diff -r 000000000000 -r 1918ee327afb demos/browser/edittreeview.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/browser/edittreeview.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** 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 demonstration applications 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 "edittreeview.h"
+
+#include <QtGui/QKeyEvent>
+
+EditTreeView::EditTreeView(QWidget *parent)
+    : QTreeView(parent)
+{
+}
+
+void EditTreeView::keyPressEvent(QKeyEvent *event)
+{
+    if ((event->key() == Qt::Key_Delete
+        || event->key() == Qt::Key_Backspace)
+        && model()) {
+        removeOne();
+    } else {
+        QAbstractItemView::keyPressEvent(event);
+    }
+}
+
+void EditTreeView::removeOne()
+{
+    if (!model())
+        return;
+    QModelIndex ci = currentIndex();
+    int row = ci.row();
+    model()->removeRow(row, ci.parent());
+}
+
+void EditTreeView::removeAll()
+{
+    if (!model())
+        return;
+    model()->removeRows(0, model()->rowCount(rootIndex()), rootIndex());
+}
+