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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#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());
}