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KCal Library

listbase.h

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00001 /*
00002   This file is part of the kcal library.
00003 
00004   Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
00005 
00006   This library is free software; you can redistribute it and/or
00007   modify it under the terms of the GNU Library General Public
00008   License as published by the Free Software Foundation; either
00009   version 2 of the License, or (at your option) any later version.
00010 
00011   This library is distributed in the hope that it will be useful,
00012   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014   Library General Public License for more details.
00015 
00016   You should have received a copy of the GNU Library General Public License
00017   along with this library; see the file COPYING.LIB.  If not, write to
00018   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019   Boston, MA 02110-1301, USA.
00020 */
00029 #ifndef KCAL_LISTBASE_H
00030 #define KCAL_LISTBASE_H
00031 
00032 #include "kcal_export.h"
00033 #include <QtCore/QList>
00034 
00035 namespace KCal {
00036 
00043 template<class T>
00044 class ListBase : public QList<T *>
00045 {
00046   public:
00050     ListBase()
00051       : QList<T *>(), mAutoDelete( false )
00052     {
00053     }
00054 
00059     ListBase( const ListBase &other )
00060       : QList<T *>( other ), mAutoDelete( false )
00061     {
00062     }
00063 
00067     ~ListBase()
00068     {
00069       if ( mAutoDelete ) {
00070         typename QList<T *>::Iterator it;
00071         for ( it = QList<T*>::begin(); it != QList<T*>::end(); ++it ) {
00072           delete *it;
00073         }
00074       }
00075     }
00076 
00081     ListBase &operator=( const ListBase &l )
00082     {
00083       if ( this == &l ) {
00084         return *this;
00085       }
00086       QList<T *>::operator=( l );
00087       return *this;
00088     }
00089 
00096     void setAutoDelete( bool autoDelete )
00097     {
00098       mAutoDelete = autoDelete;
00099     }
00100 
00107     bool removeRef( T *t )
00108     {
00109       if ( !contains( t ) ) {
00110         return false;
00111       } else {
00112         if ( mAutoDelete ) {
00113           delete t;
00114         }
00115         this->removeAll( t );
00116         return true;
00117       }
00118     }
00119 
00120   private:
00121     //@cond PRIVATE
00122     bool mAutoDelete;
00123     //@endcond
00124 };
00125 
00126 }
00127 
00128 #endif

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