/* This file is part of libkcal. Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef KCAL_LISTBASE_H #define KCAL_LISTBASE_H #include <qvaluelist.h> namespace KCal { class Event; class Todo; /** This class provides a template for lists of pointers. It extends QValueList<T *> by auto delete funtionality known from QPtrList. */ template<class T> class ListBase : public QValueList<T *> { public: ListBase() : QValueList<T *>(), mAutoDelete( false ) { } ListBase( const ListBase &l ) : QValueList<T *>( l ), mAutoDelete( false ) { } ~ListBase() { if ( mAutoDelete ) { QValueListIterator<T *> it; for( it = QValueList<T*>::begin(); it != QValueList<T*>::end(); ++it ) { delete *it; } } } ListBase &operator=( const ListBase &l ) { if ( this == &l ) return *this; QValueList<T *>::operator=( l ); return *this; } void setAutoDelete( bool autoDelete ) { mAutoDelete = autoDelete; } bool removeRef( T *t ) { QValueListIterator<T *> it = find( t ); if ( it == QValueList<T*>::end() ) { return false; } else { if ( mAutoDelete ) delete t; remove( it ); return true; } } void fill ( QPtrList<T> list ) { QPtrListIterator<T> it (list); T *item; while ( (item = it.current()) != 0 ) { append( item ); ++it; } } private: bool mAutoDelete; }; } #endif