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/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Nokia Corporation 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."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include <QtXml>
#include "domitem.h"
#include "dommodel.h"
//! [0]
DomModel::DomModel(QDomDocument document, QObject *parent)
: QAbstractItemModel(parent), domDocument(document)
{
rootItem = new DomItem(domDocument, 0);
}
//! [0]
//! [1]
DomModel::~DomModel()
{
delete rootItem;
}
//! [1]
//! [2]
int DomModel::columnCount(const QModelIndex &/*parent*/) const
{
return 3;
}
//! [2]
//! [3]
QVariant DomModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
DomItem *item = static_cast<DomItem*>(index.internalPointer());
QDomNode node = item->node();
//! [3] //! [4]
QStringList attributes;
QDomNamedNodeMap attributeMap = node.attributes();
switch (index.column()) {
case 0:
return node.nodeName();
case 1:
for (int i = 0; i < attributeMap.count(); ++i) {
QDomNode attribute = attributeMap.item(i);
attributes << attribute.nodeName() + "=\""
+attribute.nodeValue() + "\"";
}
return attributes.join(" ");
case 2:
return node.nodeValue().split("\n").join(" ");
default:
return QVariant();
}
}
//! [4]
//! [5]
Qt::ItemFlags DomModel::flags(const QModelIndex &index) const
{
if (!index.isValid())
return 0;
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
//! [5]
//! [6]
QVariant DomModel::headerData(int section, Qt::Orientation orientation,
int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case 0:
return tr("Name");
case 1:
return tr("Attributes");
case 2:
return tr("Value");
default:
return QVariant();
}
}
return QVariant();
}
//! [6]
//! [7]
QModelIndex DomModel::index(int row, int column, const QModelIndex &parent)
const
{
if (!hasIndex(row, column, parent))
return QModelIndex();
DomItem *parentItem;
if (!parent.isValid())
parentItem = rootItem;
else
parentItem = static_cast<DomItem*>(parent.internalPointer());
//! [7]
//! [8]
DomItem *childItem = parentItem->child(row);
if (childItem)
return createIndex(row, column, childItem);
else
return QModelIndex();
}
//! [8]
//! [9]
QModelIndex DomModel::parent(const QModelIndex &child) const
{
if (!child.isValid())
return QModelIndex();
DomItem *childItem = static_cast<DomItem*>(child.internalPointer());
DomItem *parentItem = childItem->parent();
if (!parentItem || parentItem == rootItem)
return QModelIndex();
return createIndex(parentItem->row(), 0, parentItem);
}
//! [9]
//! [10]
int DomModel::rowCount(const QModelIndex &parent) const
{
if (parent.column() > 0)
return 0;
DomItem *parentItem;
if (!parent.isValid())
parentItem = rootItem;
else
parentItem = static_cast<DomItem*>(parent.internalPointer());
return parentItem->node().childNodes().count();
}
//! [10]
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