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<h1 class="title">addressbook.cpp Example File</h1>
<span class="small-subtitle">tutorials/addressbook-fr/part7/addressbook.cpp</span>
<!-- $$$tutorials/addressbook-fr/part7/addressbook.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &quot;addressbook.h&quot;</span>
AddressBook<span class="operator">::</span>AddressBook(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qwidget.html">QWidget</a></span>(parent)
{
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>nameLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Name:&quot;</span>));
nameLine <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>;
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setReadOnly(<span class="keyword">true</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>addressLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Address:&quot;</span>));
addressText <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextedit.html">QTextEdit</a></span>;
addressText<span class="operator">-</span><span class="operator">&gt;</span>setReadOnly(<span class="keyword">true</span>);
addButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Add&quot;</span>));
editButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Edit&quot;</span>));
editButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
removeButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Remove&quot;</span>));
removeButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
findButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Find&quot;</span>));
findButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
submitButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Submit&quot;</span>));
submitButton<span class="operator">-</span><span class="operator">&gt;</span>hide();
cancelButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Cancel&quot;</span>));
cancelButton<span class="operator">-</span><span class="operator">&gt;</span>hide();
nextButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Next&quot;</span>));
nextButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
previousButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Previous&quot;</span>));
previousButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
loadButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;&amp;Load...&quot;</span>));
loadButton<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(tr(<span class="string">&quot;Load contacts from a file&quot;</span>));
saveButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;Sa&amp;ve...&quot;</span>));
saveButton<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(tr(<span class="string">&quot;Save contacts to a file&quot;</span>));
saveButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
exportButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">&quot;E&amp;xport&quot;</span>));
exportButton<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(tr(<span class="string">&quot;Export as vCard&quot;</span>));
exportButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
dialog <span class="operator">=</span> <span class="keyword">new</span> FindDialog;
connect(addButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(addContact()));
connect(submitButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(submitContact()));
connect(editButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(editContact()));
connect(cancelButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(cancel()));
connect(removeButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(removeContact()));
connect(findButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(findContact()));
connect(nextButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(next()));
connect(previousButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(previous()));
connect(loadButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(loadFromFile()));
connect(saveButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(saveToFile()));
connect(exportButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(exportAsVCard()));
<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>buttonLayout1 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(addButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(editButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(removeButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(findButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(submitButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(cancelButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(loadButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(saveButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addWidget(exportButton);
buttonLayout1<span class="operator">-</span><span class="operator">&gt;</span>addStretch();
<span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>buttonLayout2 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
buttonLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(previousButton);
buttonLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(nextButton);
<span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>;
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(nameLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(nameLine<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>);
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(addressLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignTop);
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(addressText<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>);
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addLayout(buttonLayout1<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>);
mainLayout<span class="operator">-</span><span class="operator">&gt;</span>addLayout(buttonLayout2<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>);
setLayout(mainLayout);
setWindowTitle(tr(<span class="string">&quot;Simple Address Book&quot;</span>));
}
<span class="type">void</span> AddressBook<span class="operator">::</span>addContact()
{
oldName <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
oldAddress <span class="operator">=</span> addressText<span class="operator">-</span><span class="operator">&gt;</span>toPlainText();
nameLine<span class="operator">-</span><span class="operator">&gt;</span>clear();
addressText<span class="operator">-</span><span class="operator">&gt;</span>clear();
updateInterface(AddingMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>editContact()
