--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/itemviews/simpledommodel/dommodel.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,190 @@
+/****************************************************************************
+**
+** 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 <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]