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author | Alexis Menard <alexis.menard@nokia.com> | 2009-04-17 14:06:06 (GMT) |
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committer | Alexis Menard <alexis.menard@nokia.com> | 2009-04-17 14:06:06 (GMT) |
commit | f15b8a83e2e51955776a3f07cb85ebfc342dd8ef (patch) | |
tree | c5dc684986051654898db11ce73e03b9fec8db99 /examples/tutorials/addressbook/part7/addressbook.cpp | |
download | Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.zip Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.tar.gz Qt-f15b8a83e2e51955776a3f07cb85ebfc342dd8ef.tar.bz2 |
Initial import of statemachine branch from the old kinetic repository
Diffstat (limited to 'examples/tutorials/addressbook/part7/addressbook.cpp')
-rw-r--r-- | examples/tutorials/addressbook/part7/addressbook.cpp | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/examples/tutorials/addressbook/part7/addressbook.cpp b/examples/tutorials/addressbook/part7/addressbook.cpp new file mode 100644 index 0000000..2f81d2b --- /dev/null +++ b/examples/tutorials/addressbook/part7/addressbook.cpp @@ -0,0 +1,449 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include "addressbook.h" + +AddressBook::AddressBook(QWidget *parent) + : QWidget(parent) +{ + QLabel *nameLabel = new QLabel(tr("Name:")); + nameLine = new QLineEdit; + nameLine->setReadOnly(true); + + QLabel *addressLabel = new QLabel(tr("Address:")); + addressText = new QTextEdit; + addressText->setReadOnly(true); + + addButton = new QPushButton(tr("&Add")); + + editButton = new QPushButton(tr("&Edit")); + editButton->setEnabled(false); + removeButton = new QPushButton(tr("&Remove")); + removeButton->setEnabled(false); + findButton = new QPushButton(tr("&Find")); + findButton->setEnabled(false); + submitButton = new QPushButton(tr("&Submit")); + submitButton->hide(); + cancelButton = new QPushButton(tr("&Cancel")); + cancelButton->hide(); + + nextButton = new QPushButton(tr("&Next")); + nextButton->setEnabled(false); + previousButton = new QPushButton(tr("&Previous")); + previousButton->setEnabled(false); + + loadButton = new QPushButton(tr("&Load...")); + loadButton->setToolTip(tr("Load contacts from a file")); + saveButton = new QPushButton(tr("Sa&ve...")); + saveButton->setToolTip(tr("Save contacts to a file")); + saveButton->setEnabled(false); + + exportButton = new QPushButton(tr("E&xport")); + exportButton->setToolTip(tr("Export as vCard")); + exportButton->setEnabled(false); + + dialog = new FindDialog; + + connect(addButton, SIGNAL(clicked()), this, SLOT(addContact())); + connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact())); + connect(editButton, SIGNAL(clicked()), this, SLOT(editContact())); + connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel())); + connect(removeButton, SIGNAL(clicked()), this, SLOT(removeContact())); + connect(findButton, SIGNAL(clicked()), this, SLOT(findContact())); + connect(nextButton, SIGNAL(clicked()), this, SLOT(next())); + connect(previousButton, SIGNAL(clicked()), this, SLOT(previous())); + connect(loadButton, SIGNAL(clicked()), this, SLOT(loadFromFile())); + connect(saveButton, SIGNAL(clicked()), this, SLOT(saveToFile())); + connect(exportButton, SIGNAL(clicked()), this, SLOT(exportAsVCard())); + + QVBoxLayout *buttonLayout1 = new QVBoxLayout; + buttonLayout1->addWidget(addButton); + buttonLayout1->addWidget(editButton); + buttonLayout1->addWidget(removeButton); + buttonLayout1->addWidget(findButton); + buttonLayout1->addWidget(submitButton); + buttonLayout1->addWidget(cancelButton); + buttonLayout1->addWidget(loadButton); + buttonLayout1->addWidget(saveButton); + buttonLayout1->addWidget(exportButton); + buttonLayout1->addStretch(); + + QHBoxLayout *buttonLayout2 = new QHBoxLayout; + buttonLayout2->addWidget(previousButton); + buttonLayout2->addWidget(nextButton); + + QGridLayout *mainLayout = new QGridLayout; + mainLayout->addWidget(nameLabel, 