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Diffstat (limited to 'examples/widgets/tutorials/addressbook/part5/addressbook.cpp')
-rw-r--r-- | examples/widgets/tutorials/addressbook/part5/addressbook.cpp | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/examples/widgets/tutorials/addressbook/part5/addressbook.cpp b/examples/widgets/tutorials/addressbook/part5/addressbook.cpp deleted file mode 100644 index 5505a0e35c..0000000000 --- a/examples/widgets/tutorials/addressbook/part5/addressbook.cpp +++ /dev/null @@ -1,330 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> -#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); -//! [instantiating findButton] - findButton = new QPushButton(tr("&Find")); - findButton->setEnabled(false); -//! [instantiating findButton] - 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); - -//! [instantiating FindDialog] - dialog = new FindDialog(this); -//! [instantiating FindDialog] - - connect(addButton, &QPushButton::clicked, - this, &AddressBook::addContact); - connect(submitButton, &QPushButton::clicked, - this, &AddressBook::submitContact); - connect(editButton, &QPushButton::clicked, - this, &AddressBook::editContact); - connect(removeButton, &QPushButton::clicked, - this, &AddressBook::removeContact); - connect(cancelButton, &QPushButton::clicked, - this, &AddressBook::cancel); -//! [signals and slots for find] - connect(findButton, &QPushButton::clicked, - this, &AddressBook::findContact); -//! [signals and slots for find] - connect(nextButton, &QPushButton::clicked, - this, &AddressBook::next); - connect(previousButton, &QPushButton::clicked, - this, &AddressBook::previous); - - QVBoxLayout *buttonLayout1 = new QVBoxLayout; - buttonLayout1->addWidget(addButton); - buttonLayout1->addWidget(editButton); - buttonLayout1->addWidget(removeButton); -//! [adding findButton to layout] - buttonLayout1->addWidget(findButton); -//! [adding findButton to layout] - buttonLayout1->addWidget(submitButton); - buttonLayout1->addWidget(cancelButton); - 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.isEmpty() || address.isEmpty()) { - 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)); - } - } 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)); - } - } 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()); -} -//! [findContact() function] -void AddressBook::findContact() -{ - dialog->show(); - - if (dialog->exec() == QDialog::Accepted) { - 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); -} -//! [findContact() function] - -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(); - 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(); - break; - } -} |