/****************************************************************************
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** This file is part of the demonstration applications of the Qt Toolkit.
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** 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
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****************************************************************************/

#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());
}