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1 /**************************************************************************** |
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2 ** |
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3 ** |
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4 ** Definition of base class for all collection classes |
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5 ** |
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6 ** Created : 920629 |
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7 ** |
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8 ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. |
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9 ** |
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10 ** This file is part of the tools module of the Qt GUI Toolkit. |
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11 ** |
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12 ** This file may be distributed under the terms of the Q Public License |
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13 ** as defined by Trolltech AS of Norway and appearing in the file |
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14 ** LICENSE.QPL included in the packaging of this file. |
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15 ** |
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16 ** This file may be distributed and/or modified under the terms of the |
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17 ** GNU General Public License version 2 as published by the Free Software |
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18 ** Foundation and appearing in the file LICENSE.GPL included in the |
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19 ** packaging of this file. |
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20 ** |
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21 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition |
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22 ** licenses may use this file in accordance with the Qt Commercial License |
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23 ** Agreement provided with the Software. |
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24 ** |
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25 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE |
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26 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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27 ** |
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28 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for |
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29 ** information about Qt Commercial License Agreements. |
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30 ** See http://www.trolltech.com/qpl/ for QPL licensing information. |
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31 ** See http://www.trolltech.com/gpl/ for GPL licensing information. |
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32 ** |
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33 ** Contact info@trolltech.com if any conditions of this licensing are |
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34 ** not clear to you. |
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35 ** |
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36 **********************************************************************/ |
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37 |
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38 #ifndef QCOLLECTION_H |
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39 #define QCOLLECTION_H |
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40 |
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41 #ifndef QT_H |
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42 #include "qglobal.h" |
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43 #endif // QT_H |
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44 |
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45 |
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46 class QGVector; |
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47 class QGList; |
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48 class QGDict; |
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49 |
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50 |
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51 class Q_EXPORT QCollection // inherited by all collections |
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52 { |
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53 public: |
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54 bool autoDelete() const { return del_item; } |
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55 void setAutoDelete( bool enable ) { del_item = enable; } |
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56 |
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57 virtual uint count() const = 0; |
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58 virtual void clear() = 0; // delete all objects |
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59 |
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60 typedef void *Item; // generic collection item |
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61 |
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62 protected: |
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63 QCollection() { del_item = FALSE; } // no deletion of objects |
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64 QCollection(const QCollection &) { del_item = FALSE; } |
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65 virtual ~QCollection() {} |
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66 |
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67 bool del_item; // default FALSE |
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68 |
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69 virtual Item newItem( Item ); // create object |
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70 virtual void deleteItem( Item ); // delete object |
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71 }; |
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72 |
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73 |
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74 #endif // QCOLLECTION_H |