doc/examples/addressbook-sdk/part7/addressbook.cpp

   1 /**************************************************************************
   2 **
   3 ** This file is part of Qt Creator
   4 **
   5 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
   6 **
   7 ** Contact: Nokia Corporation (qt-info@nokia.com)
   8 **
   9 ** You may use this file under the terms of the BSD license as follows:
  10 **
  11 ** "Redistribution and use in source and binary forms, with or without
  12 ** modification, are permitted provided that the following conditions are
  13 ** met:
  14 **   * Redistributions of source code must retain the above copyright
  15 **     notice, this list of conditions and the following disclaimer.
  16 **   * Redistributions in binary form must reproduce the above copyright
  17 **     notice, this list of conditions and the following disclaimer in
  18 **     the documentation and/or other materials provided with the
  19 **     distribution.
  20 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
  21 **     the names of its contributors may be used to endorse or promote
  22 **     products derived from this software without specific prior written
  23 **     permission.
  24 **
  25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  36 **
  37 **************************************************************************/
  38
  39 #include <QFileDialog>
  40 #include <QTextStream>
  41
  42 #include "addressbook.h"
  43 #include "ui_addressbook.h"
  44
  45 AddressBook::AddressBook(QWidget *parent)
  46     : QWidget(parent), ui(new Ui::AddressBook)
  47 {
  48     ui->setupUi(this);
  49
  50     ui->nameLine->setReadOnly(true);
  51     ui->addressText->setReadOnly(true);
  52     ui->submitButton->hide();
  53     ui->cancelButton->hide();
  54     ui->nextButton->setEnabled(false);
  55     ui->previousButton->setEnabled(false);
  56     ui->editButton->setEnabled(false);
  57     ui->removeButton->setEnabled(false);
  58
  59     connect(ui->addButton, SIGNAL(clicked()), this,
  60                 SLOT(addContact()));
  61     connect(ui->submitButton, SIGNAL(clicked()), this,
  62                 SLOT(submitContact()));
  63     connect(ui->cancelButton, SIGNAL(clicked()), this,
  64                 SLOT(cancel()));
  65     connect(ui->nextButton, SIGNAL(clicked()), this,
  66                 SLOT(next()));
  67     connect(ui->previousButton, SIGNAL(clicked()), this,
  68                 SLOT(previous()));
  69     connect(ui->editButton, SIGNAL(clicked()), this,
  70                 SLOT(editContact()));
  71     connect(ui->removeButton, SIGNAL(clicked()), this,
  72                 SLOT(removeContact()));
  73     connect(ui->findButton, SIGNAL(clicked()), this,
  74                 SLOT(findContact()));
  75     connect(ui->exportButton, SIGNAL(clicked()), this,
  76                 SLOT(exportAsVCard()));
  77
  78     setWindowTitle(tr("Simple Address Book"));
  79 }
  80
  81 AddressBook::~AddressBook()
  82 {
  83     delete ui;
  84 }
  85
  86 void AddressBook::addContact()
  87 {
  88     oldName = ui->nameLine->text();
  89     oldAddress = ui->addressText->toPlainText();
  90
  91     ui->nameLine->clear();
  92     ui->addressText->clear();
  93
  94     updateInterface(AddingMode);
  95 }
  96
  97 void AddressBook::submitContact()
  98 {
  99     QString name = ui->nameLine->text();
 100     QString address = ui->addressText->toPlainText();
 101
 102     if (name == "" || address == "") {
 103         QMessageBox::information(this, tr("Empty Field"),
 104             tr("Please enter a name and address."));
 105         updateInterface(NavigationMode);
 106         return;
 107     }
 108
 109     if (currentMode == AddingMode) {
 110
 111         if (!contacts.contains(name)) {
 112             contacts.insert(name, address);
 113             QMessageBox::information(this, tr("Add Successful"),
 114                 tr("\"%1\" has been added to your address book.").arg(name));
 115         } else {
 116             QMessageBox::information(this, tr("Add Unsuccessful"),
 117                 tr("Sorry, \"%1\" is already in your address book.").arg(name));
 118         }
 119
 120     } else if (currentMode == EditingMode) {
 121
 122         if (oldName != name) {
 123             if (!contacts.contains(name)) {
