-rw-r--r-- | libkcal/listbase.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libkcal/listbase.h b/libkcal/listbase.h new file mode 100644 index 0000000..085b13d --- a/dev/null +++ b/libkcal/listbase.h @@ -0,0 +1,97 @@ +/* + 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 |