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<h1 class="title">tablemodel.cpp Example File</h1>
<span class="subtitle">itemviews/addressbook/tablemodel.cpp</span>
<!-- $$$itemviews/addressbook/tablemodel.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** 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
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**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
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<span class="preprocessor">#include "tablemodel.h"</span>
TableModel<span class="operator">::</span>TableModel(<span class="type"><a href="../qtcore/qobject.html">QObject</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="../qtcore/qabstracttablemodel.html">QAbstractTableModel</a></span>(parent)
{
}
TableModel<span class="operator">::</span>TableModel(<span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qpair.html">QPair</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">></span> <span class="operator">></span> pairs<span class="operator">,</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="../qtcore/qabstracttablemodel.html">QAbstractTableModel</a></span>(parent)
{
listOfPairs <span class="operator">=</span> pairs;
}
<span class="type">int</span> TableModel<span class="operator">::</span>rowCount(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>parent) <span class="keyword">const</span>
{
Q_UNUSED(parent);
<span class="keyword">return</span> listOfPairs<span class="operator">.</span>size();
}
<span class="type">int</span> TableModel<span class="operator">::</span>columnCount(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>parent) <span class="keyword">const</span>
{
Q_UNUSED(parent);
<span class="keyword">return</span> <span class="number">2</span>;
}
<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> TableModel<span class="operator">::</span>data(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index<span class="operator">,</span> <span class="type">int</span> role) <span class="keyword">const</span>
{
<span class="keyword">if</span> (<span class="operator">!</span>index<span class="operator">.</span>isValid())
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>();
<span class="keyword">if</span> (index<span class="operator">.</span>row() <span class="operator">></span><span class="operator">=</span> listOfPairs<span class="operator">.</span>size() <span class="operator">|</span><span class="operator">|</span> index<span class="operator">.</span>row() <span class="operator"><</span> <span class="number">0</span>)
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>();
<span class="keyword">if</span> (role <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DisplayRole) {
<span class="type"><a href="../qtcore/qpair.html">QPair</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">></span> pair <span class="operator">=</span> listOfPairs<span class="operator">.</span>at(index<span class="operator">.</span>row());
<span class="keyword">if</span> (index<span class="operator">.</span>column() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
<span class="keyword">return</span> pair<span class="operator">.</span>first;
<span class="keyword">else</span> <span class="keyword">if</span> (index<span class="operator">.</span>column() <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>)
<span class="keyword">return</span> pair<span class="operator">.</span>second;
}
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>();
}
<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> TableModel<span class="operator">::</span>headerData(<span class="type">int</span> section<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Orientation orientation<span class="operator">,</span> <span class="type">int</span> role) <span class="keyword">const</span>
{
<span class="keyword">if</span> (role <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DisplayRole)
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>();
<span class="keyword">if</span> (orientation <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Horizontal) {
<span class="keyword">switch</span> (section) {
<span class="keyword">case</span> <span class="number">0</span>:
<span class="keyword">return</span> tr(<span class="string">"Name"</span>);
<span class="keyword">case</span> <span class="number">1</span>:
<span class="keyword">return</span> tr(<span class="string">"Address"</span>);
<span class="keyword">default</span>:
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>();
}
}
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>();
}
bool TableModel<span class="operator">::</span>insertRows(<span class="type">int</span> position<span class="operator">,</span> <span class="type">int</span> rows<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index)
{
Q_UNUSED(index);
beginInsertRows(<span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span>()<span class="operator">,</span> position<span class="operator">,</span> position <span class="operator">+</span> rows <span class="operator">-</span> <span class="number">1</span>);
<span class="keyword">for</span> (<span class="type">int</span> row <span class="operator">=</span> <span class="number">0</span>; row <span class="operator"><</span> rows; <span class="operator">+</span><span class="operator">+</span>row) {
<span class="type"><a href="../qtcore/qpair.html">QPair</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">></span> pair(<span class="string">" "</span><span class="operator">,</span> <span class="string">" "</span>);
listOfPairs<span class="operator">.</span>insert(position<span class="operator">,</span> pair);
}
endInsertRows();
<span class="keyword">return</span> <span class="keyword">true</span>;
}
bool TableModel<span class="operator">::</span>removeRows(<span class="type">int</span> position<span class="operator">,</span> <span class="type">int</span> rows<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index)
{
Q_UNUSED(index);
beginRemoveRows(<span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span>()<span class="operator">,</span> position<span class="operator">,</span> position <span class="operator">+</span> rows <span class="operator">-</span> <span class="number">1</span>);
<span class="keyword">for</span> (<span class="type">int</span> row <span class="operator">=</span> <span class="number">0</span>; row <span class="operator"><</span> rows; <span class="operator">+</span><span class="operator">+</span>row) {
listOfPairs<span class="operator">.</span>removeAt(position);
}
endRemoveRows();
<span class="keyword">return</span> <span class="keyword">true</span>;
}
bool TableModel<span class="operator">::</span>setData(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> <span class="operator">&</span>value<span class="operator">,</span> <span class="type">int</span> role)
{
<span class="keyword">if</span> (index<span class="operator">.</span>isValid() <span class="operator">&</span><span class="operator">&</span> role <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>EditRole) {
<span class="type">int</span> row <span class="operator">=</span> index<span class="operator">.</span>row();
<span class="type"><a href="../qtcore/qpair.html">QPair</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">></span> p <span class="operator">=</span> listOfPairs<span class="operator">.</span>value(row);
<span class="keyword">if</span> (index<span class="operator">.</span>column() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
p<span class="operator">.</span>first <span class="operator">=</span> value<span class="operator">.</span>toString();
<span class="keyword">else</span> <span class="keyword">if</span> (index<span class="operator">.</span>column() <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>)
p<span class="operator">.</span>second <span class="operator">=</span> value<span class="operator">.</span>toString();
<span class="keyword">else</span>
<span class="keyword">return</span> <span class="keyword">false</span>;
listOfPairs<span class="operator">.</span>replace(row<span class="operator">,</span> p);
<span class="keyword">emit</span>(dataChanged(index<span class="operator">,</span> index));
<span class="keyword">return</span> <span class="keyword">true</span>;
}
<span class="keyword">return</span> <span class="keyword">false</span>;
}
<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ItemFlags TableModel<span class="operator">::</span>flags(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index) <span class="keyword">const</span>
{
<span class="keyword">if</span> (<span class="operator">!</span>index<span class="operator">.</span>isValid())
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ItemIsEnabled;
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qabstracttablemodel.html">QAbstractTableModel</a></span><span class="operator">::</span>flags(index) <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable;
}
<span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span> <span class="type"><a href="../qtcore/qpair.html">QPair</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">></span> <span class="operator">></span> TableModel<span class="operator">::</span>getList()
{
<span class="keyword">return</span> listOfPairs;
}
</pre>
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<!-- @@@itemviews/addressbook/tablemodel.cpp -->
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