libkcal

listbase.h

Go to the documentation of this file.
00001 /*
00002     This file is part of libkcal.
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 */
00021 #ifndef KCAL_LISTBASE_H
00022 #define KCAL_LISTBASE_H
00023 
00024 #include <qvaluelist.h>
00025 
00026 namespace KCal {
00027 
00032 template<class T>
00033 class ListBase : public QValueList<T *>
00034 {
00035   public:
00036     ListBase()
00037       : QValueList<T *>(), mAutoDelete( false )
00038     {
00039     }
00040 
00041     ListBase( const ListBase &l )
00042       : QValueList<T *>( l ), mAutoDelete( false )
00043     {
00044     }
00045 
00046     ~ListBase()
00047     {
00048       if ( mAutoDelete ) {
00049         QValueListIterator<T *> it;
00050         for( it = QValueList<T*>::begin(); it != QValueList<T*>::end(); ++it ) {
00051           delete *it;
00052         }
00053       }
00054     }
00055 
00056     ListBase &operator=( const ListBase &l )
00057     {
00058       if ( this == &l ) return *this;
00059       QValueList<T *>::operator=( l );
00060       return *this;
00061     }
00062 
00063     void setAutoDelete( bool autoDelete )
00064     {
00065       mAutoDelete = autoDelete;
00066     }
00067 
00068     bool removeRef( T *t )
00069     {
00070       QValueListIterator<T *> it = find( t );
00071       if ( it == QValueList<T*>::end() ) {
00072         return false;
00073       } else {
00074         if ( mAutoDelete ) delete t;
00075         this->remove( it );
00076         return true;
00077       }
00078     }
00079 
00080     void clearAll()
00081     {
00082       if ( mAutoDelete ) {
00083         for ( QValueListIterator<T*> it = QValueList<T*>::begin();
00084               it != QValueList<T*>::end(); ++it ) {
00085           delete *it;
00086         }
00087       }
00088       QValueList<T*>::clear();
00089     }
00090 
00091   private:
00092     bool mAutoDelete;
00093 };
00094 
00095 }
00096 
00097 #endif