1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the demonstration applications of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL21$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** $QT_END_LICENSE$ 31 ** 32 ****************************************************************************/ 33 34 #include "edittreeview.h" 35 36 #include <QtGui/QKeyEvent> 37 EditTreeView(QWidget * parent)38EditTreeView::EditTreeView(QWidget *parent) 39 : QTreeView(parent) 40 { 41 } 42 keyPressEvent(QKeyEvent * event)43void EditTreeView::keyPressEvent(QKeyEvent *event) 44 { 45 if ((event->key() == Qt::Key_Delete 46 || event->key() == Qt::Key_Backspace) 47 && model()) { 48 removeOne(); 49 } else { 50 QAbstractItemView::keyPressEvent(event); 51 } 52 } 53 removeOne()54void EditTreeView::removeOne() 55 { 56 if (!model()) 57 return; 58 QModelIndex ci = currentIndex(); 59 int row = ci.row(); 60 model()->removeRow(row, ci.parent()); 61 } 62 removeAll()63void EditTreeView::removeAll() 64 { 65 if (!model()) 66 return; 67 model()->removeRows(0, model()->rowCount(rootIndex()), rootIndex()); 68 } 69 70