examples/tutorials/addressbook/part2/addressbook.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/tutorials/addressbook/part2/addressbook.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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;
+//! [setting readonly 1]
+    nameLine->setReadOnly(true);
+//! [setting readonly 1]
+    QLabel *addressLabel = new QLabel(tr("Address:"));
+    addressText = new QTextEdit;
+//! [setting readonly 2]    
+    addressText->setReadOnly(true);
+//! [setting readonly 2]
+   
+//! [pushbutton declaration]
+    addButton = new QPushButton(tr("&Add"));
+    addButton->show();
+    submitButton = new QPushButton(tr("&Submit"));
+    submitButton->hide();
+    cancelButton = new QPushButton(tr("&Cancel"));
+    cancelButton->hide();
+//! [pushbutton declaration]
+//! [connecting signals and slots]
+    connect(addButton, SIGNAL(clicked()), this, SLOT(addContact()));
+    connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact()));
+    connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel()));
+//! [connecting signals and slots]
+//! [vertical layout]
+    QVBoxLayout *buttonLayout1 = new QVBoxLayout;
+    buttonLayout1->addWidget(addButton, Qt::AlignTop);
+    buttonLayout1->addWidget(submitButton);
+    buttonLayout1->addWidget(cancelButton);
+    buttonLayout1->addStretch();
+//! [vertical layout]
+//! [grid layout]
+    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);
+//! [grid layout]
+    setLayout(mainLayout);
+    setWindowTitle(tr("Simple Address Book"));
+}
+//! [addContact]
+void AddressBook::addContact()
+{
+    oldName = nameLine->text();
+    oldAddress = addressText->toPlainText();
+
+    nameLine->clear();
+    addressText->clear();
+    
+    nameLine->setReadOnly(false);
+    nameLine->setFocus(Qt::OtherFocusReason);
+    addressText->setReadOnly(false);
+
+    addButton->setEnabled(false);
+    submitButton->show();
+    cancelButton->show();
+}
+//! [addContact]
+
+//! [submitContact part1]
+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;
+    }
+//! [submitContact part1]
+//! [submitContact part2]
+    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;
+    }
+//! [submitContact part2]
+//! [submitContact part3]
+    if (contacts.isEmpty()) {
+        nameLine->clear();
+        addressText->clear();
+    }
+
+    nameLine->setReadOnly(true);
+    addressText->setReadOnly(true);
+    addButton->setEnabled(true);
+    submitButton->hide();
+    cancelButton->hide();
+}
+//! [submitContact part3]
+//! [cancel]
+void AddressBook::cancel()
+{
+    nameLine->setText(oldName);
+    nameLine->setReadOnly(true);
+
+    addressText->setText(oldAddress);
+    addressText->setReadOnly(true);
+
+    addButton->setEnabled(true);
+    submitButton->hide();
+    cancelButton->hide();    
+}
+//! [cancel]