 124                 QMessageBox::information(this, tr("Edit Successful"),
 125                     tr("\"%1\" has been edited in your address book.").arg(oldName));
 126                 contacts.remove(oldName);
 127                 contacts.insert(name, address);
 128             } else  {
 129                 QMessageBox::information(this, tr("Edit Unsuccessful"),
 130                     tr("Sorry, \"%1\" is already in your address book.").arg(name));
 131             }
 132         } else if (oldAddress != address) {
 133             QMessageBox::information(this, tr("Edit Successful"),
 134                 tr("\"%1\" has been edited in your address book.").arg(name));
 135             contacts[name] = address;
 136         }
 137     }
 138     updateInterface(NavigationMode);
 139 }
 140
 141 void AddressBook::cancel()
 142 {
 143     ui->nameLine->setText(oldName);
 144     ui->nameLine->setReadOnly(true);
 145
 146     updateInterface(NavigationMode);
 147 }
 148
 149 void AddressBook::next()
 150 {
 151     QString name = ui->nameLine->text();
 152     QMap<QString, QString>::iterator i = contacts.find(name);
 153
 154     if (i != contacts.end())
 155         i++;
 156     if (i == contacts.end())
 157         i = contacts.begin();
 158
 159     ui->nameLine->setText(i.key());
 160     ui->addressText->setText(i.value());
 161 }
 162
 163 void AddressBook::previous()
 164 {
 165     QString name = ui->nameLine->text();
 166     QMap<QString, QString>::iterator i = contacts.find(name);
 167
 168     if (i == contacts.end()) {
 169         ui->nameLine->clear();
 170         ui->addressText->clear();
 171         return;
 172     }
 173
 174     if (i == contacts.begin())
 175         i = contacts.end();
 176
 177     i--;
 178     ui->nameLine->setText(i.key());
 179     ui->addressText->setText(i.value());
 180 }
 181
 182 void AddressBook::editContact()
 183 {
 184     oldName = ui->nameLine->text();
 185     oldAddress = ui->addressText->toPlainText();
 186
 187     updateInterface(EditingMode);
 188 }
 189
 190 void AddressBook::removeContact()
 191 {
 192     QString name = ui->nameLine->text();
 193     QString address = ui->addressText->toPlainText();
 194
 195     if (contacts.contains(name)) {
 196         int button = QMessageBox::question(this,
 197             tr("Confirm Remove"),
 198             tr("Are you sure you want to remove \"%1\"?").arg(name),
 199             QMessageBox::Yes | QMessageBox::No);
 200
 201         if (button == QMessageBox::Yes) {
 202             previous();
 203             contacts.remove(name);
 204
 205             QMessageBox::information(this, tr("Remove Successful"),
 206                 tr("\"%1\" has been removed from your address book.").arg(name));
 207         }
 208     }
 209
 210     updateInterface(NavigationMode);
 211 }
 212
 213 void AddressBook::updateInterface(Mode mode)
 214 {
 215     currentMode = mode;
 216
 217     switch (currentMode) {
 218
 219     case AddingMode:
 220     case EditingMode:
 221
 222         ui->nameLine->setReadOnly(false);
 223         ui->nameLine->setFocus(Qt::OtherFocusReason);
 224         ui->addressText->setReadOnly(false);
 225
 226         ui->addButton->setEnabled(false);
 227         ui->editButton->setEnabled(false);
 228         ui->removeButton->setEnabled(false);
 229
 230         ui->nextButton->setEnabled(false);
 231         ui->previousButton->setEnabled(false);
 232
 233         ui->submitButton->show();
 234         ui->cancelButton->show();
 235         break;
 236
 237     case NavigationMode:
 238
 239         if (contacts.isEmpty()) {
 240             ui->nameLine->clear();
 241             ui->addressText->clear();
 242         }
 243
 244         ui->nameLine->setReadOnly(true);
 245         ui->addressText->setReadOnly(true);
 246         ui->addButton->setEnabled(true);
 247
 248         int number = contacts.size();
 249         ui->editButton->setEnabled(number >= 1);
 250         ui->removeButton->setEnabled(number >= 1);
 251         ui->findButton->setEnabled(number > 2);
 252         ui->nextButton->setEnabled(number > 1);
 253         ui->previousButton->setEnabled(number >1);
 254
 255         ui->submitButton->hide();
 256         ui->cancelButton->hide();
 257         break;
 258     }