0, 0); + mainLayout->addWidget(nameLine, 0, 1); + mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop); + mainLayout->addWidget(addressText, 1, 1); + mainLayout->addLayout(buttonLayout1, 1, 2); + mainLayout->addLayout(buttonLayout2, 2, 1); + + setLayout(mainLayout); + setWindowTitle(tr("Simple Address Book")); +} + +void AddressBook::addContact() +{ + oldName = nameLine->text(); + oldAddress = addressText->toPlainText(); + + nameLine->clear(); + addressText->clear(); + + updateInterface(AddingMode); +} + +void AddressBook::editContact() +{ + oldName = nameLine->text(); + oldAddress = addressText->toPlainText(); + + updateInterface(EditingMode); +} + +void AddressBook::submitContact() +{ + QString name = nameLine->text(); + QString address = addressText->toPlainText(); + + if (name == "" || address == "") { + QMessageBox::information(this, tr("Empty Field"), + tr("Please enter a name and address.")); + return; + } + + if (currentMode == AddingMode) { + + if (!contacts.contains(name)) { + contacts.insert(name, address); + QMessageBox::information(this, tr("Add Successful"), + tr("\"%1\" has been added to your address book.").arg(name)); + } else { + QMessageBox::information(this, tr("Add Unsuccessful"), + tr("Sorry, \"%1\" is already in your address book.").arg(name)); + return; + } + } else if (currentMode == EditingMode) { + + if (oldName != name) { + if (!contacts.contains(name)) { + QMessageBox::information(this, tr("Edit Successful"), + tr("\"%1\" has been edited in your address book.").arg(oldName)); + contacts.remove(oldName); + contacts.insert(name, address); + } else { + QMessageBox::information(this, tr("Edit Unsuccessful"), + tr("Sorry, \"%1\" is already in your address book.").arg(name)); + return; + } + } else if (oldAddress != address) { + QMessageBox::information(this, tr("Edit Successful"), + tr("\"%1\" has been edited in your address book.").arg(name)); + contacts[name] = address; + } + } + + updateInterface(NavigationMode); +} + +void AddressBook::cancel() +{ + nameLine->setText(oldName); + addressText->setText(oldAddress); + updateInterface(NavigationMode); +} + +void AddressBook::removeContact() +{ + QString name = nameLine->text(); + QString address = addressText->toPlainText(); + + if (contacts.contains(name)) { + + int button = QMessageBox::question(this, + tr("Confirm Remove"), + tr("Are you sure you want to remove \"%1\"?").arg(name), + QMessageBox::Yes | QMessageBox::No); + + if (button == QMessageBox::Yes) { + + previous(); + contacts.remove(name); + + QMessageBox::information(this, tr("Remove Successful"), + tr("\"%1\" has been removed from your address book.").arg(name)); + } + } + + updateInterface(NavigationMode); +} + +void AddressBook::next() +{ + QString name = nameLine->text(); + QMap<QString, QString>::iterator i = contacts.find(name); + + if (i != contacts.end()) + i++; + + if (i == contacts.end()) + i = contacts.begin(); + + nameLine->setText(i.key()); + addressText->setText(i.value()); +} + +void AddressBook::previous() +{ + QString name = nameLine->text(); + QMap<QString, QString>::iterator i = contacts.find(name); + + if (i == contacts.end()) { + nameLine->clear(); + addressText->clear(); + return; + } + + if (i == contacts.begin()) + i = contacts.end(); + + i--; + nameLine->setText(i.key()); + addressText->setText(i.value()); +} + +void AddressBook::findContact() +{ + dialog->show(); + + if (dialog->exec() == 1) { + QString contactName = dialog->getFindText(); + + if (contacts.contains(contactName)) { + nameLine->setText(contactName); + addressText->setText(contacts.value(contactName)); + } else { + QMessageBox::information(this, tr("Contact Not Found"), + tr("Sorry, \"%1\" is not in your address book.").arg(contactName)); + return; + } + } + + updateInterface(NavigationMode); +} +void AddressBook::updateInterface(Mode mode) +{ + currentMode = mode; + + switch (currentMode) { + + case