{
oldName <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
oldAddress <span class="operator">=</span> addressText<span class="operator">-</span><span class="operator">&gt;</span>toPlainText();
updateInterface(EditingMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>submitContact()
{
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type"><a href="qstring.html">QString</a></span> address <span class="operator">=</span> addressText<span class="operator">-</span><span class="operator">&gt;</span>toPlainText();
<span class="keyword">if</span> (name<span class="operator">.</span>isEmpty() <span class="operator">|</span><span class="operator">|</span> address<span class="operator">.</span>isEmpty()) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Empty Field&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;Please enter a name and address.&quot;</span>));
<span class="keyword">return</span>;
}
<span class="keyword">if</span> (currentMode <span class="operator">=</span><span class="operator">=</span> AddingMode) {
<span class="keyword">if</span> (<span class="operator">!</span>contacts<span class="operator">.</span>contains(name)) {
contacts<span class="operator">.</span>insert(name<span class="operator">,</span> address);
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Add Successful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;\&quot;%1\&quot; has been added to your address book.&quot;</span>)<span class="operator">.</span>arg(name));
} <span class="keyword">else</span> {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Add Unsuccessful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;Sorry, \&quot;%1\&quot; is already in your address book.&quot;</span>)<span class="operator">.</span>arg(name));
}
} <span class="keyword">else</span> <span class="keyword">if</span> (currentMode <span class="operator">=</span><span class="operator">=</span> EditingMode) {
<span class="keyword">if</span> (oldName <span class="operator">!</span><span class="operator">=</span> name) {
<span class="keyword">if</span> (<span class="operator">!</span>contacts<span class="operator">.</span>contains(name)) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Edit Successful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;\&quot;%1\&quot; has been edited in your address book.&quot;</span>)<span class="operator">.</span>arg(oldName));
contacts<span class="operator">.</span>remove(oldName);
contacts<span class="operator">.</span>insert(name<span class="operator">,</span> address);
} <span class="keyword">else</span> {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Edit Unsuccessful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;Sorry, \&quot;%1\&quot; is already in your address book.&quot;</span>)<span class="operator">.</span>arg(name));
}
} <span class="keyword">else</span> <span class="keyword">if</span> (oldAddress <span class="operator">!</span><span class="operator">=</span> address) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Edit Successful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;\&quot;%1\&quot; has been edited in your address book.&quot;</span>)<span class="operator">.</span>arg(name));
contacts<span class="operator">[</span>name<span class="operator">]</span> <span class="operator">=</span> address;
}
}
updateInterface(NavigationMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>cancel()
{
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setText(oldName);
addressText<span class="operator">-</span><span class="operator">&gt;</span>setText(oldAddress);
updateInterface(NavigationMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>removeContact()
{
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type"><a href="qstring.html">QString</a></span> address <span class="operator">=</span> addressText<span class="operator">-</span><span class="operator">&gt;</span>toPlainText();
<span class="keyword">if</span> (contacts<span class="operator">.</span>contains(name)) {
<span class="type">int</span> button <span class="operator">=</span> <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>question(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">&quot;Confirm Remove&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;Are you sure you want to remove \&quot;%1\&quot;?&quot;</span>)<span class="operator">.</span>arg(name)<span class="operator">,</span>
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>Yes <span class="operator">|</span> <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>No);
<span class="keyword">if</span> (button <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>Yes) {
previous();
contacts<span class="operator">.</span>remove(name);
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Remove Successful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;\&quot;%1\&quot; has been removed from your address book.&quot;</span>)<span class="operator">.</span>arg(name));
}
}
updateInterface(NavigationMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>next()
{
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">&gt;</span><span class="operator">::</span>iterator i <span class="operator">=</span> contacts<span class="operator">.</span>find(name);
<span class="keyword">if</span> (i <span class="operator">!</span><span class="operator">=</span> contacts<span class="operator">.</span>end())
i<span class="operator">+</span><span class="operator">+</span>;
<span class="keyword">if</span> (i <span class="operator">=</span><span class="operator">=</span> contacts<span class="operator">.</span>end())
i <span class="operator">=</span> contacts<span class="operator">.</span>begin();
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setText(i<span class="operator">.</span>key());
addressText<span class="operator">-</span><span class="operator">&gt;</span>setText(i<span class="operator">.</span>value());
}
<span class="type">void</span> AddressBook<span class="operator">::</span>previous()
{
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">&gt;</span><span class="operator">::</span>iterator i <span class="operator">=</span> contacts<span class="operator">.</span>find(name);
<span class="keyword">if</span> (i <span class="operator">=</span><span class="operator">=</span> contacts<span class="operator">.</span>end()) {
nameLine<span class="operator">-</span><span class="operator">&gt;</span>clear();
addressText<span class="operator">-</span><span class="operator">&gt;</span>clear();
