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<h1 class="title">addresswidget.cpp Example File</h1>
<span class="small-subtitle">itemviews/addressbook/addresswidget.cpp</span>
<!-- $$$itemviews/addressbook/addresswidget.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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:
**
** "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 Digia Plc and its Subsidiary(-ies) 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include <QtGui></span>
<span class="preprocessor">#include "addresswidget.h"</span>
<span class="preprocessor">#include "adddialog.h"</span>
AddressWidget<span class="operator">::</span>AddressWidget(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qtabwidget.html">QTabWidget</a></span>(parent)
{
table <span class="operator">=</span> <span class="keyword">new</span> TableModel(<span class="keyword">this</span>);
newAddressTab <span class="operator">=</span> <span class="keyword">new</span> NewAddressTab(<span class="keyword">this</span>);
connect(newAddressTab<span class="operator">,</span> SIGNAL(sendDetails(<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">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(addEntry(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">,</span><span class="type"><a href="qstring.html">QString</a></span>)));
addTab(newAddressTab<span class="operator">,</span> <span class="string">"Address Book"</span>);
setupTabs();
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>addEntry()
{
AddDialog aDialog;
<span class="keyword">if</span> (aDialog<span class="operator">.</span>exec()) {
<span class="type"><a href="qstring.html">QString</a></span> name <span class="operator">=</span> aDialog<span class="operator">.</span>nameText<span class="operator">-</span><span class="operator">></span>text();
<span class="type"><a href="qstring.html">QString</a></span> address <span class="operator">=</span> aDialog<span class="operator">.</span>addressText<span class="operator">-</span><span class="operator">></span>toPlainText();
addEntry(name<span class="operator">,</span> address);
}
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>addEntry(<span class="type"><a href="qstring.html">QString</a></span> name<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span> address)
{
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span> <span class="type"><a href="qpair.html">QPair</a></span><span class="operator"><</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">></span> <span class="operator">></span>list <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>getList();
<span class="type"><a href="qpair.html">QPair</a></span><span class="operator"><</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">></span> pair(name<span class="operator">,</span> address);
<span class="keyword">if</span> (<span class="operator">!</span>list<span class="operator">.</span>contains(pair)) {
table<span class="operator">-</span><span class="operator">></span>insertRows(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
<span class="type"><a href="qmodelindex.html">QModelIndex</a></span> index <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>index(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
table<span class="operator">-</span><span class="operator">></span>setData(index<span class="operator">,</span> name<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>EditRole);
index <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>index(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
table<span class="operator">-</span><span class="operator">></span>setData(index<span class="operator">,</span> address<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>EditRole);
removeTab(indexOf(newAddressTab));
} <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">"Duplicate Name"</span>)<span class="operator">,</span>
tr(<span class="string">"The name \"%1\" already exists."</span>)<span class="operator">.</span>arg(name));
}
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>editEntry()
{
<span class="type"><a href="qtableview.html">QTableView</a></span> <span class="operator">*</span>temp <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qtableview.html">QTableView</a></span><span class="operator">*</span><span class="operator">></span>(currentWidget());
<span class="type"><a href="qsortfilterproxymodel.html">QSortFilterProxyModel</a></span> <span class="operator">*</span>proxy <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qsortfilterproxymodel.html">QSortFilterProxyModel</a></span><span class="operator">*</span><span class="operator">></span>(temp<span class="operator">-</span><span class="operator">></span>model());
<span class="type"><a href="qitemselectionmodel.html">QItemSelectionModel</a></span> <span class="operator">*</span>selectionModel <span class="operator">=</span> temp<span class="operator">-</span><span class="operator">></span>selectionModel();
<span class="type"><a href="qmodelindex.html#QModelIndexList-typedef">QModelIndexList</a></span> indexes <span class="operator">=</span> selectionModel<span class="operator">-</span><span class="operator">></span>selectedRows();
<span class="type"><a href="qmodelindex.html">QModelIndex</a></span> index<span class="operator">,</span> i;
<span class="type"><a href="qstring.html">QString</a></span> name;
<span class="type"><a href="qstring.html">QString</a></span> address;
<span class="type">int</span> row <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>;