 259 }
 260
 261 void AddressBook::findContact()
 262 {
 263     FindDialog dialog;
 264
 265     if (dialog.exec() == QDialog::Accepted) {
 266         QString contactName = dialog.findText();
 267
 268         if (contacts.contains(contactName)) {
 269             ui->nameLine->setText(contactName);
 270             ui->addressText->setText(contacts.value(contactName));
 271         } else {
 272             QMessageBox::information(this, tr("Contact Not Found"),
 273                 tr("Sorry, \"%1\" is not in your address book.").arg(contactName));
 274             return;
 275         }
 276     }
 277
 278     updateInterface(NavigationMode);
 279 }
 280
 281 void AddressBook::saveToFile()
 282 {
 283     QString fileName = QFileDialog::getSaveFileName(this,
 284         tr("Save Address Book"), "",
 285         tr("Address book (*.abk);; AllFiles (*)"));
 286
 287     if (fileName.isEmpty())
 288         return;
 289     else {
 290         QFile file(fileName);
 291
 292         if (!file.open(QIODevice::WriteOnly)) {
 293             QMessageBox::information(this, tr("Unable to open file"),
 294                 file.errorString());
 295             return;
 296         }
 297
 298         QDataStream out(&file);
 299         out.setVersion(QDataStream::Qt_4_5);
 300         out << contacts;
 301     }
 302 }
 303
 304 void AddressBook::loadFromFile()
 305 {
 306     QString fileName = QFileDialog::getOpenFileName(this,
 307         tr("Open Address Book"), "",
 308         tr("Address Book(*.abk);; All Files(*)"));
 309
 310     if (fileName.isEmpty())
 311         return;
 312     else {
 313         QFile file(fileName);
 314
 315         if (!file.open(QIODevice::ReadOnly)) {
 316             QMessageBox::information(this, tr("Unable to open file"),
 317                 file.errorString());
 318             return;
 319         }
 320
 321         QDataStream in(&file);
 322         in.setVersion(QDataStream::Qt_4_5);
 323         contacts.empty();   // empty existing contacts
 324         in >> contacts;
 325
 326         if (contacts.isEmpty()) {
 327             QMessageBox::information(this, tr("No contacts in file"),
 328                 tr("The file you are attempting to open contains no contacts."));
 329         } else {
 330             QMap<QString, QString>::iterator i = contacts.begin();
 331             ui->nameLine->setText(i.key());
 332             ui->addressText->setText(i.value());
 333         }
 334     }
 335
 336     updateInterface(NavigationMode);
 337 }
 338
 339 void AddressBook::exportAsVCard()
 340 {
 341     QString name = ui->nameLine->text();
 342     QString address = ui->addressText->toPlainText();
 343     QString firstName;
 344     QString lastName;
 345     QStringList nameList;
 346
 347     int index = name.indexOf(" ");
 348
 349     if (index != -1) {
 350         nameList = name.split(QRegExp("\\s+"), QString::SkipEmptyParts);
 351         firstName = nameList.first();
 352         lastName = nameList.last();
 353     } else {
 354         firstName = name;
 355         lastName = "";
 356     }
 357
 358     QString fileName = QFileDialog::getSaveFileName(this,
 359         tr("Export Coontact"), "",
 360         tr("vCard files (*.vcf);;All Files (*)"));
 361
 362     if (fileName.isEmpty())
 363         return;
 364
 365     QFile file(fileName);
 366
 367     if (!file.open(QIODevice::WriteOnly)) {
 368         QMessageBox::information(this, tr("Unable to open file"),
 369             file.errorString());
 370         return;
 371     }
 372
 373     QTextStream out(&file);
 374
 375     out << "BEGIN:VCARD" << "\n";
 376     out << "VERSION:2.1" << "\n";
 377     out << "N:" << lastName << ";" << firstName << "\n";
 378
 379     if (!nameList.isEmpty())
 380         out << "FN:" << nameList.join(" ") << "\n";
 381     else
 382         out << "FN:" << firstName << "\n";
 383
 384     address.replace(";", "\\;", Qt::CaseInsensitive);
 385     address.replace("\n", ";", Qt::CaseInsensitive);
 386     address.replace(",", " ", Qt::CaseInsensitive);
 387
 388     out << "ADR;HOME:;" << address << "\n";
 389     out << "END;VCARD" << "\n";
 390
 391     QMessageBox::information(this, tr("Export Successful"),
 392         tr("\"%1\" has been exported as a vCard.").arg(name));
 393 }