<span class="keyword">return</span>;
}
<span class="keyword">if</span> (i <span class="operator">=</span><span class="operator">=</span> contacts<span class="operator">.</span>begin())
i <span class="operator">=</span> contacts<span class="operator">.</span>end();
i<span class="operator">-</span><span class="operator">-</span>;
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setText(i<span class="operator">.</span>key());
addressText<span class="operator">-</span><span class="operator">&gt;</span>setText(i<span class="operator">.</span>value());
}
<span class="type">void</span> AddressBook<span class="operator">::</span>findContact()
{
dialog<span class="operator">-</span><span class="operator">&gt;</span>show();
<span class="keyword">if</span> (dialog<span class="operator">-</span><span class="operator">&gt;</span>exec() <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>) {
<span class="type"><a href="qstring.html">QString</a></span> contactName <span class="operator">=</span> dialog<span class="operator">-</span><span class="operator">&gt;</span>getFindText();
<span class="keyword">if</span> (contacts<span class="operator">.</span>contains(contactName)) {
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setText(contactName);
addressText<span class="operator">-</span><span class="operator">&gt;</span>setText(contacts<span class="operator">.</span>value(contactName));
} <span class="keyword">else</span> {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Contact Not Found&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;Sorry, \&quot;%1\&quot; is not in your address book.&quot;</span>)<span class="operator">.</span>arg(contactName));
<span class="keyword">return</span>;
}
}
updateInterface(NavigationMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>updateInterface(Mode mode)
{
currentMode <span class="operator">=</span> mode;
<span class="keyword">switch</span> (currentMode) {
<span class="keyword">case</span> AddingMode:
<span class="keyword">case</span> EditingMode:
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setReadOnly(<span class="keyword">false</span>);
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setFocus(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>OtherFocusReason);
addressText<span class="operator">-</span><span class="operator">&gt;</span>setReadOnly(<span class="keyword">false</span>);
addButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
editButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
removeButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
nextButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
previousButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
submitButton<span class="operator">-</span><span class="operator">&gt;</span>show();
cancelButton<span class="operator">-</span><span class="operator">&gt;</span>show();
loadButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
saveButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
exportButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
<span class="keyword">break</span>;
<span class="keyword">case</span> NavigationMode:
<span class="keyword">if</span> (contacts<span class="operator">.</span>isEmpty()) {
nameLine<span class="operator">-</span><span class="operator">&gt;</span>clear();
addressText<span class="operator">-</span><span class="operator">&gt;</span>clear();
}
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setReadOnly(<span class="keyword">true</span>);
addressText<span class="operator">-</span><span class="operator">&gt;</span>setReadOnly(<span class="keyword">true</span>);
addButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">true</span>);
<span class="type">int</span> number <span class="operator">=</span> contacts<span class="operator">.</span>size();
editButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">1</span>);
removeButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">1</span>);
findButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span> <span class="number">2</span>);
nextButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span> <span class="number">1</span>);
previousButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span> <span class="number">1</span>);
submitButton<span class="operator">-</span><span class="operator">&gt;</span>hide();
cancelButton<span class="operator">-</span><span class="operator">&gt;</span>hide();
exportButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">1</span>);
loadButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">true</span>);
saveButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(number <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">1</span>);
<span class="keyword">break</span>;
}
}
<span class="type">void</span> AddressBook<span class="operator">::</span>saveToFile()
{
<span class="type"><a href="qstring.html">QString</a></span> fileName <span class="operator">=</span> <span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getSaveFileName(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">&quot;Save Address Book&quot;</span>)<span class="operator">,</span> <span class="string">&quot;&quot;</span><span class="operator">,</span>
tr(<span class="string">&quot;Address Book (*.abk);;All Files (*)&quot;</span>));
<span class="keyword">if</span> (fileName<span class="operator">.</span>isEmpty())
<span class="keyword">return</span>;
<span class="keyword">else</span> {
<span class="type"><a href="qfile.html">QFile</a></span> file(fileName);
<span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>WriteOnly)) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Unable to open file&quot;</span>)<span class="operator">,</span>
file<span class="operator">.</span>errorString());
<span class="keyword">return</span>;
}
<span class="type"><a href="qdatastream.html">QDataStream</a></span> out(<span class="operator">&amp;</span>file);
out<span class="operator">.</span>setVersion(<span class="type"><a href="qdatastream.html">QDataStream</a></span><span class="operator">::</span>Qt_4_3);
out <span class="operator">&lt;</span><span class="operator">&lt;</span> contacts;
}
updateInterface(NavigationMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>loadFromFile()
{
<span class="type"><a href="qstring.html">QString</a></span> fileName <span class="operator">=</span> <span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getOpenFileName(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">&quot;Open Address Book&quot;</span>)<span class="operator">,</span> <span class="string">&quot;&quot;</span><span class="operator">,</span>