foreach (index<span class="operator">,</span> indexes) {
row <span class="operator">=</span> proxy<span class="operator">-</span><span class="operator">></span>mapToSource(index)<span class="operator">.</span>row();
i <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>index(row<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
<span class="type"><a href="qvariant.html">QVariant</a></span> varName <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>data(i<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>DisplayRole);
name <span class="operator">=</span> varName<span class="operator">.</span>toString();
i <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>index(row<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
<span class="type"><a href="qvariant.html">QVariant</a></span> varAddr <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>data(i<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>DisplayRole);
address <span class="operator">=</span> varAddr<span class="operator">.</span>toString();
}
AddDialog aDialog;
aDialog<span class="operator">.</span>setWindowTitle(tr(<span class="string">"Edit a Contact"</span>));
aDialog<span class="operator">.</span>nameText<span class="operator">-</span><span class="operator">></span>setReadOnly(<span class="keyword">true</span>);
aDialog<span class="operator">.</span>nameText<span class="operator">-</span><span class="operator">></span>setText(name);
aDialog<span class="operator">.</span>addressText<span class="operator">-</span><span class="operator">></span>setText(address);
<span class="keyword">if</span> (aDialog<span class="operator">.</span>exec()) {
<span class="type"><a href="qstring.html">QString</a></span> newAddress <span class="operator">=</span> aDialog<span class="operator">.</span>addressText<span class="operator">-</span><span class="operator">></span>toPlainText();
<span class="keyword">if</span> (newAddress <span class="operator">!</span><span class="operator">=</span> address) {
i <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>index(row<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
table<span class="operator">-</span><span class="operator">></span>setData(i<span class="operator">,</span> newAddress<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>EditRole);
}
}
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>removeEntry()
{
<span class="type"><a href="qtableview.html">QTableView</a></span> <span class="operator">*</span>temp <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qtableview.html">QTableView</a></span><span class="operator">*</span><span class="operator">></span>(currentWidget());
<span class="type"><a href="qsortfilterproxymodel.html">QSortFilterProxyModel</a></span> <span class="operator">*</span>proxy <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qsortfilterproxymodel.html">QSortFilterProxyModel</a></span><span class="operator">*</span><span class="operator">></span>(temp<span class="operator">-</span><span class="operator">></span>model());
<span class="type"><a href="qitemselectionmodel.html">QItemSelectionModel</a></span> <span class="operator">*</span>selectionModel <span class="operator">=</span> temp<span class="operator">-</span><span class="operator">></span>selectionModel();
<span class="type"><a href="qmodelindex.html#QModelIndexList-typedef">QModelIndexList</a></span> indexes <span class="operator">=</span> selectionModel<span class="operator">-</span><span class="operator">></span>selectedRows();
<span class="type"><a href="qmodelindex.html">QModelIndex</a></span> index;
foreach (index<span class="operator">,</span> indexes) {
<span class="type">int</span> row <span class="operator">=</span> proxy<span class="operator">-</span><span class="operator">></span>mapToSource(index)<span class="operator">.</span>row();
table<span class="operator">-</span><span class="operator">></span>removeRows(row<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qmodelindex.html">QModelIndex</a></span>());
}
<span class="keyword">if</span> (table<span class="operator">-</span><span class="operator">></span>rowCount(<span class="type"><a href="qmodelindex.html">QModelIndex</a></span>()) <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) {
insertTab(<span class="number">0</span><span class="operator">,</span> newAddressTab<span class="operator">,</span> <span class="string">"Address Book"</span>);
}
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>setupTabs()
{
<span class="type"><a href="qstringlist.html">QStringList</a></span> groups;
groups <span class="operator"><</span><span class="operator"><</span> <span class="string">"ABC"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"DEF"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"GHI"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"JKL"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"MNO"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"PQR"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"STU"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"VW"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"XYZ"</span>;
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> groups<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type"><a href="qstring.html">QString</a></span> str <span class="operator">=</span> groups<span class="operator">.</span>at(i);
proxyModel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qsortfilterproxymodel.html">QSortFilterProxyModel</a></span>(<span class="keyword">this</span>);
