
325 break;
326 }
327}
328
329void AddressBook::saveToFile()
330{
331 QString fileName = QFileDialog::getSaveFileName(this,
332 tr("Save Address Book"), "",
333 tr("Address Book (*.abk);;All Files (*)"));
334
335 if (fileName.isEmpty())
336 return;
337 else {
338 QFile file(fileName);
339
340 if (!file.open(QIODevice::WriteOnly)) {
341 QMessageBox::information(this, tr("Unable to open file"),
342 file.errorString());
343 return;
344 }
345
346 QDataStream out(&file);
347 out.setVersion(QDataStream::Qt_4_3);
348 out << contacts;
349 }
350
351 updateInterface(NavigationMode);
352}
353
354void AddressBook::loadFromFile()
355{
356 QString fileName = QFileDialog::getOpenFileName(this,
357 tr("Open Address Book"), "",
358 tr("Address Book (*.abk);;All Files (*)"));
359
360 if (fileName.isEmpty())
361 return;
362 else {
363 QFile file(fileName);
364
365 if (!file.open(QIODevice::ReadOnly)) {
366 QMessageBox::information(this, tr("Unable to open file"),
367 file.errorString());
368 return;
369 }
370
371 QDataStream in(&file);
372 in.setVersion(QDataStream::Qt_4_3);
373 contacts.empty(); // empty existing contacts
374 in >> contacts;
375
376 QMap<QString, QString>::iterator i = contacts.begin();
377 nameLine->setText(i.key());
378 addressText->setText(i.value());
379 }
380
381 updateInterface(NavigationMode);
382}
383
384//! [export function part1]
385void AddressBook::exportAsVCard()
386{
387 QString name = nameLine->text();
388 QString address = addressText->toPlainText();
389 QString firstName;
390 QString lastName;
391 QStringList nameList;
392
393 int index = name.indexOf(" ");
394
395 if (index != -1) {
396 nameList = name.split(QRegExp("\\s+"), QString::SkipEmptyParts);
397 firstName = nameList.first();
398 lastName = nameList.last();
399 } else {
400 firstName = name;
401 lastName = "";
402 }
403
404 QString fileName = QFileDialog::getSaveFileName(this,
405 tr("Export Contact"), "",
406 tr("vCard Files (*.vcf);;All Files (*)"));
407
408 if (fileName.isEmpty())
409 return;
410
411 QFile file(fileName);
412//! [export function part1]
413
414//! [export function part2]
415 if (!file.open(QIODevice::WriteOnly)) {
416 QMessageBox::information(this, tr("Unable to open file"),
417 file.errorString());
418 return;
419 }
420
421 QTextStream out(&file);
422//! [export function part2]
423
424//! [export function part3]
425 out << "BEGIN:VCARD" << "\n";
426 out << "VERSION:2.1" << "\n";
427 out << "N:" << lastName << ";" << firstName << "\n";
428
429 if (!nameList.isEmpty())
430 out << "FN:" << nameList.join(" ") << "\n";
431 else
432 out << "FN:" << firstName << "\n";
433//! [export function part3]
434
435//! [export function part4]
436 address.replace(";", "\\;", Qt::CaseInsensitive);
437 address.replace("\n", ";", Qt::CaseInsensitive);
438 address.replace(",", " ", Qt::CaseInsensitive);
439
440 out << "ADR;HOME:;" << address << "\n";
441 out << "END:VCARD" << "\n";
442
443 QMessageBox::information(this, tr("Export Successful"),
444 tr("\"%1\" has been exported as a vCard.").arg(name));
445}
446//! [export function part4]
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