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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the demonstration applications of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41
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42 module edittreeview;
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43
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44
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45 import QtGui.QTreeView;
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46 import QtGui.QKeyEvent;
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47
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48 class EditTreeView : public QTreeView
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49 {
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50 Q_OBJECT
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51
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52 public:
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53 this(QWidget *parent = null)
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54 {
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55 super(parent);
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56 }
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57 void keyPressEvent(QKeyEvent *event)
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58 {
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59 if ((event.key() == Qt::Key_Delete
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60 || event.key() == Qt::Key_Backspace)
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61 && model()) {
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62 removeOne();
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63 } else {
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64 QAbstractItemView::keyPressEvent(event);
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65 }
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66 }
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67
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68 public slots:
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69 void removeOne()
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70 {
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71 if (!model())
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72 return;
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73 QModelIndex ci = currentIndex();
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74 int row = ci.row();
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75 model().removeRow(row, ci.parent());
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76 }
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77
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78 void removeAll()
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79 {
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80 if (!model())
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81 return;
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82 model().removeRows(0, model().rowCount(rootIndex()), rootIndex());
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83 }
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84 }
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