proxyModel<span class="operator">-</span><span class="operator">></span>setSourceModel(table);
proxyModel<span class="operator">-</span><span class="operator">></span>setDynamicSortFilter(<span class="keyword">true</span>);
<span class="type"><a href="qtableview.html">QTableView</a></span> <span class="operator">*</span>tableView <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtableview.html">QTableView</a></span>;
tableView<span class="operator">-</span><span class="operator">></span>setModel(proxyModel);
tableView<span class="operator">-</span><span class="operator">></span>setSortingEnabled(<span class="keyword">true</span>);
tableView<span class="operator">-</span><span class="operator">></span>setSelectionBehavior(<span class="type"><a href="qabstractitemview.html">QAbstractItemView</a></span><span class="operator">::</span>SelectRows);
tableView<span class="operator">-</span><span class="operator">></span>horizontalHeader()<span class="operator">-</span><span class="operator">></span>setStretchLastSection(<span class="keyword">true</span>);
tableView<span class="operator">-</span><span class="operator">></span>verticalHeader()<span class="operator">-</span><span class="operator">></span>hide();
tableView<span class="operator">-</span><span class="operator">></span>setEditTriggers(<span class="type"><a href="qabstractitemview.html">QAbstractItemView</a></span><span class="operator">::</span>NoEditTriggers);
tableView<span class="operator">-</span><span class="operator">></span>setSelectionMode(<span class="type"><a href="qabstractitemview.html">QAbstractItemView</a></span><span class="operator">::</span>SingleSelection);
<span class="type"><a href="qstring.html">QString</a></span> newStr <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"^[%1].*"</span>)<span class="operator">.</span>arg(str);
proxyModel<span class="operator">-</span><span class="operator">></span>setFilterRegExp(<span class="type"><a href="qregexp.html">QRegExp</a></span>(newStr<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive));
proxyModel<span class="operator">-</span><span class="operator">></span>setFilterKeyColumn(<span class="number">0</span>);
proxyModel<span class="operator">-</span><span class="operator">></span>sort(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AscendingOrder);
connect(tableView<span class="operator">-</span><span class="operator">></span>selectionModel()<span class="operator">,</span>
SIGNAL(selectionChanged(<span class="type"><a href="qitemselection.html">QItemSelection</a></span><span class="operator">,</span><span class="type"><a href="qitemselection.html">QItemSelection</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SIGNAL(selectionChanged(<span class="type"><a href="qitemselection.html">QItemSelection</a></span>)));
addTab(tableView<span class="operator">,</span> str);
}
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>readFromFile(<span class="type"><a href="qstring.html">QString</a></span> fileName)
{
<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">"Unable to open file"</span>)<span class="operator">,</span>
file<span class="operator">.</span>errorString());
<span class="keyword">return</span>;
}
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span> <span class="type"><a href="qpair.html">QPair</a></span><span class="operator"><</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">></span> <span class="operator">></span> pairs <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>getList();
<span class="type"><a href="qdatastream.html">QDataStream</a></span> in(<span class="operator">&</span>file);
in <span class="operator">></span><span class="operator">></span> pairs;
<span class="keyword">if</span> (pairs<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">"No contacts in file"</span>)<span class="operator">,</span>
tr(<span class="string">"The file you are attempting to open contains no contacts."</span>));
} <span class="keyword">else</span> {
<span class="keyword">for</span> (<span class="type">int</span> i<span class="operator">=</span><span class="number">0</span>; i<span class="operator"><</span>pairs<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type"><a href="qpair.html">QPair</a></span><span class="operator"><</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">></span> p <span class="operator">=</span> pairs<span class="operator">.</span>at(i);
addEntry(p<span class="operator">.</span>first<span class="operator">,</span> p<span class="operator">.</span>second);
}
}
}
<span class="type">void</span> AddressWidget<span class="operator">::</span>writeToFile(<span class="type"><a href="qstring.html">QString</a></span> fileName)
{
<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">"Unable to open file"</span>)<span class="operator">,</span> file<span class="operator">.</span>errorString());
<span class="keyword">return</span>;
}
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span> <span class="type"><a href="qpair.html">QPair</a></span><span class="operator"><</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">></span> <span class="operator">></span> pairs <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>getList();
<span class="type"><a href="qdatastream.html">QDataStream</a></span> out(<span class="operator">&</span>file);
out <span class="operator"><</span><span class="operator"><</span> pairs;
}</pre>
</div>
<!-- @@@itemviews/addressbook/addresswidget.cpp -->
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