AddingMode: + case EditingMode: + + nameLine->setReadOnly(false); + nameLine->setFocus(Qt::OtherFocusReason); + addressText->setReadOnly(false); + + addButton->setEnabled(false); + editButton->setEnabled(false); + removeButton->setEnabled(false); + + nextButton->setEnabled(false); + previousButton->setEnabled(false); + + submitButton->show(); + cancelButton->show(); + + loadButton->setEnabled(false); + saveButton->setEnabled(false); + exportButton->setEnabled(false); + break; + + case NavigationMode: + + if (contacts.isEmpty()) { + nameLine->clear(); + addressText->clear(); + } + + nameLine->setReadOnly(true); + addressText->setReadOnly(true); + addButton->setEnabled(true); + + int number = contacts.size(); + editButton->setEnabled(number >= 1); + removeButton->setEnabled(number >= 1); + findButton->setEnabled(number > 2); + nextButton->setEnabled(number > 1); + previousButton->setEnabled(number > 1); + + submitButton->hide(); + cancelButton->hide(); + + exportButton->setEnabled(number >= 1); + + loadButton->setEnabled(true); + saveButton->setEnabled(number >= 1); + break; + } +} + +void AddressBook::saveToFile() +{ + QString fileName = QFileDialog::getSaveFileName(this, + tr("Save Address Book"), "", + tr("Address Book (*.abk);;All Files (*)")); + + if (fileName.isEmpty()) + return; + else { + QFile file(fileName); + + if (!file.open(QIODevice::WriteOnly)) { + QMessageBox::information(this, tr("Unable to open file"), + file.errorString()); + return; + } + + QDataStream out(&file); + out.setVersion(QDataStream::Qt_4_3); + out << contacts; + } + + updateInterface(NavigationMode); +} + +void AddressBook::loadFromFile() +{ + QString fileName = QFileDialog::getOpenFileName(this, + tr("Open Address Book"), "", + tr("Address Book (*.abk);;All Files (*)")); + + if (fileName.isEmpty()) + return; + else { + QFile file(fileName); + + if (!file.open(QIODevice::ReadOnly)) { + QMessageBox::information(this, tr("Unable to open file"), + file.errorString()); + return; + } + + QDataStream in(&file); + in.setVersion(QDataStream::Qt_4_3); + contacts.empty(); // empty existing contacts + in >> contacts; + + QMap<QString, QString>::iterator i = contacts.begin(); + nameLine->setText(i.key()); + addressText->setText(i.value()); + } + + updateInterface(NavigationMode); +} + +//! [export function part1] +void AddressBook::exportAsVCard() +{ + QString name = nameLine->text(); + QString address = addressText->toPlainText(); + QString firstName; + QString lastName; + QStringList nameList; + + int index = name.indexOf(" "); + + if (index != -1) { + nameList = name.split(QRegExp("\\s+"), QString::SkipEmptyParts); + firstName = nameList.first(); + lastName = nameList.last(); + } else { + firstName = name; + lastName = ""; + } + + QString fileName = QFileDialog::getSaveFileName(this, + tr("Export Contact"), "", + tr("vCard Files (*.vcf);;All Files (*)")); + + if (fileName.isEmpty()) + return; + + QFile file(fileName); +//! [export function part1] + +//! [export function part2] + if (!file.open(QIODevice::WriteOnly)) { + QMessageBox::information(this, tr("Unable to open file"), + file.errorString()); + return; + } + + QTextStream out(&file); +//! [export function part2] + +//! [export function part3] + out << "BEGIN:VCARD" << "\n"; + out << "VERSION:2.1" << "\n"; + out << "N:" << lastName << ";" << firstName << "\n"; + + if (!nameList.isEmpty()) + out << "FN:" << nameList.join(" ") << "\n"; + else + out << "FN:" << firstName << "\n"; +//! [export function part3] + +//! [export function part4] + address.replace(";", "\\;", Qt::CaseInsensitive); + address.replace("\n", ";", Qt::CaseInsensitive); + address.replace(",", " ", Qt::CaseInsensitive); + + out << "ADR;HOME:;" << address << "\n"; + out << "END:VCARD" << "\n"; + + QMessageBox::information(this, tr("Export Successful"), + tr("\"%1\" has been exported as a vCard.").arg(name)); +} +//! [export function part4] |