tr(<span class="string">&quot;Address Book (*.abk);;All Files (*)&quot;</span>));
<span class="keyword">if</span> (fileName<span class="operator">.</span>isEmpty())
<span class="keyword">return</span>;
<span class="keyword">else</span> {
<span class="type"><a href="qfile.html">QFile</a></span> file(fileName);
<span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>ReadOnly)) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Unable to open file&quot;</span>)<span class="operator">,</span>
file<span class="operator">.</span>errorString());
<span class="keyword">return</span>;
}
<span class="type"><a href="qdatastream.html">QDataStream</a></span> in(<span class="operator">&amp;</span>file);
in<span class="operator">.</span>setVersion(<span class="type"><a href="qdatastream.html">QDataStream</a></span><span class="operator">::</span>Qt_4_3);
contacts<span class="operator">.</span>empty(); <span class="comment">// empty existing contacts</span>
in <span class="operator">&gt;</span><span class="operator">&gt;</span> contacts;
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">&gt;</span><span class="operator">::</span>iterator i <span class="operator">=</span> contacts<span class="operator">.</span>begin();
nameLine<span class="operator">-</span><span class="operator">&gt;</span>setText(i<span class="operator">.</span>key());
addressText<span class="operator">-</span><span class="operator">&gt;</span>setText(i<span class="operator">.</span>value());
}
updateInterface(NavigationMode);
}
<span class="type">void</span> AddressBook<span class="operator">::</span>exportAsVCard()
{
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> nameLine<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type"><a href="qstring.html">QString</a></span> address <span class="operator">=</span> addressText<span class="operator">-</span><span class="operator">&gt;</span>toPlainText();
<span class="type"><a href="qstring.html">QString</a></span> firstName;
<span class="type"><a href="qstring.html">QString</a></span> lastName;
<span class="type"><a href="qstringlist.html">QStringList</a></span> nameList;
<span class="type">int</span> index <span class="operator">=</span> name<span class="operator">.</span>indexOf(<span class="string">&quot; &quot;</span>);
<span class="keyword">if</span> (index <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) {
nameList <span class="operator">=</span> name<span class="operator">.</span>split(<span class="type"><a href="qregexp.html">QRegExp</a></span>(<span class="string">&quot;\\s+&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>SkipEmptyParts);
firstName <span class="operator">=</span> nameList<span class="operator">.</span>first();
lastName <span class="operator">=</span> nameList<span class="operator">.</span>last();
} <span class="keyword">else</span> {
firstName <span class="operator">=</span> name;
lastName <span class="operator">=</span> <span class="string">&quot;&quot;</span>;
}
<span class="type"><a href="qstring.html">QString</a></span> fileName <span class="operator">=</span> <span class="type"><a href="qfiledialog.html">QFileDialog</a></span><span class="operator">::</span>getSaveFileName(<span class="keyword">this</span><span class="operator">,</span>
tr(<span class="string">&quot;Export Contact&quot;</span>)<span class="operator">,</span> <span class="string">&quot;&quot;</span><span class="operator">,</span>
tr(<span class="string">&quot;vCard Files (*.vcf);;All Files (*)&quot;</span>));
<span class="keyword">if</span> (fileName<span class="operator">.</span>isEmpty())
<span class="keyword">return</span>;
<span class="type"><a href="qfile.html">QFile</a></span> file(fileName);
<span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>WriteOnly)) {
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Unable to open file&quot;</span>)<span class="operator">,</span>
file<span class="operator">.</span>errorString());
<span class="keyword">return</span>;
}
<span class="type"><a href="qtextstream.html">QTextStream</a></span> out(<span class="operator">&amp;</span>file);
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;BEGIN:VCARD&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;VERSION:2.1&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;N:&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> lastName <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;;&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> firstName <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
<span class="keyword">if</span> (<span class="operator">!</span>nameList<span class="operator">.</span>isEmpty())
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;FN:&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> nameList<span class="operator">.</span>join(<span class="string">&quot; &quot;</span>) <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
<span class="keyword">else</span>
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;FN:&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> firstName <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
address<span class="operator">.</span>replace(<span class="string">&quot;;&quot;</span><span class="operator">,</span> <span class="string">&quot;\\;&quot;</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive);
address<span class="operator">.</span>replace(<span class="string">&quot;\n&quot;</span><span class="operator">,</span> <span class="string">&quot;;&quot;</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive);
address<span class="operator">.</span>replace(<span class="string">&quot;,&quot;</span><span class="operator">,</span> <span class="string">&quot; &quot;</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive);
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;ADR;HOME:;&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> address <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
out <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;END:VCARD&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;\n&quot;</span>;
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;Export Successful&quot;</span>)<span class="operator">,</span>
tr(<span class="string">&quot;\&quot;%1\&quot; has been exported as a vCard.&quot;</span>)<span class="operator">.</span>arg(name));
}</pre>
</div>
<!-- @@@tutorials/addressbook-fr/part7/addressbook.cpp -->
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